bsd/dev/random/fips_sha1.h

   1 /*
   2  * Copyright (c) 2000-2009 Apple, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 /*
  30         WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING!
  31
  32         THIS FILE IS NEEDED TO PASS FIPS ACCEPTANCE FOR THE RANDOM NUMBER GENERATOR.
  33         IF YOU ALTER IT IN ANY WAY, WE WILL NEED TO GO THOUGH FIPS ACCEPTANCE AGAIN,
  34         AN OPERATION THAT IS VERY EXPENSIVE AND TIME CONSUMING.  IN OTHER WORDS,
  35         DON'T MESS WITH THIS FILE.
  36
  37         WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING!
  38 */
  39
  40 #ifndef _CRYPTO_FIPS_SHA1_H_
  41 #define _CRYPTO_FIPS_SHA1_H_
  42
  43 #ifdef  __cplusplus
  44 extern "C" {
  45 #endif
  46
  47 #include <sys/types.h>
  48
  49 #define SHA_DIGEST_LENGTH       20
  50 #define SHA1_RESULTLEN          SHA_DIGEST_LENGTH
  51
  52 typedef struct sha1_ctxt {
  53         union {
  54                 u_int8_t        b8[20];
  55                 u_int32_t       b32[5]; /* state (ABCDE) */
  56         } h;
  57         union {
  58                 u_int8_t        b8[8];
  59                 u_int32_t       b32[2];
  60                 u_int64_t       b64[1]; /* # of bits, modulo 2^64 (msb first) */
  61         } c;
  62         union {
  63                 u_int8_t        b8[64];
  64                 u_int32_t       b32[16]; /* input buffer */
  65         } m;
  66         u_int8_t        count;          /* unused; for compatibility only */
  67 } SHA1_CTX;
  68
  69 extern void FIPS_SHA1Init(SHA1_CTX *);
  70 extern void FIPS_SHA1Update(SHA1_CTX *, const void *, size_t);
  71 extern void FIPS_SHA1Final(void *, SHA1_CTX *);
  72
  73 #ifdef  __cplusplus
  74 }
  75 #endif
  76
  77 #endif /*_CRYPTO_SHA1_H_*/