MFH

diff --git a/ext/mhash/mhash.c b/ext/mhash/mhash.c
index 12b135b5e4e273d34559751c4b2ceb486a023a82..7be388bd1608d5fbc527ec271d454ef1490250c6 100644 (file)
--- a/ext/mhash/mhash.c
+++ b/ext/mhash/mhash.c
@@ -203,6 +203,10 @@ PHP_FUNCTION(mhash_keygen_s2k)
        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lssl", &hash, &password, &password_len, &in_salt, &salt_len, &bytes) == FAILURE) {
                WRONG_PARAM_COUNT;
        }
+       if (bytes <= 0){
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "the byte parameter must be greater then 0");
+               RETURN_FALSE;
+       }
        
        salt_len = MIN(salt_len, SALT_SIZE);