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/* $OpenBSD: hash.c,v 1.6 2019/11/29 00:11:21 djm Exp $ */
/*
* Public domain. Author: Christian Weisgerber <naddy@openbsd.org>
* API compatible reimplementation of function from nacl
*/
#include "crypto_api.h"
#include <stdarg.h>
#ifdef WITH_OPENSSL
#include <openssl/evp.h>
int
crypto_hash_sha512(unsigned char *out, const unsigned char *in,
unsigned long long inlen)
{
if (!EVP_Digest(in, inlen, out, NULL, EVP_sha512(), NULL))
return -1;
return 0;
}
#else
#include <sha2.h>
int
crypto_hash_sha512(unsigned char *out, const unsigned char *in,
unsigned long long inlen)
{
SHA2_CTX ctx;
SHA512Init(&ctx);
SHA512Update(&ctx, in, inlen);
SHA512Final(out, &ctx);
return 0;
}
#endif /* WITH_OPENSSL */
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