public void HashMode()
{
var url = "https://gist.github.com/nixberg/49e0389945c217fe535954597fe4a1a1/raw/74c5405e15a11bab4396d1472c78ae1b4d223f3e/hashkat.json";
var json = string.Empty;
using (var webClient = new System.Net.WebClient())
{
json = webClient.DownloadString(url);
}
var kats = JsonConvert.DeserializeObject <List <HashKAT> >(json);
foreach (var kat in kats)
{
var msg = ParseHex(kat.msg);
var md = ParseHex(kat.md);
var msgStream = new MemoryStream(msg);
var newMDStream = new MemoryStream((int)md.Length);
var xooyak = new Xoodyak();
xooyak.Absorb(msgStream, msg.Length);
xooyak.Squeeze(newMDStream, md.Length);
Assert.Equal(md.Length, newMDStream.Length);
Assert.Equal(md, newMDStream.ToArray());
}
}
public void KeyedMode()
{
var url = "https://gist.github.com/nixberg/d14efa8c34dd4e88cbd85aeb18cb0777/raw/45715afd6a923d2ab3a4d60c90516de0540f757c/aeadkat.json";
var json = string.Empty;
using (var webClient = new System.Net.WebClient())
{
json = webClient.DownloadString(url);
}
var kats = JsonConvert.DeserializeObject <List <AeadKAT> >(json);
foreach (var kat in kats)
{
var key = ParseHex(kat.key);
var nonce = ParseHex(kat.nonce);
var pt = ParseHex(kat.pt);
var ad = ParseHex(kat.ad);
var ct = ParseHex(kat.ct);
var tag = new List <byte>(ct).GetRange((int)pt.Length, ct.Length - pt.Length).ToArray();
// Encrypt:
var nonceStream = new MemoryStream(ParseHex(kat.nonce));
var ptStream = new MemoryStream(pt);
var adStream = new MemoryStream(ad);
var ctStream = new MemoryStream(ct);
var newCTStream = new MemoryStream((int)ct.Length);
var xooyak = new Xoodyak(key, null, null);
xooyak.Absorb(nonceStream, nonce.Length);
xooyak.Absorb(adStream, ad.Length);
xooyak.Encrypt(ptStream, newCTStream, pt.Length);
xooyak.Squeeze(newCTStream, tag.Length);
Assert.Equal(ct.Length, newCTStream.Length);
Assert.Equal(ct, newCTStream.ToArray());
// Decrypt:
nonceStream.Position = 0;
ptStream.Position = 0;
adStream.Position = 0;
ctStream.Position = 0;
var newPTStream = new MemoryStream((int)pt.Length);
var newTagStream = new MemoryStream((int)tag.Length);
xooyak = new Xoodyak(key, null, null);
xooyak.Absorb(nonceStream, nonce.Length);
xooyak.Absorb(adStream, ad.Length);
xooyak.Decrypt(ctStream, newPTStream, pt.Length);
xooyak.Squeeze(newTagStream, tag.Length);
Assert.Equal(pt.Length, newPTStream.Length);
Assert.Equal(pt, newPTStream.ToArray());
Assert.Equal(tag.Length, newTagStream.Length);
Assert.Equal(tag, newTagStream.ToArray());
}
}
