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Code

libcli:auth: Use GnuTLS MD5 for E_md5hash() in smbcrypt

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Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Andreas Schneider 2019-05-15 08:02:18 +02:00 committed by Andrew Bartlett
parent 3b509129f5
commit 45a4a9078c
1 changed files with 25 additions and 5 deletions
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30
libcli/auth/smbencrypt.c
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@ -28,6 +28,9 @@
#include "../libcli/auth/libcli_auth.h"
#include "../librpc/gen_ndr/ndr_ntlmssp.h"
#include <gnutls/gnutls.h>
#include <gnutls/crypto.h>
void SMBencrypt_hash(const uint8_t lm_hash[16], const uint8_t *c8, uint8_t p24[24])
{
uint8_t p21[21];
@ -99,11 +102,28 @@ bool E_md4hash(const char *passwd, uint8_t p16[16])
void E_md5hash(const uint8_t salt[16], const uint8_t nthash[16], uint8_t hash_out[16])
{
MD5_CTX tctx;
MD5Init(&tctx);
MD5Update(&tctx, salt, 16);
MD5Update(&tctx, nthash, 16);
MD5Final(hash_out, &tctx);
gnutls_hash_hd_t hash_hnd = NULL;
int rc;
rc = gnutls_hash_init(&hash_hnd, GNUTLS_DIG_MD5);
if (rc < 0) {
goto out;
}
rc = gnutls_hash(hash_hnd, salt, 16);
if (rc < 0) {
gnutls_hash_deinit(hash_hnd, NULL);
goto out;
}
rc = gnutls_hash(hash_hnd, nthash, 16);
if (rc < 0) {
gnutls_hash_deinit(hash_hnd, NULL);
goto out;
}
gnutls_hash_deinit(hash_hnd, hash_out);
out:
return;
}
/**