# define EVP_CTRL_SET_IVLEN EVP_CTRL_GCM_SET_IVLEN
# define EVP_CTRL_GET_TAG EVP_CTRL_GCM_GET_TAG
# define EVP_CTRL_SET_TAG EVP_CTRL_GCM_SET_TAG
-# define EVP_CTRL_OCB_SET_TAGLEN 0x1c
/* GCM TLS constants */
/* Length of fixed part of IV derived from PRF */