openssl/crypto/blake2/m_blake2b.c
Antoine Salon fc3c0223e8 blake2b: add support for parameter setting and keyed hash
The param block structure is used as a container for parameter values
Added blake2b keyed init

Signed-off-by: Antoine Salon <asalon@vmware.com>

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7726)
2019-02-06 09:18:43 +00:00

61 lines
1.4 KiB
C

/*
* Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (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)
{
BLAKE2B_PARAM P;
blake2b_param_init(&P);
return BLAKE2b_Init(EVP_MD_CTX_md_data(ctx), &P);
}
static int update(EVP_MD_CTX *ctx, const void *data, size_t count)
{
return BLAKE2b_Update(EVP_MD_CTX_md_data(ctx), data, count);
}
static int final(EVP_MD_CTX *ctx, unsigned char *md)
{
return BLAKE2b_Final(md, EVP_MD_CTX_md_data(ctx));
}
static const EVP_MD blake2b_md = {
NID_blake2b512,
0,
BLAKE2B_DIGEST_LENGTH,
0,
init,
update,
final,
NULL,
NULL,
BLAKE2B_BLOCKBYTES,
sizeof(BLAKE2B_CTX),
};
const EVP_MD *EVP_blake2b512(void)
{
return &blake2b_md;
}
#endif