1 /* 2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #ifndef OPENSSL_HEADER_RIPEMD_H 11 #define OPENSSL_HEADER_RIPEMD_H 12 13 #include <openssl/base.h> 14 15 #ifdef __cplusplus 16 extern "C" { 17 #endif 18 19 20 # define RIPEMD160_CBLOCK 64 21 # define RIPEMD160_LBLOCK (RIPEMD160_CBLOCK/4) 22 # define RIPEMD160_DIGEST_LENGTH 20 23 24 struct RIPEMD160state_st { 25 uint32_t h[5]; 26 uint32_t Nl, Nh; 27 uint8_t data[RIPEMD160_CBLOCK]; 28 unsigned num; 29 }; 30 31 // RIPEMD160_Init initialises |ctx| and returns one. 32 OPENSSL_EXPORT int RIPEMD160_Init(RIPEMD160_CTX *ctx); 33 34 // RIPEMD160_Update adds |len| bytes from |data| to |ctx| and returns one. 35 OPENSSL_EXPORT int RIPEMD160_Update(RIPEMD160_CTX *ctx, const void *data, 36 size_t len); 37 38 // RIPEMD160_Final adds the final padding to |ctx| and writes the resulting 39 // digest to |out|, which must have at least |RIPEMD160_DIGEST_LENGTH| bytes of 40 // space. It returns one. 41 OPENSSL_EXPORT int RIPEMD160_Final(uint8_t out[RIPEMD160_DIGEST_LENGTH], 42 RIPEMD160_CTX *ctx); 43 44 // RIPEMD160 writes the digest of |len| bytes from |data| to |out| and returns 45 // |out|. There must be at least |RIPEMD160_DIGEST_LENGTH| bytes of space in 46 // |out|. 47 OPENSSL_EXPORT uint8_t *RIPEMD160(const uint8_t *data, size_t len, 48 uint8_t out[RIPEMD160_DIGEST_LENGTH]); 49 50 // RIPEMD160_Transform is a low-level function that performs a single, 51 // RIPEMD160 block transformation using the state from |ctx| and 64 bytes from 52 // |block|. 53 OPENSSL_EXPORT void RIPEMD160_Transform(RIPEMD160_CTX *ctx, 54 const uint8_t block[RIPEMD160_CBLOCK]); 55 56 57 #if defined(__cplusplus) 58 } // extern C 59 #endif 60 61 #endif // OPENSSL_HEADER_RIPEMD_H 62