crypto4xx_crypt
return crypto4xx_crypt(req, AES_IV_SIZE, true, false);
return crypto4xx_crypt(req, AES_IV_SIZE, false, true);
return crypto4xx_crypt(req, AES_IV_SIZE, true, true);
return crypto4xx_crypt(req, 0, false, true);
return crypto4xx_crypt(req, AES_IV_SIZE, false, false);
return crypto4xx_crypt(req, 0, true, true);