Package org.bouncycastle.asn1.cms

Examples of org.bouncycastle.asn1.cms.SignerInfo

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                v.add(new DERObjectIdentifier(ID_CONTENT_TYPE));
                v.add(new DERSet(new DERObjectIdentifier(ID_PKCS7_DATA)));
                attribute.add(new DERSequence(v));
                v = new ASN1EncodableVector();
                v.add(new DERObjectIdentifier(ID_SIGNING_TIME));
                v.add(new DERSet(new DERUTCTime(signingTime.getTime())));
                attribute.add(new DERSequence(v));
                v = new ASN1EncodableVector();
                v.add(new DERObjectIdentifier(ID_MESSAGE_DIGEST));
                v.add(new DERSet(new DEROctetString(secondDigest)));
                attribute.add(new DERSequence(v));
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            v.add(new DERObjectIdentifier(ID_CONTENT_TYPE));
            v.add(new DERSet(new DERObjectIdentifier(ID_PKCS7_DATA)));
            attribute.add(new DERSequence(v));
            v = new ASN1EncodableVector();
            v.add(new DERObjectIdentifier(ID_SIGNING_TIME));
            v.add(new DERSet(new DERUTCTime(signingTime.getTime())));
            attribute.add(new DERSequence(v));
            v = new ASN1EncodableVector();
            v.add(new DERObjectIdentifier(ID_MESSAGE_DIGEST));
            v.add(new DERSet(new DEROctetString(secondDigest)));
            attribute.add(new DERSequence(v));
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            }

            Enumeration sis = sd.getSignerInfos().getObjects();

            if (sis.hasMoreElements()) {
                SignerInfo si = new SignerInfo((ASN1Sequence) sis.nextElement());
                Enumeration attr = si.getAuthenticatedAttributes().getObjects();

                while (attr.hasMoreElements()) {
                    Attribute a = new Attribute((ASN1Sequence) attr.nextElement());

                    log.debug("Found attribute: " + a.getAttrType().getId());
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                ASN1SetParser     s = _signedData.getSignerInfos();
                DEREncodable      o;
               
                while ((o = s.readObject()) != null)
                {
                    SignerInfo info = SignerInfo.getInstance(o.getDERObject());
                    String     digestName = HELPER.getDigestAlgName(info.getDigestAlgorithm().getObjectId().getId());
                   
                    byte[] hash = (byte[])hashes.get(digestName);
                   
                    signerInfos.add(new SignerInformation(info, new DERObjectIdentifier(_signedContent.getContentType()), null, new BaseDigestCalculator(hash)));
                }
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            ASN1Set values = counterSignatureAttribute.getAttrValues();
            counterSignatures = new ArrayList(values.size());

            for (Enumeration en = values.getObjects(); en.hasMoreElements();)
            {
                SignerInfo si = SignerInfo.getInstance(en.nextElement());

                String          digestName = CMSSignedHelper.INSTANCE.getDigestAlgName(si.getDigestAlgorithm().getObjectId().getId());
               
                counterSignatures.add(new SignerInformation(si, CMSAttributes.counterSignature, null, new CounterSignatureDigestCalculator(digestName, null, getSignature())));
            }
        }
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     */
    public static SignerInformation replaceUnsignedAttributes(
        SignerInformation   signerInformation,
        AttributeTable      unsignedAttributes)
    {
        SignerInfo  sInfo = signerInformation.info;
        ASN1Set     unsignedAttr = null;
       
        if (unsignedAttributes != null)
        {
            unsignedAttr = new DERSet(unsignedAttributes.toASN1EncodableVector());
        }
       
        return new SignerInformation(
                new SignerInfo(sInfo.getSID(), sInfo.getDigestAlgorithm(),
                    sInfo.getAuthenticatedAttributes(), sInfo.getDigestEncryptionAlgorithm(), sInfo.getEncryptedDigest(), unsignedAttr),
                    signerInformation.contentType, signerInformation.content, null);
    }
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     */
    public static SignerInformation addCounterSigners(
        SignerInformation        signerInformation,
        SignerInformationStore   counterSigners)
    {
        SignerInfo          sInfo = signerInformation.info;
        AttributeTable      unsignedAttr = signerInformation.getUnsignedAttributes();
        ASN1EncodableVector v;

        if (unsignedAttr != null)
        {
            v = unsignedAttr.toASN1EncodableVector();
        }
        else
        {
            v = new ASN1EncodableVector();
        }

        ASN1EncodableVector sigs = new ASN1EncodableVector();

        for (Iterator it = counterSigners.getSigners().iterator(); it.hasNext();)
        {
            sigs.add(((SignerInformation)it.next()).toSignerInfo());
        }

        v.add(new Attribute(CMSAttributes.counterSignature, new DERSet(sigs)));

        return new SignerInformation(
                new SignerInfo(sInfo.getSID(), sInfo.getDigestAlgorithm(),
                    sInfo.getAuthenticatedAttributes(), sInfo.getDigestEncryptionAlgorithm(), sInfo.getEncryptedDigest(), new DERSet(v)),
                    signerInformation.contentType, signerInformation.content, null);
    }
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    private boolean checkForVersion3(List signerInfos)
    {
        for (Iterator it = signerInfos.iterator(); it.hasNext();)
        {
            SignerInfo s = SignerInfo.getInstance(((SignerInformation)it.next()).toSignerInfo());

            if (s.getVersion().getValue().intValue() == 3)
            {
                return true;
            }
        }
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            X509Certificate         cert = this.getCertificate();
            ASN1InputStream         aIn = new ASN1InputStream(cert.getTBSCertificate());
            TBSCertificateStructure tbs = TBSCertificateStructure.getInstance(aIn.readObject());
            IssuerAndSerialNumber   encSid = new IssuerAndSerialNumber(tbs.getIssuer(), tbs.getSerialNumber().getValue());

            return new SignerInfo(new SignerIdentifier(encSid), digAlgId,
                        signedAttr, encAlgId, encDigest, unsignedAttr);
        }
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            ByteArrayInputStream    bIn = new ByteArrayInputStream(cert.getTBSCertificate());
            ASN1InputStream         aIn = new ASN1InputStream(bIn);
            TBSCertificateStructure tbs = TBSCertificateStructure.getInstance(aIn.readObject());
            IssuerAndSerialNumber   encSid = new IssuerAndSerialNumber(tbs.getIssuer(), tbs.getSerialNumber().getValue());

            return new SignerInfo(new SignerIdentifier(encSid), digAlgId,
                        signedAttr, encAlgId, encDigest, unsignedAttr);
        }
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Related Classes of org.bouncycastle.asn1.cms.SignerInfo

  • org.bouncycastle.asn1.ASN1Encodable
  • org.bouncycastle.asn1.ASN1EncodableVector
  • org.bouncycastle.asn1.ASN1Integer
  • org.bouncycastle.asn1.ASN1SequenceParser
  • org.bouncycastle.asn1.ASN1SetParser
  • org.bouncycastle.asn1.BERSequence
  • org.bouncycastle.asn1.BERTaggedObject
  • org.bouncycastle.asn1.cms.AuthEnvelopedDataParser
  • org.bouncycastle.asn1.cms.CompressedData
  • org.bouncycastle.asn1.cms.EncryptedContentInfo
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