#include <apt-pkg/md5.h>
#include <apt-pkg/sha1.h>
-#include <apt-pkg/sha256.h>
-#include <apt-pkg/sha512.h>
+#include <apt-pkg/sha2.h>
#include <algorithm>
#include <vector>
/*
- * FILE: sha2.c
- * AUTHOR: Aaron D. Gifford - http://www.aarongifford.com/
- *
- * Copyright (c) 2000-2001, Aaron D. Gifford
- * All rights reserved.
+ * Cryptographic API. {{{
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the copyright holder nor the names of contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
+ * SHA-512, as specified in
+ * http://csrc.nist.gov/cryptval/shs/sha256-384-512.pdf
*
- * $Id: sha2.c,v 1.1 2001/11/08 00:01:51 adg Exp adg $
- */
-
-#include <string.h> /* memcpy()/memset() or bcopy()/bzero() */
-#include <assert.h> /* assert() */
-#include "sha2.h"
-
-/*
- * ASSERT NOTE:
- * Some sanity checking code is included using assert(). On my FreeBSD
- * system, this additional code can be removed by compiling with NDEBUG
- * defined. Check your own systems manpage on assert() to see how to
- * compile WITHOUT the sanity checking code on your system.
- *
- * UNROLLED TRANSFORM LOOP NOTE:
- * You can define SHA2_UNROLL_TRANSFORM to use the unrolled transform
- * loop version for the hash transform rounds (defined using macros
- * later in this file). Either define on the command line, for example:
- *
- * cc -DSHA2_UNROLL_TRANSFORM -o sha2 sha2.c sha2prog.c
- *
- * or define below:
- *
- * #define SHA2_UNROLL_TRANSFORM
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
*
- */
+ */ /*}}}*/
-
-/*** SHA-256/384/512 Machine Architecture Definitions *****************/
-/*
- * BYTE_ORDER NOTE:
- *
- * Please make sure that your system defines BYTE_ORDER. If your
- * architecture is little-endian, make sure it also defines
- * LITTLE_ENDIAN and that the two (BYTE_ORDER and LITTLE_ENDIAN) are
- * equivilent.
- *
- * If your system does not define the above, then you can do so by
- * hand like this:
- *
- * #define LITTLE_ENDIAN 1234
- * #define BIG_ENDIAN 4321
- *
- * And for little-endian machines, add:
- *
- * #define BYTE_ORDER LITTLE_ENDIAN
- *
- * Or for big-endian machines:
- *
- * #define BYTE_ORDER BIG_ENDIAN
- *
- * The FreeBSD machine this was written on defines BYTE_ORDER
- * appropriately by including <sys/types.h> (which in turn includes
- * <machine/endian.h> where the appropriate definitions are actually
- * made).
- */
-#if !defined(BYTE_ORDER) || (BYTE_ORDER != LITTLE_ENDIAN && BYTE_ORDER != BIG_ENDIAN)
-#error Define BYTE_ORDER to be equal to either LITTLE_ENDIAN or BIG_ENDIAN
+#ifdef __GNUG__
+#pragma implementation "apt-pkg/2.h"
#endif
-/*
- * Define the followingsha2_* types to types of the correct length on
- * the native archtecture. Most BSD systems and Linux define u_intXX_t
- * types. Machines with very recent ANSI C headers, can use the
- * uintXX_t definintions from inttypes.h by defining SHA2_USE_INTTYPES_H
- * during compile or in the sha.h header file.
- *
- * Machines that support neither u_intXX_t nor inttypes.h's uintXX_t
- * will need to define these three typedefs below (and the appropriate
- * ones in sha.h too) by hand according to their system architecture.
- *
- * Thank you, Jun-ichiro itojun Hagino, for suggesting using u_intXX_t
- * types and pointing out recent ANSI C support for uintXX_t in inttypes.h.
- */
-#ifdef SHA2_USE_INTTYPES_H
-
-typedef uint8_t sha2_byte; /* Exactly 1 byte */
-typedef uint32_t sha2_word32; /* Exactly 4 bytes */
-typedef uint64_t sha2_word64; /* Exactly 8 bytes */
-
-#else /* SHA2_USE_INTTYPES_H */
-
-typedef u_int8_t sha2_byte; /* Exactly 1 byte */
-typedef u_int32_t sha2_word32; /* Exactly 4 bytes */
-typedef u_int64_t sha2_word64; /* Exactly 8 bytes */
-
-#endif /* SHA2_USE_INTTYPES_H */
-
-
-/*** SHA-256/384/512 Various Length Definitions ***********************/
-/* NOTE: Most of these are in sha2.h */
-#define SHA256_SHORT_BLOCK_LENGTH (SHA256_BLOCK_LENGTH - 8)
-#define SHA384_SHORT_BLOCK_LENGTH (SHA384_BLOCK_LENGTH - 16)
-#define SHA512_SHORT_BLOCK_LENGTH (SHA512_BLOCK_LENGTH - 16)
-
-
-/*** ENDIAN REVERSAL MACROS *******************************************/
-#if BYTE_ORDER == LITTLE_ENDIAN
-#define REVERSE32(w,x) { \
- sha2_word32 tmp = (w); \
- tmp = (tmp >> 16) | (tmp << 16); \
- (x) = ((tmp & 0xff00ff00UL) >> 8) | ((tmp & 0x00ff00ffUL) << 8); \
-}
-#define REVERSE64(w,x) { \
- sha2_word64 tmp = (w); \
- tmp = (tmp >> 32) | (tmp << 32); \
- tmp = ((tmp & 0xff00ff00ff00ff00ULL) >> 8) | \
- ((tmp & 0x00ff00ff00ff00ffULL) << 8); \
- (x) = ((tmp & 0xffff0000ffff0000ULL) >> 16) | \
- ((tmp & 0x0000ffff0000ffffULL) << 16); \
-}
-#endif /* BYTE_ORDER == LITTLE_ENDIAN */
-
-/*
- * Macro for incrementally adding the unsigned 64-bit integer n to the
- * unsigned 128-bit integer (represented using a two-element array of
- * 64-bit words):
- */
-#define ADDINC128(w,n) { \
- (w)[0] += (sha2_word64)(n); \
- if ((w)[0] < (n)) { \
- (w)[1]++; \
- } \
-}
-
-/*
- * Macros for copying blocks of memory and for zeroing out ranges
- * of memory. Using these macros makes it easy to switch from
- * using memset()/memcpy() and using bzero()/bcopy().
- *
- * Please define either SHA2_USE_MEMSET_MEMCPY or define
- * SHA2_USE_BZERO_BCOPY depending on which function set you
- * choose to use:
- */
-#if !defined(SHA2_USE_MEMSET_MEMCPY) && !defined(SHA2_USE_BZERO_BCOPY)
-/* Default to memset()/memcpy() if no option is specified */
-#define SHA2_USE_MEMSET_MEMCPY 1
-#endif
-#if defined(SHA2_USE_MEMSET_MEMCPY) && defined(SHA2_USE_BZERO_BCOPY)
-/* Abort with an error if BOTH options are defined */
-#error Define either SHA2_USE_MEMSET_MEMCPY or SHA2_USE_BZERO_BCOPY, not both!
-#endif
-
-#ifdef SHA2_USE_MEMSET_MEMCPY
-#define MEMSET_BZERO(p,l) memset((p), 0, (l))
-#define MEMCPY_BCOPY(d,s,l) memcpy((d), (s), (l))
-#endif
-#ifdef SHA2_USE_BZERO_BCOPY
-#define MEMSET_BZERO(p,l) bzero((p), (l))
-#define MEMCPY_BCOPY(d,s,l) bcopy((s), (d), (l))
-#endif
-
-
-/*** THE SIX LOGICAL FUNCTIONS ****************************************/
-/*
- * Bit shifting and rotation (used by the six SHA-XYZ logical functions:
- *
- * NOTE: The naming of R and S appears backwards here (R is a SHIFT and
- * S is a ROTATION) because the SHA-256/384/512 description document
- * (see http://csrc.nist.gov/cryptval/shs/sha256-384-512.pdf) uses this
- * same "backwards" definition.
- */
-/* Shift-right (used in SHA-256, SHA-384, and SHA-512): */
-#define R(b,x) ((x) >> (b))
-/* 32-bit Rotate-right (used in SHA-256): */
-#define S32(b,x) (((x) >> (b)) | ((x) << (32 - (b))))
-/* 64-bit Rotate-right (used in SHA-384 and SHA-512): */
-#define S64(b,x) (((x) >> (b)) | ((x) << (64 - (b))))
-
-/* Two of six logical functions used in SHA-256, SHA-384, and SHA-512: */
-#define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z)))
-#define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
-
-/* Four of six logical functions used in SHA-256: */
-#define Sigma0_256(x) (S32(2, (x)) ^ S32(13, (x)) ^ S32(22, (x)))
-#define Sigma1_256(x) (S32(6, (x)) ^ S32(11, (x)) ^ S32(25, (x)))
-#define sigma0_256(x) (S32(7, (x)) ^ S32(18, (x)) ^ R(3 , (x)))
-#define sigma1_256(x) (S32(17, (x)) ^ S32(19, (x)) ^ R(10, (x)))
-
-/* Four of six logical functions used in SHA-384 and SHA-512: */
-#define Sigma0_512(x) (S64(28, (x)) ^ S64(34, (x)) ^ S64(39, (x)))
-#define Sigma1_512(x) (S64(14, (x)) ^ S64(18, (x)) ^ S64(41, (x)))
-#define sigma0_512(x) (S64( 1, (x)) ^ S64( 8, (x)) ^ R( 7, (x)))
-#define sigma1_512(x) (S64(19, (x)) ^ S64(61, (x)) ^ R( 6, (x)))
-
-/*** INTERNAL FUNCTION PROTOTYPES *************************************/
-/* NOTE: These should not be accessed directly from outside this
- * library -- they are intended for private internal visibility/use
- * only.
- */
-void SHA512_Last(SHA512_CTX*);
-void SHA256_Transform(SHA256_CTX*, const sha2_word32*);
-void SHA512_Transform(SHA512_CTX*, const sha2_word64*);
-
-
-/*** SHA-XYZ INITIAL HASH VALUES AND CONSTANTS ************************/
-/* Hash constant words K for SHA-256: */
-const static sha2_word32 K256[64] = {
- 0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL,
- 0x3956c25bUL, 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL,
- 0xd807aa98UL, 0x12835b01UL, 0x243185beUL, 0x550c7dc3UL,
- 0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL, 0xc19bf174UL,
- 0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL,
- 0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL,
- 0x983e5152UL, 0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL,
- 0xc6e00bf3UL, 0xd5a79147UL, 0x06ca6351UL, 0x14292967UL,
- 0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL, 0x53380d13UL,
- 0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL,
- 0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL,
- 0xd192e819UL, 0xd6990624UL, 0xf40e3585UL, 0x106aa070UL,
- 0x19a4c116UL, 0x1e376c08UL, 0x2748774cUL, 0x34b0bcb5UL,
- 0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL, 0x682e6ff3UL,
- 0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL,
- 0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL
-};
-
-/* Initial hash value H for SHA-256: */
-const static sha2_word32 sha256_initial_hash_value[8] = {
- 0x6a09e667UL,
- 0xbb67ae85UL,
- 0x3c6ef372UL,
- 0xa54ff53aUL,
- 0x510e527fUL,
- 0x9b05688cUL,
- 0x1f83d9abUL,
- 0x5be0cd19UL
-};
-
-/* Hash constant words K for SHA-384 and SHA-512: */
-const static sha2_word64 K512[80] = {
- 0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL,
- 0xb5c0fbcfec4d3b2fULL, 0xe9b5dba58189dbbcULL,
- 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL,
- 0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL,
- 0xd807aa98a3030242ULL, 0x12835b0145706fbeULL,
- 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL,
- 0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL,
- 0x9bdc06a725c71235ULL, 0xc19bf174cf692694ULL,
- 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL,
- 0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL,
- 0x2de92c6f592b0275ULL, 0x4a7484aa6ea6e483ULL,
- 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL,
- 0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL,
- 0xb00327c898fb213fULL, 0xbf597fc7beef0ee4ULL,
- 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL,
- 0x06ca6351e003826fULL, 0x142929670a0e6e70ULL,
- 0x27b70a8546d22ffcULL, 0x2e1b21385c26c926ULL,
- 0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL,
- 0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL,
- 0x81c2c92e47edaee6ULL, 0x92722c851482353bULL,
- 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL,
- 0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL,
- 0xd192e819d6ef5218ULL, 0xd69906245565a910ULL,
- 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL,
- 0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL,
- 0x2748774cdf8eeb99ULL, 0x34b0bcb5e19b48a8ULL,
- 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL,
- 0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL,
- 0x748f82ee5defb2fcULL, 0x78a5636f43172f60ULL,
- 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL,
- 0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL,
- 0xbef9a3f7b2c67915ULL, 0xc67178f2e372532bULL,
- 0xca273eceea26619cULL, 0xd186b8c721c0c207ULL,
- 0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL,
- 0x06f067aa72176fbaULL, 0x0a637dc5a2c898a6ULL,
- 0x113f9804bef90daeULL, 0x1b710b35131c471bULL,
- 0x28db77f523047d84ULL, 0x32caab7b40c72493ULL,
- 0x3c9ebe0a15c9bebcULL, 0x431d67c49c100d4cULL,
- 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL,
- 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL
-};
-
-/* Initial hash value H for SHA-384 */
-const static sha2_word64 sha384_initial_hash_value[8] = {
- 0xcbbb9d5dc1059ed8ULL,
- 0x629a292a367cd507ULL,
- 0x9159015a3070dd17ULL,
- 0x152fecd8f70e5939ULL,
- 0x67332667ffc00b31ULL,
- 0x8eb44a8768581511ULL,
- 0xdb0c2e0d64f98fa7ULL,
- 0x47b5481dbefa4fa4ULL
-};
-
-/* Initial hash value H for SHA-512 */
-const static sha2_word64 sha512_initial_hash_value[8] = {
- 0x6a09e667f3bcc908ULL,
- 0xbb67ae8584caa73bULL,
- 0x3c6ef372fe94f82bULL,
- 0xa54ff53a5f1d36f1ULL,
- 0x510e527fade682d1ULL,
- 0x9b05688c2b3e6c1fULL,
- 0x1f83d9abfb41bd6bULL,
- 0x5be0cd19137e2179ULL
-};
-
-/*
- * Constant used by SHA256/384/512_End() functions for converting the
- * digest to a readable hexadecimal character string:
- */
-static const char *sha2_hex_digits = "0123456789abcdef";
-
-
-/*** SHA-256: *********************************************************/
-void SHA256_Init(SHA256_CTX* context) {
- if (context == (SHA256_CTX*)0) {
- return;
- }
- MEMCPY_BCOPY(context->state, sha256_initial_hash_value, SHA256_DIGEST_LENGTH);
- MEMSET_BZERO(context->buffer, SHA256_BLOCK_LENGTH);
- context->bitcount = 0;
-}
-
-#ifdef SHA2_UNROLL_TRANSFORM
-
-/* Unrolled SHA-256 round macros: */
-
-#if BYTE_ORDER == LITTLE_ENDIAN
-
-#define ROUND256_0_TO_15(a,b,c,d,e,f,g,h) \
- REVERSE32(*data++, W256[j]); \
- T1 = (h) + Sigma1_256(e) + Ch((e), (f), (g)) + \
