private void btnEncode_Click(object sender, EventArgs e)
{
string res = string.Empty;
if (algorithm.GetType() != typeof(SHA2))
{
res = Encoding.Default.GetString(
algorithm.Crypt(Encoding.Default.GetBytes(tbData.Text))
);
}
else
{
byte[] hash = algorithm.Crypt(Encoding.Default.GetBytes(tbData.Text));
for (int i = 0; i < hash.Length; i++)
{
res += string.Format("{0:X2}", hash[i]);
}
}
tbDecode.Text = res;
}
private void OnClickedItem(object sender, ToolStripItemClickedEventArgs e)
{
if (algoritham.GetType() != ((ICryptoLibrary)e.ClickedItem.Tag).GetType())
{
this.algoritham = (ICryptoLibrary)e.ClickedItem.Tag;
byte[] key;
if (this.algoritham.GetType() != typeof(SHA2))
{
key = this.algoritham.GenerateRandomKey();
btnRandomGenerateKey.Enabled = true;
btnSetKey.Enabled = true;
btnDecode.Enabled = true;
btnDecryptAll.Enabled = true;
btnDecryptSeleced.Enabled = true;
btnDecodeFromFile.Enabled = true;
}
else
{
key = ((SHA2)this.algoritham).GetKey();
btnRandomGenerateKey.Enabled = false;
btnSetKey.Enabled = false;
btnDecode.Enabled = false;
btnDecryptAll.Enabled = false;
btnDecryptSeleced.Enabled = false;
btnDecodeFromFile.Enabled = false;
}
if (this.algoritham.GetType() != typeof(Knapsack))
{
gbKnapSackProp.Enabled = false;
//tbKey.Enabled = true;
tbKey.KeyPress -= this.tbKey_KeyPress;
lbHint.Visible = false;
}
else
{
// set up for knapsack
gbKnapSackProp.Enabled = true;
//tbKey.Enabled = false;
tbKey.KeyPress += this.tbKey_KeyPress;
tbN.Text = ((Knapsack)this.algoritham).n.ToString();
tbM.Text = ((Knapsack)this.algoritham).m.ToString();
tbIM.Text = ((Knapsack)this.algoritham).mInverse.ToString();
lbHint.Visible = true;
}
// encoding problem fixed like this :)
if (this.algoritham.GetType() != typeof(Knapsack))
{
this.tbKey.Text = new string(Encoding.Default.GetChars(key));
}
else
{
uint[] temp = new uint[key.Length / 4];
string tempKeyStr = string.Empty;
for (
int i = 0; i < key.Length; i += 4)
{
temp[i / 4] = BitConverter.ToUInt32(key, i);
tempKeyStr += " " + BitConverter.ToUInt32(key, i);
}
this.tbKey.Text = tempKeyStr;
//this.tbKey.Text = string.Join(", ", key.Select(x => x.ToString()).ToArray());
}
this.gbAlgorithm.Text = this.algoritham.ToString();
}
}