(PECL rnp >= 0.1.1)
rnp_locate_key — Search for the key
Note: only valid userids are checked while searching by userid.
ffi
The FFI object returned by rnp_ffi_create.
identifier_type
Identifier type string: "userid", "keyid", "fingerprint", "grip".
identifier
PGP 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 o false
en caso de error.