Viewing file:  sha1_one.c (2.09 KB) -rw-r--r--
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/*
* 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
*/
/*
* SHA-1 low level APIs are deprecated for public use, but still ok for
* internal use.
*/
#include "internal/deprecated.h"
#include <stdio.h>
#include <string.h>
#include <openssl/crypto.h>
#include <openssl/sha.h>
#include <openssl/evp.h>
#include "crypto/sha.h"
unsigned char *ossl_sha1(const unsigned char *d, size_t n, unsigned char *md)
{
SHA_CTX c;
static unsigned char m[SHA_DIGEST_LENGTH];
if (md == NULL)
md = m;
if (!SHA1_Init(&c))
return NULL;
SHA1_Update(&c, d, n);
SHA1_Final(md, &c);
OPENSSL_cleanse(&c, sizeof(c));
return md;
}
unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md)
{
static unsigned char m[SHA_DIGEST_LENGTH];
if (md == NULL)
md = m;
return EVP_Q_digest(NULL, "SHA1", NULL, d, n, md, NULL) ? md : NULL;
}
unsigned char *SHA224(const unsigned char *d, size_t n, unsigned char *md)
{
static unsigned char m[SHA224_DIGEST_LENGTH];
if (md == NULL)
md = m;
return EVP_Q_digest(NULL, "SHA224", NULL, d, n, md, NULL) ? md : NULL;
}
unsigned char *SHA256(const unsigned char *d, size_t n, unsigned char *md)
{
static unsigned char m[SHA256_DIGEST_LENGTH];
if (md == NULL)
md = m;
return EVP_Q_digest(NULL, "SHA256", NULL, d, n, md, NULL) ? md : NULL;
}
unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md)
{
static unsigned char m[SHA384_DIGEST_LENGTH];
if (md == NULL)
md = m;
return EVP_Q_digest(NULL, "SHA384", NULL, d, n, md, NULL) ? md : NULL;
}
unsigned char *SHA512(const unsigned char *d, size_t n, unsigned char *md)
{
static unsigned char m[SHA512_DIGEST_LENGTH];
if (md == NULL)
md = m;
return EVP_Q_digest(NULL, "SHA512", NULL, d, n, md, NULL) ? md : NULL;
}
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