Convert DSA Public Key DER to PEM

Converts a DSA public key from DER format to PEM.

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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 public key.
success = dsa.FromPublicDerFile("dsa_pub.der");
if (success != true) {
    MessageBox.Show(dsa.LastErrorText);
    return;
}

string pemStr;

//  Save the public key to PEM:
pemStr = dsa.ToPublicPem();
success = dsa.SaveText(pemStr,"dsa_pub.pem");
if (success != true) {
    MessageBox.Show(dsa.LastErrorText);
    return;
}

MessageBox.Show("Finished!");