1/* 2 * Copyright (c) 2012 Apple Computer, 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#include <libkern/crypto/crypto_internal.h> 30#include <libkern/crypto/sha2.h> 31#include <kern/debug.h> 32#include <corecrypto/ccdigest.h> 33 34void SHA256_Init(SHA256_CTX *ctx) 35{ 36 const struct ccdigest_info *di; 37 di=g_crypto_funcs->ccsha256_di; 38 39 /* Make sure the context size for the digest info fits in the one we have */ 40 if(ccdigest_di_size(di)>sizeof(SHA256_CTX)) 41 panic("%s: inconsistent size for SHA256 context", __FUNCTION__); 42 43 g_crypto_funcs->ccdigest_init_fn(di, ctx->ctx); 44} 45 46void SHA256_Update(SHA256_CTX *ctx, const void *data, size_t len) 47{ 48 const struct ccdigest_info *di; 49 di=g_crypto_funcs->ccsha256_di; 50 51 g_crypto_funcs->ccdigest_update_fn(di, ctx->ctx, len, data); 52} 53 54void SHA256_Final(void *digest, SHA256_CTX *ctx) 55{ 56 const struct ccdigest_info *di; 57 di=g_crypto_funcs->ccsha256_di; 58 59 ccdigest_final(di, ctx->ctx, digest); 60} 61 62void SHA384_Init(SHA384_CTX *ctx) 63{ 64 const struct ccdigest_info *di; 65 di=g_crypto_funcs->ccsha384_di; 66 67 /* Make sure the context size for the digest info fits in the one we have */ 68 if(ccdigest_di_size(di)>sizeof(SHA384_CTX)) 69 panic("%s: inconsistent size for SHA384 context", __FUNCTION__); 70 71 g_crypto_funcs->ccdigest_init_fn(di, ctx->ctx); 72} 73 74void SHA384_Update(SHA384_CTX *ctx, const void *data, size_t len) 75{ 76 const struct ccdigest_info *di; 77 di=g_crypto_funcs->ccsha384_di; 78 79 g_crypto_funcs->ccdigest_update_fn(di, ctx->ctx, len, data); 80} 81 82 83void SHA384_Final(void *digest, SHA384_CTX *ctx) 84{ 85 const struct ccdigest_info *di; 86 di=g_crypto_funcs->ccsha512_di; 87 88 ccdigest_final(di, ctx->ctx, digest); 89} 90 91void SHA512_Init(SHA512_CTX *ctx) 92{ 93 const struct ccdigest_info *di; 94 di=g_crypto_funcs->ccsha512_di; 95 96 /* Make sure the context size for the digest info fits in the one we have */ 97 if(ccdigest_di_size(di)>sizeof(SHA512_CTX)) 98 panic("%s: inconsistent size for SHA512 context", __FUNCTION__); 99 100 g_crypto_funcs->ccdigest_init_fn(di, ctx->ctx); 101} 102 103void SHA512_Update(SHA512_CTX *ctx, const void *data, size_t len) 104{ 105 const struct ccdigest_info *di; 106 di=g_crypto_funcs->ccsha512_di; 107 108 g_crypto_funcs->ccdigest_update_fn(di, ctx->ctx, len, data); 109} 110 111void SHA512_Final(void *digest, SHA512_CTX *ctx) 112{ 113 const struct ccdigest_info *di; 114 di=g_crypto_funcs->ccsha512_di; 115 116 ccdigest_final(di, ctx->ctx, digest); 117} 118