DSA Public Key PEM to DER Conversion

Converts a DSA public key from PEM format to DER.

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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 PEM public key.
string pemPublicKey;
pemPublicKey = dsa.LoadText("dsa_pub.pem");
//  Import the public key PEM into the DSA object.
success = dsa.FromPublicPem(pemPublicKey);
if (success != true) {
    MessageBox.Show(dsa.LastErrorText);
    return;
}

//  Write it out as a DER file:
success = dsa.ToPublicDerFile("dsa_pub.der");
if (success != true) {
    MessageBox.Show(dsa.LastErrorText);
    return;
}

MessageBox.Show("Finished!");