(PECL rnp >= 0.1.1)
rnp_list_keys — Enumerate all keys present in a keyring by specified identifer type
ffirnp_ffi_create tarafından döndürülen FFI nesnesi.
identifier_typeKey identifier type ("userid", "keyid", "grip", "fingerprint").
An associative array where key is an identifier string and value is a PGP key fingerprint başarısızlık durumunda false döner.