#include <gnutls/gnutls.h>
#include <gnutls/crypto.h>
#include "gnutls_helpers.h"
-#include "arcfour.h"
#include "lib/util/memory.h"
int samba_gnutls_arcfour_confounded_md5(const DATA_BLOB *key_input1,
const DATA_BLOB *key_input2,
- DATA_BLOB *data)
+ DATA_BLOB *data,
+ enum samba_gnutls_direction encrypt)
{
int rc;
gnutls_hash_hd_t hash_hnd = NULL;
uint8_t confounded_key[16];
- DATA_BLOB confounded_key_as_blob
- = data_blob_const(confounded_key,
- sizeof(confounded_key));
+ gnutls_cipher_hd_t cipher_hnd = NULL;
+ gnutls_datum_t confounded_key_datum = {
+ .data = confounded_key,
+ .size = sizeof(confounded_key),
+ };
+
rc = gnutls_hash_init(&hash_hnd, GNUTLS_DIG_MD5);
if (rc < 0) {
return rc;
return rc;
}
- gnutls_hash_deinit(hash_hnd, confounded_key_as_blob.data);
+ gnutls_hash_deinit(hash_hnd, confounded_key);
- arcfour_crypt_blob(data->data, data->length,
- &confounded_key_as_blob);
+ rc = gnutls_cipher_init(&cipher_hnd,
+ GNUTLS_CIPHER_ARCFOUR_128,
+ &confounded_key_datum,
+ NULL);
+ if (rc < 0) {
+ return rc;
+ }
+ if (encrypt == SAMBA_GNUTLS_ENCRYPT) {
+ rc = gnutls_cipher_encrypt(cipher_hnd,
+ data->data,
+ data->length);
+ } else {
+ rc = gnutls_cipher_decrypt(cipher_hnd,
+ data->data,
+ data->length);
+ }
+ gnutls_cipher_deinit(cipher_hnd);
ZERO_ARRAY(confounded_key);
- return 0;
+ return rc;
}
_gnutls_error_to_werror(gnutls_rc, blocked_werr, \
__FUNCTION__, __location__)
+enum samba_gnutls_direction {
+ SAMBA_GNUTLS_ENCRYPT,
+ SAMBA_GNUTLS_DECRYPT
+};
+
int samba_gnutls_arcfour_confounded_md5(const DATA_BLOB *key_input1,
const DATA_BLOB *key_input2,
- DATA_BLOB *data);
+ DATA_BLOB *data,
+ enum samba_gnutls_direction encrypt);
#endif /* _GNUTLS_HELPERS_H */
rc = samba_gnutls_arcfour_confounded_md5(gensec_skey,
&confounder,
- &dec_buffer);
+ &dec_buffer,
+ SAMBA_GNUTLS_DECRYPT);
if (rc < 0) {
result = gnutls_error_to_werror(rc, WERR_INTERNAL_ERROR);
goto out;
rc = samba_gnutls_arcfour_confounded_md5(gensec_skey,
&confounder,
- &to_encrypt);
+ &to_encrypt,
+ SAMBA_GNUTLS_ENCRYPT);
if (rc < 0) {
result = gnutls_error_to_werror(rc, WERR_INTERNAL_ERROR);
goto out;