Convert DSA DER Private Key to PEM

Converts a DSA private key from DER format to PEM. Demonstrates how to write both encrypted and unencrypted PEM formatted private keys.

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bool success;

Chilkat.Dsa dsa = new Chilkat.Dsa();

success = dsa.UnlockComponent("Anything for 30-day trial");
if (success != true) {
    MessageBox.Show(dsa.LastErrorText);
    return;
}

//  Load a DER private key.
success = dsa.FromDerFile("dsa_priv.der");
if (success != true) {
    MessageBox.Show(dsa.LastErrorText);
    return;
}

string pemStr;

//  Save to unencrypted PEM:
pemStr = dsa.ToPem();
success = dsa.SaveText(pemStr,"dsa_priv.pem");
if (success != true) {
    MessageBox.Show(dsa.LastErrorText);
    return;
}

//  Save to encrypted PEM:
pemStr = dsa.ToEncryptedPem("myPassword");
success = dsa.SaveText(pemStr,"dsa_privEncrypted.pem");
if (success != true) {
    MessageBox.Show(dsa.LastErrorText);
    return;
}

MessageBox.Show("Finished!");