Examples with DEROutputStream org.gudy.bouncycastle.asn1.DEROutputStream used on opensource projects

Example 26 with DEROutputStream

use of org.gudy.bouncycastle.asn1.DEROutputStream in project structr by structr.

the class CreateJarFileFunction method writeSignatureBlock.

private void writeSignatureBlock(final JarOutputStream jos, final String algorithm, final CMSTypedData data, final X509Certificate publicKey, final PrivateKey privateKey) throws IOException, CertificateEncodingException, OperatorCreationException, CMSException {
    final List<X509Certificate> certList = new ArrayList<>();
    certList.add(publicKey);
    final JcaCertStore certs = new JcaCertStore(certList);
    final CMSSignedDataGenerator gen = new CMSSignedDataGenerator();
    final ContentSigner signer = new JcaContentSignerBuilder(algorithm + "with" + privateKey.getAlgorithm()).build(privateKey);
    final SignerInfoGenerator infoGenerator = new JcaSignerInfoGeneratorBuilder(new JcaDigestCalculatorProviderBuilder().build()).setDirectSignature(true).build(signer, publicKey);
    gen.addSignerInfoGenerator(infoGenerator);
    gen.addCertificates(certs);
    final CMSSignedData sigData = gen.generate(data, false);
    final ASN1InputStream asn1 = new ASN1InputStream(sigData.getEncoded());
    final DEROutputStream dos = new DEROutputStream(jos);
    final ASN1Primitive obj = asn1.readObject();
    dos.writeObject(obj);
}

Example 27 with DEROutputStream

use of org.gudy.bouncycastle.asn1.DEROutputStream in project walle by Meituan-Dianping.

the class V1SchemeSigner method generateSignatureBlock.

private static byte[] generateSignatureBlock(SignerConfig signerConfig, byte[] signatureFileBytes) throws InvalidKeyException, CertificateEncodingException, SignatureException {
    JcaCertStore certs = new JcaCertStore(signerConfig.certificates);
    X509Certificate signerCert = signerConfig.certificates.get(0);
    String jcaSignatureAlgorithm = getJcaSignatureAlgorithm(signerCert.getPublicKey(), signerConfig.signatureDigestAlgorithm);
    try {
        ContentSigner signer = new JcaContentSignerBuilder(jcaSignatureAlgorithm).build(signerConfig.privateKey);
        CMSSignedDataGenerator gen = new CMSSignedDataGenerator();
        gen.addSignerInfoGenerator(new SignerInfoGeneratorBuilder(new JcaDigestCalculatorProviderBuilder().build(), SignerInfoSignatureAlgorithmFinder.INSTANCE).setDirectSignature(true).build(signer, new JcaX509CertificateHolder(signerCert)));
        gen.addCertificates(certs);
        CMSSignedData sigData = gen.generate(new CMSProcessableByteArray(signatureFileBytes), false);
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        try (ASN1InputStream asn1 = new ASN1InputStream(sigData.getEncoded())) {
            DEROutputStream dos = new DEROutputStream(out);
            dos.writeObject(asn1.readObject());
        }
        return out.toByteArray();
    } catch (OperatorCreationException | CMSException | IOException e) {
        throw new SignatureException("Failed to generate signature", e);
    }
}