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/*
* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/*
* Derived from the BLAKE2 reference implementation written by Samuel Neves.
* Copyright 2012, Samuel Neves <sneves@dei.uc.pt>
* More information about the BLAKE2 hash function and its implementations
* can be found at https://blake2.net.
*/
#include "internal/cryptlib.h"
#ifndef OPENSSL_NO_BLAKE2
# include <openssl/evp.h>
# include <openssl/objects.h>
# include "blake2_locl.h"
# include "internal/evp_int.h"
static int init(EVP_MD_CTX *ctx)
{
return BLAKE2s_Init(EVP_MD_CTX_md_data(ctx));
}
static int update(EVP_MD_CTX *ctx, const void *data, size_t count)
{
return BLAKE2s_Update(EVP_MD_CTX_md_data(ctx), data, count);
}
static int final(EVP_MD_CTX *ctx, unsigned char *md)
{
return BLAKE2s_Final(md, EVP_MD_CTX_md_data(ctx));
}
static const EVP_MD blake2s_md = {
NID_blake2s256,
0,
BLAKE2S_DIGEST_LENGTH,
0,
init,
update,
final,
NULL,
NULL,
BLAKE2S_BLOCKBYTES,
sizeof(EVP_MD *) + sizeof(BLAKE2S_CTX),
};
const EVP_MD *EVP_blake2s256(void)
{
return &blake2s_md;
}
#endif
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