public byte[] Create(int n, int max, byte[] pk)
{
var a = new byte[n][];
a[0] = pk;
for (int i = 1; i < n; i++)
{
a[i] = PublicKeyBox.GenerateKeyPair().PublicKey;
}
return(PrivateBox.Encrypt(content, a, max));
}
public static string Box(object msg, byte[][] recipientsPublicKey)
{
var _msg = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(msg));
var _box = new List <byte[]>();
foreach (var recPubKey in recipientsPublicKey)
{
_box.Add(Sodium.PublicKeyAuth.ConvertEd25519PublicKeyToCurve25519PublicKey(recPubKey));
}
var boxed = PrivateBox.Encrypt(_msg, _box);
return(Convert.ToBase64String(boxed) + ".box");
}
public void TestSimple()
{
var msg = "hello there!";
var pubKeys = new byte[][] { alice.PublicKey, bob.PublicKey };
var prvKeys = new byte[][] { alice.PrivateKey, bob.PrivateKey };
var ctxt = PrivateBox.Encrypt(msg, pubKeys);
foreach (var sk in prvKeys)
{
var txt = System.Text.Encoding.UTF8.GetString(PrivateBox.Decrypt(ctxt, sk));
Assert.AreNotSame(msg, txt);
}
}