Examples with GeneralNames com.android.org.bouncycastle.asn1.x509.GeneralNames used on opensource projects

Example 51 with GeneralNames

use of com.android.org.bouncycastle.asn1.x509.GeneralNames in project athenz by yahoo.

the class Crypto method generateX509CSR.

public static String generateX509CSR(PrivateKey privateKey, PublicKey publicKey, String x500Principal, GeneralName[] sanArray) throws OperatorCreationException, IOException {
    // Create Distinguished Name
    X500Principal subject = new X500Principal(x500Principal);
    // Create ContentSigner
    JcaContentSignerBuilder csBuilder = new JcaContentSignerBuilder(Crypto.RSA_SHA256);
    ContentSigner signer = csBuilder.build(privateKey);
    // Create the CSR
    PKCS10CertificationRequestBuilder p10Builder = new JcaPKCS10CertificationRequestBuilder(subject, publicKey);
    if (sanArray != null) {
        ExtensionsGenerator extGen = new ExtensionsGenerator();
        GeneralNames subjectAltNames = new GeneralNames(sanArray);
        extGen.addExtension(Extension.subjectAlternativeName, false, subjectAltNames);
        p10Builder.addAttribute(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest, extGen.generate());
    }
    PKCS10CertificationRequest csr = p10Builder.build(signer);
    // write to openssl PEM format
    PemObject pemObject = new PemObject("CERTIFICATE REQUEST", csr.getEncoded());
    StringWriter strWriter;
    try (JcaPEMWriter pemWriter = new JcaPEMWriter(strWriter = new StringWriter())) {
        pemWriter.writeObject(pemObject);
    }
    return strWriter.toString();
}