Java Requires Chilkat v11.0.0+

Generate RSA Key and return Base64 PKCS8 Private Key

See more RSA Examples

Demonstrates how to generate a new 2048-bit RSA private key and returns the Base64 encoded PKCS8 representation of the private key. Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.PrivateKey;
import com.chilkatsoft.chilkat2.Rsa;

public class ChilkatExample {

    public static void main(String[] args) {
        Rsa rsa = new Rsa();

        // Generate a 2048-bit key.  Chilkat RSA supports
        // key sizes ranging from 512 bits to 8192 bits.
        PrivateKey privKey = new PrivateKey();
        try {
            rsa.genKey(2048, privKey);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Get the private key in PKCS8 Base64 format
        String privKeyPkcs8Base64 = privKey.getPkcs8ENC("base64");

        // The key in base64 format will start similar to this:
        // MIIEvAIBADANBgkqhkiG9w0BA...
        System.out.println(privKeyPkcs8Base64);
    }
}