1 /* 2 * Copyright (C) 2022 - 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 * 8 * This software is licensed under a dual BSD and GPL v2 license. 9 * See LICENSE file at the root folder of the project. 10 */ 11 #include <libecc/lib_ecc_config.h> 12 #ifdef WITH_HASH_BASH224 13 14 #ifndef __BASH224_H__ 15 #define __BASH224_H__ 16 17 #include <libecc/words/words.h> 18 #include <libecc/utils/utils.h> 19 #include <libecc/hash/bash.h> 20 21 #define BASH224_BLOCK_SIZE 136 22 #define BASH224_DIGEST_SIZE 28 23 #define BASH224_DIGEST_SIZE_BITS 224 24 25 /* Compute max hash digest and block sizes */ 26 #ifndef MAX_DIGEST_SIZE 27 #define MAX_DIGEST_SIZE 0 28 #endif 29 #if (MAX_DIGEST_SIZE < BASH224_DIGEST_SIZE) 30 #undef MAX_DIGEST_SIZE 31 #define MAX_DIGEST_SIZE BASH224_DIGEST_SIZE 32 #endif 33 34 #ifndef MAX_DIGEST_SIZE_BITS 35 #define MAX_DIGEST_SIZE_BITS 0 36 #endif 37 #if (MAX_DIGEST_SIZE_BITS < BASH224_DIGEST_SIZE_BITS) 38 #undef MAX_DIGEST_SIZE_BITS 39 #define MAX_DIGEST_SIZE_BITS BASH224_DIGEST_SIZE_BITS 40 #endif 41 42 #ifndef MAX_BLOCK_SIZE 43 #define MAX_BLOCK_SIZE 0 44 #endif 45 #if (MAX_BLOCK_SIZE < BASH224_BLOCK_SIZE) 46 #undef MAX_BLOCK_SIZE 47 #define MAX_BLOCK_SIZE BASH224_BLOCK_SIZE 48 #endif 49 50 #define BASH224_HASH_MAGIC ((word_t)(0xaf3456ff1200ba5bULL)) 51 #define BASH224_HASH_CHECK_INITIALIZED(A, ret, err) \ 52 MUST_HAVE((((void *)(A)) != NULL) && ((A)->magic == BASH224_HASH_MAGIC), ret, err) 53 54 typedef bash_context bash224_context; 55 56 ATTRIBUTE_WARN_UNUSED_RET int bash224_init(bash224_context *ctx); 57 ATTRIBUTE_WARN_UNUSED_RET int bash224_update(bash224_context *ctx, const u8 *input, u32 ilen); 58 ATTRIBUTE_WARN_UNUSED_RET int bash224_final(bash224_context *ctx, u8 output[BASH224_DIGEST_SIZE]); 59 ATTRIBUTE_WARN_UNUSED_RET int bash224_scattered(const u8 **inputs, const u32 *ilens, 60 u8 output[BASH224_DIGEST_SIZE]); 61 ATTRIBUTE_WARN_UNUSED_RET int bash224(const u8 *input, u32 ilen, u8 output[BASH224_DIGEST_SIZE]); 62 63 #endif /* __BASH224_H__ */ 64 #endif /* WITH_HASH_BASH224 */ 65