+++ /dev/null
-/*
- * Copyright (c) 2000-2001,2005-2007,2010-2011 Apple Inc. All Rights Reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-
-/*
- * tls_digest.c - Hash implementations
- */
-
-/* THIS FILE CONTAINS KERNEL CODE */
-
-#include "tls_digest.h"
-#include "sslTypes.h"
-
-#include <string.h>
-
-#define DIGEST_PRINT 0
-#if DIGEST_PRINT
-#define dgprintf(s) printf s
-#else
-#define dgprintf(s)
-#endif
-
-const uint8_t SSLMACPad1[MAX_MAC_PADDING] =
-{
- 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36,
- 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36,
- 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36,
- 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36,
- 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36,
- 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36
-};
-
-const uint8_t SSLMACPad2[MAX_MAC_PADDING] =
-{
- 0x5C,0x5C,0x5C,0x5C,0x5C,0x5C,0x5C,0x5C,
- 0x5C,0x5C,0x5C,0x5C,0x5C,0x5C,0x5C,0x5C,
- 0x5C,0x5C,0x5C,0x5C,0x5C,0x5C,0x5C,0x5C,
- 0x5C,0x5C,0x5C,0x5C,0x5C,0x5C,0x5C,0x5C,
- 0x5C,0x5C,0x5C,0x5C,0x5C,0x5C,0x5C,0x5C,
- 0x5C,0x5C,0x5C,0x5C,0x5C,0x5C,0x5C,0x5C
-};
-
-/*** NULL ***/
-static int HashNullInit(SSLBuffer *digestCtx) {
- return 0;
-}
-static int HashNullUpdate(SSLBuffer *digestCtx, const SSLBuffer *data) {
- return 0;
-}
-static int HashNullFinal(SSLBuffer *digestCtx, SSLBuffer *digest) {
- return 0;
-}
-static int HashNullClose(SSLBuffer *digestCtx) {
- return 0;
-}
-static int HashNullClone(const SSLBuffer *src, SSLBuffer *dest) {
- return 0;
-}
-
-#ifdef KERNEL
-
-// Kernel based implementation
-#include <corecrypto/ccdigest.h>
-#include <corecrypto/ccmd5.h>
-#include <corecrypto/ccsha1.h>
-#include <corecrypto/ccsha2.h>
-#include <AssertMacros.h>
-
-static int ccHashInit(const struct ccdigest_info *di, SSLBuffer *digestCtx)
-{
- ccdigest_ctx_t ctx = (ccdigest_ctx_t)(struct ccdigest_ctx *)digestCtx->data;
- check(digestCtx->length >= ccdigest_di_size(di));
- ccdigest_init(di, ctx);
- return 0;
-}
-
-static int ccHashUpdate(const struct ccdigest_info *di, SSLBuffer *digestCtx, const SSLBuffer *data)
-{
- /* 64 bits cast: safe, SSL records are always smaller than 2^32 bytes */
- ccdigest_ctx_t ctx = (ccdigest_ctx_t)(struct ccdigest_ctx *)digestCtx->data;
- check(digestCtx->length >= ccdigest_di_size(di));
- ccdigest_update(di, ctx, data->length, data->data);
- return 0;
-}
-
-static int ccHashFinal(const struct ccdigest_info *di, SSLBuffer *digestCtx, SSLBuffer *digest)
-{
- ccdigest_ctx_t ctx = (ccdigest_ctx_t)(struct ccdigest_ctx *)digestCtx->data;
- check(digestCtx->length >= ccdigest_di_size(di));
- check(digest->length >= di->output_size);
- ccdigest_final(di, ctx, digest->data);
- digest->length = di->output_size;
- return 0;
-}
-
-static int ccHashClose(const struct ccdigest_info *di, SSLBuffer *digestCtx)
-{
- check(digestCtx->length >= ccdigest_di_size(di));