- K256[j] + W256[j]; \
- (d) += T1; \
- (h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \
- j++
-
-
-#else /* BYTE_ORDER == LITTLE_ENDIAN */
-
-#define ROUND256_0_TO_15(a,b,c,d,e,f,g,h) \
- T1 = (h) + Sigma1_256(e) + Ch((e), (f), (g)) + \
- K256[j] + (W256[j] = *data++); \
- (d) += T1; \
- (h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \
- j++
-
-#endif /* BYTE_ORDER == LITTLE_ENDIAN */
-
-#define ROUND256(a,b,c,d,e,f,g,h) \
- s0 = W256[(j+1)&0x0f]; \
- s0 = sigma0_256(s0); \
- s1 = W256[(j+14)&0x0f]; \
- s1 = sigma1_256(s1); \
- T1 = (h) + Sigma1_256(e) + Ch((e), (f), (g)) + K256[j] + \
- (W256[j&0x0f] += s1 + W256[(j+9)&0x0f] + s0); \
- (d) += T1; \
- (h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \
- j++
-
-void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
- sha2_word32 a, b, c, d, e, f, g, h, s0, s1;
- sha2_word32 T1, *W256;
- int j;
-
- W256 = (sha2_word32*)context->buffer;
-
- /* Initialize registers with the prev. intermediate value */
- a = context->state[0];
- b = context->state[1];
- c = context->state[2];
- d = context->state[3];
- e = context->state[4];
- f = context->state[5];
- g = context->state[6];
- h = context->state[7];
-
- j = 0;
- do {
- /* Rounds 0 to 15 (unrolled): */
- ROUND256_0_TO_15(a,b,c,d,e,f,g,h);
- ROUND256_0_TO_15(h,a,b,c,d,e,f,g);
- ROUND256_0_TO_15(g,h,a,b,c,d,e,f);
- ROUND256_0_TO_15(f,g,h,a,b,c,d,e);
- ROUND256_0_TO_15(e,f,g,h,a,b,c,d);
- ROUND256_0_TO_15(d,e,f,g,h,a,b,c);
- ROUND256_0_TO_15(c,d,e,f,g,h,a,b);
- ROUND256_0_TO_15(b,c,d,e,f,g,h,a);
- } while (j < 16);
-
- /* Now for the remaining rounds to 64: */
- do {
- ROUND256(a,b,c,d,e,f,g,h);
- ROUND256(h,a,b,c,d,e,f,g);
- ROUND256(g,h,a,b,c,d,e,f);
- ROUND256(f,g,h,a,b,c,d,e);
- ROUND256(e,f,g,h,a,b,c,d);
- ROUND256(d,e,f,g,h,a,b,c);
- ROUND256(c,d,e,f,g,h,a,b);
- ROUND256(b,c,d,e,f,g,h,a);
- } while (j < 64);
-
- /* Compute the current intermediate hash value */
- context->state[0] += a;
- context->state[1] += b;
- context->state[2] += c;
- context->state[3] += d;
- context->state[4] += e;
- context->state[5] += f;
- context->state[6] += g;
- context->state[7] += h;
-
- /* Clean up */
- a = b = c = d = e = f = g = h = T1 = 0;
-}
-
-#else /* SHA2_UNROLL_TRANSFORM */
-
-void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
- sha2_word32 a, b, c, d, e, f, g, h, s0, s1;
- sha2_word32 T1, T2, *W256;
- int j;
-
- W256 = (sha2_word32*)context->buffer;
-
- /* Initialize registers with the prev. intermediate value */
- a = context->state[0];
- b = context->state[1];
- c = context->state[2];
- d = context->state[3];
- e = context->state[4];
- f = context->state[5];
- g = context->state[6];
- h = context->state[7];
-
- j = 0;
- do {
-#if BYTE_ORDER == LITTLE_ENDIAN
- /* Copy data while converting to host byte order */
- REVERSE32(*data++,W256[j]);
- /* Apply the SHA-256 compression function to update a..h */
- T1 = h + Sigma1_256(e) + Ch(e, f, g) + K256[j] + W256[j];
-#else /* BYTE_ORDER == LITTLE_ENDIAN */
- /* Apply the SHA-256 compression function to update a..h with copy */
- T1 = h + Sigma1_256(e) + Ch(e, f, g) + K256[j] + (W256[j] = *data++);
-#endif /* BYTE_ORDER == LITTLE_ENDIAN */
- T2 = Sigma0_256(a) + Maj(a, b, c);
- h = g;
- g = f;
- f = e;
- e = d + T1;
- d = c;
- c = b;
- b = a;
- a = T1 + T2;
-
- j++;
- } while (j < 16);
-
- do {
- /* Part of the message block expansion: */
- s0 = W256[(j+1)&0x0f];
- s0 = sigma0_256(s0);
- s1 = W256[(j+14)&0x0f];
- s1 = sigma1_256(s1);
-
- /* Apply the SHA-256 compression function to update a..h */
- T1 = h + Sigma1_256(e) + Ch(e, f, g) + K256[j] +
- (W256[j&0x0f] += s1 + W256[(j+9)&0x0f] + s0);
- T2 = Sigma0_256(a) + Maj(a, b, c);
- h = g;
- g = f;
- f = e;
- e = d + T1;
- d = c;
- c = b;
- b = a;
- a = T1 + T2;
-
- j++;
- } while (j < 64);
-
- /* Compute the current intermediate hash value */
- context->state[0] += a;
- context->state[1] += b;
- context->state[2] += c;
- context->state[3] += d;
- context->state[4] += e;
- context->state[5] += f;
- context->state[6] += g;
- context->state[7] += h;
-
- /* Clean up */
- a = b = c = d = e = f = g = h = T1 = T2 = 0;
-}
-
-#endif /* SHA2_UNROLL_TRANSFORM */
-
-void SHA256_Update(SHA256_CTX* context, const sha2_byte *data, size_t len) {
- unsigned int freespace, usedspace;
-
- if (len == 0) {
- /* Calling with no data is valid - we do nothing */
- return;
- }
-
- /* Sanity check: */
- assert(context != (SHA256_CTX*)0 && data != (sha2_byte*)0);
-
- usedspace = (context->bitcount >> 3) % SHA256_BLOCK_LENGTH;
- if (usedspace > 0) {
- /* Calculate how much free space is available in the buffer */
- freespace = SHA256_BLOCK_LENGTH - usedspace;
-
- if (len >= freespace) {
- /* Fill the buffer completely and process it */
- MEMCPY_BCOPY(&context->buffer[usedspace], data, freespace);
- context->bitcount += freespace << 3;
- len -= freespace;
- data += freespace;
- SHA256_Transform(context, (sha2_word32*)context->buffer);
- } else {
- /* The buffer is not yet full */
- MEMCPY_BCOPY(&context->buffer[usedspace], data, len);
- context->bitcount += len << 3;
- /* Clean up: */
- usedspace = freespace = 0;
- return;
- }
- }
- while (len >= SHA256_BLOCK_LENGTH) {
- /* Process as many complete blocks as we can */
- SHA256_Transform(context, (sha2_word32*)data);
- context->bitcount += SHA256_BLOCK_LENGTH << 3;
- len -= SHA256_BLOCK_LENGTH;
- data += SHA256_BLOCK_LENGTH;
- }
- if (len > 0) {
- /* There's left-overs, so save 'em */
- MEMCPY_BCOPY(context->buffer, data, len);
- context->bitcount += len << 3;
- }
- /* Clean up: */
- usedspace = freespace = 0;
-}
-
-void SHA256_Final(sha2_byte digest[], SHA256_CTX* context) {
- sha2_word32 *d = (sha2_word32*)digest;
- unsigned int usedspace;
-
- /* Sanity check: */
- assert(context != (SHA256_CTX*)0);
-
- /* If no digest buffer is passed, we don't bother doing this: */
- if (digest != (sha2_byte*)0) {
- usedspace = (context->bitcount >> 3) % SHA256_BLOCK_LENGTH;
-#if BYTE_ORDER == LITTLE_ENDIAN
- /* Convert FROM host byte order */
- REVERSE64(context->bitcount,context->bitcount);
-#endif
- if (usedspace > 0) {
- /* Begin padding with a 1 bit: */
- context->buffer[usedspace++] = 0x80;
-
- if (usedspace <= SHA256_SHORT_BLOCK_LENGTH) {
- /* Set-up for the last transform: */
- MEMSET_BZERO(&context->buffer[usedspace], SHA256_SHORT_BLOCK_LENGTH - usedspace);
- } else {
- if (usedspace < SHA256_BLOCK_LENGTH) {
- MEMSET_BZERO(&context->buffer[usedspace], SHA256_BLOCK_LENGTH - usedspace);
- }
- /* Do second-to-last transform: */
- SHA256_Transform(context, (sha2_word32*)context->buffer);
-
- /* And set-up for the last transform: */
- MEMSET_BZERO(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
- }
- } else {
- /* Set-up for the last transform: */
- MEMSET_BZERO(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
-
- /* Begin padding with a 1 bit: */
- *context->buffer = 0x80;
- }
- /* Set the bit count: */
- *(sha2_word64*)&context->buffer[SHA256_SHORT_BLOCK_LENGTH] = context->bitcount;
-
- /* Final transform: */
- SHA256_Transform(context, (sha2_word32*)context->buffer);
-
-#if BYTE_ORDER == LITTLE_ENDIAN
- {
- /* Convert TO host byte order */
- int j;
- for (j = 0; j < 8; j++) {
- REVERSE32(context->state[j],context->state[j]);
- *d++ = context->state[j];
- }
- }
-#else
- MEMCPY_BCOPY(d, context->state, SHA256_DIGEST_LENGTH);
-#endif
- }
-
- /* Clean up state data: */
- MEMSET_BZERO(context, sizeof(context));
- usedspace = 0;
-}
-
-char *SHA256_End(SHA256_CTX* context, char buffer[]) {
- sha2_byte digest[SHA256_DIGEST_LENGTH], *d = digest;
- int i;
-
- /* Sanity check: */
- assert(context != (SHA256_CTX*)0);
-
- if (buffer != (char*)0) {
- SHA256_Final(digest, context);
-
- for (i = 0; i < SHA256_DIGEST_LENGTH; i++) {
- *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
- *buffer++ = sha2_hex_digits[*d & 0x0f];
- d++;
- }
- *buffer = (char)0;
- } else {
- MEMSET_BZERO(context, sizeof(context));
- }
- MEMSET_BZERO(digest, SHA256_DIGEST_LENGTH);
- return buffer;
-}
-
-char* SHA256_Data(const sha2_byte* data, size_t len, char digest[SHA256_DIGEST_STRING_LENGTH]) {
- SHA256_CTX context;
-
- SHA256_Init(&context);
- SHA256_Update(&context, data, len);
- return SHA256_End(&context, digest);
-}
-
-
-/*** SHA-512: *********************************************************/
-void SHA512_Init(SHA512_CTX* context) {
- if (context == (SHA512_CTX*)0) {
- return;
- }
- MEMCPY_BCOPY(context->state, sha512_initial_hash_value, SHA512_DIGEST_LENGTH);
- MEMSET_BZERO(context->buffer, SHA512_BLOCK_LENGTH);
- context->bitcount[0] = context->bitcount[1] = 0;
-}
-
-#ifdef SHA2_UNROLL_TRANSFORM
-
-/* Unrolled SHA-512 round macros: */
-#if BYTE_ORDER == LITTLE_ENDIAN
-
-#define ROUND512_0_TO_15(a,b,c,d,e,f,g,h) \
- REVERSE64(*data++, W512[j]); \
- T1 = (h) + Sigma1_512(e) + Ch((e), (f), (g)) + \
- K512[j] + W512[j]; \
- (d) += T1, \
- (h) = T1 + Sigma0_512(a) + Maj((a), (b), (c)), \
- j++
-
-
-#else /* BYTE_ORDER == LITTLE_ENDIAN */
-
-#define ROUND512_0_TO_15(a,b,c,d,e,f,g,h) \
- T1 = (h) + Sigma1_512(e) + Ch((e), (f), (g)) + \
- K512[j] + (W512[j] = *data++); \
- (d) += T1; \
- (h) = T1 + Sigma0_512(a) + Maj((a), (b), (c)); \
- j++
-
-#endif /* BYTE_ORDER == LITTLE_ENDIAN */
-
-#define ROUND512(a,b,c,d,e,f,g,h) \
- s0 = W512[(j+1)&0x0f]; \
- s0 = sigma0_512(s0); \
- s1 = W512[(j+14)&0x0f]; \
- s1 = sigma1_512(s1); \
- T1 = (h) + Sigma1_512(e) + Ch((e), (f), (g)) + K512[j] + \
- (W512[j&0x0f] += s1 + W512[(j+9)&0x0f] + s0); \
- (d) += T1; \
- (h) = T1 + Sigma0_512(a) + Maj((a), (b), (c)); \
- j++
-
-void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
- sha2_word64 a, b, c, d, e, f, g, h, s0, s1;
- sha2_word64 T1, *W512 = (sha2_word64*)context->buffer;
- int j;
-
- /* Initialize registers with the prev. intermediate value */
- a = context->state[0];
- b = context->state[1];
- c = context->state[2];
- d = context->state[3];
- e = context->state[4];
- f = context->state[5];
- g = context->state[6];
- h = context->state[7];
-
- j = 0;
- do {
- ROUND512_0_TO_15(a,b,c,d,e,f,g,h);
- ROUND512_0_TO_15(h,a,b,c,d,e,f,g);
- ROUND512_0_TO_15(g,h,a,b,c,d,e,f);
- ROUND512_0_TO_15(f,g,h,a,b,c,d,e);
- ROUND512_0_TO_15(e,f,g,h,a,b,c,d);
- ROUND512_0_TO_15(d,e,f,g,h,a,b,c);
- ROUND512_0_TO_15(c,d,e,f,g,h,a,b);
- ROUND512_0_TO_15(b,c,d,e,f,g,h,a);
- } while (j < 16);
-
- /* Now for the remaining rounds up to 79: */
- do {
- ROUND512(a,b,c,d,e,f,g,h);
- ROUND512(h,a,b,c,d,e,f,g);
- ROUND512(g,h,a,b,c,d,e,f);
- ROUND512(f,g,h,a,b,c,d,e);
- ROUND512(e,f,g,h,a,b,c,d);
- ROUND512(d,e,f,g,h,a,b,c);
- ROUND512(c,d,e,f,g,h,a,b);
- ROUND512(b,c,d,e,f,g,h,a);
- } while (j < 80);
-
- /* Compute the current intermediate hash value */
- context->state[0] += a;
- context->state[1] += b;
- context->state[2] += c;
- context->state[3] += d;
- context->state[4] += e;
- context->state[5] += f;
- context->state[6] += g;
- context->state[7] += h;
-
- /* Clean up */
- a = b = c = d = e = f = g = h = T1 = 0;
-}
-
-#else /* SHA2_UNROLL_TRANSFORM */
-
-void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
- sha2_word64 a, b, c, d, e, f, g, h, s0, s1;
- sha2_word64 T1, T2, *W512 = (sha2_word64*)context->buffer;
- int j;
-
- /* Initialize registers with the prev. intermediate value */
- a = context->state[0];
- b = context->state[1];
- c = context->state[2];
- d = context->state[3];
- e = context->state[4];
- f = context->state[5];
- g = context->state[6];
- h = context->state[7];
-
- j = 0;
- do {
-#if BYTE_ORDER == LITTLE_ENDIAN
- /* Convert TO host byte order */
- REVERSE64(*data++, W512[j]);
- /* Apply the SHA-512 compression function to update a..h */
- T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] + W512[j];
-#else /* BYTE_ORDER == LITTLE_ENDIAN */
- /* Apply the SHA-512 compression function to update a..h with copy */
- T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] + (W512[j] = *data++);
-#endif /* BYTE_ORDER == LITTLE_ENDIAN */
- T2 = Sigma0_512(a) + Maj(a, b, c);
- h = g;
- g = f;
- f = e;
- e = d + T1;
- d = c;
- c = b;
- b = a;
- a = T1 + T2;
-
- j++;
- } while (j < 16);
-
- do {
- /* Part of the message block expansion: */
- s0 = W512[(j+1)&0x0f];
- s0 = sigma0_512(s0);
- s1 = W512[(j+14)&0x0f];
- s1 = sigma1_512(s1);
-
- /* Apply the SHA-512 compression function to update a..h */
- T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] +
- (W512[j&0x0f] += s1 + W512[(j+9)&0x0f] + s0);
- T2 = Sigma0_512(a) + Maj(a, b, c);
- h = g;
- g = f;
- f = e;
- e = d + T1;
- d = c;
- c = b;
- b = a;
- a = T1 + T2;
-
- j++;
- } while (j < 80);
-
- /* Compute the current intermediate hash value */
- context->state[0] += a;
- context->state[1] += b;
- context->state[2] += c;
- context->state[3] += d;
- context->state[4] += e;
- context->state[5] += f;
- context->state[6] += g;
- context->state[7] += h;
-
- /* Clean up */
- a = b = c = d = e = f = g = h = T1 = T2 = 0;
-}
-
-#endif /* SHA2_UNROLL_TRANSFORM */
