private static void DigitalSignatures()
{
var document = Encoding.UTF8.GetBytes("Document to Sign");
byte[] hashedDocument;
hashedDocument = HashData.ComputeHashSha256(document);
var digitalSignature = new DigitalSignature();
digitalSignature.AssignNewKey();
var signature = digitalSignature.SignData(hashedDocument);
var verified = digitalSignature.VerifySignature(hashedDocument, signature);
Console.WriteLine("Digital Signature Demonstration in .NET");
Console.WriteLine("---------------------------------------");
Console.WriteLine();
Console.WriteLine();
Console.WriteLine(" Original Text = " +
Encoding.Default.GetString(document));
Console.WriteLine();
Console.WriteLine(" Digital Signature = " +
Convert.ToBase64String(signature));
Console.WriteLine();
Console.WriteLine(verified
? "The digital signature has been correctly verified."
: "The digital signature has NOT been correctly verified.");
}
public Form1()
{
InitializeComponent();
rsa.AssignNewKey();
}