Example usage for org.bouncycastle.cms SignerInformation getEncryptionAlgParams

List of usage examples for org.bouncycastle.cms SignerInformation getEncryptionAlgParams

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Introduction

In this page you can find the example usage for org.bouncycastle.cms SignerInformation getEncryptionAlgParams.

Prototype

public byte[] getEncryptionAlgParams()

Source Link

Document

return the signature/encryption algorithm parameters, or null if there aren't any.

Usage

From source file:org.xipki.pki.scep.message.DecodedNextCaMessage.java

License:Open Source License

@SuppressWarnings("unchecked")
public static DecodedNextCaMessage decode(final CMSSignedData pkiMessage,
        final CollectionStore<X509CertificateHolder> certStore) throws MessageDecodingException {
    ParamUtil.requireNonNull("pkiMessage", pkiMessage);

    SignerInformationStore signerStore = pkiMessage.getSignerInfos();
    Collection<SignerInformation> signerInfos = signerStore.getSigners();
    if (signerInfos.size() != 1) {
        throw new MessageDecodingException("number of signerInfos is not 1, but " + signerInfos.size());
    }//from  w  w  w  . j  av a  2 s  .  c  om

    SignerInformation signerInfo = signerInfos.iterator().next();

    SignerId sid = signerInfo.getSID();

    Collection<?> signedDataCerts = null;
    if (certStore != null) {
        signedDataCerts = certStore.getMatches(sid);
    }

    if (signedDataCerts == null || signedDataCerts.isEmpty()) {
        signedDataCerts = pkiMessage.getCertificates().getMatches(signerInfo.getSID());
    }

    if (signedDataCerts == null || signedDataCerts.size() != 1) {
        throw new MessageDecodingException("could not find embedded certificate to verify the signature");
    }

    AttributeTable signedAttrs = signerInfo.getSignedAttributes();
    if (signedAttrs == null) {
        throw new MessageDecodingException("missing signed attributes");
    }

    Date signingTime = null;
    // signingTime
    ASN1Encodable attrValue = ScepUtil.getFirstAttrValue(signedAttrs, CMSAttributes.signingTime);
    if (attrValue != null) {
        signingTime = Time.getInstance(attrValue).getDate();
    }

    DecodedNextCaMessage ret = new DecodedNextCaMessage();
    if (signingTime != null) {
        ret.setSigningTime(signingTime);
    }

    ASN1ObjectIdentifier digestAlgOid = signerInfo.getDigestAlgorithmID().getAlgorithm();
    ret.setDigestAlgorithm(digestAlgOid);

    String sigAlgOid = signerInfo.getEncryptionAlgOID();
    if (!PKCSObjectIdentifiers.rsaEncryption.getId().equals(sigAlgOid)) {
        ASN1ObjectIdentifier tmpDigestAlgOid;
        try {
            tmpDigestAlgOid = ScepUtil.extractDigesetAlgorithmIdentifier(signerInfo.getEncryptionAlgOID(),
                    signerInfo.getEncryptionAlgParams());
        } catch (Exception ex) {
            final String msg = "could not extract digest algorithm from signerInfo.signatureAlgorithm: "
                    + ex.getMessage();
            LOG.error(msg);
            LOG.debug(msg, ex);
            ret.setFailureMessage(msg);
            return ret;
        }
        if (!digestAlgOid.equals(tmpDigestAlgOid)) {
            ret.setFailureMessage(
                    "digestAlgorithm and encryptionAlgorithm do not use" + " the same digestAlgorithm");
            return ret;
        }
    } // end if

    X509CertificateHolder tmpSignerCert = (X509CertificateHolder) signedDataCerts.iterator().next();
    X509Certificate signerCert;
    try {
        signerCert = ScepUtil.toX509Cert(tmpSignerCert.toASN1Structure());
    } catch (CertificateException ex) {
        final String msg = "could not construct X509CertificateObject: " + ex.getMessage();
        LOG.error(msg);
        LOG.debug(msg, ex);
        ret.setFailureMessage(msg);
        return ret;
    }
    ret.setSignatureCert(signerCert);

    // validate the signature
    SignerInformationVerifier verifier;
    try {
        verifier = new JcaSimpleSignerInfoVerifierBuilder().build(signerCert.getPublicKey());
    } catch (OperatorCreationException ex) {
        final String msg = "could not build signature verifier: " + ex.getMessage();
        LOG.error(msg);
        LOG.debug(msg, ex);
        ret.setFailureMessage(msg);
        return ret;
    }

    boolean signatureValid;
    try {
        signatureValid = signerInfo.verify(verifier);
    } catch (CMSException ex) {
        final String msg = "could not verify the signature: " + ex.getMessage();
        LOG.error(msg);
        LOG.debug(msg, ex);
        ret.setFailureMessage(msg);
        return ret;
    }

    ret.setSignatureValid(signatureValid);
    if (!signatureValid) {
        return ret;
    }

