Java Requires Chilkat v11.0.0+

RSA Sign utf-8 Byte Representation of String

See more RSA Examples

Demontstrates how to sign the utf-8 byte representation of a string. 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) {
        // This example requires the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        // Load an RSA private key for signing.
        PrivateKey privKey = new PrivateKey();
        try {
            privKey.loadEncryptedPemFile("qa_data/pem/rsa_passwd.pem", "passwd");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        Rsa rsa = new Rsa();
        try {
            rsa.usePrivateKey(privKey);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        String originalData = "This is the string to be hashed an RSA signed.";

        // Indicate that we want the utf-8 byte representation of the string to be signed
        rsa.setCharset("utf-8");

        // We want the RSA signature in base64 format
        rsa.setEncodingMode("base64");

        String sigBase64 = rsa.signStringENC(originalData, "sha256");
        System.out.println(sigBase64);
    }
}