28 lines
752 B
C
28 lines
752 B
C
/*
|
|
* Copyright 1995-2016 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
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <openssl/crypto.h>
|
|
#include <openssl/sha.h>
|
|
|
|
unsigned char *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);
|
|
}
|