-
-void SHA512_Update(SHA512_CTX* context, const sha2_byte *data, size_t len) {
- unsigned int freespace, usedspace;
-
- if (len == 0) {
- /* Calling with no data is valid - we do nothing */
- return;
- }
-
- /* Sanity check: */
- assert(context != (SHA512_CTX*)0 && data != (sha2_byte*)0);
-
- usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH;
- if (usedspace > 0) {
- /* Calculate how much free space is available in the buffer */
- freespace = SHA512_BLOCK_LENGTH - usedspace;
-
- if (len >= freespace) {
- /* Fill the buffer completely and process it */
- MEMCPY_BCOPY(&context->buffer[usedspace], data, freespace);
- ADDINC128(context->bitcount, freespace << 3);
- len -= freespace;
- data += freespace;
- SHA512_Transform(context, (sha2_word64*)context->buffer);
- } else {
- /* The buffer is not yet full */
- MEMCPY_BCOPY(&context->buffer[usedspace], data, len);
- ADDINC128(context->bitcount, len << 3);
- /* Clean up: */
- usedspace = freespace = 0;
- return;
- }
- }
- while (len >= SHA512_BLOCK_LENGTH) {
- /* Process as many complete blocks as we can */
- SHA512_Transform(context, (sha2_word64*)data);
- ADDINC128(context->bitcount, SHA512_BLOCK_LENGTH << 3);
- len -= SHA512_BLOCK_LENGTH;
- data += SHA512_BLOCK_LENGTH;
- }
- if (len > 0) {
- /* There's left-overs, so save 'em */
- MEMCPY_BCOPY(context->buffer, data, len);
- ADDINC128(context->bitcount, len << 3);
- }
- /* Clean up: */
- usedspace = freespace = 0;
-}
-
-void SHA512_Last(SHA512_CTX* context) {
- unsigned int usedspace;
-
- usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH;
-#if BYTE_ORDER == LITTLE_ENDIAN
- /* Convert FROM host byte order */
- REVERSE64(context->bitcount[0],context->bitcount[0]);
- REVERSE64(context->bitcount[1],context->bitcount[1]);
-#endif
- if (usedspace > 0) {
- /* Begin padding with a 1 bit: */
- context->buffer[usedspace++] = 0x80;
-
- if (usedspace <= SHA512_SHORT_BLOCK_LENGTH) {
- /* Set-up for the last transform: */
- MEMSET_BZERO(&context->buffer[usedspace], SHA512_SHORT_BLOCK_LENGTH - usedspace);
- } else {
- if (usedspace < SHA512_BLOCK_LENGTH) {
- MEMSET_BZERO(&context->buffer[usedspace], SHA512_BLOCK_LENGTH - usedspace);
- }
- /* Do second-to-last transform: */
- SHA512_Transform(context, (sha2_word64*)context->buffer);
-
- /* And set-up for the last transform: */
- MEMSET_BZERO(context->buffer, SHA512_BLOCK_LENGTH - 2);
- }
- } else {
- /* Prepare for final transform: */
- MEMSET_BZERO(context->buffer, SHA512_SHORT_BLOCK_LENGTH);
-
- /* Begin padding with a 1 bit: */
- *context->buffer = 0x80;
- }
- /* Store the length of input data (in bits): */
- *(sha2_word64*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH] = context->bitcount[1];
- *(sha2_word64*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH+8] = context->bitcount[0];
-
- /* Final transform: */
- SHA512_Transform(context, (sha2_word64*)context->buffer);
-}
-
-void SHA512_Final(sha2_byte digest[], SHA512_CTX* context) {
- sha2_word64 *d = (sha2_word64*)digest;
-
- /* Sanity check: */
- assert(context != (SHA512_CTX*)0);
-
- /* If no digest buffer is passed, we don't bother doing this: */
- if (digest != (sha2_byte*)0) {
- SHA512_Last(context);
-
- /* Save the hash data for output: */
-#if BYTE_ORDER == LITTLE_ENDIAN
- {
- /* Convert TO host byte order */
- int j;
- for (j = 0; j < 8; j++) {
- REVERSE64(context->state[j],context->state[j]);
- *d++ = context->state[j];
- }
- }
-#else
- MEMCPY_BCOPY(d, context->state, SHA512_DIGEST_LENGTH);
-#endif
- }
-
- /* Zero out state data */
- MEMSET_BZERO(context, sizeof(context));
-}
-
-char *SHA512_End(SHA512_CTX* context, char buffer[]) {
- sha2_byte digest[SHA512_DIGEST_LENGTH], *d = digest;
- int i;
-
- /* Sanity check: */
- assert(context != (SHA512_CTX*)0);
-
- if (buffer != (char*)0) {
- SHA512_Final(digest, context);
-
- for (i = 0; i < SHA512_DIGEST_LENGTH; i++) {
- *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
- *buffer++ = sha2_hex_digits[*d & 0x0f];
- d++;
- }
- *buffer = (char)0;
- } else {
- MEMSET_BZERO(context, sizeof(context));
- }
- MEMSET_BZERO(digest, SHA512_DIGEST_LENGTH);
- return buffer;
-}
-
-char* SHA512_Data(const sha2_byte* data, size_t len, char digest[SHA512_DIGEST_STRING_LENGTH]) {
- SHA512_CTX context;
-
- SHA512_Init(&context);
- SHA512_Update(&context, data, len);
- return SHA512_End(&context, digest);
-}
-
-
-/*** SHA-384: *********************************************************/
-void SHA384_Init(SHA384_CTX* context) {
- if (context == (SHA384_CTX*)0) {
- return;
- }
- MEMCPY_BCOPY(context->state, sha384_initial_hash_value, SHA512_DIGEST_LENGTH);
- MEMSET_BZERO(context->buffer, SHA384_BLOCK_LENGTH);
- context->bitcount[0] = context->bitcount[1] = 0;
-}
-
-void SHA384_Update(SHA384_CTX* context, const sha2_byte* data, size_t len) {
- SHA512_Update((SHA512_CTX*)context, data, len);
-}
-
-void SHA384_Final(sha2_byte digest[], SHA384_CTX* context) {
- sha2_word64 *d = (sha2_word64*)digest;
-
- /* Sanity check: */
- assert(context != (SHA384_CTX*)0);
-
- /* If no digest buffer is passed, we don't bother doing this: */
- if (digest != (sha2_byte*)0) {
- SHA512_Last((SHA512_CTX*)context);
-
- /* Save the hash data for output: */
-#if BYTE_ORDER == LITTLE_ENDIAN
- {
- /* Convert TO host byte order */
- int j;
- for (j = 0; j < 6; j++) {
- REVERSE64(context->state[j],context->state[j]);
- *d++ = context->state[j];
- }
- }
-#else
- MEMCPY_BCOPY(d, context->state, SHA384_DIGEST_LENGTH);
-#endif
- }
-
- /* Zero out state data */
- MEMSET_BZERO(context, sizeof(context));
-}
-
-char *SHA384_End(SHA384_CTX* context, char buffer[]) {
- sha2_byte digest[SHA384_DIGEST_LENGTH], *d = digest;
- int i;
-
- /* Sanity check: */
- assert(context != (SHA384_CTX*)0);
-
- if (buffer != (char*)0) {
- SHA384_Final(digest, context);
-
- for (i = 0; i < SHA384_DIGEST_LENGTH; i++) {
- *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
- *buffer++ = sha2_hex_digits[*d & 0x0f];
- d++;
- }
- *buffer = (char)0;
- } else {
- MEMSET_BZERO(context, sizeof(context));
- }
- MEMSET_BZERO(digest, SHA384_DIGEST_LENGTH);
- return buffer;
-}
-
-char* SHA384_Data(const sha2_byte* data, size_t len, char digest[SHA384_DIGEST_STRING_LENGTH]) {
- SHA384_CTX context;
-
- SHA384_Init(&context);
- SHA384_Update(&context, data, len);
- return SHA384_End(&context, digest);
-}
+#include <apt-pkg/sha2.h>
+#include <apt-pkg/strutl.h>
+
+SHA512Summation::SHA512Summation() /*{{{*/
+{
+ SHA512_Init(&ctx);
+ Done = false;
+}
+ /*}}}*/
+bool SHA512Summation::Add(const unsigned char *inbuf,unsigned long len) /*{{{*/
+{
+ if (Done)
+ return false;
+ SHA512_Update(&ctx, inbuf, len);
+ return true;
+}
+ /*}}}*/
+SHA512SumValue SHA512Summation::Result() /*{{{*/
+{
+ if (!Done) {
+ SHA512_Final(Sum, &ctx);
+ Done = true;
+ }
+
+ SHA512SumValue res;
+ res.Set(Sum);
+ return res;
+}
+ /*}}}*/
+// SHA512SumValue::SHA512SumValue - Constructs the sum from a string /*{{{*/
+// ---------------------------------------------------------------------
+/* The string form of a SHA512 is a 64 character hex number */
+SHA512SumValue::SHA512SumValue(string Str)
+{
+ memset(Sum,0,sizeof(Sum));
+ Set(Str);
+}
+ /*}}}*/
+// SHA512SumValue::SHA512SumValue - Default constructor /*{{{*/
+// ---------------------------------------------------------------------
+/* Sets the value to 0 */
+SHA512SumValue::SHA512SumValue()
+{
+ memset(Sum,0,sizeof(Sum));
+}
+ /*}}}*/
+// SHA512SumValue::Set - Set the sum from a string /*{{{*/
+// ---------------------------------------------------------------------
+/* Converts the hex string into a set of chars */
+bool SHA512SumValue::Set(string Str)
+{
+ return Hex2Num(Str,Sum,sizeof(Sum));
+}
+ /*}}}*/
+// SHA512SumValue::Value - Convert the number into a string /*{{{*/
+// ---------------------------------------------------------------------
+/* Converts the set of chars into a hex string in lower case */
+string SHA512SumValue::Value() const
+{
+ char Conv[16] =
+ { '0','1','2','3','4','5','6','7','8','9','a','b',
+ 'c','d','e','f'
+ };
+ char Result[129];
+ Result[128] = 0;
+
+ // Convert each char into two letters
+ int J = 0;
+ int I = 0;
+ for (; I != 128; J++,I += 2)
+ {
+ Result[I] = Conv[Sum[J] >> 4];
+ Result[I + 1] = Conv[Sum[J] & 0xF];
+ }
+
+ return string(Result);
+}
+ /*}}}*/
+// SHA512SumValue::operator == - Comparator /*{{{*/
+// ---------------------------------------------------------------------
+/* Call memcmp on the buffer */
+bool SHA512SumValue::operator == (const SHA512SumValue & rhs) const
+{
+ return memcmp(Sum,rhs.Sum,sizeof(Sum)) == 0;
+}
+ /*}}}*/
+// SHA512Summation::AddFD - Add content of file into the checksum /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool SHA512Summation::AddFD(int Fd,unsigned long Size)
+{
+ unsigned char Buf[64 * 64];
+ int Res = 0;
+ int ToEOF = (Size == 0);
+ while (Size != 0 || ToEOF)
+ {
+ unsigned n = sizeof(Buf);
+ if (!ToEOF) n = min(Size,(unsigned long)n);
+ Res = read(Fd,Buf,n);
+ if (Res < 0 || (!ToEOF && (unsigned) Res != n)) // error, or short read
+ return false;
+ if (ToEOF && Res == 0) // EOF
+ break;
+ Size -= Res;
+ Add(Buf,Res);
+ }
+ return true;
+}
+ /*}}}*/
+
+SHA256Summation::SHA256Summation() /*{{{*/
+{
+ SHA256_Init(&ctx);
+ Done = false;
+}
+ /*}}}*/
+bool SHA256Summation::Add(const unsigned char *inbuf,unsigned long len) /*{{{*/
+{
+ if (Done)
+ return false;
+ SHA256_Update(&ctx, inbuf, len);
+ return true;
+}
+ /*}}}*/
+SHA256SumValue SHA256Summation::Result() /*{{{*/
+{
+ if (!Done) {
+ SHA256_Final(Sum, &ctx);
+ Done = true;
+ }
+
+ SHA256SumValue res;
+ res.Set(Sum);
+ return res;
+}
+ /*}}}*/
+// SHA256SumValue::SHA256SumValue - Constructs the sum from a string /*{{{*/
+// ---------------------------------------------------------------------
+/* The string form of a SHA512 is a 64 character hex number */
+SHA256SumValue::SHA256SumValue(string Str)
+{
+ memset(Sum,0,sizeof(Sum));
+ Set(Str);
+}
+ /*}}}*/
+// SHA256SumValue::SHA256SumValue - Default constructor /*{{{*/
+// ---------------------------------------------------------------------
+/* Sets the value to 0 */
+SHA256SumValue::SHA256SumValue()
+{
+ memset(Sum,0,sizeof(Sum));
+}
+ /*}}}*/
+// SHA256SumValue::Set - Set the sum from a string /*{{{*/
+// ---------------------------------------------------------------------
+/* Converts the hex string into a set of chars */
+bool SHA256SumValue::Set(string Str)
+{
+ return Hex2Num(Str,Sum,sizeof(Sum));
+}
+ /*}}}*/
+// SHA256SumValue::Value - Convert the number into a string /*{{{*/
+// ---------------------------------------------------------------------
+/* Converts the set of chars into a hex string in lower case */
+string SHA256SumValue::Value() const
+{
+ char Conv[16] =
+ { '0','1','2','3','4','5','6','7','8','9','a','b',
+ 'c','d','e','f'
+ };
+ char Result[129];
+ Result[128] = 0;
+
+ // Convert each char into two letters
+ int J = 0;
+ int I = 0;
+ for (; I != 128; J++,I += 2)
+ {
+ Result[I] = Conv[Sum[J] >> 4];
+ Result[I + 1] = Conv[Sum[J] & 0xF];
+ }
+
+ return string(Result);
+}
+ /*}}}*/
+// SHA256SumValue::operator == - Comparator /*{{{*/
+// ---------------------------------------------------------------------
+/* Call memcmp on the buffer */
+bool SHA256SumValue::operator == (const SHA256SumValue & rhs) const
+{
+ return memcmp(Sum,rhs.Sum,sizeof(Sum)) == 0;
+}
+ /*}}}*/
+// SHA256Summation::AddFD - Add content of file into the checksum /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool SHA256Summation::AddFD(int Fd,unsigned long Size)
+{
+ unsigned char Buf[64 * 64];
+ int Res = 0;
+ int ToEOF = (Size == 0);
+ while (Size != 0 || ToEOF)
+ {
+ unsigned n = sizeof(Buf);
+ if (!ToEOF) n = min(Size,(unsigned long)n);
+ Res = read(Fd,Buf,n);
+ if (Res < 0 || (!ToEOF && (unsigned) Res != n)) // error, or short read
+ return false;
+ if (ToEOF && Res == 0) // EOF
+ break;
+ Size -= Res;
+ Add(Buf,Res);
+ }
+ return true;
+}
+ /*}}}*/
-/*
- * FILE: sha2.h
- * AUTHOR: Aaron D. Gifford - http://www.aarongifford.com/
- *
- * Copyright (c) 2000-2001, Aaron D. Gifford
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the copyright holder nor the names of contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $Id: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
- */
-
-#ifndef __SHA2_H__
-#define __SHA2_H__
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-/*
- * Import u_intXX_t size_t type definitions from system headers. You
- * may need to change this, or define these things yourself in this
- * file.
- */
-#include <sys/types.h>
-
-#ifdef SHA2_USE_INTTYPES_H
-
-#include <inttypes.h>
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+// $Id: sha512.h,v 1.3 2001/05/07 05:05:47 jgg Exp $
+/* ######################################################################
+
+ SHA{512,256}SumValue - Storage for a SHA-{512,256} hash.
+ SHA{512,256}Summation - SHA-{512,256} Secure Hash Algorithm.
