KerberosAPI.CSRManager.java Source code

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Here is the source code for KerberosAPI.CSRManager.java

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package KerberosAPI;

import java.security.KeyPair;
import java.security.Security;
import org.bouncycastle.asn1.x500.X500Name;
import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.operator.ContentSigner;
import org.bouncycastle.operator.jcajce.JcaContentSignerBuilder;
import org.bouncycastle.pkcs.PKCS10CertificationRequest;
import org.bouncycastle.pkcs.PKCS10CertificationRequestBuilder;

/**
 *
 * @author aliou
 */
public class CSRManager {

    public static PKCS10CertificationRequest generateCSR(String name, KeyPair kp) {

        Security.addProvider(new BouncyCastleProvider());

        PKCS10CertificationRequestBuilder csrBuilder = null;
        ContentSigner contentSign = null;

        try {
            KeyPair keyPair = kp;
            X500Name subject = new X500Name("cn=" + name);

            SubjectPublicKeyInfo keyInfo = SubjectPublicKeyInfo.getInstance(keyPair.getPublic().getEncoded());
            csrBuilder = new PKCS10CertificationRequestBuilder(subject, keyInfo);

            contentSign = new JcaContentSignerBuilder("SHA1withRSA").setProvider("BC").build(keyPair.getPrivate());

            return csrBuilder.build(contentSign);
        } catch (Exception e) {
            System.out.println("Echec de gnration du CSR : " + e);
        }
        return null;
    }
}