979eabeba5
* Adds support for hardware accelerated SHA * Saves code size (~5.5KB) for SHA256 & SHA512 where libsodium & mbedTLS both used
67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
// Copyright 2017 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef crypto_hash_sha512_H
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#define crypto_hash_sha512_H
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/* This is a wrapper for libsodium sha512 that calls back to
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the mbedTLS implementation (to reduce code size, improve
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performance, provide hardware acceleration option).
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*/
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#include <stddef.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <mbedtls/sha512.h>
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#include "sodium/export.h"
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#ifdef __cplusplus
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# ifdef __GNUC__
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# pragma GCC diagnostic ignored "-Wlong-long"
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# endif
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extern "C" {
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#endif
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typedef mbedtls_sha512_context crypto_hash_sha512_state;
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SODIUM_EXPORT
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size_t crypto_hash_sha512_statebytes(void);
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#define crypto_hash_sha512_BYTES 64U
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SODIUM_EXPORT
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size_t crypto_hash_sha512_bytes(void);
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SODIUM_EXPORT
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int crypto_hash_sha512(unsigned char *out, const unsigned char *in,
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unsigned long long inlen);
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SODIUM_EXPORT
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int crypto_hash_sha512_init(crypto_hash_sha512_state *state);
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SODIUM_EXPORT
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int crypto_hash_sha512_update(crypto_hash_sha512_state *state,
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const unsigned char *in,
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unsigned long long inlen);
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SODIUM_EXPORT
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int crypto_hash_sha512_final(crypto_hash_sha512_state *state,
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unsigned char *out);
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#ifdef __cplusplus
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}
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#endif
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#endif
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