+
+ This is a C++ interface to a set of SHA{512,256}Sum functions, that mirrors
+ the equivalent MD5 & SHA1 classes.
+
+ ##################################################################### */
+ /*}}}*/
+#ifndef APTPKG_SHA2_H
+#define APTPKG_SHA2_H
+
+#include <string>
+#include <cstring>
+#include <algorithm>
+#include <stdint.h>
+
+#include "sha2_internal.h"
+
+using std::string;
+using std::min;
+
+// SHA512
+class SHA512Summation;
+
+class SHA512SumValue
+{
+ friend class SHA512Summation;
+ unsigned char Sum[64];
+
+ public:
+
+ // Accessors
+ bool operator ==(const SHA512SumValue &rhs) const;
+ string Value() const;
+ inline void Value(unsigned char S[64])
+ {for (int I = 0; I != sizeof(Sum); I++) S[I] = Sum[I];};
+ inline operator string() const {return Value();};
+ bool Set(string Str);
+ inline void Set(unsigned char S[64])
+ {for (int I = 0; I != sizeof(Sum); I++) Sum[I] = S[I];};
+
+ SHA512SumValue(string Str);
+ SHA512SumValue();
+};
+
+class SHA512Summation
+{
+ SHA512_CTX ctx;
+ unsigned char Sum[64];
+ bool Done;
+
+ public:
+
+ bool Add(const unsigned char *inbuf,unsigned long inlen);
+ inline bool Add(const char *Data) {return Add((unsigned char *)Data,strlen(Data));};
+ bool AddFD(int Fd,unsigned long Size);
+ inline bool Add(const unsigned char *Beg,const unsigned char *End)
+ {return Add(Beg,End-Beg);};
+ SHA512SumValue Result();
+
+ SHA512Summation();
+};
+
+// SHA256
+class SHA256Summation;
+
+class SHA256SumValue
+{
+ friend class SHA256Summation;
+ unsigned char Sum[32];
+
+ public:
+
+ // Accessors
+ bool operator ==(const SHA256SumValue &rhs) const;
+ string Value() const;
+ inline void Value(unsigned char S[32])
+ {for (int I = 0; I != sizeof(Sum); I++) S[I] = Sum[I];};
+ inline operator string() const {return Value();};
+ bool Set(string Str);
+ inline void Set(unsigned char S[32])
+ {for (int I = 0; I != sizeof(Sum); I++) Sum[I] = S[I];};
+
+ SHA256SumValue(string Str);
+ SHA256SumValue();
+};
+
+class SHA256Summation
+{
+ SHA256_CTX ctx;
+ unsigned char Sum[32];
+ bool Done;
+
+ public:
+
+ bool Add(const unsigned char *inbuf,unsigned long inlen);
+ inline bool Add(const char *Data) {return Add((unsigned char *)Data,strlen(Data));};
+ bool AddFD(int Fd,unsigned long Size);
+ inline bool Add(const unsigned char *Beg,const unsigned char *End)
+ {return Add(Beg,End-Beg);};
+ SHA256SumValue Result();
+
+ SHA256Summation();
+};
-#endif /* SHA2_USE_INTTYPES_H */
-
-
-/*** SHA-256/384/512 Various Length Definitions ***********************/
-#define SHA256_BLOCK_LENGTH 64
-#define SHA256_DIGEST_LENGTH 32
-#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
-#define SHA384_BLOCK_LENGTH 128
-#define SHA384_DIGEST_LENGTH 48
-#define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
-#define SHA512_BLOCK_LENGTH 128
-#define SHA512_DIGEST_LENGTH 64
-#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
-
-
-/*** SHA-256/384/512 Context Structures *******************************/
-/* NOTE: If your architecture does not define either u_intXX_t types or
- * uintXX_t (from inttypes.h), you may need to define things by hand
- * for your system:
- */
-#if 0
-typedef unsigned char u_int8_t; /* 1-byte (8-bits) */
-typedef unsigned int u_int32_t; /* 4-bytes (32-bits) */
-typedef unsigned long long u_int64_t; /* 8-bytes (64-bits) */
#endif
-/*
- * Most BSD systems already define u_intXX_t types, as does Linux.
- * Some systems, however, like Compaq's Tru64 Unix instead can use
- * uintXX_t types defined by very recent ANSI C standards and included
- * in the file:
- *
- * #include <inttypes.h>
- *
- * If you choose to use <inttypes.h> then please define:
- *
- * #define SHA2_USE_INTTYPES_H
- *
- * Or on the command line during compile:
- *
- * cc -DSHA2_USE_INTTYPES_H ...
- */
-#ifdef SHA2_USE_INTTYPES_H
-
-typedef struct _SHA256_CTX {
- uint32_t state[8];
- uint64_t bitcount;
- uint8_t buffer[SHA256_BLOCK_LENGTH];
-} SHA256_CTX;
-typedef struct _SHA512_CTX {
- uint64_t state[8];
- uint64_t bitcount[2];
- uint8_t buffer[SHA512_BLOCK_LENGTH];
-} SHA512_CTX;
-
-#else /* SHA2_USE_INTTYPES_H */
-
-typedef struct _SHA256_CTX {
- u_int32_t state[8];
- u_int64_t bitcount;
- u_int8_t buffer[SHA256_BLOCK_LENGTH];
-} SHA256_CTX;
-typedef struct _SHA512_CTX {
- u_int64_t state[8];
- u_int64_t bitcount[2];
- u_int8_t buffer[SHA512_BLOCK_LENGTH];
-} SHA512_CTX;
-
-#endif /* SHA2_USE_INTTYPES_H */
-
-typedef SHA512_CTX SHA384_CTX;
-
-
-/*** SHA-256/384/512 Function Prototypes ******************************/
-#ifndef NOPROTO
-#ifdef SHA2_USE_INTTYPES_H
-
-void SHA256_Init(SHA256_CTX *);
-void SHA256_Update(SHA256_CTX*, const uint8_t*, size_t);
-void SHA256_Final(uint8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
-char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
-char* SHA256_Data(const uint8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
-
-void SHA384_Init(SHA384_CTX*);
-void SHA384_Update(SHA384_CTX*, const uint8_t*, size_t);
-void SHA384_Final(uint8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
-char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
-char* SHA384_Data(const uint8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
-
-void SHA512_Init(SHA512_CTX*);
-void SHA512_Update(SHA512_CTX*, const uint8_t*, size_t);
-void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
-char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
-char* SHA512_Data(const uint8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
-
-#else /* SHA2_USE_INTTYPES_H */
-
-void SHA256_Init(SHA256_CTX *);
-void SHA256_Update(SHA256_CTX*, const u_int8_t*, size_t);
-void SHA256_Final(u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
-char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
-char* SHA256_Data(const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
-
-void SHA384_Init(SHA384_CTX*);
-void SHA384_Update(SHA384_CTX*, const u_int8_t*, size_t);
-void SHA384_Final(u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
-char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
-char* SHA384_Data(const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
-
-void SHA512_Init(SHA512_CTX*);
-void SHA512_Update(SHA512_CTX*, const u_int8_t*, size_t);
-void SHA512_Final(u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
-char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
-char* SHA512_Data(const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
-
-#endif /* SHA2_USE_INTTYPES_H */
-
-#else /* NOPROTO */
-
-void SHA256_Init();
-void SHA256_Update();
-void SHA256_Final();
-char* SHA256_End();
-char* SHA256_Data();
-
-void SHA384_Init();
-void SHA384_Update();
-void SHA384_Final();
-char* SHA384_End();
-char* SHA384_Data();
-
-void SHA512_Init();
-void SHA512_Update();
-void SHA512_Final();
-char* SHA512_End();
-char* SHA512_Data();
-
-#endif /* NOPROTO */
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* __SHA2_H__ */
-
+++ /dev/null
-/*
- * Cryptographic API. {{{
- *
- * SHA-256, as specified in
- * http://csrc.nist.gov/cryptval/shs/sha256-384-512.pdf
- *
- * SHA-256 code by Jean-Luc Cooke <jlcooke@certainkey.com>.
- *
- * Copyright (c) Jean-Luc Cooke <jlcooke@certainkey.com>
- * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>
- * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
- *
- * Ported from the Linux kernel to Apt by Anthony Towns <ajt@debian.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- */ /*}}}*/
-
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/sha256.h"
-#endif
-
-
-#define SHA256_DIGEST_SIZE 32
-#define SHA256_HMAC_BLOCK_SIZE 64
-
-#define ror32(value,bits) (((value) >> (bits)) | ((value) << (32 - (bits))))
-
-#include <apt-pkg/sha256.h>
-#include <apt-pkg/strutl.h>
-#include <string.h>
-#include <unistd.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <arpa/inet.h>
-
-typedef uint32_t u32;
-typedef uint8_t u8;
-
-static inline u32 Ch(u32 x, u32 y, u32 z)
-{
- return z ^ (x & (y ^ z));
-}
-
-static inline u32 Maj(u32 x, u32 y, u32 z)
-{
- return (x & y) | (z & (x | y));
-}
-
-#define e0(x) (ror32(x, 2) ^ ror32(x,13) ^ ror32(x,22))
-#define e1(x) (ror32(x, 6) ^ ror32(x,11) ^ ror32(x,25))
-#define s0(x) (ror32(x, 7) ^ ror32(x,18) ^ (x >> 3))
-#define s1(x) (ror32(x,17) ^ ror32(x,19) ^ (x >> 10))
-
-#define H0 0x6a09e667
-#define H1 0xbb67ae85
-#define H2 0x3c6ef372
-#define H3 0xa54ff53a
-#define H4 0x510e527f
-#define H5 0x9b05688c
-#define H6 0x1f83d9ab
-#define H7 0x5be0cd19
-
-static inline void LOAD_OP(int I, u32 *W, const u8 *input) /*{{{*/
-{
- W[I] = ( ((u32) input[I * 4 + 0] << 24)
- | ((u32) input[I * 4 + 1] << 16)
- | ((u32) input[I * 4 + 2] << 8)
- | ((u32) input[I * 4 + 3]));
-}
- /*}}}*/
-static inline void BLEND_OP(int I, u32 *W)
-{
- W[I] = s1(W[I-2]) + W[I-7] + s0(W[I-15]) + W[I-16];
-}
-
-static void sha256_transform(u32 *state, const u8 *input) /*{{{*/
-{
- u32 a, b, c, d, e, f, g, h, t1, t2;
- u32 W[64];
- int i;
-
- /* load the input */
- for (i = 0; i < 16; i++)
- LOAD_OP(i, W, input);
-
- /* now blend */
- for (i = 16; i < 64; i++)
- BLEND_OP(i, W);
-
- /* load the state into our registers */
- a=state[0]; b=state[1]; c=state[2]; d=state[3];
- e=state[4]; f=state[5]; g=state[6]; h=state[7];
-
- /* now iterate */
- t1 = h + e1(e) + Ch(e,f,g) + 0x428a2f98 + W[ 0];
- t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2;
- t1 = g + e1(d) + Ch(d,e,f) + 0x71374491 + W[ 1];
- t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2;
- t1 = f + e1(c) + Ch(c,d,e) + 0xb5c0fbcf + W[ 2];
- t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2;
- t1 = e + e1(b) + Ch(b,c,d) + 0xe9b5dba5 + W[ 3];
- t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2;
- t1 = d + e1(a) + Ch(a,b,c) + 0x3956c25b + W[ 4];
- t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2;
- t1 = c + e1(h) + Ch(h,a,b) + 0x59f111f1 + W[ 5];
- t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2;
- t1 = b + e1(g) + Ch(g,h,a) + 0x923f82a4 + W[ 6];
- t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2;
- t1 = a + e1(f) + Ch(f,g,h) + 0xab1c5ed5 + W[ 7];
- t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2;
-
- t1 = h + e1(e) + Ch(e,f,g) + 0xd807aa98 + W[ 8];
- t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2;
- t1 = g + e1(d) + Ch(d,e,f) + 0x12835b01 + W[ 9];
- t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2;
- t1 = f + e1(c) + Ch(c,d,e) + 0x243185be + W[10];
- t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2;
- t1 = e + e1(b) + Ch(b,c,d) + 0x550c7dc3 + W[11];
- t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2;
- t1 = d + e1(a) + Ch(a,b,c) + 0x72be5d74 + W[12];
- t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2;
- t1 = c + e1(h) + Ch(h,a,b) + 0x80deb1fe + W[13];
- t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2;
- t1 = b + e1(g) + Ch(g,h,a) + 0x9bdc06a7 + W[14];
- t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2;
- t1 = a + e1(f) + Ch(f,g,h) + 0xc19bf174 + W[15];
- t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2;
-
- t1 = h + e1(e) + Ch(e,f,g) + 0xe49b69c1 + W[16];
- t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2;
- t1 = g + e1(d) + Ch(d,e,f) + 0xefbe4786 + W[17];
- t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2;
- t1 = f + e1(c) + Ch(c,d,e) + 0x0fc19dc6 + W[18];
- t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2;
- t1 = e + e1(b) + Ch(b,c,d) + 0x240ca1cc + W[19];
- t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2;
- t1 = d + e1(a) + Ch(a,b,c) + 0x2de92c6f + W[20];
- t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2;
- t1 = c + e1(h) + Ch(h,a,b) + 0x4a7484aa + W[21];
- t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2;
- t1 = b + e1(g) + Ch(g,h,a) + 0x5cb0a9dc + W[22];
- t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2;
- t1 = a + e1(f) + Ch(f,g,h) + 0x76f988da + W[23];
- t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2;
-
- t1 = h + e1(e) + Ch(e,f,g) + 0x983e5152 + W[24];
- t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2;
- t1 = g + e1(d) + Ch(d,e,f) + 0xa831c66d + W[25];
- t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2;
- t1 = f + e1(c) + Ch(c,d,e) + 0xb00327c8 + W[26];
- t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2;
- t1 = e + e1(b) + Ch(b,c,d) + 0xbf597fc7 + W[27];
- t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2;
- t1 = d + e1(a) + Ch(a,b,c) + 0xc6e00bf3 + W[28];
- t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2;
- t1 = c + e1(h) + Ch(h,a,b) + 0xd5a79147 + W[29];
- t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2;
- t1 = b + e1(g) + Ch(g,h,a) + 0x06ca6351 + W[30];
- t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2;
- t1 = a + e1(f) + Ch(f,g,h) + 0x14292967 + W[31];
- t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2;
-
- t1 = h + e1(e) + Ch(e,f,g) + 0x27b70a85 + W[32];
- t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2;
- t1 = g + e1(d) + Ch(d,e,f) + 0x2e1b2138 + W[33];
- t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2;
- t1 = f + e1(c) + Ch(c,d,e) + 0x4d2c6dfc + W[34];
- t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2;
- t1 = e + e1(b) + Ch(b,c,d) + 0x53380d13 + W[35];
- t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2;
- t1 = d + e1(a) + Ch(a,b,c) + 0x650a7354 + W[36];
- t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2;
- t1 = c + e1(h) + Ch(h,a,b) + 0x766a0abb + W[37];
- t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2;
- t1 = b + e1(g) + Ch(g,h,a) + 0x81c2c92e + W[38];
- t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2;
- t1 = a + e1(f) + Ch(f,g,h) + 0x92722c85 + W[39];
- t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2;
-
- t1 = h + e1(e) + Ch(e,f,g) + 0xa2bfe8a1 + W[40];
- t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2;
