crypto/blake2/m_blake2b.c

   1 /*
   2  * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #ifndef OPENSSL_NO_BLAKE2
  11
  12 # include <stddef.h>
  13 # include <openssl/obj_mac.h>
  14 # include "crypto/evp.h"
  15 # include "internal/blake2.h"
  16
  17 static int init(EVP_MD_CTX *ctx)
  18 {
  19     return blake2b512_init(EVP_MD_CTX_md_data(ctx));
  20 }
  21
  22 static int update(EVP_MD_CTX *ctx, const void *data, size_t count)
  23 {
  24     return blake2b_update(EVP_MD_CTX_md_data(ctx), data, count);
  25 }
  26
  27 static int final(EVP_MD_CTX *ctx, unsigned char *md)
  28 {
  29     return blake2b_final(md, EVP_MD_CTX_md_data(ctx));
  30 }
  31
  32 static const EVP_MD blake2b_md = {
  33     NID_blake2b512,
  34     0,
  35     BLAKE2B_DIGEST_LENGTH,
  36     0,
  37     init,
  38     update,
  39     final,
  40     NULL,
  41     NULL,
  42     BLAKE2B_BLOCKBYTES,
  43     sizeof(BLAKE2B_CTX),
  44 };
  45
  46 const EVP_MD *EVP_blake2b512(void)
  47 {
  48     return &blake2b_md;
  49 }
  50 #endif /* OPENSSL_NO_BLAKE2 */