Examples with ContentInfo com.github.zhenwei.pkix.util.asn1.cms.ContentInfo used on opensource projects

Example 56 with ContentInfo

use of com.github.zhenwei.pkix.util.asn1.cms.ContentInfo in project BiglyBT by BiglySoftware.

the class PEMWriter method writeObject.

public void writeObject(Object o) throws IOException {
    String type;
    byte[] encoding;
    if (o instanceof X509Certificate) {
        type = "CERTIFICATE";
        try {
            encoding = ((X509Certificate) o).getEncoded();
        } catch (CertificateEncodingException e) {
            throw new IOException("Cannot encode object: " + e.toString());
        }
    } else if (o instanceof X509CRL) {
        type = "X509 CRL";
        try {
            encoding = ((X509CRL) o).getEncoded();
        } catch (CRLException e) {
            throw new IOException("Cannot encode object: " + e.toString());
        }
    } else if (o instanceof KeyPair) {
        writeObject(((KeyPair) o).getPrivate());
        return;
    } else if (o instanceof PrivateKey) {
        PrivateKeyInfo info = new PrivateKeyInfo((ASN1Sequence) ASN1Object.fromByteArray(((Key) o).getEncoded()));
        if (o instanceof RSAPrivateKey) {
            type = "RSA PRIVATE KEY";
            encoding = info.getPrivateKey().getEncoded();
        } else if (o instanceof DSAPrivateKey) {
            type = "DSA PRIVATE KEY";
            DSAParameter p = DSAParameter.getInstance(info.getAlgorithmId().getParameters());
            ASN1EncodableVector v = new ASN1EncodableVector();
            v.add(new DERInteger(0));
            v.add(new DERInteger(p.getP()));
            v.add(new DERInteger(p.getQ()));
            v.add(new DERInteger(p.getG()));
            BigInteger x = ((DSAPrivateKey) o).getX();
            BigInteger y = p.getG().modPow(x, p.getP());
            v.add(new DERInteger(y));
            v.add(new DERInteger(x));
            encoding = new DERSequence(v).getEncoded();
        } else {
            throw new IOException("Cannot identify private key");
        }
    } else if (o instanceof PublicKey) {
        type = "PUBLIC KEY";
        encoding = ((PublicKey) o).getEncoded();
    } else if (o instanceof X509AttributeCertificate) {
        type = "ATTRIBUTE CERTIFICATE";
        encoding = ((X509V2AttributeCertificate) o).getEncoded();
    } else if (o instanceof PKCS10CertificationRequest) {
        type = "CERTIFICATE REQUEST";
        encoding = ((PKCS10CertificationRequest) o).getEncoded();
    } else if (o instanceof ContentInfo) {
        type = "PKCS7";
        encoding = ((ContentInfo) o).getEncoded();
    } else {
        throw new IOException("unknown object passed - can't encode.");
    }
    writeHeader(type);
    writeEncoded(encoding);
    writeFooter(type);
}

Example 57 with ContentInfo

use of com.github.zhenwei.pkix.util.asn1.cms.ContentInfo in project jmulticard by ctt-gob-es.

the class CMSSignedData method replaceCertificatesAndCRLs.

