1 /* $OpenBSD: hash.c,v 1.6 2019/11/29 00:11:21 djm Exp $ */
2 /*
3 * Public domain. Author: Christian Weisgerber <naddy@openbsd.org>
4 * API compatible reimplementation of function from nacl
5 */
6
7 #include "includes.h"
8
9 #include "crypto_api.h"
10
11 #include <stdarg.h>
12
13 #ifdef WITH_OPENSSL
14 #include <openssl/evp.h>
15
16 int
crypto_hash_sha512(unsigned char * out,const unsigned char * in,unsigned long long inlen)17 crypto_hash_sha512(unsigned char *out, const unsigned char *in,
18 unsigned long long inlen)
19 {
20
21 if (!EVP_Digest(in, inlen, out, NULL, EVP_sha512(), NULL))
22 return -1;
23 return 0;
24 }
25
26 #else
27 # ifdef HAVE_SHA2_H
28 # include <sha2.h>
29 # endif
30
31 int
crypto_hash_sha512(unsigned char * out,const unsigned char * in,unsigned long long inlen)32 crypto_hash_sha512(unsigned char *out, const unsigned char *in,
33 unsigned long long inlen)
34 {
35
36 SHA2_CTX ctx;
37
38 SHA512Init(&ctx);
39 SHA512Update(&ctx, in, inlen);
40 SHA512Final(out, &ctx);
41 return 0;
42 }
43 #endif /* WITH_OPENSSL */
44