1*f0865ec9SKyle Evans /* 2*f0865ec9SKyle Evans * Copyright (C) 2022 - This file is part of libecc project 3*f0865ec9SKyle Evans * 4*f0865ec9SKyle Evans * Authors: 5*f0865ec9SKyle Evans * Ryad BENADJILA <ryadbenadjila@gmail.com> 6*f0865ec9SKyle Evans * Arnaud EBALARD <arnaud.ebalard@ssi.gouv.fr> 7*f0865ec9SKyle Evans * 8*f0865ec9SKyle Evans * This software is licensed under a dual BSD and GPL v2 license. 9*f0865ec9SKyle Evans * See LICENSE file at the root folder of the project. 10*f0865ec9SKyle Evans */ 11*f0865ec9SKyle Evans #include <libecc/lib_ecc_config.h> 12*f0865ec9SKyle Evans #ifdef WITH_HASH_BASH224 13*f0865ec9SKyle Evans 14*f0865ec9SKyle Evans #ifndef __BASH224_H__ 15*f0865ec9SKyle Evans #define __BASH224_H__ 16*f0865ec9SKyle Evans 17*f0865ec9SKyle Evans #include <libecc/words/words.h> 18*f0865ec9SKyle Evans #include <libecc/utils/utils.h> 19*f0865ec9SKyle Evans #include <libecc/hash/bash.h> 20*f0865ec9SKyle Evans 21*f0865ec9SKyle Evans #define BASH224_BLOCK_SIZE 136 22*f0865ec9SKyle Evans #define BASH224_DIGEST_SIZE 28 23*f0865ec9SKyle Evans #define BASH224_DIGEST_SIZE_BITS 224 24*f0865ec9SKyle Evans 25*f0865ec9SKyle Evans /* Compute max hash digest and block sizes */ 26*f0865ec9SKyle Evans #ifndef MAX_DIGEST_SIZE 27*f0865ec9SKyle Evans #define MAX_DIGEST_SIZE 0 28*f0865ec9SKyle Evans #endif 29*f0865ec9SKyle Evans #if (MAX_DIGEST_SIZE < BASH224_DIGEST_SIZE) 30*f0865ec9SKyle Evans #undef MAX_DIGEST_SIZE 31*f0865ec9SKyle Evans #define MAX_DIGEST_SIZE BASH224_DIGEST_SIZE 32*f0865ec9SKyle Evans #endif 33*f0865ec9SKyle Evans 34*f0865ec9SKyle Evans #ifndef MAX_DIGEST_SIZE_BITS 35*f0865ec9SKyle Evans #define MAX_DIGEST_SIZE_BITS 0 36*f0865ec9SKyle Evans #endif 37*f0865ec9SKyle Evans #if (MAX_DIGEST_SIZE_BITS < BASH224_DIGEST_SIZE_BITS) 38*f0865ec9SKyle Evans #undef MAX_DIGEST_SIZE_BITS 39*f0865ec9SKyle Evans #define MAX_DIGEST_SIZE_BITS BASH224_DIGEST_SIZE_BITS 40*f0865ec9SKyle Evans #endif 41*f0865ec9SKyle Evans 42*f0865ec9SKyle Evans #ifndef MAX_BLOCK_SIZE 43*f0865ec9SKyle Evans #define MAX_BLOCK_SIZE 0 44*f0865ec9SKyle Evans #endif 45*f0865ec9SKyle Evans #if (MAX_BLOCK_SIZE < BASH224_BLOCK_SIZE) 46*f0865ec9SKyle Evans #undef MAX_BLOCK_SIZE 47*f0865ec9SKyle Evans #define MAX_BLOCK_SIZE BASH224_BLOCK_SIZE 48*f0865ec9SKyle Evans #endif 49*f0865ec9SKyle Evans 50*f0865ec9SKyle Evans #define BASH224_HASH_MAGIC ((word_t)(0xaf3456ff1200ba5bULL)) 51*f0865ec9SKyle Evans #define BASH224_HASH_CHECK_INITIALIZED(A, ret, err) \ 52*f0865ec9SKyle Evans MUST_HAVE((((void *)(A)) != NULL) && ((A)->magic == BASH224_HASH_MAGIC), ret, err) 53*f0865ec9SKyle Evans 54*f0865ec9SKyle Evans typedef bash_context bash224_context; 55*f0865ec9SKyle Evans 56*f0865ec9SKyle Evans ATTRIBUTE_WARN_UNUSED_RET int bash224_init(bash224_context *ctx); 57*f0865ec9SKyle Evans ATTRIBUTE_WARN_UNUSED_RET int bash224_update(bash224_context *ctx, const u8 *input, u32 ilen); 58*f0865ec9SKyle Evans ATTRIBUTE_WARN_UNUSED_RET int bash224_final(bash224_context *ctx, u8 output[BASH224_DIGEST_SIZE]); 59*f0865ec9SKyle Evans ATTRIBUTE_WARN_UNUSED_RET int bash224_scattered(const u8 **inputs, const u32 *ilens, 60*f0865ec9SKyle Evans u8 output[BASH224_DIGEST_SIZE]); 61*f0865ec9SKyle Evans ATTRIBUTE_WARN_UNUSED_RET int bash224(const u8 *input, u32 ilen, u8 output[BASH224_DIGEST_SIZE]); 62*f0865ec9SKyle Evans 63*f0865ec9SKyle Evans #endif /* __BASH224_H__ */ 64*f0865ec9SKyle Evans #endif /* WITH_HASH_BASH224 */ 65