pub unsafe extern "C" fn rsa_encrypt_key_ex(
in_: *const c_uchar,
inlen: c_ulong,
out: *mut c_uchar,
outlen: *mut c_ulong,
lparam: *const c_uchar,
lparamlen: c_ulong,
prng: *mut prng_state,
prng_idx: c_int,
hash_idx: c_int,
padding: c_int,
key: *mut rsa_key,
) -> c_int