func BoxDetachedAfterNm(cipherTextOut []byte, mac []byte, message []byte, nonce, key []byte) int {
support.CheckSize(cipherTextOut, BoxMacBytes()+len(message), "cypher text output")
support.CheckSize(mac, BoxMacBytes(), "mac")
support.CheckSize(nonce, BoxNonceBytes(), "nonce")
support.CheckSize(key, BoxBeforeNmBytes(), "key")
return int(C.crypto_box_detached_afternm(
(*C.uchar)(&cipherTextOut[0]),
(*C.uchar)(&mac[0]),
(*C.uchar)(&message[0]),
(C.ulonglong)(len(message)),
(*C.uchar)(&nonce[0]),
(*C.uchar)(&key[0])))
}
func CryptoBoxDetachedAfterNm(mac []byte, m []byte, n []byte, k []byte) ([]byte, int) {
support.CheckSize(mac, CryptoBoxMacBytes(), "mac")
support.CheckSize(n, CryptoBoxNonceBytes(), "nonce")
support.CheckSize(k, CryptoBoxBeforeNmBytes(), "shared secret key")
c := make([]byte, len(m)+CryptoBoxMacBytes())
exit := int(C.crypto_box_detached_afternm(
(*C.uchar)(&c[0]),
(*C.uchar)(&mac[0]),
(*C.uchar)(&m[0]),
(C.ulonglong)(len(m)),
(*C.uchar)(&n[0]),
(*C.uchar)(&k[0])))
return c, exit
}