- t1 = g + e1(d) + Ch(d,e,f) + 0xa81a664b + W[41];
- t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2;
- t1 = f + e1(c) + Ch(c,d,e) + 0xc24b8b70 + W[42];
- t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2;
- t1 = e + e1(b) + Ch(b,c,d) + 0xc76c51a3 + W[43];
- t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2;
- t1 = d + e1(a) + Ch(a,b,c) + 0xd192e819 + W[44];
- t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2;
- t1 = c + e1(h) + Ch(h,a,b) + 0xd6990624 + W[45];
- t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2;
- t1 = b + e1(g) + Ch(g,h,a) + 0xf40e3585 + W[46];
- t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2;
- t1 = a + e1(f) + Ch(f,g,h) + 0x106aa070 + W[47];
- t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2;
-
- t1 = h + e1(e) + Ch(e,f,g) + 0x19a4c116 + W[48];
- t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2;
- t1 = g + e1(d) + Ch(d,e,f) + 0x1e376c08 + W[49];
- t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2;
- t1 = f + e1(c) + Ch(c,d,e) + 0x2748774c + W[50];
- t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2;
- t1 = e + e1(b) + Ch(b,c,d) + 0x34b0bcb5 + W[51];
- t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2;
- t1 = d + e1(a) + Ch(a,b,c) + 0x391c0cb3 + W[52];
- t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2;
- t1 = c + e1(h) + Ch(h,a,b) + 0x4ed8aa4a + W[53];
- t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2;
- t1 = b + e1(g) + Ch(g,h,a) + 0x5b9cca4f + W[54];
- t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2;
- t1 = a + e1(f) + Ch(f,g,h) + 0x682e6ff3 + W[55];
- t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2;
-
- t1 = h + e1(e) + Ch(e,f,g) + 0x748f82ee + W[56];
- t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2;
- t1 = g + e1(d) + Ch(d,e,f) + 0x78a5636f + W[57];
- t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2;
- t1 = f + e1(c) + Ch(c,d,e) + 0x84c87814 + W[58];
- t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2;
- t1 = e + e1(b) + Ch(b,c,d) + 0x8cc70208 + W[59];
- t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2;
- t1 = d + e1(a) + Ch(a,b,c) + 0x90befffa + W[60];
- t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2;
- t1 = c + e1(h) + Ch(h,a,b) + 0xa4506ceb + W[61];
- t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2;
- t1 = b + e1(g) + Ch(g,h,a) + 0xbef9a3f7 + W[62];
- t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2;
- t1 = a + e1(f) + Ch(f,g,h) + 0xc67178f2 + W[63];
- t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2;
-
- state[0] += a; state[1] += b; state[2] += c; state[3] += d;
- state[4] += e; state[5] += f; state[6] += g; state[7] += h;
-
- /* clear any sensitive info... */
- a = b = c = d = e = f = g = h = t1 = t2 = 0;
- memset(W, 0, 64 * sizeof(u32));
-}
- /*}}}*/
-SHA256Summation::SHA256Summation() /*{{{*/
-{
- Sum.state[0] = H0;
- Sum.state[1] = H1;
- Sum.state[2] = H2;
- Sum.state[3] = H3;
- Sum.state[4] = H4;
- Sum.state[5] = H5;
- Sum.state[6] = H6;
- Sum.state[7] = H7;
- Sum.count[0] = Sum.count[1] = 0;
- memset(Sum.buf, 0, sizeof(Sum.buf));
- Done = false;
-}
- /*}}}*/
-bool SHA256Summation::Add(const u8 *data, unsigned long len) /*{{{*/
-{
- struct sha256_ctx *sctx = ∑
- unsigned int i, index, part_len;
-
- if (Done) return false;
-
- /* Compute number of bytes mod 128 */
- index = (unsigned int)((sctx->count[0] >> 3) & 0x3f);
-
- /* Update number of bits */
- if ((sctx->count[0] += (len << 3)) < (len << 3)) {
- sctx->count[1]++;
- sctx->count[1] += (len >> 29);
- }
-
- part_len = 64 - index;
-
- /* Transform as many times as possible. */
- if (len >= part_len) {
- memcpy(&sctx->buf[index], data, part_len);
- sha256_transform(sctx->state, sctx->buf);
-
- for (i = part_len; i + 63 < len; i += 64)
- sha256_transform(sctx->state, &data[i]);
- index = 0;
- } else {
- i = 0;
- }
-
- /* Buffer remaining input */
- memcpy(&sctx->buf[index], &data[i], len-i);
-
- return true;
-}
- /*}}}*/
-SHA256SumValue SHA256Summation::Result() /*{{{*/
-{
- struct sha256_ctx *sctx = ∑
- if (!Done) {
- u8 bits[8];
- unsigned int index, pad_len, t;
- static const u8 padding[64] = { 0x80, };
-
- /* Save number of bits */
- t = sctx->count[0];
- bits[7] = t; t >>= 8;
- bits[6] = t; t >>= 8;
- bits[5] = t; t >>= 8;
- bits[4] = t;
- t = sctx->count[1];
- bits[3] = t; t >>= 8;
- bits[2] = t; t >>= 8;
- bits[1] = t; t >>= 8;
- bits[0] = t;
-
- /* Pad out to 56 mod 64. */
- index = (sctx->count[0] >> 3) & 0x3f;
- pad_len = (index < 56) ? (56 - index) : ((64+56) - index);
- Add(padding, pad_len);
-
- /* Append length (before padding) */
- Add(bits, 8);
- }
-
- Done = true;
-
- /* Store state in digest */
-
- SHA256SumValue res;
- u8 *out = res.Sum;
-
- int i, j;
- unsigned int t;
- for (i = j = 0; i < 8; i++, j += 4) {
- t = sctx->state[i];
- out[j+3] = t; t >>= 8;
- out[j+2] = t; t >>= 8;
- out[j+1] = t; t >>= 8;
- out[j ] = t;
- }
-
- return res;
-}
- /*}}}*/
-// SHA256SumValue::SHA256SumValue - Constructs the sum from a string /*{{{*/
-// ---------------------------------------------------------------------
-/* The string form of a SHA256 is a 64 character hex number */
-SHA256SumValue::SHA256SumValue(string Str)
-{
- memset(Sum,0,sizeof(Sum));
- Set(Str);
-}
- /*}}}*/
-// SHA256SumValue::SHA256SumValue - Default constructor /*{{{*/
-// ---------------------------------------------------------------------
-/* Sets the value to 0 */
-SHA256SumValue::SHA256SumValue()
-{
- memset(Sum,0,sizeof(Sum));
-}
- /*}}}*/
-// SHA256SumValue::Set - Set the sum from a string /*{{{*/
-// ---------------------------------------------------------------------
-/* Converts the hex string into a set of chars */
-bool SHA256SumValue::Set(string Str)
-{
- return Hex2Num(Str,Sum,sizeof(Sum));
-}
- /*}}}*/
-// SHA256SumValue::Value - Convert the number into a string /*{{{*/
-// ---------------------------------------------------------------------
-/* Converts the set of chars into a hex string in lower case */
-string SHA256SumValue::Value() const
-{
- char Conv[16] =
- { '0','1','2','3','4','5','6','7','8','9','a','b',
- 'c','d','e','f'
- };
- char Result[65];
- Result[64] = 0;
-
- // Convert each char into two letters
- int J = 0;
- int I = 0;
- for (; I != 64; J++,I += 2)
- {
- Result[I] = Conv[Sum[J] >> 4];
- Result[I + 1] = Conv[Sum[J] & 0xF];
- }
-
- return string(Result);
-}
- /*}}}*/
-// SHA256SumValue::operator == - Comparator /*{{{*/
-// ---------------------------------------------------------------------
-/* Call memcmp on the buffer */
-bool SHA256SumValue::operator == (const SHA256SumValue & rhs) const
-{
- return memcmp(Sum,rhs.Sum,sizeof(Sum)) == 0;
-}
- /*}}}*/
-// SHA256Summation::AddFD - Add content of file into the checksum /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool SHA256Summation::AddFD(int Fd,unsigned long Size)
-{
- unsigned char Buf[64 * 64];
- int Res = 0;
- int ToEOF = (Size == 0);
- while (Size != 0 || ToEOF)
- {
- unsigned n = sizeof(Buf);
- if (!ToEOF) n = min(Size,(unsigned long)n);
- Res = read(Fd,Buf,n);
- if (Res < 0 || (!ToEOF && (unsigned) Res != n)) // error, or short read
- return false;
- if (ToEOF && Res == 0) // EOF
- break;
- Size -= Res;
- Add(Buf,Res);
- }
- return true;
-}
- /*}}}*/
-
-// -*- mode: cpp; mode: fold -*-
-// Description /*{{{*/
-// $Id: sha1.h,v 1.3 2001/05/07 05:05:47 jgg Exp $
-/* ######################################################################
-
- SHA256SumValue - Storage for a SHA-256 hash.
- SHA256Summation - SHA-256 Secure Hash Algorithm.
-
- This is a C++ interface to a set of SHA256Sum functions, that mirrors
- the equivalent MD5 & SHA1 classes.
-
- ##################################################################### */
- /*}}}*/
#ifndef APTPKG_SHA256_H
#define APTPKG_SHA256_H
-#include <string>
-#include <cstring>
-#include <algorithm>
-#include <stdint.h>
-
-using std::string;
-using std::min;
-
-class SHA256Summation;
-
-class SHA256SumValue
-{
- friend class SHA256Summation;
- unsigned char Sum[32];
-
- public:
-
- // Accessors
- bool operator ==(const SHA256SumValue &rhs) const;
- string Value() const;
- inline void Value(unsigned char S[32])
- {for (int I = 0; I != sizeof(Sum); I++) S[I] = Sum[I];};
- inline operator string() const {return Value();};
- bool Set(string Str);
- inline void Set(unsigned char S[32])
- {for (int I = 0; I != sizeof(Sum); I++) Sum[I] = S[I];};
-
- SHA256SumValue(string Str);
- SHA256SumValue();
-};
-
-struct sha256_ctx {
- uint32_t count[2];
- uint32_t state[8];
- uint8_t buf[128];
-};
-
-class SHA256Summation
-{
- struct sha256_ctx Sum;
-
- bool Done;
-
- public:
+#include "sha2.h"
- bool Add(const unsigned char *inbuf,unsigned long inlen);
- inline bool Add(const char *Data) {return Add((unsigned char *)Data,strlen(Data));};
- bool AddFD(int Fd,unsigned long Size);
- inline bool Add(const unsigned char *Beg,const unsigned char *End)
- {return Add(Beg,End-Beg);};
- SHA256SumValue Result();
-
- SHA256Summation();
-};
+#warn "This header is deprecated, please include sha2.h instead"
#endif
--- /dev/null
+/*
+ * FILE: sha2.c
+ * AUTHOR: Aaron D. Gifford - http://www.aarongifford.com/
+ *
+ * Copyright (c) 2000-2001, Aaron D. Gifford
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holder nor the names of contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: sha2.c,v 1.1 2001/11/08 00:01:51 adg Exp adg $
+ */
+
+#include <string.h> /* memcpy()/memset() or bcopy()/bzero() */
+#include <assert.h> /* assert() */
+#include "sha2_internal.h"
+
+/*
+ * ASSERT NOTE:
+ * Some sanity checking code is included using assert(). On my FreeBSD
+ * system, this additional code can be removed by compiling with NDEBUG
+ * defined. Check your own systems manpage on assert() to see how to
+ * compile WITHOUT the sanity checking code on your system.
+ *
+ * UNROLLED TRANSFORM LOOP NOTE:
+ * You can define SHA2_UNROLL_TRANSFORM to use the unrolled transform
+ * loop version for the hash transform rounds (defined using macros
+ * later in this file). Either define on the command line, for example:
+ *
+ * cc -DSHA2_UNROLL_TRANSFORM -o sha2 sha2.c sha2prog.c
+ *
+ * or define below:
+ *
+ * #define SHA2_UNROLL_TRANSFORM
+ *
+ */
+
+
+/*** SHA-256/384/512 Machine Architecture Definitions *****************/
+/*
+ * BYTE_ORDER NOTE:
+ *
+ * Please make sure that your system defines BYTE_ORDER. If your
+ * architecture is little-endian, make sure it also defines
+ * LITTLE_ENDIAN and that the two (BYTE_ORDER and LITTLE_ENDIAN) are
+ * equivilent.
+ *
+ * If your system does not define the above, then you can do so by
+ * hand like this:
+ *
+ * #define LITTLE_ENDIAN 1234
+ * #define BIG_ENDIAN 4321
+ *
+ * And for little-endian machines, add:
+ *
+ * #define BYTE_ORDER LITTLE_ENDIAN
+ *
+ * Or for big-endian machines:
+ *
+ * #define BYTE_ORDER BIG_ENDIAN
+ *
+ * The FreeBSD machine this was written on defines BYTE_ORDER
+ * appropriately by including <sys/types.h> (which in turn includes
+ * <machine/endian.h> where the appropriate definitions are actually
+ * made).
+ */
+#if !defined(BYTE_ORDER) || (BYTE_ORDER != LITTLE_ENDIAN && BYTE_ORDER != BIG_ENDIAN)
+#error Define BYTE_ORDER to be equal to either LITTLE_ENDIAN or BIG_ENDIAN
+#endif
+
+/*
+ * Define the followingsha2_* types to types of the correct length on
+ * the native archtecture. Most BSD systems and Linux define u_intXX_t
+ * types. Machines with very recent ANSI C headers, can use the
+ * uintXX_t definintions from inttypes.h by defining SHA2_USE_INTTYPES_H
+ * during compile or in the sha.h header file.
+ *
+ * Machines that support neither u_intXX_t nor inttypes.h's uintXX_t
+ * will need to define these three typedefs below (and the appropriate
+ * ones in sha.h too) by hand according to their system architecture.
+ *
+ * Thank you, Jun-ichiro itojun Hagino, for suggesting using u_intXX_t
+ * types and pointing out recent ANSI C support for uintXX_t in inttypes.h.
+ */
+#ifdef SHA2_USE_INTTYPES_H
+
+typedef uint8_t sha2_byte; /* Exactly 1 byte */
+typedef uint32_t sha2_word32; /* Exactly 4 bytes */
+typedef uint64_t sha2_word64; /* Exactly 8 bytes */
+
+#else /* SHA2_USE_INTTYPES_H */
+
+typedef u_int8_t sha2_byte; /* Exactly 1 byte */
+typedef u_int32_t sha2_word32; /* Exactly 4 bytes */
+typedef u_int64_t sha2_word64; /* Exactly 8 bytes */
+
+#endif /* SHA2_USE_INTTYPES_H */
+
+
+/*** SHA-256/384/512 Various Length Definitions ***********************/
+/* NOTE: Most of these are in sha2.h */
+#define SHA256_SHORT_BLOCK_LENGTH (SHA256_BLOCK_LENGTH - 8)
+#define SHA384_SHORT_BLOCK_LENGTH (SHA384_BLOCK_LENGTH - 16)
+#define SHA512_SHORT_BLOCK_LENGTH (SHA512_BLOCK_LENGTH - 16)
+
+
+/*** ENDIAN REVERSAL MACROS *******************************************/
+#if BYTE_ORDER == LITTLE_ENDIAN
+#define REVERSE32(w,x) { \
+ sha2_word32 tmp = (w); \
+ tmp = (tmp >> 16) | (tmp << 16); \
+ (x) = ((tmp & 0xff00ff00UL) >> 8) | ((tmp & 0x00ff00ffUL) << 8); \
+}
+#define REVERSE64(w,x) { \
+ sha2_word64 tmp = (w); \
+ tmp = (tmp >> 32) | (tmp << 32); \
+ tmp = ((tmp & 0xff00ff00ff00ff00ULL) >> 8) | \
+ ((tmp & 0x00ff00ff00ff00ffULL) << 8); \
+ (x) = ((tmp & 0xffff0000ffff0000ULL) >> 16) | \
+ ((tmp & 0x0000ffff0000ffffULL) << 16); \
+}
+#endif /* BYTE_ORDER == LITTLE_ENDIAN */
+
+/*
+ * Macro for incrementally adding the unsigned 64-bit integer n to the
+ * unsigned 128-bit integer (represented using a two-element array of
+ * 64-bit words):
+ */
+#define ADDINC128(w,n) { \
+ (w)[0] += (sha2_word64)(n); \
+ if ((w)[0] < (n)) { \
+ (w)[1]++; \
+ } \
+}
+
+/*
+ * Macros for copying blocks of memory and for zeroing out ranges
+ * of memory. Using these macros makes it easy to switch from
+ * using memset()/memcpy() and using bzero()/bcopy().
