/* * copyright (c) 2012 apple computer, inc. all rights reserved. * * @apple_osreference_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. the rights granted to you under the license * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an apple operating system software license agreement. * * 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_osreference_license_header_end@ */ #ifndef _CRYPTO_SHA2_H__ #define _CRYPTO_SHA2_H__ #ifdef __cplusplus extern "C" { #endif #include <corecrypto/ccsha2.h> /*** SHA-256/384/512 Various Length Definitions ***********************/ #define SHA256_BLOCK_LENGTH CCSHA256_BLOCK_SIZE #define SHA256_DIGEST_LENGTH CCSHA256_OUTPUT_SIZE #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1) #define SHA384_BLOCK_LENGTH CCSHA512_BLOCK_SIZE #define SHA384_DIGEST_LENGTH CCSHA384_OUTPUT_SIZE #define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1) #define SHA512_BLOCK_LENGTH CCSHA512_BLOCK_SIZE #define SHA512_DIGEST_LENGTH CCSHA512_OUTPUT_SIZE #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1) typedef struct { ccdigest_ctx_decl(CCSHA256_STATE_SIZE, CCSHA256_BLOCK_SIZE, ctx); } SHA256_CTX; typedef struct SHA512_CTX { ccdigest_ctx_decl(CCSHA512_STATE_SIZE, CCSHA512_BLOCK_SIZE, ctx); } SHA512_CTX; typedef SHA512_CTX SHA384_CTX; /*** SHA-256/384/512 Function Prototypes ******************************/ void SHA256_Init(SHA256_CTX *ctx); void SHA256_Update(SHA256_CTX *ctx, const void *data, size_t len); void SHA256_Final(void *digest, SHA256_CTX *ctx); void SHA384_Init(SHA384_CTX *ctx); void SHA384_Update(SHA384_CTX *ctx, const void *data, size_t len); void SHA384_Final(void *digest, SHA384_CTX *ctx); void SHA512_Init(SHA512_CTX *ctx); void SHA512_Update(SHA512_CTX *ctx, const void *data, size_t len); void SHA512_Final(void *digest, SHA512_CTX *ctx); #ifdef __cplusplus } #endif /* __cplusplus */ #endif /* _CRYPTO_SHA2_H__ */