pub unsafe fn credential_keylet(
_subject_ptr: *const u8,
_subject_len: usize,
_issuer_ptr: *const u8,
_issuer_len: usize,
_cred_type_ptr: *const u8,
_cred_type_len: usize,
_out_buff_ptr: *mut u8,
_out_buff_len: usize,
) -> i32