Generate RSA Public/Private Key Pair for Encryption (Key Exchange)

C# example code showing how to generate an RSA public/private key pair for encrypting.

Download Chilkat .NET for 2.0 / 3.5 Framework

Download Chilkat .NET for 1.0 / 1.1 Framework

Chilkat.Rsa rsa = new Chilkat.Rsa();

bool success;
success = rsa.UnlockComponent("Anything for 30-day trial");
if (success != true) {
    MessageBox.Show("RSA component unlock failed");
    return;
}

//  Generate a 1024-bit key.  Chilkat RSA supports
//  key sizes ranging from 512 bits to 4096 bits.
success = rsa.GenerateKey(1024);
if (success != true) {
    MessageBox.Show(rsa.LastErrorText);
    return;
}

//  Keys are exported in XML format:
string publicKey;
publicKey = rsa.ExportPublicKey();
textBox1.Text += publicKey + "\r\n";

string privateKey;
privateKey = rsa.ExportPrivateKey();
textBox1.Text += privateKey + "\r\n";