(PECL rnp >= 0.1.1)
rnp_import_signatures — Import standalone signatures to the keyring and receive JSON describing updated keys
ffiThe FFI object returned by rnp_ffi_create().
inputOpenPGP packets containing signatures to be imported. Can be either binary or ASCII armored.
flagsCurrently must be 0.
JSON string with information about updated keys on success 或者在失败时返回 false.