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Java

Convert PEM to JKS (Java KeyStore)

See more PEM Examples

Converts a PEM containing private key(s) and certificates into a JKS (Java KeyStore) formatted file.

Chilkat Java Downloads

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.

    CkPem pem = new CkPem();

    //  Load the PEM from a file.
    //  If the PEM is encrypted, provide a password.  Otherwise pass an empty string for the password.
    String password = "myPassword";
    success = pem.LoadPemFile("../myPemFiles/myPem.pem",password);
    if (success == false) {
        System.out.println(pem.lastErrorText());
        return;
        }

    //  Note: If the app already has the PEM pre-loaded in a string variable, then load it 
    //  by calling LoadPem instead.  
    String pemContent = "... the PEM contents ...";
    success = pem.LoadPem(pemContent,password);
    //  Check for success as before..

    //  Convert to a JavaKeyStore object.
    //  The alias, if a non-empty string, will be applied to the 1st private key or 
    //  certificate.  All other keys and/or certificates will be assigned an auto-generated
    //  alias.
    String alias = "anything_I_want_here";

    //  This is the passord that will be required to access the created JKS.
    String jksPassword = "myJksSecret";
    CkJavaKeyStore jks = new CkJavaKeyStore();
    success = pem.ToJksObj(alias,jksPassword,jks);
    if (success == false) {
        System.out.println(pem.lastErrorText());
        return;
        }

    //  Save the JKS to a file.  The password passed here is used for the keyed hash of the
    //  entire JKS file.  This may be different (if desired) than the password for individual private keys
    //  contained within the JKS.  
    success = jks.ToFile(jksPassword,"../myJksFiles/myJks.jks");
    if (success == false) {
        System.out.println(jks.lastErrorText());
        return;
        }
  }
}