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libcli:auth: Use GnuTLS RC4 for netlogon credentials

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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 2019-01-31 11:28:02 +01:00 committed by Andreas Schneider
parent ad4505624e
commit f825fa6d90
1 changed files with 17 additions and 4 deletions
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21
libcli/auth/credentials.c
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@ -264,11 +264,24 @@ void netlogon_creds_des_decrypt(struct netlogon_creds_CredentialState *creds, st
*/
void netlogon_creds_arcfour_crypt(struct netlogon_creds_CredentialState *creds, uint8_t *data, size_t len)
{
DATA_BLOB session_key = data_blob(creds->session_key, 16);
gnutls_cipher_hd_t cipher_hnd = NULL;
gnutls_datum_t session_key = {
.data = creds->session_key,
.size = sizeof(creds->session_key),
};
int rc;
arcfour_crypt_blob(data, len, &session_key);
data_blob_free(&session_key);
rc = gnutls_cipher_init(&cipher_hnd,
GNUTLS_CIPHER_ARCFOUR_128,
&session_key,
NULL);
if (rc < 0) {
return;
}
gnutls_cipher_encrypt(cipher_hnd,
data,
len);
gnutls_cipher_deinit(cipher_hnd);
}
/*