- return 0;
-}
-
-static int ccHashClone(const struct ccdigest_info *di, const SSLBuffer *src, SSLBuffer *dst)
-{
- check(src->length >= ccdigest_di_size(di));
- check(dst->length >= ccdigest_di_size(di));
- memcpy(dst->data, src->data, ccdigest_di_size(di));
- return 0;
-
-}
-
-#define SSL_MD5_DIGEST_LENGTH (CCMD5_OUTPUT_SIZE)
-#define SSL_SHA1_DIGEST_LENGTH (CCSHA1_OUTPUT_SIZE)
-#define SSL_SHA256_DIGEST_LENGTH (CCSHA256_OUTPUT_SIZE)
-#define SSL_SHA384_DIGEST_LENGTH (CCSHA384_OUTPUT_SIZE)
-
-#define SSL_MD5_CONTEXT_SIZE (ccdigest_ctx_size(CCMD5_STATE_SIZE, CCMD5_BLOCK_SIZE))
-#define SSL_SHA1_CONTEXT_SIZE (ccdigest_ctx_size(CCSHA1_STATE_SIZE, CCSHA1_BLOCK_SIZE))
-#define SSL_SHA256_CONTEXT_SIZE (ccdigest_ctx_size(CCSHA256_STATE_SIZE, CCSHA256_BLOCK_SIZE))
-#define SSL_SHA384_CONTEXT_SIZE (ccdigest_ctx_size(CCSHA512_STATE_SIZE, CCSHA512_BLOCK_SIZE))
-
-#define SSL_SHA256_BLOCK_BYTES CCSHA256_BLOCK_SIZE
-#define SSL_SHA384_BLOCK_BYTES CCSHA512_BLOCK_SIZE
-
-/*** MD5 ***/
-static int HashMD5Init(SSLBuffer *digestCtx)
-{
- return ccHashInit(ccmd5_di(), digestCtx);
-}
-
-static int HashMD5Update(SSLBuffer *digestCtx, const SSLBuffer *data)
-{
- return ccHashUpdate(ccmd5_di(), digestCtx, data);
-}
-
-static int HashMD5Final(SSLBuffer *digestCtx, SSLBuffer *digest)
-{
- return ccHashFinal(ccmd5_di(), digestCtx, digest);
-}
-
-static int HashMD5Close(SSLBuffer *digestCtx)
-{
- return ccHashClose(ccmd5_di(), digestCtx);
-}
-
-static int HashMD5Clone(const SSLBuffer *src, SSLBuffer *dst)
-{
- return ccHashClone(ccmd5_di(), src, dst);
-}
-
-/*** SHA1 ***/
-static int HashSHA1Init(SSLBuffer *digestCtx)
-{
- return ccHashInit(ccsha1_di(), digestCtx);
-}
-
-static int HashSHA1Update(SSLBuffer *digestCtx, const SSLBuffer *data)
-{
- return ccHashUpdate(ccsha1_di(), digestCtx, data);
-}
-
-static int HashSHA1Final(SSLBuffer *digestCtx, SSLBuffer *digest)
-{
- return ccHashFinal(ccsha1_di(), digestCtx, digest);
-}
-
-static int HashSHA1Close(SSLBuffer *digestCtx)
-{
- return ccHashClose(ccsha1_di(), digestCtx);}
-
-static int HashSHA1Clone(const SSLBuffer *src, SSLBuffer *dst)
-{
- return ccHashClone(ccsha1_di(), src, dst);
-}
-
-/*** SHA256 ***/
-static int HashSHA256Init(SSLBuffer *digestCtx)
-{
- return ccHashInit(ccsha256_di(), digestCtx);
-}
-
-static int HashSHA256Update(SSLBuffer *digestCtx, const SSLBuffer *data)
-{
- return ccHashUpdate(ccsha256_di(), digestCtx, data);
-}
-
-static int HashSHA256Final(SSLBuffer *digestCtx, SSLBuffer *digest)
-{
- return ccHashFinal(ccsha256_di(), digestCtx, digest);
-}
-
-static int HashSHA256Close(SSLBuffer *digestCtx)
-{
- return ccHashClose(ccsha256_di(), digestCtx);
-}
-
-static int HashSHA256Clone(const SSLBuffer *src, SSLBuffer *dst)
-{
- return ccHashClone(ccsha256_di(), src, dst);
-}
-
-/*** SHA384 ***/
-static int HashSHA384Init(SSLBuffer *digestCtx)
-{
- return ccHashInit(ccsha384_di(), digestCtx);
