lcx_ripemd160.h

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/*******************************************************************************
 *   Ledger Nano S - Secure firmware
 *   (c) 2022 Ledger
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 ********************************************************************************/
 
#ifndef LCX_RIPEMD160_H
#define LCX_RIPEMD160_H
 
#ifdef HAVE_RIPEMD160
 
#include "lcx_wrappers.h"
#include "lcx_hash.h"
 
#define CX_RIPEMD160_SIZE 20
 
struct cx_ripemd160_s {
    struct cx_hash_header_s header;     
    size_t                  blen;       
    uint8_t                 block[64];  
    // After finishing the digest,
    // contains the digest if correct
    // parameters are passed.
    uint8_t acc[5 * 4];  
};
typedef struct cx_ripemd160_s cx_ripemd160_t;
 
WARN_UNUSED_RESULT cx_err_t cx_ripemd160_init_no_throw(cx_ripemd160_t *hash);
 
static inline int cx_ripemd160_init(cx_ripemd160_t *hash)
{
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-result"
    cx_ripemd160_init_no_throw(hash);
#pragma GCC diagnostic pop
    return CX_RIPEMD160;
}
 
cx_err_t cx_ripemd160_hash_iovec(const cx_iovec_t *iovec,
                                 size_t            iovec_len,
                                 uint8_t           digest[static CX_RIPEMD160_SIZE]);
 
static inline cx_err_t cx_ripemd160_hash(const uint8_t *in,
                                         size_t         in_len,
                                         uint8_t        digest[static CX_RIPEMD160_SIZE])
{
    const cx_iovec_t iovec = {.iov_base = in, .iov_len = in_len};
 
    return cx_ripemd160_hash_iovec(&iovec, 1, digest);
}
 
size_t cx_hash_ripemd160(const uint8_t *in, size_t in_len, uint8_t *out, size_t out_len);
 
#endif  // HAVE_RIPEMD160
 
#endif  // LCX_RIPEMD160_H