Examples with SignatureSigner org.xipki.security.SignatureSigner used on opensource projects

Example 1 with SignatureSigner

use of org.xipki.security.SignatureSigner in project xipki by xipki.

the class SoftTokenContentSignerBuilder method createSigner.

public ConcurrentContentSigner createSigner(AlgorithmIdentifier signatureAlgId, int parallelism, SecureRandom random) throws XiSecurityException, NoSuchPaddingException {
    ParamUtil.requireNonNull("signatureAlgId", signatureAlgId);
    ParamUtil.requireMin("parallelism", parallelism, 1);
    List<XiContentSigner> signers = new ArrayList<>(parallelism);
    final String provName = "SunJCE";
    if (Security.getProvider(provName) != null) {
        String algoName;
        try {
            algoName = AlgorithmUtil.getSignatureAlgoName(signatureAlgId);
        } catch (NoSuchAlgorithmException ex) {
            throw new XiSecurityException(ex.getMessage());
        }
        try {
            for (int i = 0; i < parallelism; i++) {
                Signature signature = Signature.getInstance(algoName, provName);
                signature.initSign(key);
                if (i == 0) {
                    signature.update(new byte[] { 1, 2, 3, 4 });
                    signature.sign();
                }
                XiContentSigner signer = new SignatureSigner(signatureAlgId, signature, key);
                signers.add(signer);
            }
        } catch (Exception ex) {
            signers.clear();
        }
    }
    if (CollectionUtil.isEmpty(signers)) {
        BcContentSignerBuilder signerBuilder;
        AsymmetricKeyParameter keyparam;
        try {
            if (key instanceof RSAPrivateKey) {
                keyparam = SignerUtil.generateRSAPrivateKeyParameter((RSAPrivateKey) key);
                signerBuilder = new RSAContentSignerBuilder(signatureAlgId);
            } else if (key instanceof DSAPrivateKey) {
                keyparam = DSAUtil.generatePrivateKeyParameter(key);
                signerBuilder = new DSAContentSignerBuilder(signatureAlgId, AlgorithmUtil.isDSAPlainSigAlg(signatureAlgId));
            } else if (key instanceof ECPrivateKey) {
                keyparam = ECUtil.generatePrivateKeyParameter(key);
                EllipticCurve curve = ((ECPrivateKey) key).getParams().getCurve();
                if (GMUtil.isSm2primev2Curve(curve)) {
                    signerBuilder = new SM2ContentSignerBuilder();
                } else {
                    signerBuilder = new ECDSAContentSignerBuilder(signatureAlgId, AlgorithmUtil.isDSAPlainSigAlg(signatureAlgId));
                }
            } else {
                throw new XiSecurityException("unsupported key " + key.getClass().getName());
            }
        } catch (InvalidKeyException ex) {
            throw new XiSecurityException("invalid key", ex);
        } catch (NoSuchAlgorithmException ex) {
            throw new XiSecurityException("no such algorithm", ex);
        }
        for (int i = 0; i < parallelism; i++) {
            if (random != null) {
                signerBuilder.setSecureRandom(random);
            }
            ContentSigner signer;
            try {
                signer = signerBuilder.build(keyparam);
            } catch (OperatorCreationException ex) {
                throw new XiSecurityException("operator creation error", ex);
            }
            signers.add(new XiWrappedContentSigner(signer, true));
        }
    }
    final boolean mac = false;
    ConcurrentContentSigner concurrentSigner;
    try {
        concurrentSigner = new DfltConcurrentContentSigner(mac, signers, key);
    } catch (NoSuchAlgorithmException ex) {
        throw new XiSecurityException(ex.getMessage(), ex);
    }
    if (certificateChain != null) {
        concurrentSigner.setCertificateChain(certificateChain);
    } else {
        concurrentSigner.setPublicKey(publicKey);
    }
    return concurrentSigner;
}