+ *
+ * Please define either SHA2_USE_MEMSET_MEMCPY or define
+ * SHA2_USE_BZERO_BCOPY depending on which function set you
+ * choose to use:
+ */
+#if !defined(SHA2_USE_MEMSET_MEMCPY) && !defined(SHA2_USE_BZERO_BCOPY)
+/* Default to memset()/memcpy() if no option is specified */
+#define SHA2_USE_MEMSET_MEMCPY 1
+#endif
+#if defined(SHA2_USE_MEMSET_MEMCPY) && defined(SHA2_USE_BZERO_BCOPY)
+/* Abort with an error if BOTH options are defined */
+#error Define either SHA2_USE_MEMSET_MEMCPY or SHA2_USE_BZERO_BCOPY, not both!
+#endif
+
+#ifdef SHA2_USE_MEMSET_MEMCPY
+#define MEMSET_BZERO(p,l) memset((p), 0, (l))
+#define MEMCPY_BCOPY(d,s,l) memcpy((d), (s), (l))
+#endif
+#ifdef SHA2_USE_BZERO_BCOPY
+#define MEMSET_BZERO(p,l) bzero((p), (l))
+#define MEMCPY_BCOPY(d,s,l) bcopy((s), (d), (l))
+#endif
+
+
+/*** THE SIX LOGICAL FUNCTIONS ****************************************/
+/*
+ * Bit shifting and rotation (used by the six SHA-XYZ logical functions:
+ *
+ * NOTE: The naming of R and S appears backwards here (R is a SHIFT and
+ * S is a ROTATION) because the SHA-256/384/512 description document
+ * (see http://csrc.nist.gov/cryptval/shs/sha256-384-512.pdf) uses this
+ * same "backwards" definition.
+ */
+/* Shift-right (used in SHA-256, SHA-384, and SHA-512): */
+#define R(b,x) ((x) >> (b))
+/* 32-bit Rotate-right (used in SHA-256): */
+#define S32(b,x) (((x) >> (b)) | ((x) << (32 - (b))))
+/* 64-bit Rotate-right (used in SHA-384 and SHA-512): */
+#define S64(b,x) (((x) >> (b)) | ((x) << (64 - (b))))
+
+/* Two of six logical functions used in SHA-256, SHA-384, and SHA-512: */
+#define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z)))
+#define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
+
+/* Four of six logical functions used in SHA-256: */
+#define Sigma0_256(x) (S32(2, (x)) ^ S32(13, (x)) ^ S32(22, (x)))
+#define Sigma1_256(x) (S32(6, (x)) ^ S32(11, (x)) ^ S32(25, (x)))
+#define sigma0_256(x) (S32(7, (x)) ^ S32(18, (x)) ^ R(3 , (x)))
+#define sigma1_256(x) (S32(17, (x)) ^ S32(19, (x)) ^ R(10, (x)))
+
+/* Four of six logical functions used in SHA-384 and SHA-512: */
+#define Sigma0_512(x) (S64(28, (x)) ^ S64(34, (x)) ^ S64(39, (x)))
+#define Sigma1_512(x) (S64(14, (x)) ^ S64(18, (x)) ^ S64(41, (x)))
+#define sigma0_512(x) (S64( 1, (x)) ^ S64( 8, (x)) ^ R( 7, (x)))
+#define sigma1_512(x) (S64(19, (x)) ^ S64(61, (x)) ^ R( 6, (x)))
+
+/*** INTERNAL FUNCTION PROTOTYPES *************************************/
+/* NOTE: These should not be accessed directly from outside this
+ * library -- they are intended for private internal visibility/use
+ * only.
+ */
+void SHA512_Last(SHA512_CTX*);
+void SHA256_Transform(SHA256_CTX*, const sha2_word32*);
+void SHA512_Transform(SHA512_CTX*, const sha2_word64*);
+
+
+/*** SHA-XYZ INITIAL HASH VALUES AND CONSTANTS ************************/
+/* Hash constant words K for SHA-256: */
+const static sha2_word32 K256[64] = {
+ 0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL,
+ 0x3956c25bUL, 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL,
+ 0xd807aa98UL, 0x12835b01UL, 0x243185beUL, 0x550c7dc3UL,
+ 0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL, 0xc19bf174UL,
+ 0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL,
+ 0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL,
+ 0x983e5152UL, 0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL,
+ 0xc6e00bf3UL, 0xd5a79147UL, 0x06ca6351UL, 0x14292967UL,
+ 0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL, 0x53380d13UL,
+ 0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL,
+ 0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL,
+ 0xd192e819UL, 0xd6990624UL, 0xf40e3585UL, 0x106aa070UL,
+ 0x19a4c116UL, 0x1e376c08UL, 0x2748774cUL, 0x34b0bcb5UL,
+ 0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL, 0x682e6ff3UL,
+ 0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL,
+ 0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL
+};
+
+/* Initial hash value H for SHA-256: */
+const static sha2_word32 sha256_initial_hash_value[8] = {
+ 0x6a09e667UL,
+ 0xbb67ae85UL,
+ 0x3c6ef372UL,
+ 0xa54ff53aUL,
+ 0x510e527fUL,
+ 0x9b05688cUL,
+ 0x1f83d9abUL,
+ 0x5be0cd19UL
+};
+
+/* Hash constant words K for SHA-384 and SHA-512: */
+const static sha2_word64 K512[80] = {
+ 0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL,
+ 0xb5c0fbcfec4d3b2fULL, 0xe9b5dba58189dbbcULL,
+ 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL,
+ 0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL,
+ 0xd807aa98a3030242ULL, 0x12835b0145706fbeULL,
+ 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL,
+ 0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL,
+ 0x9bdc06a725c71235ULL, 0xc19bf174cf692694ULL,
+ 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL,
+ 0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL,
+ 0x2de92c6f592b0275ULL, 0x4a7484aa6ea6e483ULL,
+ 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL,
+ 0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL,
+ 0xb00327c898fb213fULL, 0xbf597fc7beef0ee4ULL,
+ 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL,
+ 0x06ca6351e003826fULL, 0x142929670a0e6e70ULL,
+ 0x27b70a8546d22ffcULL, 0x2e1b21385c26c926ULL,
+ 0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL,
+ 0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL,
+ 0x81c2c92e47edaee6ULL, 0x92722c851482353bULL,
+ 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL,
+ 0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL,
+ 0xd192e819d6ef5218ULL, 0xd69906245565a910ULL,
+ 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL,
+ 0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL,
+ 0x2748774cdf8eeb99ULL, 0x34b0bcb5e19b48a8ULL,
+ 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL,
+ 0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL,
+ 0x748f82ee5defb2fcULL, 0x78a5636f43172f60ULL,
+ 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL,
+ 0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL,
+ 0xbef9a3f7b2c67915ULL, 0xc67178f2e372532bULL,
+ 0xca273eceea26619cULL, 0xd186b8c721c0c207ULL,
+ 0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL,
+ 0x06f067aa72176fbaULL, 0x0a637dc5a2c898a6ULL,
+ 0x113f9804bef90daeULL, 0x1b710b35131c471bULL,
+ 0x28db77f523047d84ULL, 0x32caab7b40c72493ULL,
+ 0x3c9ebe0a15c9bebcULL, 0x431d67c49c100d4cULL,
+ 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL,
+ 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL
+};
+
+/* Initial hash value H for SHA-384 */
+const static sha2_word64 sha384_initial_hash_value[8] = {
+ 0xcbbb9d5dc1059ed8ULL,
+ 0x629a292a367cd507ULL,
+ 0x9159015a3070dd17ULL,
+ 0x152fecd8f70e5939ULL,
+ 0x67332667ffc00b31ULL,
+ 0x8eb44a8768581511ULL,
+ 0xdb0c2e0d64f98fa7ULL,
+ 0x47b5481dbefa4fa4ULL
+};
+
+/* Initial hash value H for SHA-512 */
+const static sha2_word64 sha512_initial_hash_value[8] = {
+ 0x6a09e667f3bcc908ULL,
+ 0xbb67ae8584caa73bULL,
+ 0x3c6ef372fe94f82bULL,
+ 0xa54ff53a5f1d36f1ULL,
+ 0x510e527fade682d1ULL,
+ 0x9b05688c2b3e6c1fULL,
+ 0x1f83d9abfb41bd6bULL,
+ 0x5be0cd19137e2179ULL
+};
+
+/*
+ * Constant used by SHA256/384/512_End() functions for converting the
+ * digest to a readable hexadecimal character string:
+ */
+static const char *sha2_hex_digits = "0123456789abcdef";
+
+
+/*** SHA-256: *********************************************************/
+void SHA256_Init(SHA256_CTX* context) {
+ if (context == (SHA256_CTX*)0) {
+ return;
+ }
+ MEMCPY_BCOPY(context->state, sha256_initial_hash_value, SHA256_DIGEST_LENGTH);
+ MEMSET_BZERO(context->buffer, SHA256_BLOCK_LENGTH);
+ context->bitcount = 0;
+}
+
+#ifdef SHA2_UNROLL_TRANSFORM
+
+/* Unrolled SHA-256 round macros: */
+
+#if BYTE_ORDER == LITTLE_ENDIAN
+
+#define ROUND256_0_TO_15(a,b,c,d,e,f,g,h) \
+ REVERSE32(*data++, W256[j]); \
+ T1 = (h) + Sigma1_256(e) + Ch((e), (f), (g)) + \
+ K256[j] + W256[j]; \
+ (d) += T1; \
+ (h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \
+ j++
+
+
+#else /* BYTE_ORDER == LITTLE_ENDIAN */
+
+#define ROUND256_0_TO_15(a,b,c,d,e,f,g,h) \
+ T1 = (h) + Sigma1_256(e) + Ch((e), (f), (g)) + \
+ K256[j] + (W256[j] = *data++); \
+ (d) += T1; \
+ (h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \
+ j++
+
+#endif /* BYTE_ORDER == LITTLE_ENDIAN */
+
+#define ROUND256(a,b,c,d,e,f,g,h) \
+ s0 = W256[(j+1)&0x0f]; \
+ s0 = sigma0_256(s0); \
+ s1 = W256[(j+14)&0x0f]; \
+ s1 = sigma1_256(s1); \
+ T1 = (h) + Sigma1_256(e) + Ch((e), (f), (g)) + K256[j] + \
+ (W256[j&0x0f] += s1 + W256[(j+9)&0x0f] + s0); \
+ (d) += T1; \
+ (h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \
+ j++
+
+void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
+ sha2_word32 a, b, c, d, e, f, g, h, s0, s1;
+ sha2_word32 T1, *W256;
+ int j;
+
+ W256 = (sha2_word32*)context->buffer;
+
+ /* Initialize registers with the prev. intermediate value */
+ a = context->state[0];
+ b = context->state[1];
+ c = context->state[2];
+ d = context->state[3];
+ e = context->state[4];
+ f = context->state[5];
+ g = context->state[6];
+ h = context->state[7];
+
+ j = 0;
+ do {
+ /* Rounds 0 to 15 (unrolled): */
+ ROUND256_0_TO_15(a,b,c,d,e,f,g,h);
+ ROUND256_0_TO_15(h,a,b,c,d,e,f,g);
+ ROUND256_0_TO_15(g,h,a,b,c,d,e,f);
+ ROUND256_0_TO_15(f,g,h,a,b,c,d,e);
+ ROUND256_0_TO_15(e,f,g,h,a,b,c,d);
+ ROUND256_0_TO_15(d,e,f,g,h,a,b,c);
+ ROUND256_0_TO_15(c,d,e,f,g,h,a,b);
+ ROUND256_0_TO_15(b,c,d,e,f,g,h,a);
+ } while (j < 16);
+
+ /* Now for the remaining rounds to 64: */
+ do {
+ ROUND256(a,b,c,d,e,f,g,h);
+ ROUND256(h,a,b,c,d,e,f,g);
+ ROUND256(g,h,a,b,c,d,e,f);
+ ROUND256(f,g,h,a,b,c,d,e);
+ ROUND256(e,f,g,h,a,b,c,d);
+ ROUND256(d,e,f,g,h,a,b,c);
+ ROUND256(c,d,e,f,g,h,a,b);
+ ROUND256(b,c,d,e,f,g,h,a);
+ } while (j < 64);
+
+ /* Compute the current intermediate hash value */
+ context->state[0] += a;
+ context->state[1] += b;
+ context->state[2] += c;
+ context->state[3] += d;
+ context->state[4] += e;
+ context->state[5] += f;
+ context->state[6] += g;
+ context->state[7] += h;
+
+ /* Clean up */
+ a = b = c = d = e = f = g = h = T1 = 0;
+}
+
+#else /* SHA2_UNROLL_TRANSFORM */
+
+void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
+ sha2_word32 a, b, c, d, e, f, g, h, s0, s1;
+ sha2_word32 T1, T2, *W256;
+ int j;
+
+ W256 = (sha2_word32*)context->buffer;
+
+ /* Initialize registers with the prev. intermediate value */
+ a = context->state[0];
+ b = context->state[1];
+ c = context->state[2];
+ d = context->state[3];
+ e = context->state[4];
+ f = context->state[5];
+ g = context->state[6];
+ h = context->state[7];
+
+ j = 0;
+ do {
+#if BYTE_ORDER == LITTLE_ENDIAN
+ /* Copy data while converting to host byte order */
+ REVERSE32(*data++,W256[j]);
+ /* Apply the SHA-256 compression function to update a..h */
+ T1 = h + Sigma1_256(e) + Ch(e, f, g) + K256[j] + W256[j];
+#else /* BYTE_ORDER == LITTLE_ENDIAN */
+ /* Apply the SHA-256 compression function to update a..h with copy */
+ T1 = h + Sigma1_256(e) + Ch(e, f, g) + K256[j] + (W256[j] = *data++);
+#endif /* BYTE_ORDER == LITTLE_ENDIAN */
+ T2 = Sigma0_256(a) + Maj(a, b, c);
+ h = g;
+ g = f;
+ f = e;
+ e = d + T1;
+ d = c;
+ c = b;
+ b = a;
+ a = T1 + T2;
+
+ j++;
+ } while (j < 16);
+
+ do {
+ /* Part of the message block expansion: */
+ s0 = W256[(j+1)&0x0f];
+ s0 = sigma0_256(s0);
+ s1 = W256[(j+14)&0x0f];
+ s1 = sigma1_256(s1);
+
+ /* Apply the SHA-256 compression function to update a..h */
+ T1 = h + Sigma1_256(e) + Ch(e, f, g) + K256[j] +
+ (W256[j&0x0f] += s1 + W256[(j+9)&0x0f] + s0);
+ T2 = Sigma0_256(a) + Maj(a, b, c);
+ h = g;
+ g = f;
+ f = e;
+ e = d + T1;
+ d = c;
+ c = b;
+ b = a;
+ a = T1 + T2;
+
+ j++;
+ } while (j < 64);
+
+ /* Compute the current intermediate hash value */
+ context->state[0] += a;
+ context->state[1] += b;
+ context->state[2] += c;
+ context->state[3] += d;
+ context->state[4] += e;
+ context->state[5] += f;
+ context->state[6] += g;
+ context->state[7] += h;
+
+ /* Clean up */
+ a = b = c = d = e = f = g = h = T1 = T2 = 0;
+}
+
+#endif /* SHA2_UNROLL_TRANSFORM */
+
+void SHA256_Update(SHA256_CTX* context, const sha2_byte *data, size_t len) {
+ unsigned int freespace, usedspace;
+
+ if (len == 0) {
+ /* Calling with no data is valid - we do nothing */
+ return;
+ }
+
+ /* Sanity check: */
+ assert(context != (SHA256_CTX*)0 && data != (sha2_byte*)0);
+
+ usedspace = (context->bitcount >> 3) % SHA256_BLOCK_LENGTH;
+ if (usedspace > 0) {
+ /* Calculate how much free space is available in the buffer */
+ freespace = SHA256_BLOCK_LENGTH - usedspace;
+
+ if (len >= freespace) {
+ /* Fill the buffer completely and process it */
+ MEMCPY_BCOPY(&context->buffer[usedspace], data, freespace);
+ context->bitcount += freespace << 3;
+ len -= freespace;
+ data += freespace;
+ SHA256_Transform(context, (sha2_word32*)context->buffer);
+ } else {
+ /* The buffer is not yet full */
+ MEMCPY_BCOPY(&context->buffer[usedspace], data, len);
+ context->bitcount += len << 3;
+ /* Clean up: */
+ usedspace = freespace = 0;
+ return;
+ }
+ }
+ while (len >= SHA256_BLOCK_LENGTH) {
+ /* Process as many complete blocks as we can */
+ SHA256_Transform(context, (sha2_word32*)data);
+ context->bitcount += SHA256_BLOCK_LENGTH << 3;
+ len -= SHA256_BLOCK_LENGTH;
+ data += SHA256_BLOCK_LENGTH;
+ }
+ if (len > 0) {
+ /* There's left-overs, so save 'em */
+ MEMCPY_BCOPY(context->buffer, data, len);
+ context->bitcount += len << 3;
+ }
+ /* Clean up: */
+ usedspace = freespace = 0;
+}
+
+void SHA256_Final(sha2_byte digest[], SHA256_CTX* context) {
+ sha2_word32 *d = (sha2_word32*)digest;
+ unsigned int usedspace;
+
+ /* Sanity check: */
+ assert(context != (SHA256_CTX*)0);
+
+ /* If no digest buffer is passed, we don't bother doing this: */
+ if (digest != (sha2_byte*)0) {
+ usedspace = (context->bitcount >> 3) % SHA256_BLOCK_LENGTH;
+#if BYTE_ORDER == LITTLE_ENDIAN