    // MessageData
    CMSTypedData signedContent = pkiMessage.getSignedContent();
    ASN1ObjectIdentifier signedContentType = signedContent.getContentType();
    if (!CMSObjectIdentifiers.signedData.equals(signedContentType)) {
        // fall back: some SCEP client use id-data
        if (!CMSObjectIdentifiers.data.equals(signedContentType)) {
            ret.setFailureMessage(
                    "either id-signedData or id-data is excepted, but not '" + signedContentType.getId());
            return ret;
        }
    }

    ContentInfo contentInfo = ContentInfo.getInstance((byte[]) signedContent.getContent());
    SignedData signedData = SignedData.getInstance(contentInfo.getContent());

    List<X509Certificate> certs;
    try {
        certs = ScepUtil.getCertsFromSignedData(signedData);
    } catch (CertificateException ex) {
        final String msg = "could not extract Certificates from the message: " + ex.getMessage();
        LOG.error(msg);
        LOG.debug(msg, ex);
        ret.setFailureMessage(msg);
        return ret;
    }

    final int n = certs.size();

    X509Certificate caCert = null;
    List<X509Certificate> raCerts = new LinkedList<X509Certificate>();
    for (int i = 0; i < n; i++) {
        X509Certificate cert = certs.get(i);
        if (cert.getBasicConstraints() > -1) {
            if (caCert != null) {
                final String msg = "multiple CA certificates is returned, but exactly 1 is expected";
                LOG.error(msg);
                ret.setFailureMessage(msg);
                return ret;
            }
            caCert = cert;
        } else {
            raCerts.add(cert);
        }
    } // end for

    if (caCert == null) {
        final String msg = "no CA certificate is returned";
        LOG.error(msg);
        ret.setFailureMessage(msg);
        return ret;
    }

    X509Certificate[] locaRaCerts;
    if (raCerts.isEmpty()) {
        locaRaCerts = null;
    } else {
        locaRaCerts = raCerts.toArray(new X509Certificate[0]);
    }

    AuthorityCertStore authorityCertStore = AuthorityCertStore.getInstance(caCert, locaRaCerts);
    ret.setAuthorityCertStore(authorityCertStore);

    return ret;
}

From source file:org.xipki.pki.scep.message.DecodedPkiMessage.java

License:Open Source License

@SuppressWarnings("unchecked")
public static DecodedPkiMessage decode(final CMSSignedData pkiMessage, final EnvelopedDataDecryptor recipient,
        final CollectionStore<X509CertificateHolder> certStore) throws MessageDecodingException {
    ParamUtil.requireNonNull("pkiMessage", pkiMessage);
    ParamUtil.requireNonNull("recipient", recipient);

    SignerInformationStore signerStore = pkiMessage.getSignerInfos();
    Collection<SignerInformation> signerInfos = signerStore.getSigners();
    if (signerInfos.size() != 1) {
        throw new MessageDecodingException("number of signerInfos is not 1, but " + signerInfos.size());
    }/*from  w w w  .jav  a  2 s  . c  o  m*/

    SignerInformation signerInfo = signerInfos.iterator().next();
    SignerId sid = signerInfo.getSID();

    Collection<?> signedDataCerts = null;
    if (certStore != null) {
        signedDataCerts = certStore.getMatches(sid);
    }

    if (signedDataCerts == null || signedDataCerts.isEmpty()) {
        signedDataCerts = pkiMessage.getCertificates().getMatches(signerInfo.getSID());
    }

    if (signedDataCerts == null || signedDataCerts.size() != 1) {
        throw new MessageDecodingException("could not find embedded certificate to verify the signature");
    }

    AttributeTable signedAttrs = signerInfo.getSignedAttributes();
    if (signedAttrs == null) {
        throw new MessageDecodingException("missing SCEP attributes");
    }

    Date signingTime = null;
    // signingTime
    ASN1Encodable attrValue = ScepUtil.getFirstAttrValue(signedAttrs, CMSAttributes.signingTime);
    if (attrValue != null) {
        signingTime = Time.getInstance(attrValue).getDate();
    }

    // transactionId
    String str = getPrintableStringAttrValue(signedAttrs, ScepObjectIdentifiers.ID_TRANSACTION_ID);
    if (str == null || str.isEmpty()) {
        throw new MessageDecodingException("missing required SCEP attribute transactionId");
    }
    TransactionId transactionId = new TransactionId(str);

