diff options
| -rw-r--r-- | Net/OpenID/CryptUtil.php | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/Net/OpenID/CryptUtil.php b/Net/OpenID/CryptUtil.php index 9249d5a..f26ca72 100644 --- a/Net/OpenID/CryptUtil.php +++ b/Net/OpenID/CryptUtil.php @@ -1,11 +1,11 @@ <?php -if (!defined(Net_OpenID_RAND_SOURCE)) { - /** - * The filename for a source of random bytes. Define this yourself if you - * have a different source of randomness. - */ - define('Net_OpenID_RAND_SOURCE', '/dev/urandom'); +if (!defined('Net_OpenID_RAND_SOURCE')) { + /** + * The filename for a source of random bytes. Define this yourself + * if you have a different source of randomness. + */ + define('Net_OpenID_RAND_SOURCE', '/dev/urandom'); } /** @@ -13,18 +13,19 @@ if (!defined(Net_OpenID_RAND_SOURCE)) { */ class Net_OpenID_CryptUtil { /** - * Get the specified number of random bytes. - * - * Attempts to use a cryptographically secure (not predictable) source of - * randomness if available. If there is no high-entropy randomness source - * available, it will fail. As a last resort, for non-critical systems, - * define <code>Net_OpenID_USE_INSECURE_RAND</code>, and the code will - * fall back on a pseudo-random number generator. - * - * @static - * @param int $num_bytes The length of the return value - * @return string $num_bytes random bytes - */ + * Get the specified number of random bytes. + * + * Attempts to use a cryptographically secure (not predictable) + * source of randomness if available. If there is no high-entropy + * randomness source available, it will fail. As a last resort, + * for non-critical systems, define + * <code>Net_OpenID_USE_INSECURE_RAND</code>, and the code will + * fall back on a pseudo-random number generator. + * + * @static + * @param int $num_bytes The length of the return value + * @return string $num_bytes random bytes + */ function getBytes($num_bytes) { $f = @fopen("/dev/urandom", "r"); if ($f === FALSE) { |