public bool Validate(string file, byte[] sign)
{
HashAFile haf = new HashAFile(file);
byte[] hash = haf.HashFile();
bool test = globaLrsa.VerifyHash(hash, CryptoConfig.MapNameToOID(globalHashAlgo), sign);
return(test);
}
private void button_send_Click(object sender, EventArgs e)
{
string file = textBox_file.Text;
if (0 == file.Length)
{
label_ins.ForeColor = System.Drawing.Color.Red;
HashAFile haf = new HashAFile(file);
return;
}
HashAFile hash = new HashAFile(file);
byte[] hashbytes = hash.HashFile();
if (0 == hashbytes.Length)
{
label_ins.Text = "Failed to hash the file" + file;
return;
}
string temp = "";
foreach (byte hashbyte in hashbytes)
{
temp = temp + " " + hashbyte;
}
richTextBox_hash_value.Text = "Hash/Message Digest :" + temp;
global_hashvalue = hashbytes;
if (false == hash.CreateHashFile(file + "1"))
{
label_ins.Text = "Failed to create the hash file ";
return;
}
}