1 /* 2 * Copyright (C) 2017 - This file is part of libecc project 3 * 4 * Authors: 5 * Ryad BENADJILA <ryadbenadjila@gmail.com> 6 * Arnaud EBALARD <arnaud.ebalard@ssi.gouv.fr> 7 * Jean-Pierre FLORI <jean-pierre.flori@ssi.gouv.fr> 8 * 9 * Contributors: 10 * Nicolas VIVET <nicolas.vivet@ssi.gouv.fr> 11 * Karim KHALFALLAH <karim.khalfallah@ssi.gouv.fr> 12 * 13 * This software is licensed under a dual BSD and GPL v2 license. 14 * See LICENSE file at the root folder of the project. 15 */ 16 #include <libecc/lib_ecc_config.h> 17 #ifdef WITH_HASH_SHA512 18 19 #ifndef __SHA512_H__ 20 #define __SHA512_H__ 21 22 #include <libecc/words/words.h> 23 #include <libecc/utils/utils.h> 24 #include <libecc/hash/sha2.h> 25 #include <libecc/hash/sha512_core.h> 26 27 #define SHA512_STATE_SIZE SHA512_CORE_STATE_SIZE 28 #define SHA512_BLOCK_SIZE SHA512_CORE_BLOCK_SIZE 29 #define SHA512_DIGEST_SIZE SHA512_CORE_DIGEST_SIZE 30 #define SHA512_DIGEST_SIZE_BITS 512 31 32 /* Compute max hash digest and block sizes */ 33 #ifndef MAX_DIGEST_SIZE 34 #define MAX_DIGEST_SIZE 0 35 #endif 36 #if (MAX_DIGEST_SIZE < SHA512_DIGEST_SIZE) 37 #undef MAX_DIGEST_SIZE 38 #define MAX_DIGEST_SIZE SHA512_DIGEST_SIZE 39 #endif 40 41 #ifndef MAX_DIGEST_SIZE_BITS 42 #define MAX_DIGEST_SIZE_BITS 0 43 #endif 44 #if (MAX_DIGEST_SIZE_BITS < SHA512_DIGEST_SIZE_BITS) 45 #undef MAX_DIGEST_SIZE_BITS 46 #define MAX_DIGEST_SIZE_BITS SHA512_DIGEST_SIZE_BITS 47 #endif 48 49 #ifndef MAX_BLOCK_SIZE 50 #define MAX_BLOCK_SIZE 0 51 #endif 52 #if (MAX_BLOCK_SIZE < SHA512_BLOCK_SIZE) 53 #undef MAX_BLOCK_SIZE 54 #define MAX_BLOCK_SIZE SHA512_BLOCK_SIZE 55 #endif 56 57 #define SHA512_HASH_MAGIC ((word_t)(0x5539012b32097312ULL)) 58 #define SHA512_HASH_CHECK_INITIALIZED(A, ret, err) \ 59 MUST_HAVE((((void *)(A)) != NULL) && ((A)->magic == SHA512_HASH_MAGIC), ret, err) 60 61 typedef sha512_core_context sha512_context; 62 63 ATTRIBUTE_WARN_UNUSED_RET int sha512_init(sha512_context *ctx); 64 ATTRIBUTE_WARN_UNUSED_RET int sha512_update(sha512_context *ctx, const u8 *input, u32 ilen); 65 ATTRIBUTE_WARN_UNUSED_RET int sha512_final(sha512_context *ctx, u8 output[SHA512_DIGEST_SIZE]); 66 ATTRIBUTE_WARN_UNUSED_RET int sha512_scattered(const u8 **inputs, const u32 *ilens, 67 u8 output[SHA512_DIGEST_SIZE]); 68 ATTRIBUTE_WARN_UNUSED_RET int sha512(const u8 *input, u32 ilen, u8 output[SHA512_DIGEST_SIZE]); 69 70 #endif /* __SHA512_H__ */ 71 #endif /* WITH_HASH_SHA512 */ 72