/**
 * Replace the certificate and CRL information associated with this
 * CMSSignedData object with the new one passed in.
 *
 * @param signedData the signed data object to be used as a base.
 * @param certificates the new certificates to be used.
 * @param attrCerts the new attribute certificates to be used.
 * @param revocations the new CRLs to be used - a collection of X509CRLHolder objects, OtherRevocationInfoFormat, or both.
 * @return a new signed data object.
 * @exception CMSException if there is an error processing the CertStore
 */
public static CMSSignedData replaceCertificatesAndCRLs(CMSSignedData signedData, Store certificates, Store attrCerts, Store revocations) throws CMSException {
    // 
    // copy
    // 
    CMSSignedData cms = new CMSSignedData(signedData);
    // 
    // replace the certs and revocations in the SignedData object
    // 
    ASN1Set certSet = null;
    ASN1Set crlSet = null;
    if (certificates != null || attrCerts != null) {
        List certs = new ArrayList();
        if (certificates != null) {
            certs.addAll(CMSUtils.getCertificatesFromStore(certificates));
        }
        if (attrCerts != null) {
            certs.addAll(CMSUtils.getAttributeCertificatesFromStore(attrCerts));
        }
        ASN1Set set = CMSUtils.createBerSetFromList(certs);
        if (set.size() != 0) {
            certSet = set;
        }
    }
    if (revocations != null) {
        ASN1Set set = CMSUtils.createBerSetFromList(CMSUtils.getCRLsFromStore(revocations));
        if (set.size() != 0) {
            crlSet = set;
        }
    }
    // 
    // replace the CMS structure.
    // 
    cms.signedData = new SignedData(signedData.signedData.getDigestAlgorithms(), signedData.signedData.getEncapContentInfo(), certSet, crlSet, signedData.signedData.getSignerInfos());
    // 
    // replace the contentInfo with the new one
    // 
    cms.contentInfo = new ContentInfo(cms.contentInfo.getContentType(), cms.signedData);
    return cms;
}

Example 58 with ContentInfo

use of com.github.zhenwei.pkix.util.asn1.cms.ContentInfo in project jmulticard by ctt-gob-es.

the class CMSSignedData method addDigestAlgorithm.

/**
 * Return a new CMSSignedData which guarantees to have the passed in digestAlgorithm
 * in it.
 *
 * @param signedData the signed data object to be used as a base.
 * @param digestAlgorithm the digest algorithm to be added to the signed data.
 * @return a new signed data object.
 */
public static CMSSignedData addDigestAlgorithm(CMSSignedData signedData, AlgorithmIdentifier digestAlgorithm) {
    Set<AlgorithmIdentifier> digestAlgorithms = signedData.getDigestAlgorithmIDs();
    AlgorithmIdentifier digestAlg = CMSSignedHelper.INSTANCE.fixDigestAlgID(digestAlgorithm, dgstAlgFinder);
    // 
    if (digestAlgorithms.contains(digestAlg)) {
        return signedData;
    }
    // 
    // copy
    // 
    CMSSignedData cms = new CMSSignedData(signedData);
    // 
    // build up the new set
    // 
    Set<AlgorithmIdentifier> digestAlgs = new HashSet<AlgorithmIdentifier>();
    Iterator it = digestAlgorithms.iterator();
    while (it.hasNext()) {
        digestAlgs.add(CMSSignedHelper.INSTANCE.fixDigestAlgID((AlgorithmIdentifier) it.next(), dgstAlgFinder));
    }
    digestAlgs.add(digestAlg);
    ASN1Set digests = CMSUtils.convertToDlSet(digestAlgs);
    ASN1Sequence sD = (ASN1Sequence) signedData.signedData.toASN1Primitive();
    ASN1EncodableVector vec = new ASN1EncodableVector();
    // 
    // signers are the last item in the sequence.
    // 
    // version
    vec.add(sD.getObjectAt(0));
    vec.add(digests);
    for (int i = 2; i != sD.size(); i++) {
        vec.add(sD.getObjectAt(i));
    }
    cms.signedData = SignedData.getInstance(new BERSequence(vec));
    // 
    // replace the contentInfo with the new one
    // 
    cms.contentInfo = new ContentInfo(cms.contentInfo.getContentType(), cms.signedData);
    return cms;
}

Example 59 with ContentInfo

use of com.github.zhenwei.pkix.util.asn1.cms.ContentInfo in project jmulticard by ctt-gob-es.

the class CMSSignedData method replaceSigners.

