pub unsafe extern "C" fn pkcs_1_pss_encode(
msghash: *const c_uchar,
msghashlen: c_ulong,
saltlen: c_ulong,
prng: *mut prng_state,
prng_idx: c_int,
hash_idx: c_int,
modulus_bitlen: c_ulong,
out: *mut c_uchar,
outlen: *mut c_ulong,
) -> c_int