Examples with RequestSigner org.demoiselle.signer.timestamp.signer.RequestSigner used on opensource projects

Example 1 with RequestSigner

use of org.demoiselle.signer.timestamp.signer.RequestSigner in project signer by demoiselle.

the class TimeStampOperator method createRequest.

/**
 * Creates a time stamp request, signed with the users's certificate.
 *
 * @param privateKey private key to sign with
 * @param certificates certificate chain
 * @param content  set null if signing only hash
 * @param hash  set null if signing content
 * @return A time stamp request
 * @throws CertificateCoreException exception
 */
public byte[] createRequest(PrivateKey privateKey, Certificate[] certificates, byte[] content, byte[] hash) throws CertificateCoreException {
    try {
        logger.info(timeStampMessagesBundle.getString("info.timestamp.digest"));
        Digest digest = DigestFactory.getInstance().factoryDefault();
        digest.setAlgorithm(DigestAlgorithmEnum.SHA_256);
        byte[] hashedMessage = null;
        if (content != null) {
            hashedMessage = digest.digest(content);
        // logger.info(Base64.toBase64String(hashedMessage));
        } else {
            hashedMessage = hash;
        }
        logger.info(timeStampMessagesBundle.getString("info.timestamp.prepare.request"));
        TimeStampRequestGenerator timeStampRequestGenerator = new TimeStampRequestGenerator();
        timeStampRequestGenerator.setReqPolicy(new ASN1ObjectIdentifier(TimeStampConfig.getInstance().getTSPOid()));
        timeStampRequestGenerator.setCertReq(true);
        BigInteger nonce = BigInteger.valueOf(100);
        timeStampRequest = timeStampRequestGenerator.generate(new ASN1ObjectIdentifier(TSPAlgorithms.SHA256.getId()), hashedMessage, nonce);
        byte[] request = timeStampRequest.getEncoded();
        logger.info(timeStampMessagesBundle.getString("info.timestamp.sign.request"));
        RequestSigner requestSigner = new RequestSigner();
        byte[] signedRequest = requestSigner.signRequest(privateKey, certificates, request, "SHA256withRSA");
        return signedRequest;
    } catch (IOException ex) {
        throw new CertificateCoreException(ex.getMessage());
    }
}