-}
-
-static int HashSHA384Update(SSLBuffer *digestCtx, const SSLBuffer *data)
-{
- return ccHashUpdate(ccsha384_di(), digestCtx, data);
-}
-
-static int HashSHA384Final(SSLBuffer *digestCtx, SSLBuffer *digest)
-{
- return ccHashFinal(ccsha384_di(), digestCtx, digest);
-}
-
-static int HashSHA384Close(SSLBuffer *digestCtx)
-{
- return ccHashClose(ccsha384_di(), digestCtx);
-}
-
-static int HashSHA384Clone(const SSLBuffer *src, SSLBuffer *dst)
-{
- return ccHashClone(ccsha384_di(), src, dst);
-}
-
-#else
-
-// CommonCrypto based implementation
-#include <CommonCrypto/CommonDigest.h>
-#include <assert.h>
-
-#define SSL_MD5_DIGEST_LENGTH CC_MD5_DIGEST_LENGTH
-#define SSL_SHA1_DIGEST_LENGTH CC_SHA1_DIGEST_LENGTH
-#define SSL_SHA256_DIGEST_LENGTH CC_SHA256_DIGEST_LENGTH
-#define SSL_SHA384_DIGEST_LENGTH CC_SHA384_DIGEST_LENGTH
-
-#define SSL_MD5_CONTEXT_SIZE (sizeof(CC_MD5_CTX))
-#define SSL_SHA1_CONTEXT_SIZE (sizeof(CC_SHA1_CTX))
-#define SSL_SHA256_CONTEXT_SIZE (sizeof(CC_SHA256_CTX))
-#define SSL_SHA384_CONTEXT_SIZE (sizeof(CC_SHA512_CTX))
-
-#define SSL_SHA256_BLOCK_BYTES CC_SHA256_BLOCK_BYTES
-#define SSL_SHA384_BLOCK_BYTES CC_SHA512_BLOCK_BYTES
-
-/*** MD5 ***/
-static int HashMD5Init(SSLBuffer *digestCtx)
-{
- assert(digestCtx->length >= sizeof(CC_MD5_CTX));
- CC_MD5_CTX *ctx = (CC_MD5_CTX *)digestCtx->data;
- CC_MD5_Init(ctx);
- dgprintf(("###HashMD5Init ctx %p\n", ctx));
- return 0;
-}
-
-static int HashMD5Update(SSLBuffer *digestCtx, const SSLBuffer *data)
-{
- /* 64 bits cast: safe, SSL records are always smaller than 2^32 bytes */
- assert(digestCtx->length >= sizeof(CC_MD5_CTX));
- CC_MD5_CTX *ctx = (CC_MD5_CTX *)digestCtx->data;
- CC_MD5_Update(ctx, data->data, (CC_LONG)data->length);
- return 0;
-}
-
-static int HashMD5Final(SSLBuffer *digestCtx, SSLBuffer *digest)
-{
- assert(digestCtx->length >= sizeof(CC_MD5_CTX));
- CC_MD5_CTX *ctx = (CC_MD5_CTX *)digestCtx->data;
- dgprintf(("###HashMD5Final ctx %p\n", ctx));
- assert(digest->length >= CC_MD5_DIGEST_LENGTH);
- //if (digest->length < CC_MD5_DIGEST_LENGTH)
- // return errSSLCrypto;
- CC_MD5_Final(digest->data, ctx);
- digest->length = CC_MD5_DIGEST_LENGTH;
- return 0;
-}
-
-static int HashMD5Close(SSLBuffer *digestCtx)
-{
- assert(digestCtx->length >= sizeof(CC_MD5_CTX));
- return 0;
-}
-
-static int HashMD5Clone(const SSLBuffer *src, SSLBuffer *dst)
-{
- CC_MD5_CTX *srcCtx;
- CC_MD5_CTX *dstCtx;
-
- assert(src->length >= sizeof(CC_MD5_CTX));
- assert(dst->length >= sizeof(CC_MD5_CTX));
-
- srcCtx = (CC_MD5_CTX *)src->data;
- dstCtx = (CC_MD5_CTX *)dst->data;
- dgprintf(("###HashMD5Clone srcCtx %p dstCtx %p\n", srcCtx, dstCtx));
-
- memcpy(dstCtx, srcCtx, sizeof(CC_MD5_CTX));
- return 0;
-}
-
-/*** SHA1 ***/
-static int HashSHA1Init(SSLBuffer *digestCtx)
-{
- assert(digestCtx->length >= sizeof(CC_SHA1_CTX));
- CC_SHA1_CTX *ctx = (CC_SHA1_CTX *)digestCtx->data;
