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#ifndef _CRYPTO_SHA2_H__ 30#define _CRYPTO_SHA2_H__ 31 32#ifdef __cplusplus 33extern "C" { 34#endif 35 36#include <corecrypto/ccsha2.h> 37 38/*** SHA-256/384/512 Various Length Definitions ***********************/ 39#define SHA256_BLOCK_LENGTH CCSHA256_BLOCK_SIZE 40#define SHA256_DIGEST_LENGTH CCSHA256_OUTPUT_SIZE 41#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1) 42#define SHA384_BLOCK_LENGTH CCSHA512_BLOCK_SIZE 43#define SHA384_DIGEST_LENGTH CCSHA512_OUTPUT_SIZE 44#define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1) 45#define SHA512_BLOCK_LENGTH CCSHA512_BLOCK_SIZE 46#define SHA512_DIGEST_LENGTH CCSHA512_OUTPUT_SIZE 47#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1) 48 49typedef struct { 50 ccdigest_ctx_decl(CCSHA256_STATE_SIZE, CCSHA256_BLOCK_SIZE, ctx); 51} SHA256_CTX; 52 53typedef struct SHA512_CTX { 54 ccdigest_ctx_decl(CCSHA512_STATE_SIZE, CCSHA512_BLOCK_SIZE, ctx); 55} SHA512_CTX; 56 57typedef SHA512_CTX SHA384_CTX; 58 59/*** SHA-256/384/512 Function Prototypes ******************************/ 60 61void SHA256_Init(SHA256_CTX *ctx); 62void SHA256_Update(SHA256_CTX *ctx, const void *data, size_t len); 63void SHA256_Final(void *digest, SHA256_CTX *ctx); 64 65void SHA384_Init(SHA384_CTX *ctx); 66void SHA384_Update(SHA384_CTX *ctx, const void *data, size_t len); 67void SHA384_Final(void *digest, SHA384_CTX *ctx); 68 69void SHA512_Init(SHA512_CTX *ctx); 70void SHA512_Update(SHA512_CTX *ctx, const void *data, size_t len); 71void SHA512_Final(void *digest, SHA512_CTX *ctx); 72 73#ifdef __cplusplus 74} 75#endif /* __cplusplus */ 76 77#endif /* _CRYPTO_SHA2_H__ */ 78