openssl/crypto/evp/m_null.c

51 lines
942 B
C

/*
* Copyright 1995-2021 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
*/
#include <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
#include "crypto/evp.h"
static int init(EVP_MD_CTX *ctx)
{
return 1;
}
static int update(EVP_MD_CTX *ctx, const void *data, size_t count)
{
return 1;
}
static int final(EVP_MD_CTX *ctx, unsigned char *md)
{
return 1;
}
static const EVP_MD null_md = {
NID_undef,
NID_undef,
0,
0,
EVP_ORIG_GLOBAL,
init,
update,
final,
NULL,
NULL,
0,
sizeof(EVP_MD *),
};
const EVP_MD *EVP_md_null(void)
{
return &null_md;
}