(PECL rnp >= 0.1.1)
rnp_locate_key — Search for the key
Note: only valid userids are checked while searching by userid.
ffiThe FFI object returned by rnp_ffi_create().
identifier_typeIdentifier type string: "userid", "keyid", "fingerprint", "grip".
identifierPGP User ID (name and email) for "userid" type, hexadecimal string that represents key id, fingerprint or key grip correspondingly.
Returns hexadecimal fingerprint of the key found on success or false on failure.