func boxSeal(cipherTextOut []byte, message []byte, pk []byte) int {
support.CheckSize(cipherTextOut, BoxMacBytes()+len(message), "cypher text output")
support.CheckSize(pk, BoxPublicKeyBytes(), "public key")
return int(C.crypto_box_seal(
(*C.uchar)(&cipherTextOut[0]),
(*C.uchar)(&message[0]),
(C.ulonglong)(len(message)),
(*C.uchar)(&pk[0])))
}
func CryptoBoxSeal(m []byte, pk []byte) ([]byte, int) {
support.CheckSize(pk, CryptoBoxPublicKeyBytes(), "public key")
c := make([]byte, len(m)+CryptoBoxMacBytes())
exit := int(C.crypto_box_seal(
(*C.uchar)(&c[0]),
(*C.uchar)(&m[0]),
(C.ulonglong)(len(m)),
(*C.uchar)(&pk[0])))
return c, exit
}