Java

Convert DSA DER Private Key to PEM

See more DSA Examples

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

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    boolean success = false;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkDsa dsa = new CkDsa();

    // Load a DER private key.
    success = dsa.FromDerFile("dsa_priv.der");
    if (success != true) {
        System.out.println(dsa.lastErrorText());
        return;
        }

    String pemStr;

    // Save to unencrypted PEM:
    pemStr = dsa.toPem();
    success = dsa.SaveText(pemStr,"dsa_priv.pem");
    if (success != true) {
        System.out.println(dsa.lastErrorText());
        return;
        }

    // Save to encrypted PEM:
    pemStr = dsa.toEncryptedPem("myPassword");
    success = dsa.SaveText(pemStr,"dsa_privEncrypted.pem");
    if (success != true) {
        System.out.println(dsa.lastErrorText());
        return;
        }

    System.out.println("Finished!");
  }
}