scottmac Mon Nov 17 21:54:25 2008 UTC Modified files: (Branch: PHP_5_3) /php-src/ext/openssl openssl.c Log: MFH Add openssl_random_pseudo_bytes() in order to expose access to a PRG, this wraps around whatever the OS provides. - OpenBSD uses arc4random() - Windows uses the Windows Crypto API - FreeBSD, Linux, etc use /dev/random or /dev/urandom if available [DOC] http://cvs.php.net/viewvc.cgi/php-src/ext/openssl/openssl.c?r1=1.98.2.5.2.41.2.24&r2=1.98.2.5.2.41.2.25&diff_format=u Index: php-src/ext/openssl/openssl.c diff -u php-src/ext/openssl/openssl.c:1.98.2.5.2.41.2.24 php-src/ext/openssl/openssl.c:1.98.2.5.2.41.2.25 --- php-src/ext/openssl/openssl.c:1.98.2.5.2.41.2.24 Mon Nov 17 11:27:57 2008 +++ php-src/ext/openssl/openssl.c Mon Nov 17 21:54:25 2008 @@ -20,7 +20,7 @@ +----------------------------------------------------------------------+ */ -/* $Id: openssl.c,v 1.98.2.5.2.41.2.24 2008/11/17 11:27:57 felipe Exp $ */ +/* $Id: openssl.c,v 1.98.2.5.2.41.2.25 2008/11/17 21:54:25 scottmac Exp $ */ #ifdef HAVE_CONFIG_H #include "config.h" @@ -94,6 +94,7 @@ PHP_FUNCTION(openssl_decrypt); PHP_FUNCTION(openssl_dh_compute_key); +PHP_FUNCTION(openssl_random_pseudo_bytes); /* {{{ arginfo */ ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_x509_export_to_file, 0, 0, 2) @@ -352,6 +353,11 @@ ZEND_ARG_INFO(0, pub_key) ZEND_ARG_INFO(0, dh_key) ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_random_pseudo_bytes, 0, 0, 1) + ZEND_ARG_INFO(0, length) + ZEND_ARG_INFO(1, result_is_strong) +ZEND_END_ARG_INFO() /* }}} */ /* {{{ openssl_functions[] @@ -416,6 +422,7 @@ PHP_FE(openssl_dh_compute_key, arginfo_openssl_dh_compute_key) + PHP_FE(openssl_random_pseudo_bytes, arginfo_openssl_random_pseudo_bytes) PHP_FE(openssl_error_string, arginfo_openssl_error_string) {NULL, NULL, NULL} }; @@ -4704,6 +4711,52 @@ } /* }}} */ +/* {{{ proto string openssl_random_pseudo_bytes(integer length [, &bool returned_strong_result]) + Returns a string of the length specified filled with random pseudo bytes */ +PHP_FUNCTION(openssl_random_pseudo_bytes) +{ + long buffer_length; + unsigned char *buffer = NULL; + zval *zstrong_result_returned = NULL; + int strong_result = 0; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l|z", &buffer_length, &zstrong_result_returned) == FAILURE) { + return; + } + + if (buffer_length <= 0) { + RETURN_FALSE; + } + + if (zstrong_result_returned) { + zval_dtor(zstrong_result_returned); + ZVAL_BOOL(zstrong_result_returned, 0); + } + + buffer = emalloc(buffer_length); + + if (!buffer) { + RETURN_FALSE; + } + +#ifdef WINDOWS + RAND_screen(); +#endif + + if ((strong_result = RAND_pseudo_bytes(buffer, buffer_length)) < 0) { + RETVAL_FALSE; + } else { + RETVAL_STRINGL((char *)buffer, buffer_length, 1); + + if (zstrong_result_returned) { + ZVAL_BOOL(zstrong_result_returned, strong_result); + } + + } + efree(buffer); +} +/* }}} */ + /* * Local variables: * tab-width: 8
-- PHP CVS Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php