- CC_SHA1_Init(ctx);
- dgprintf(("###HashSHA1Init ctx %p\n", ctx));
- return 0;
-}
-
-static int HashSHA1Update(SSLBuffer *digestCtx, const SSLBuffer *data)
-{
- /* 64 bits cast: safe, SSL records are always smaller than 2^32 bytes */
- assert(digestCtx->length >= sizeof(CC_SHA1_CTX));
- CC_SHA1_CTX *ctx = (CC_SHA1_CTX *)digestCtx->data;
- CC_SHA1_Update(ctx, data->data, (CC_LONG)data->length);
- return 0;
-}
-
-static int HashSHA1Final(SSLBuffer *digestCtx, SSLBuffer *digest)
-{
- assert(digestCtx->length >= sizeof(CC_SHA1_CTX));
- CC_SHA1_CTX *ctx = (CC_SHA1_CTX *)digestCtx->data;
- dgprintf(("###HashSHA1Final ctx %p\n", ctx));
- assert(digest->length >= CC_SHA1_DIGEST_LENGTH);
- //if (digest->length < CC_SHA1_DIGEST_LENGTH)
- // return errSSLCrypto;
- CC_SHA1_Final(digest->data, ctx);
- digest->length = CC_SHA1_DIGEST_LENGTH;
- return 0;
-}
-
-static int HashSHA1Close(SSLBuffer *digestCtx)
-{
- assert(digestCtx->length >= sizeof(CC_SHA1_CTX));
- return 0;
-}
-
-static int HashSHA1Clone(const SSLBuffer *src, SSLBuffer *dst)
-{
- CC_SHA1_CTX *srcCtx;
- CC_SHA1_CTX *dstCtx;
-
- assert(src->length >= sizeof(CC_SHA1_CTX));
- assert(dst->length >= sizeof(CC_SHA1_CTX));
-
- srcCtx = (CC_SHA1_CTX *)src->data;
- dstCtx = (CC_SHA1_CTX *)dst->data;
- dgprintf(("###HashSHA1Clone srcCtx %p dstCtx %p\n", srcCtx, dstCtx));
-
- memcpy(dstCtx, srcCtx, sizeof(CC_SHA1_CTX));
- return 0;
-}
-
-/*** SHA256 ***/
-static int HashSHA256Init(SSLBuffer *digestCtx)
-{
- assert(digestCtx->length >= sizeof(CC_SHA256_CTX));
- CC_SHA256_CTX *ctx = (CC_SHA256_CTX *)digestCtx->data;
- CC_SHA256_Init(ctx);
- dgprintf(("###HashSHA256Init ctx %p\n", ctx));
- return 0;
-}
-
-static int HashSHA256Update(SSLBuffer *digestCtx, const SSLBuffer *data)
-{
- /* 64 bits cast: safe, SSL records are always smaller than 2^32 bytes */
- assert(digestCtx->length >= sizeof(CC_SHA256_CTX));
- CC_SHA256_CTX *ctx = (CC_SHA256_CTX *)digestCtx->data;
- CC_SHA256_Update(ctx, data->data, (CC_LONG)data->length);
- return 0;
-}
-
-static int HashSHA256Final(SSLBuffer *digestCtx, SSLBuffer *digest)
-{
- assert(digestCtx->length >= sizeof(CC_SHA256_CTX));
- CC_SHA256_CTX *ctx = (CC_SHA256_CTX *)digestCtx->data;
- dgprintf(("###HashSHA256Final ctx %p\n", ctx));
- assert(digest->length >= CC_SHA256_DIGEST_LENGTH);
- //if (digest->length < CC_SHA256_DIGEST_LENGTH)
- // return errSSLCrypto;
- CC_SHA256_Final(digest->data, ctx);
- digest->length = CC_SHA256_DIGEST_LENGTH;
- return 0;
-}
-
-static int HashSHA256Close(SSLBuffer *digestCtx)
-{
- assert(digestCtx->length >= sizeof(CC_SHA256_CTX));
- return 0;
-}
-
-static int HashSHA256Clone(const SSLBuffer *src, SSLBuffer *dst)
-{
- CC_SHA256_CTX *srcCtx;
- CC_SHA256_CTX *dstCtx;
-
- assert(src->length >= sizeof(CC_SHA256_CTX));
- assert(dst->length >= sizeof(CC_SHA256_CTX));
-
- srcCtx = (CC_SHA256_CTX *)src->data;