+ /* Convert FROM host byte order */
+ REVERSE64(context->bitcount,context->bitcount);
+#endif
+ if (usedspace > 0) {
+ /* Begin padding with a 1 bit: */
+ context->buffer[usedspace++] = 0x80;
+
+ if (usedspace <= SHA256_SHORT_BLOCK_LENGTH) {
+ /* Set-up for the last transform: */
+ MEMSET_BZERO(&context->buffer[usedspace], SHA256_SHORT_BLOCK_LENGTH - usedspace);
+ } else {
+ if (usedspace < SHA256_BLOCK_LENGTH) {
+ MEMSET_BZERO(&context->buffer[usedspace], SHA256_BLOCK_LENGTH - usedspace);
+ }
+ /* Do second-to-last transform: */
+ SHA256_Transform(context, (sha2_word32*)context->buffer);
+
+ /* And set-up for the last transform: */
+ MEMSET_BZERO(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
+ }
+ } else {
+ /* Set-up for the last transform: */
+ MEMSET_BZERO(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
+
+ /* Begin padding with a 1 bit: */
+ *context->buffer = 0x80;
+ }
+ /* Set the bit count: */
+ *(sha2_word64*)&context->buffer[SHA256_SHORT_BLOCK_LENGTH] = context->bitcount;
+
+ /* Final transform: */
+ SHA256_Transform(context, (sha2_word32*)context->buffer);
+
+#if BYTE_ORDER == LITTLE_ENDIAN
+ {
+ /* Convert TO host byte order */
+ int j;
+ for (j = 0; j < 8; j++) {
+ REVERSE32(context->state[j],context->state[j]);
+ *d++ = context->state[j];
+ }
+ }
+#else
+ MEMCPY_BCOPY(d, context->state, SHA256_DIGEST_LENGTH);
+#endif
+ }
+
+ /* Clean up state data: */
+ MEMSET_BZERO(context, sizeof(context));
+ usedspace = 0;
+}
+
+char *SHA256_End(SHA256_CTX* context, char buffer[]) {
+ sha2_byte digest[SHA256_DIGEST_LENGTH], *d = digest;
+ int i;
+
+ /* Sanity check: */
+ assert(context != (SHA256_CTX*)0);
+
+ if (buffer != (char*)0) {
+ SHA256_Final(digest, context);
+
+ for (i = 0; i < SHA256_DIGEST_LENGTH; i++) {
+ *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
+ *buffer++ = sha2_hex_digits[*d & 0x0f];
+ d++;
+ }
+ *buffer = (char)0;
+ } else {
+ MEMSET_BZERO(context, sizeof(context));
+ }
+ MEMSET_BZERO(digest, SHA256_DIGEST_LENGTH);
+ return buffer;
+}
+
+char* SHA256_Data(const sha2_byte* data, size_t len, char digest[SHA256_DIGEST_STRING_LENGTH]) {
+ SHA256_CTX context;
+
+ SHA256_Init(&context);
+ SHA256_Update(&context, data, len);
+ return SHA256_End(&context, digest);
+}
+
+
+/*** SHA-512: *********************************************************/
+void SHA512_Init(SHA512_CTX* context) {
+ if (context == (SHA512_CTX*)0) {
+ return;
+ }
+ MEMCPY_BCOPY(context->state, sha512_initial_hash_value, SHA512_DIGEST_LENGTH);
+ MEMSET_BZERO(context->buffer, SHA512_BLOCK_LENGTH);
+ context->bitcount[0] = context->bitcount[1] = 0;
+}
+
+#ifdef SHA2_UNROLL_TRANSFORM
+
+/* Unrolled SHA-512 round macros: */
+#if BYTE_ORDER == LITTLE_ENDIAN
+
+#define ROUND512_0_TO_15(a,b,c,d,e,f,g,h) \
+ REVERSE64(*data++, W512[j]); \
+ T1 = (h) + Sigma1_512(e) + Ch((e), (f), (g)) + \
+ K512[j] + W512[j]; \
+ (d) += T1, \
+ (h) = T1 + Sigma0_512(a) + Maj((a), (b), (c)), \
+ j++
+
+
+#else /* BYTE_ORDER == LITTLE_ENDIAN */
+
+#define ROUND512_0_TO_15(a,b,c,d,e,f,g,h) \
+ T1 = (h) + Sigma1_512(e) + Ch((e), (f), (g)) + \
+ K512[j] + (W512[j] = *data++); \
+ (d) += T1; \
+ (h) = T1 + Sigma0_512(a) + Maj((a), (b), (c)); \
+ j++
+
+#endif /* BYTE_ORDER == LITTLE_ENDIAN */
+
+#define ROUND512(a,b,c,d,e,f,g,h) \
+ s0 = W512[(j+1)&0x0f]; \
+ s0 = sigma0_512(s0); \
+ s1 = W512[(j+14)&0x0f]; \
+ s1 = sigma1_512(s1); \
+ T1 = (h) + Sigma1_512(e) + Ch((e), (f), (g)) + K512[j] + \
+ (W512[j&0x0f] += s1 + W512[(j+9)&0x0f] + s0); \
+ (d) += T1; \
+ (h) = T1 + Sigma0_512(a) + Maj((a), (b), (c)); \
+ j++
+
+void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
+ sha2_word64 a, b, c, d, e, f, g, h, s0, s1;
+ sha2_word64 T1, *W512 = (sha2_word64*)context->buffer;
+ int j;
+
+ /* Initialize registers with the prev. intermediate value */
+ a = context->state[0];
+ b = context->state[1];
+ c = context->state[2];
+ d = context->state[3];
+ e = context->state[4];
+ f = context->state[5];
+ g = context->state[6];
+ h = context->state[7];
+
+ j = 0;
+ do {
+ ROUND512_0_TO_15(a,b,c,d,e,f,g,h);
+ ROUND512_0_TO_15(h,a,b,c,d,e,f,g);
+ ROUND512_0_TO_15(g,h,a,b,c,d,e,f);
+ ROUND512_0_TO_15(f,g,h,a,b,c,d,e);
+ ROUND512_0_TO_15(e,f,g,h,a,b,c,d);
+ ROUND512_0_TO_15(d,e,f,g,h,a,b,c);
+ ROUND512_0_TO_15(c,d,e,f,g,h,a,b);
+ ROUND512_0_TO_15(b,c,d,e,f,g,h,a);
+ } while (j < 16);
+
+ /* Now for the remaining rounds up to 79: */
+ do {
+ ROUND512(a,b,c,d,e,f,g,h);
+ ROUND512(h,a,b,c,d,e,f,g);
+ ROUND512(g,h,a,b,c,d,e,f);
+ ROUND512(f,g,h,a,b,c,d,e);
+ ROUND512(e,f,g,h,a,b,c,d);
+ ROUND512(d,e,f,g,h,a,b,c);
+ ROUND512(c,d,e,f,g,h,a,b);
+ ROUND512(b,c,d,e,f,g,h,a);
+ } while (j < 80);
+
+ /* Compute the current intermediate hash value */
+ context->state[0] += a;
+ context->state[1] += b;
+ context->state[2] += c;
+ context->state[3] += d;
+ context->state[4] += e;
+ context->state[5] += f;
+ context->state[6] += g;
+ context->state[7] += h;
+
+ /* Clean up */
+ a = b = c = d = e = f = g = h = T1 = 0;
+}
+
+#else /* SHA2_UNROLL_TRANSFORM */
+
+void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
+ sha2_word64 a, b, c, d, e, f, g, h, s0, s1;
+ sha2_word64 T1, T2, *W512 = (sha2_word64*)context->buffer;
+ int j;
+
+ /* Initialize registers with the prev. intermediate value */
+ a = context->state[0];
+ b = context->state[1];
+ c = context->state[2];
+ d = context->state[3];
+ e = context->state[4];
+ f = context->state[5];
+ g = context->state[6];
+ h = context->state[7];
+
+ j = 0;
+ do {
+#if BYTE_ORDER == LITTLE_ENDIAN
+ /* Convert TO host byte order */
+ REVERSE64(*data++, W512[j]);
+ /* Apply the SHA-512 compression function to update a..h */
+ T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] + W512[j];
+#else /* BYTE_ORDER == LITTLE_ENDIAN */
+ /* Apply the SHA-512 compression function to update a..h with copy */
+ T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] + (W512[j] = *data++);
+#endif /* BYTE_ORDER == LITTLE_ENDIAN */
+ T2 = Sigma0_512(a) + Maj(a, b, c);
+ h = g;
+ g = f;
+ f = e;
+ e = d + T1;
+ d = c;
+ c = b;
+ b = a;
+ a = T1 + T2;
+
+ j++;
+ } while (j < 16);
+
+ do {
+ /* Part of the message block expansion: */
+ s0 = W512[(j+1)&0x0f];
+ s0 = sigma0_512(s0);
+ s1 = W512[(j+14)&0x0f];
+ s1 = sigma1_512(s1);
+
+ /* Apply the SHA-512 compression function to update a..h */
+ T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] +
+ (W512[j&0x0f] += s1 + W512[(j+9)&0x0f] + s0);
+ T2 = Sigma0_512(a) + Maj(a, b, c);
+ h = g;
+ g = f;
+ f = e;
+ e = d + T1;
+ d = c;
+ c = b;
+ b = a;
+ a = T1 + T2;
+
+ j++;
+ } while (j < 80);
+
+ /* Compute the current intermediate hash value */
+ context->state[0] += a;
+ context->state[1] += b;
+ context->state[2] += c;
+ context->state[3] += d;
+ context->state[4] += e;
+ context->state[5] += f;
+ context->state[6] += g;
+ context->state[7] += h;
+
+ /* Clean up */
+ a = b = c = d = e = f = g = h = T1 = T2 = 0;
+}
+
+#endif /* SHA2_UNROLL_TRANSFORM */
+
+void SHA512_Update(SHA512_CTX* context, const sha2_byte *data, size_t len) {
+ unsigned int freespace, usedspace;
+
+ if (len == 0) {
+ /* Calling with no data is valid - we do nothing */
+ return;
+ }
+
+ /* Sanity check: */
+ assert(context != (SHA512_CTX*)0 && data != (sha2_byte*)0);
+
+ usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH;
+ if (usedspace > 0) {
+ /* Calculate how much free space is available in the buffer */
+ freespace = SHA512_BLOCK_LENGTH - usedspace;
+
+ if (len >= freespace) {
+ /* Fill the buffer completely and process it */
+ MEMCPY_BCOPY(&context->buffer[usedspace], data, freespace);
+ ADDINC128(context->bitcount, freespace << 3);
+ len -= freespace;
+ data += freespace;
+ SHA512_Transform(context, (sha2_word64*)context->buffer);
+ } else {
+ /* The buffer is not yet full */
+ MEMCPY_BCOPY(&context->buffer[usedspace], data, len);
+ ADDINC128(context->bitcount, len << 3);
+ /* Clean up: */
+ usedspace = freespace = 0;
+ return;
+ }
+ }
+ while (len >= SHA512_BLOCK_LENGTH) {
+ /* Process as many complete blocks as we can */
+ SHA512_Transform(context, (sha2_word64*)data);
+ ADDINC128(context->bitcount, SHA512_BLOCK_LENGTH << 3);
+ len -= SHA512_BLOCK_LENGTH;
+ data += SHA512_BLOCK_LENGTH;
+ }
+ if (len > 0) {
+ /* There's left-overs, so save 'em */
+ MEMCPY_BCOPY(context->buffer, data, len);
+ ADDINC128(context->bitcount, len << 3);
+ }
+ /* Clean up: */
+ usedspace = freespace = 0;
+}
+
+void SHA512_Last(SHA512_CTX* context) {
+ unsigned int usedspace;
+
+ usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH;
+#if BYTE_ORDER == LITTLE_ENDIAN
+ /* Convert FROM host byte order */
+ REVERSE64(context->bitcount[0],context->bitcount[0]);
+ REVERSE64(context->bitcount[1],context->bitcount[1]);
+#endif
+ if (usedspace > 0) {
+ /* Begin padding with a 1 bit: */
+ context->buffer[usedspace++] = 0x80;
+
+ if (usedspace <= SHA512_SHORT_BLOCK_LENGTH) {
+ /* Set-up for the last transform: */
+ MEMSET_BZERO(&context->buffer[usedspace], SHA512_SHORT_BLOCK_LENGTH - usedspace);
+ } else {
+ if (usedspace < SHA512_BLOCK_LENGTH) {
+ MEMSET_BZERO(&context->buffer[usedspace], SHA512_BLOCK_LENGTH - usedspace);
+ }
+ /* Do second-to-last transform: */
+ SHA512_Transform(context, (sha2_word64*)context->buffer);
+
+ /* And set-up for the last transform: */
+ MEMSET_BZERO(context->buffer, SHA512_BLOCK_LENGTH - 2);
+ }
+ } else {
+ /* Prepare for final transform: */
+ MEMSET_BZERO(context->buffer, SHA512_SHORT_BLOCK_LENGTH);
+
+ /* Begin padding with a 1 bit: */
+ *context->buffer = 0x80;
+ }
+ /* Store the length of input data (in bits): */
+ *(sha2_word64*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH] = context->bitcount[1];
+ *(sha2_word64*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH+8] = context->bitcount[0];
+
+ /* Final transform: */
+ SHA512_Transform(context, (sha2_word64*)context->buffer);
+}
+
+void SHA512_Final(sha2_byte digest[], SHA512_CTX* context) {
+ sha2_word64 *d = (sha2_word64*)digest;
+
+ /* Sanity check: */
+ assert(context != (SHA512_CTX*)0);
+
+ /* If no digest buffer is passed, we don't bother doing this: */
+ if (digest != (sha2_byte*)0) {
+ SHA512_Last(context);
+
+ /* Save the hash data for output: */
+#if BYTE_ORDER == LITTLE_ENDIAN
+ {
+ /* Convert TO host byte order */
+ int j;
+ for (j = 0; j < 8; j++) {
+ REVERSE64(context->state[j],context->state[j]);
+ *d++ = context->state[j];
+ }
+ }
+#else
+ MEMCPY_BCOPY(d, context->state, SHA512_DIGEST_LENGTH);
+#endif
+ }
+
+ /* Zero out state data */
+ MEMSET_BZERO(context, sizeof(context));
+}
+
+char *SHA512_End(SHA512_CTX* context, char buffer[]) {
+ sha2_byte digest[SHA512_DIGEST_LENGTH], *d = digest;
+ int i;
+
+ /* Sanity check: */
+ assert(context != (SHA512_CTX*)0);
+
+ if (buffer != (char*)0) {
+ SHA512_Final(digest, context);
+
+ for (i = 0; i < SHA512_DIGEST_LENGTH; i++) {
+ *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
+ *buffer++ = sha2_hex_digits[*d & 0x0f];
+ d++;
+ }
+ *buffer = (char)0;
+ } else {
+ MEMSET_BZERO(context, sizeof(context));
+ }
+ MEMSET_BZERO(digest, SHA512_DIGEST_LENGTH);
+ return buffer;
+}
+
+char* SHA512_Data(const sha2_byte* data, size_t len, char digest[SHA512_DIGEST_STRING_LENGTH]) {
+ SHA512_CTX context;
+
+ SHA512_Init(&context);
+ SHA512_Update(&context, data, len);
+ return SHA512_End(&context, digest);
+}
+
+
+/*** SHA-384: *********************************************************/
+void SHA384_Init(SHA384_CTX* context) {
+ if (context == (SHA384_CTX*)0) {
+ return;
+ }
+ MEMCPY_BCOPY(context->state, sha384_initial_hash_value, SHA512_DIGEST_LENGTH);
+ MEMSET_BZERO(context->buffer, SHA384_BLOCK_LENGTH);
+ context->bitcount[0] = context->bitcount[1] = 0;
+}
+
+void SHA384_Update(SHA384_CTX* context, const sha2_byte* data, size_t len) {
+ SHA512_Update((SHA512_CTX*)context, data, len);
+}
+
+void SHA384_Final(sha2_byte digest[], SHA384_CTX* context) {
+ sha2_word64 *d = (sha2_word64*)digest;
+
+ /* Sanity check: */
+ assert(context != (SHA384_CTX*)0);
+
+ /* If no digest buffer is passed, we don't bother doing this: */
+ if (digest != (sha2_byte*)0) {
+ SHA512_Last((SHA512_CTX*)context);
+
+ /* Save the hash data for output: */
+#if BYTE_ORDER == LITTLE_ENDIAN
+ {
+ /* Convert TO host byte order */
+ int j;
+ for (j = 0; j < 6; j++) {
+ REVERSE64(context->state[j],context->state[j]);
+ *d++ = context->state[j];
+ }
+ }
+#else
+ MEMCPY_BCOPY(d, context->state, SHA384_DIGEST_LENGTH);
+#endif
+ }
+
+ /* Zero out state data */
+ MEMSET_BZERO(context, sizeof(context));
+}
+
+char *SHA384_End(SHA384_CTX* context, char buffer[]) {
+ sha2_byte digest[SHA384_DIGEST_LENGTH], *d = digest;
+ int i;
+
+ /* Sanity check: */
+ assert(context != (SHA384_CTX*)0);
+
+ if (buffer != (char*)0) {
+ SHA384_Final(digest, context);
+
+ for (i = 0; i < SHA384_DIGEST_LENGTH; i++) {
+ *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
+ *buffer++ = sha2_hex_digits[*d & 0x0f];
+ d++;
+ }
+ *buffer = (char)0;
+ } else {
+ MEMSET_BZERO(context, sizeof(context));
+ }
+ MEMSET_BZERO(digest, SHA384_DIGEST_LENGTH);
+ return buffer;
+}
+
+char* SHA384_Data(const sha2_byte* data, size_t len, char digest[SHA384_DIGEST_STRING_LENGTH]) {
+ SHA384_CTX context;
+
+ SHA384_Init(&context);
+ SHA384_Update(&context, data, len);
+ return SHA384_End(&context, digest);
+}
+
--- /dev/null
+/*
+ * FILE: sha2.h
+ * AUTHOR: Aaron D. Gifford - http://www.aarongifford.com/
+ *
+ * Copyright (c) 2000-2001, Aaron D. Gifford
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holder nor the names of contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
+ */
+
+#ifndef __SHA2_H__
+#define __SHA2_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/*
+ * Import u_intXX_t size_t type definitions from system headers. You
+ * may need to change this, or define these things yourself in this
+ * file.
