esp-idf/components/libsodium/port_include/sodium/crypto_hash_sha256.h

67 wiersze
1.8 KiB
C

// Copyright 2017 Espressif Systems (Shanghai) PTE LTD
//
// 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 crypto_hash_sha256_H
#define crypto_hash_sha256_H
/* This is a wrapper for libsodium sha256 that calls back to
the mbedTLS implementation (to reduce code size, improve
performance, provide hardware acceleration option).
*/
#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>
#include <mbedtls/sha256.h>
#include "sodium/export.h"
#ifdef __cplusplus
# ifdef __GNUC__
# pragma GCC diagnostic ignored "-Wlong-long"
# endif
extern "C" {
#endif
typedef mbedtls_sha256_context crypto_hash_sha256_state;
SODIUM_EXPORT
size_t crypto_hash_sha256_statebytes(void);
#define crypto_hash_sha256_BYTES 32U
SODIUM_EXPORT
size_t crypto_hash_sha256_bytes(void);
SODIUM_EXPORT
int crypto_hash_sha256(unsigned char *out, const unsigned char *in,
unsigned long long inlen);
SODIUM_EXPORT
int crypto_hash_sha256_init(crypto_hash_sha256_state *state);
SODIUM_EXPORT
int crypto_hash_sha256_update(crypto_hash_sha256_state *state,
const unsigned char *in,
unsigned long long inlen);
SODIUM_EXPORT
int crypto_hash_sha256_final(crypto_hash_sha256_state *state,
unsigned char *out);
#ifdef __cplusplus
}
#endif
#endif