(PECL rnp >= 0.1.1)
rnp_ffi_create — Create the top-level object used for interacting with the library
pub_formatthe format of the public keyring, RNP_KEYSTORE_GPG or other RNP_KEYSTORE_* constant.
sec_formatthe format of the secret keyring, RNP_KEYSTORE_GPG or other RNP_KEYSTORE_* constant