- dstCtx = (CC_SHA256_CTX *)dst->data;
- dgprintf(("###HashSHA256Clone srcCtx %p dstCtx %p\n", srcCtx, dstCtx));
-
- memcpy(dstCtx, srcCtx, sizeof(CC_SHA256_CTX));
- return 0;
-}
-
-/*** SHA384 ***/
-static int HashSHA384Init(SSLBuffer *digestCtx)
-{
- assert(digestCtx->length >= sizeof(CC_SHA512_CTX));
- CC_SHA512_CTX *ctx = (CC_SHA512_CTX *)digestCtx->data;
- CC_SHA384_Init(ctx);
- dgprintf(("###HashSHA384Init ctx %p\n", ctx));
- return 0;
-}
-
-static int HashSHA384Update(SSLBuffer *digestCtx, const SSLBuffer *data)
-{
- /* 64 bits cast: safe, SSL records are always smaller than 2^32 bytes */
- assert(digestCtx->length >= sizeof(CC_SHA512_CTX));
- CC_SHA512_CTX *ctx = (CC_SHA512_CTX *)digestCtx->data;
- CC_SHA384_Update(ctx, data->data, (CC_LONG)data->length);
- return 0;
-}
-
-static int HashSHA384Final(SSLBuffer *digestCtx, SSLBuffer *digest)
-{
- assert(digestCtx->length >= sizeof(CC_SHA512_CTX));
- CC_SHA512_CTX *ctx = (CC_SHA512_CTX *)digestCtx->data;
- dgprintf(("###HashSHA384Final ctx %p\n", ctx));
- assert(digest->length >= CC_SHA384_DIGEST_LENGTH);
- //if (digest->length < CC_SHA384_DIGEST_LENGTH)
- // return errSSLCrypto;
- CC_SHA384_Final(digest->data, ctx);
- digest->length = CC_SHA384_DIGEST_LENGTH;
- return 0;
-}
-
-static int HashSHA384Close(SSLBuffer *digestCtx)
-{
- assert(digestCtx->length >= sizeof(CC_SHA512_CTX));
- return 0;
-}
-
-static int HashSHA384Clone(const SSLBuffer *src, SSLBuffer *dst)
-{
- CC_SHA512_CTX *srcCtx;
- CC_SHA512_CTX *dstCtx;
-
- assert(src->length >= sizeof(CC_SHA512_CTX));
- assert(dst->length >= sizeof(CC_SHA512_CTX));
-
- srcCtx = (CC_SHA512_CTX *)src->data;
- dstCtx = (CC_SHA512_CTX *)dst->data;
- dgprintf(("###HashSHA384Clone srcCtx %p dstCtx %p\n", srcCtx, dstCtx));
-
- memcpy(dstCtx, srcCtx, sizeof(CC_SHA512_CTX));
- return 0;
-}
-
-#endif
-
-/*
- * These are the handles by which the bulk of digesting work
- * is done.
- */
-const HashReference SSLHashNull =
-{
- 0,
- 0,
- 0,
- HashNullInit,
- HashNullUpdate,
- HashNullFinal,
- HashNullClose,
- HashNullClone
-};
-
-const HashReference SSLHashMD5 =
-{
- SSL_MD5_DIGEST_LENGTH,
- 48,
- SSL_MD5_CONTEXT_SIZE,
- HashMD5Init,
- HashMD5Update,
- HashMD5Final,
- HashMD5Close,
- HashMD5Clone
-};
-
-const HashReference SSLHashSHA1 =
-{
- SSL_SHA1_DIGEST_LENGTH,
- 40,
- SSL_SHA1_CONTEXT_SIZE,
- HashSHA1Init,
- HashSHA1Update,
- HashSHA1Final,
- HashSHA1Close,
- HashSHA1Clone
-};
-
-const HashReference SSLHashSHA256 =
-{
- SSL_SHA256_DIGEST_LENGTH,
- SSL_SHA256_BLOCK_BYTES,
- SSL_SHA256_CONTEXT_SIZE,
- HashSHA256Init,
- HashSHA256Update,
- HashSHA256Final,
- HashSHA256Close,
- HashSHA256Clone
-};
-
-const HashReference SSLHashSHA384 =
-{
- SSL_SHA384_DIGEST_LENGTH,
- SSL_SHA384_BLOCK_BYTES,
- SSL_SHA384_CONTEXT_SIZE,
- HashSHA384Init,
- HashSHA384Update,
- HashSHA384Final,
- HashSHA384Close,
- HashSHA384Clone
-};
projects / apple / security.git / blobdiff