+ */
+#include <sys/types.h>
+
+#ifdef SHA2_USE_INTTYPES_H
+
+#include <inttypes.h>
+
+#endif /* SHA2_USE_INTTYPES_H */
+
+
+/*** SHA-256/384/512 Various Length Definitions ***********************/
+#define SHA256_BLOCK_LENGTH 64
+#define SHA256_DIGEST_LENGTH 32
+#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
+#define SHA384_BLOCK_LENGTH 128
+#define SHA384_DIGEST_LENGTH 48
+#define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
+#define SHA512_BLOCK_LENGTH 128
+#define SHA512_DIGEST_LENGTH 64
+#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
+
+
+/*** SHA-256/384/512 Context Structures *******************************/
+/* NOTE: If your architecture does not define either u_intXX_t types or
+ * uintXX_t (from inttypes.h), you may need to define things by hand
+ * for your system:
+ */
+#if 0
+typedef unsigned char u_int8_t; /* 1-byte (8-bits) */
+typedef unsigned int u_int32_t; /* 4-bytes (32-bits) */
+typedef unsigned long long u_int64_t; /* 8-bytes (64-bits) */
+#endif
+/*
+ * Most BSD systems already define u_intXX_t types, as does Linux.
+ * Some systems, however, like Compaq's Tru64 Unix instead can use
+ * uintXX_t types defined by very recent ANSI C standards and included
+ * in the file:
+ *
+ * #include <inttypes.h>
+ *
+ * If you choose to use <inttypes.h> then please define:
+ *
+ * #define SHA2_USE_INTTYPES_H
+ *
+ * Or on the command line during compile:
+ *
+ * cc -DSHA2_USE_INTTYPES_H ...
+ */
+#ifdef SHA2_USE_INTTYPES_H
+
+typedef struct _SHA256_CTX {
+ uint32_t state[8];
+ uint64_t bitcount;
+ uint8_t buffer[SHA256_BLOCK_LENGTH];
+} SHA256_CTX;
+typedef struct _SHA512_CTX {
+ uint64_t state[8];
+ uint64_t bitcount[2];
+ uint8_t buffer[SHA512_BLOCK_LENGTH];
+} SHA512_CTX;
+
+#else /* SHA2_USE_INTTYPES_H */
+
+typedef struct _SHA256_CTX {
+ u_int32_t state[8];
+ u_int64_t bitcount;
+ u_int8_t buffer[SHA256_BLOCK_LENGTH];
+} SHA256_CTX;
+typedef struct _SHA512_CTX {
+ u_int64_t state[8];
+ u_int64_t bitcount[2];
+ u_int8_t buffer[SHA512_BLOCK_LENGTH];
+} SHA512_CTX;
+
+#endif /* SHA2_USE_INTTYPES_H */
+
+typedef SHA512_CTX SHA384_CTX;
+
+
+/*** SHA-256/384/512 Function Prototypes ******************************/
+#ifndef NOPROTO
+#ifdef SHA2_USE_INTTYPES_H
+
+void SHA256_Init(SHA256_CTX *);
+void SHA256_Update(SHA256_CTX*, const uint8_t*, size_t);
+void SHA256_Final(uint8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
+char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
+char* SHA256_Data(const uint8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
+
+void SHA384_Init(SHA384_CTX*);
+void SHA384_Update(SHA384_CTX*, const uint8_t*, size_t);
+void SHA384_Final(uint8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
+char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
+char* SHA384_Data(const uint8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
+
+void SHA512_Init(SHA512_CTX*);
+void SHA512_Update(SHA512_CTX*, const uint8_t*, size_t);
+void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
+char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
+char* SHA512_Data(const uint8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
+
+#else /* SHA2_USE_INTTYPES_H */
+
+void SHA256_Init(SHA256_CTX *);
+void SHA256_Update(SHA256_CTX*, const u_int8_t*, size_t);
+void SHA256_Final(u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
+char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
+char* SHA256_Data(const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
+
+void SHA384_Init(SHA384_CTX*);
+void SHA384_Update(SHA384_CTX*, const u_int8_t*, size_t);
+void SHA384_Final(u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
+char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
+char* SHA384_Data(const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
+
+void SHA512_Init(SHA512_CTX*);
+void SHA512_Update(SHA512_CTX*, const u_int8_t*, size_t);
+void SHA512_Final(u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
+char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
+char* SHA512_Data(const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
+
+#endif /* SHA2_USE_INTTYPES_H */
+
+#else /* NOPROTO */
+
+void SHA256_Init();
+void SHA256_Update();
+void SHA256_Final();
+char* SHA256_End();
+char* SHA256_Data();
+
+void SHA384_Init();
+void SHA384_Update();
+void SHA384_Final();
+char* SHA384_End();
+char* SHA384_Data();
+
+void SHA512_Init();
+void SHA512_Update();
+void SHA512_Final();
+char* SHA512_End();
+char* SHA512_Data();
+
+#endif /* NOPROTO */
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __SHA2_H__ */
+
+++ /dev/null
-/*
- * Cryptographic API. {{{
- *
- * SHA-512, as specified in
- * http://csrc.nist.gov/cryptval/shs/sha256-384-512.pdf
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- */ /*}}}*/
-
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/sha512.h"
-#endif
-
-#include <apt-pkg/sha512.h>
-#include <apt-pkg/sha2.h>
-#include <apt-pkg/strutl.h>
-
-SHA512Summation::SHA512Summation() /*{{{*/
-{
- SHA512_Init(&ctx);
- Done = false;
-}
- /*}}}*/
-bool SHA512Summation::Add(const unsigned char *inbuf,unsigned long len) /*{{{*/
-{
- if (Done)
- return false;
- SHA512_Update(&ctx, inbuf, len);
- return true;
-}
- /*}}}*/
-SHA512SumValue SHA512Summation::Result() /*{{{*/
-{
- if (!Done) {
- SHA512_Final(Sum, &ctx);
- Done = true;
- }
-
- SHA512SumValue res;
- res.Set(Sum);
- return res;
-}
- /*}}}*/
-// SHA512SumValue::SHA512SumValue - Constructs the sum from a string /*{{{*/
-// ---------------------------------------------------------------------
-/* The string form of a SHA512 is a 64 character hex number */
-SHA512SumValue::SHA512SumValue(string Str)
-{
- memset(Sum,0,sizeof(Sum));
- Set(Str);
-}
- /*}}}*/
-// SHA512SumValue::SHA512SumValue - Default constructor /*{{{*/
-// ---------------------------------------------------------------------
-/* Sets the value to 0 */
-SHA512SumValue::SHA512SumValue()
-{
- memset(Sum,0,sizeof(Sum));
-}
- /*}}}*/
-// SHA512SumValue::Set - Set the sum from a string /*{{{*/
-// ---------------------------------------------------------------------
-/* Converts the hex string into a set of chars */
-bool SHA512SumValue::Set(string Str)
-{
- return Hex2Num(Str,Sum,sizeof(Sum));
-}
- /*}}}*/
-// SHA512SumValue::Value - Convert the number into a string /*{{{*/
-// ---------------------------------------------------------------------
-/* Converts the set of chars into a hex string in lower case */
-string SHA512SumValue::Value() const
-{
- char Conv[16] =
- { '0','1','2','3','4','5','6','7','8','9','a','b',
- 'c','d','e','f'
- };
- char Result[129];
- Result[128] = 0;
-
- // Convert each char into two letters
- int J = 0;
- int I = 0;
- for (; I != 128; J++,I += 2)
- {
- Result[I] = Conv[Sum[J] >> 4];
- Result[I + 1] = Conv[Sum[J] & 0xF];
- }
-
- return string(Result);
-}
- /*}}}*/
-// SHA512SumValue::operator == - Comparator /*{{{*/
-// ---------------------------------------------------------------------
-/* Call memcmp on the buffer */
-bool SHA512SumValue::operator == (const SHA512SumValue & rhs) const
-{
- return memcmp(Sum,rhs.Sum,sizeof(Sum)) == 0;
-}
- /*}}}*/
-// SHA512Summation::AddFD - Add content of file into the checksum /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool SHA512Summation::AddFD(int Fd,unsigned long Size)
-{
- unsigned char Buf[64 * 64];
- int Res = 0;
- int ToEOF = (Size == 0);
- while (Size != 0 || ToEOF)
- {
- unsigned n = sizeof(Buf);
- if (!ToEOF) n = min(Size,(unsigned long)n);
- Res = read(Fd,Buf,n);
- if (Res < 0 || (!ToEOF && (unsigned) Res != n)) // error, or short read
- return false;
- if (ToEOF && Res == 0) // EOF
- break;
- Size -= Res;
- Add(Buf,Res);
- }
- return true;
-}
- /*}}}*/
-
+++ /dev/null
-// -*- mode: cpp; mode: fold -*-
-// Description /*{{{*/
-// $Id: sha512.h,v 1.3 2001/05/07 05:05:47 jgg Exp $
-/* ######################################################################
-
- SHA512SumValue - Storage for a SHA-512 hash.
- SHA512Summation - SHA-512 Secure Hash Algorithm.
-
- This is a C++ interface to a set of SHA512Sum functions, that mirrors
- the equivalent MD5 & SHA1 classes.
-
- ##################################################################### */
- /*}}}*/
-#ifndef APTPKG_SHA512_H
-#define APTPKG_SHA512_H
-
-#include <string>
-#include <cstring>
-#include <algorithm>
-#include <stdint.h>
-
-#include "sha2.h"
-
-using std::string;
-using std::min;
-
-class SHA512Summation;
-
-class SHA512SumValue
-{
- friend class SHA512Summation;
- unsigned char Sum[64];
-
- public:
-
- // Accessors
- bool operator ==(const SHA512SumValue &rhs) const;
- string Value() const;
- inline void Value(unsigned char S[64])
- {for (int I = 0; I != sizeof(Sum); I++) S[I] = Sum[I];};
- inline operator string() const {return Value();};
- bool Set(string Str);
- inline void Set(unsigned char S[64])
- {for (int I = 0; I != sizeof(Sum); I++) Sum[I] = S[I];};
-
- SHA512SumValue(string Str);
- SHA512SumValue();
-};
-
-class SHA512Summation
-{
- SHA512_CTX ctx;
- unsigned char Sum[64];
- bool Done;
-
- public:
-
- bool Add(const unsigned char *inbuf,unsigned long inlen);
- inline bool Add(const char *Data) {return Add((unsigned char *)Data,strlen(Data));};
- bool AddFD(int Fd,unsigned long Size);
- inline bool Add(const unsigned char *Beg,const unsigned char *End)
- {return Add(Beg,End-Beg);};
- SHA512SumValue Result();
-
- SHA512Summation();
-};
-
-#endif
# Source code for the contributed non-core things
SOURCE = contrib/mmap.cc contrib/error.cc contrib/strutl.cc \
contrib/configuration.cc contrib/progress.cc contrib/cmndline.cc \
- contrib/md5.cc contrib/sha1.cc contrib/sha256.cc contrib/sha2.cc \
- contrib/sha512.cc \
+ contrib/md5.cc contrib/sha1.cc contrib/sha2.cc \
+ contrib/sha2_internal.cc\
contrib/hashes.cc \
contrib/cdromutl.cc contrib/crc-16.cc contrib/netrc.cc \
contrib/fileutl.cc
HEADERS = mmap.h error.h configuration.h fileutl.h cmndline.h netrc.h\
- md5.h crc-16.h cdromutl.h strutl.h sptr.h sha1.h sha256.h sha2.h \
- sha512.h\
+ md5.h crc-16.h cdromutl.h strutl.h sptr.h sha1.h sha2.h \
+ sha2_internal.h \
hashes.h \
macros.h weakptr.h
#include <apt-pkg/error.h>
#include <apt-pkg/md5.h>
#include <apt-pkg/sha1.h>
-#include <apt-pkg/sha256.h>
-#include <apt-pkg/sha512.h>
+#include <apt-pkg/sha2.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/md5.h>
#include <apt-pkg/sha1.h>
-#include <apt-pkg/sha256.h>
-#include <apt-pkg/sha512.h>
+#include <apt-pkg/sha2.h>
#include <apt-pkg/deblistparser.h>
#include <sys/types.h>
#include <apt-pkg/md5.h>
#include <apt-pkg/sha1.h>
-#include <apt-pkg/sha256.h>
-#include <apt-pkg/sha512.h>
+#include <apt-pkg/sha2.h>
#include <apt-pkg/strutl.h>
#include <iostream>
projects / apt.git / commitdiff
