mirror of
https://github.com/openssl/openssl.git
synced 2024-12-03 05:41:46 +08:00
33388b44b6
Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/11616)
35 lines
883 B
C
35 lines
883 B
C
/*
|
|
* Copyright 1995-2020 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>
|
|
|
|
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;
|
|
}
|