PHP MCrypt Cryptographic decryption function

Encryption

function Mcrypt_encode ($data, $key) {    $init _size = mcrypt_get_iv_size (mcrypt_rijndael_256, MCRYPT_MODE_CBC);    $init _vect = Mcrypt_create_iv ($init _size, mcrypt_rand);    $data = $init _vect. Mcrypt_encrypt (mcrypt_rijndael_256, $key, $data, MCRYPT_MODE_CBC, $init _vect);    return $data;}

Decrypt

function Mcrypt_decode ($data, $key) {    $init _size = mcrypt_get_iv_size (mcrypt_rijndael_256, MCRYPT_MODE_CBC);    if ($init _size > strlen ($data)) {        return false;    }    $init _vect = substr ($data, 0, $init _size);    $data = substr ($data, $init _size);    return RTrim (Mcrypt_decrypt (mcrypt_rijndael_256, $key, $data, MCRYPT_MODE_CBC, $init _vect), "n");}

The above describes the PHP MCrypt encryption and decryption functions, including the aspects of the content, I hope the PHP tutorial interested in a friend helpful.

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