    // messageType
    Integer intValue = getIntegerPrintStringAttrValue(signedAttrs, ScepObjectIdentifiers.ID_MESSAGE_TYPE);
    if (intValue == null) {
        throw new MessageDecodingException(
                "tid " + transactionId.getId() + ": missing required SCEP attribute messageType");
    }

    MessageType messageType;
    try {
        messageType = MessageType.forValue(intValue);
    } catch (IllegalArgumentException ex) {
        throw new MessageDecodingException(
                "tid " + transactionId.getId() + ": invalid messageType '" + intValue + "'");
    }

    // senderNonce
    Nonce senderNonce = getNonceAttrValue(signedAttrs, ScepObjectIdentifiers.ID_SENDER_NONCE);
    if (senderNonce == null) {
        throw new MessageDecodingException(
                "tid " + transactionId.getId() + ": missing required SCEP attribute senderNonce");
    }

    DecodedPkiMessage ret = new DecodedPkiMessage(transactionId, messageType, senderNonce);
    if (signingTime != null) {
        ret.setSigningTime(signingTime);
    }

    Nonce recipientNonce = null;
    try {
        recipientNonce = getNonceAttrValue(signedAttrs, ScepObjectIdentifiers.ID_RECIPIENT_NONCE);
    } catch (MessageDecodingException ex) {
        ret.setFailureMessage("could not parse recipientNonce: " + ex.getMessage());
    }

    if (recipientNonce != null) {
        ret.setRecipientNonce(recipientNonce);
    }

    PkiStatus pkiStatus = null;
    FailInfo failInfo = null;
    if (MessageType.CertRep == messageType) {
        // pkiStatus
        try {
            intValue = getIntegerPrintStringAttrValue(signedAttrs, ScepObjectIdentifiers.ID_PKI_STATUS);
        } catch (MessageDecodingException ex) {
            ret.setFailureMessage("could not parse pkiStatus: " + ex.getMessage());
            return ret;
        }

        if (intValue == null) {
            ret.setFailureMessage("missing required SCEP attribute pkiStatus");
            return ret;
        }

        try {
            pkiStatus = PkiStatus.forValue(intValue);
        } catch (IllegalArgumentException ex) {
            ret.setFailureMessage("invalid pkiStatus '" + intValue + "'");
            return ret;
        }
        ret.setPkiStatus(pkiStatus);

        // failureInfo
        if (pkiStatus == PkiStatus.FAILURE) {
            try {
                intValue = getIntegerPrintStringAttrValue(signedAttrs, ScepObjectIdentifiers.ID_FAILINFO);
            } catch (MessageDecodingException ex) {
                ret.setFailureMessage("could not parse failInfo: " + ex.getMessage());
                return ret;
            }

            if (intValue == null) {
                ret.setFailureMessage("missing required SCEP attribute failInfo");
                return ret;
            }

            try {
                failInfo = FailInfo.forValue(intValue);
            } catch (IllegalArgumentException ex) {
                ret.setFailureMessage("invalid failInfo '" + intValue + "'");
                return ret;
            }

            ret.setFailInfo(failInfo);
        } // end if(pkiStatus == PkiStatus.FAILURE)
    } // end if (MessageType.CertRep == messageType)

    // other signedAttributes
    Attribute[] attrs = signedAttrs.toASN1Structure().getAttributes();
    for (Attribute attr : attrs) {
        ASN1ObjectIdentifier type = attr.getAttrType();
        if (!SCEP_ATTR_TYPES.contains(type)) {
            ret.addSignendAttribute(type, attr.getAttrValues().getObjectAt(0));
        }
    }

    // unsignedAttributes
    AttributeTable unsignedAttrs = signerInfo.getUnsignedAttributes();
    attrs = (unsignedAttrs == null) ? null : unsignedAttrs.toASN1Structure().getAttributes();
    if (attrs != null) {
        for (Attribute attr : attrs) {
            ASN1ObjectIdentifier type = attr.getAttrType();
            ret.addUnsignendAttribute(type, attr.getAttrValues().getObjectAt(0));
        }
    }

    ASN1ObjectIdentifier digestAlgOid = signerInfo.getDigestAlgorithmID().getAlgorithm();
    ret.setDigestAlgorithm(digestAlgOid);

