1 /* $OpenBSD: crypto_api.c,v 1.1 2014/01/08 03:59:46 tedu Exp $ */
2 /*
3 * Public domain. Author: Ted Unangst <tedu@openbsd.org>
4 * API compatible reimplementation of functions from nacl
5 */
6 #include <sys/types.h>
7
8 #include <string.h>
9 #include <sha2.h>
10
11 #include "crypto_api.h"
12
13 int
crypto_hash_sha512(unsigned char * out,const unsigned char * in,unsigned long long inlen)14 crypto_hash_sha512(unsigned char *out, const unsigned char *in,
15 unsigned long long inlen)
16 {
17 SHA2_CTX ctx;
18
19 SHA512Init(&ctx);
20 SHA512Update(&ctx, in, inlen);
21 SHA512Final(out, &ctx);
22 return 0;
23 }
24
25 int
crypto_verify_32(const unsigned char * x,const unsigned char * y)26 crypto_verify_32(const unsigned char *x, const unsigned char *y)
27 {
28 return timingsafe_bcmp(x, y, 32) ? -1 : 0;
29 }
30