1 /* 2 * Copyright (C) 2021 - This file is part of libecc project 3 * 4 * Authors: 5 * Arnaud EBALARD <arnaud.ebalard@ssi.gouv.fr> 6 * Ryad BENADJILA <ryadbenadjila@gmail.com> 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_RIPEMD160 13 14 #ifndef __RIPEMD160_H__ 15 #define __RIPEMD160_H__ 16 17 #include <libecc/words/words.h> 18 #include <libecc/utils/utils.h> 19 20 #define RIPEMD160_STATE_SIZE 5 21 #define RIPEMD160_BLOCK_SIZE 64 22 #define RIPEMD160_DIGEST_SIZE 20 23 #define RIPEMD160_DIGEST_SIZE_BITS 160 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 < RIPEMD160_DIGEST_SIZE) 30 #undef MAX_DIGEST_SIZE 31 #define MAX_DIGEST_SIZE RIPEMD160_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 < RIPEMD160_DIGEST_SIZE_BITS) 38 #undef MAX_DIGEST_SIZE_BITS 39 #define MAX_DIGEST_SIZE_BITS RIPEMD160_DIGEST_SIZE_BITS 40 #endif 41 42 #ifndef MAX_BLOCK_SIZE 43 #define MAX_BLOCK_SIZE 0 44 #endif 45 #if (MAX_BLOCK_SIZE < RIPEMD160_BLOCK_SIZE) 46 #undef MAX_BLOCK_SIZE 47 #define MAX_BLOCK_SIZE RIPEMD160_BLOCK_SIZE 48 #endif 49 50 #define RIPEMD160_HASH_MAGIC ((word_t)(0x7392018463926719ULL)) 51 #define RIPEMD160_HASH_CHECK_INITIALIZED(A, ret, err) \ 52 MUST_HAVE((((void *)(A)) != NULL) && ((A)->magic == RIPEMD160_HASH_MAGIC), ret, err) 53 54 typedef struct { 55 /* Number of bytes processed */ 56 u64 ripemd160_total; 57 /* Internal state */ 58 u32 ripemd160_state[RIPEMD160_STATE_SIZE]; 59 /* Internal buffer to handle updates in a block */ 60 u8 ripemd160_buffer[RIPEMD160_BLOCK_SIZE]; 61 /* Initialization magic value */ 62 word_t magic; 63 } ripemd160_context; 64 65 ATTRIBUTE_WARN_UNUSED_RET int ripemd160_init(ripemd160_context *ctx); 66 ATTRIBUTE_WARN_UNUSED_RET int ripemd160_update(ripemd160_context *ctx, const u8 *input, u32 ilen); 67 ATTRIBUTE_WARN_UNUSED_RET int ripemd160_final(ripemd160_context *ctx, u8 output[RIPEMD160_DIGEST_SIZE]); 68 ATTRIBUTE_WARN_UNUSED_RET int ripemd160_scattered(const u8 **inputs, const u32 *ilens, 69 u8 output[RIPEMD160_DIGEST_SIZE]); 70 ATTRIBUTE_WARN_UNUSED_RET int ripemd160(const u8 *input, u32 ilen, u8 output[RIPEMD160_DIGEST_SIZE]); 71 72 #endif /* __RIPEMD160_H__ */ 73 #endif /* WITH_HASH_RIPEMD160 */ 74