<?php const CIPHER = MCRYPT_RIJNDAEL_128; const KEY_BYTE_SIZE = 16; const CIPHER_MODE = 'cbc'; const HASH_FUNCTION = 'sha256'; const MAC_BYTE_SIZE = 32; const ENCRYPTION_INFO = 'PIPS|KeyForEncryption'; const AUTHENTICATION_INFO = 'PIPS|KeyForAuthentication'; $x = hash_hmac("sha256", "blah", "It is a kitten", false); print $x; ?>
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