public static int CryptoBoxBeforenm(byte[] K, byte[] Pk, byte[] Sk)
{
byte[] s = new byte[32];
byte[] sp = s, sigmap = Xsalsa20.sigma;
Curve25519.CryptoScalarmult(sp, Sk, Pk);
return(Hsalsa20.CryptoCore(K, null, sp, sigmap));
}
public static int CryptoBoxKeypair(byte[] Pk, byte[] Sk)
{
new Random().NextBytes(Sk);
return(Curve25519.CryptoScalarmultBase(Pk, Sk));
}
public static int CryptoBoxGetpublickey(byte[] Pk, byte[] Sk)
{
return(Curve25519.CryptoScalarmultBase(Pk, Sk));
}