/**
 * Replace the SignerInformation store associated with this
 * CMSSignedData object with the new one passed in. You would
 * probably only want to do this if you wanted to change the unsigned
 * attributes associated with a signer, or perhaps delete one.
 *
 * @param signedData the signed data object to be used as a base.
 * @param signerInformationStore the new signer information store to use.
 * @return a new signed data object.
 */
public static CMSSignedData replaceSigners(CMSSignedData signedData, SignerInformationStore signerInformationStore) {
    // 
    // copy
    // 
    CMSSignedData cms = new CMSSignedData(signedData);
    // 
    // replace the store
    // 
    cms.signerInfoStore = signerInformationStore;
    // 
    // replace the signers in the SignedData object
    // 
    Set<AlgorithmIdentifier> digestAlgs = new HashSet<AlgorithmIdentifier>();
    ASN1EncodableVector vec = new ASN1EncodableVector();
    Iterator it = signerInformationStore.getSigners().iterator();
    while (it.hasNext()) {
        SignerInformation signer = (SignerInformation) it.next();
        CMSUtils.addDigestAlgs(digestAlgs, signer, dgstAlgFinder);
        vec.add(signer.toASN1Structure());
    }
    ASN1Set digests = CMSUtils.convertToDlSet(digestAlgs);
    ASN1Set signers = new DLSet(vec);
    ASN1Sequence sD = (ASN1Sequence) signedData.signedData.toASN1Primitive();
    vec = new ASN1EncodableVector();
    // 
    // signers are the last item in the sequence.
    // 
    // version
    vec.add(sD.getObjectAt(0));
    vec.add(digests);
    for (int i = 2; i != sD.size() - 1; i++) {
        vec.add(sD.getObjectAt(i));
    }
    vec.add(signers);
    cms.signedData = SignedData.getInstance(new BERSequence(vec));
    // 
    // replace the contentInfo with the new one
    // 
    cms.contentInfo = new ContentInfo(cms.contentInfo.getContentType(), cms.signedData);
    return cms;
}

Example 60 with ContentInfo

use of com.github.zhenwei.pkix.util.asn1.cms.ContentInfo in project OpenPDF by LibrePDF.

the class PdfPublicKeySecurityHandler method createDERForRecipient.

private ASN1Primitive createDERForRecipient(byte[] in, X509Certificate cert) throws IOException, GeneralSecurityException {
    String s = "1.2.840.113549.3.2";
    AlgorithmParameterGenerator algorithmparametergenerator = AlgorithmParameterGenerator.getInstance(s);
    AlgorithmParameters algorithmparameters = algorithmparametergenerator.generateParameters();
    ByteArrayInputStream bytearrayinputstream = new ByteArrayInputStream(algorithmparameters.getEncoded("ASN.1"));
    ASN1InputStream asn1inputstream = new ASN1InputStream(bytearrayinputstream);
    ASN1Primitive derobject = asn1inputstream.readObject();
    KeyGenerator keygenerator = KeyGenerator.getInstance(s);
    keygenerator.init(128);
    SecretKey secretkey = keygenerator.generateKey();
    Cipher cipher = Cipher.getInstance(s);
    cipher.init(1, secretkey, algorithmparameters);
    byte[] abyte1 = cipher.doFinal(in);
    DEROctetString deroctetstring = new DEROctetString(abyte1);
    KeyTransRecipientInfo keytransrecipientinfo = computeRecipientInfo(cert, secretkey.getEncoded());
    DERSet derset = new DERSet(new RecipientInfo(keytransrecipientinfo));
    AlgorithmIdentifier algorithmidentifier = new AlgorithmIdentifier(new ASN1ObjectIdentifier(s), derobject);
    EncryptedContentInfo encryptedcontentinfo = new EncryptedContentInfo(PKCSObjectIdentifiers.data, algorithmidentifier, deroctetstring);
    ASN1Set set = null;
    EnvelopedData env = new EnvelopedData(null, derset, encryptedcontentinfo, set);
    ContentInfo contentinfo = new ContentInfo(PKCSObjectIdentifiers.envelopedData, env);
    // return contentinfo.getDERObject();
    return contentinfo.toASN1Primitive();
// ******************************************************************************
}