Bug #74116 [NEW]: AES-256-GCM not working

From: er dot haridarshan at gmail dot com Operating system: Fedora 24 PHP version: 7.1Git-2017-02-17 (snap) Package: OpenSSL related Bug Type: Bug Bug description:AES-256-GCM not working Description: ------------ As of 7.1.0, when trying to use AES-256-GCM algorithm with openssl_cipher_iv_length getting warning as PHP Warning: openssl_cipher_iv_length(): Unknown cipher algorithm And as mentioned in changelog of 7.1.0 OpenSSL: Implemented FR #67304 (Added AEAD support [CCM and GCM modes] to openssl_encrypt and openssl_decrypt). this should work but its not working Test script: --------------- function encrypt($algo = 'AES-256-GCM') { $key = random_bytes(32); // 256 bits $iv = random_bytes(openssl_cipher_iv_length($algo)); $ciphertext = openssl_encrypt( random_bytes(1024 * 1024 * 10), $algo, $key, OPENSSL_RAW_DATA, $iv, $tag ); return $ciphertext; } $cipherText = encrypt(); Expected result: ---------------- Exepected Result is the cipherText Actual result: -------------- PHP Warning: openssl_cipher_iv_length(): Unknown cipher algorithm in /var/www/test/aes.php on line 13 Warning: openssl_cipher_iv_length(): Unknown cipher algorithm in /var/www/test/aes.php on line 13 PHP Fatal error: Uncaught Error: Length must be greater than 0 in /var/www/test/aes.php:13 Stack trace: #0 /var/www/test/aes.php(13): random_bytes(false) #1 /var/www/test/aes.php(41): encrypt('Hello') #2 {main} thrown in /var/www/test/aes.php on line 13 Fatal error: Uncaught Error: Length must be greater than 0 in /var/www/test/aes.php:13 Stack trace: #0 /var/www/test/aes.php(13): random_bytes(false) #1 /var/www/test/aes.php(41): encrypt('Hello') #2 {main} thrown in /var/www/test/aes.php on line 13 -- Edit bug report at https://bugs.php.net/bug.php?id=74116&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=74116&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=74116&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=74116&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=74116&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=74116&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=74116&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=74116&r=needscript Try newer version: https://bugs.php.net/fix.php?id=74116&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=74116&r=support Expected behavior: https://bugs.php.net/fix.php?id=74116&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=74116&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=74116&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=74116&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=74116&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=74116&r=dst IIS Stability: https://bugs.php.net/fix.php?id=74116&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=74116&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=74116&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=74116&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=74116&r=mysqlcfg