    String sigAlgOid = signerInfo.getEncryptionAlgOID();
    if (!PKCSObjectIdentifiers.rsaEncryption.getId().equals(sigAlgOid)) {
        ASN1ObjectIdentifier tmpDigestAlgOid;
        try {
            tmpDigestAlgOid = ScepUtil.extractDigesetAlgorithmIdentifier(signerInfo.getEncryptionAlgOID(),
                    signerInfo.getEncryptionAlgParams());
        } catch (Exception ex) {
            final String msg = "could not extract digest algorithm from signerInfo.signatureAlgorithm: "
                    + ex.getMessage();
            LOG.error(msg);
            LOG.debug(msg, ex);
            ret.setFailureMessage(msg);
            return ret;
        }
        if (!digestAlgOid.equals(tmpDigestAlgOid)) {
            ret.setFailureMessage(
                    "digestAlgorithm and encryptionAlgorithm do not use the" + " same digestAlgorithm");
            return ret;
        } // end if
    } // end if

    X509CertificateHolder tmpSignerCert = (X509CertificateHolder) signedDataCerts.iterator().next();
    X509Certificate signerCert;
    try {
        signerCert = ScepUtil.toX509Cert(tmpSignerCert.toASN1Structure());
    } catch (CertificateException ex) {
        final String msg = "could not construct X509Certificate: " + ex.getMessage();
        LOG.error(msg);
        LOG.debug(msg, ex);
        ret.setFailureMessage(msg);
        return ret;
    }
    ret.setSignatureCert(signerCert);

    // validate the signature
    SignerInformationVerifier verifier;
    try {
        verifier = new JcaSimpleSignerInfoVerifierBuilder().build(signerCert.getPublicKey());
    } catch (OperatorCreationException ex) {
        final String msg = "could not build signature verifier: " + ex.getMessage();
        LOG.error(msg);
        LOG.debug(msg, ex);
        ret.setFailureMessage(msg);
        return ret;
    }

    boolean signatureValid;
    try {
        signatureValid = signerInfo.verify(verifier);
    } catch (CMSException ex) {
        final String msg = "could not verify the signature: " + ex.getMessage();
        LOG.error(msg);
        LOG.debug(msg, ex);
        ret.setFailureMessage(msg);
        return ret;
    }

    ret.setSignatureValid(signatureValid);
    if (!signatureValid) {
        return ret;
    }

    if (MessageType.CertRep == messageType
            && (pkiStatus == PkiStatus.FAILURE | pkiStatus == PkiStatus.PENDING)) {
        return ret;
    }

    // MessageData
    CMSTypedData signedContent = pkiMessage.getSignedContent();
    ASN1ObjectIdentifier signedContentType = signedContent.getContentType();
    if (!CMSObjectIdentifiers.envelopedData.equals(signedContentType)) {
        // fall back: some SCEP client, such as JSCEP use id-data
        if (!CMSObjectIdentifiers.data.equals(signedContentType)) {
            ret.setFailureMessage(
                    "either id-envelopedData or id-data is excepted, but not '" + signedContentType.getId());
            return ret;
        }
    }

    CMSEnvelopedData envData;
    try {
        envData = new CMSEnvelopedData((byte[]) signedContent.getContent());
    } catch (CMSException ex) {
        final String msg = "could not create the CMSEnvelopedData: " + ex.getMessage();
        LOG.error(msg);
        LOG.debug(msg, ex);
        ret.setFailureMessage(msg);
        return ret;
    }

    ret.setContentEncryptionAlgorithm(envData.getContentEncryptionAlgorithm().getAlgorithm());
    byte[] encodedMessageData;
    try {
        encodedMessageData = recipient.decrypt(envData);
    } catch (MessageDecodingException ex) {
        final String msg = "could not create the CMSEnvelopedData: " + ex.getMessage();
        LOG.error(msg);
        LOG.debug(msg, ex);
        ret.setFailureMessage(msg);

        ret.setDecryptionSuccessful(false);
        return ret;
    }

    ret.setDecryptionSuccessful(true);

    try {
        if (MessageType.PKCSReq == messageType || MessageType.RenewalReq == messageType
                || MessageType.UpdateReq == messageType) {
            CertificationRequest messageData = CertificationRequest.getInstance(encodedMessageData);
            ret.setMessageData(messageData);
        } else if (MessageType.CertPoll == messageType) {
            IssuerAndSubject messageData = IssuerAndSubject.getInstance(encodedMessageData);
            ret.setMessageData(messageData);
        } else if (MessageType.GetCert == messageType || MessageType.GetCRL == messageType) {
            IssuerAndSerialNumber messageData = IssuerAndSerialNumber.getInstance(encodedMessageData);
            ret.setMessageData(messageData);
            ret.setMessageData(messageData);
        } else if (MessageType.CertRep == messageType) {
            ContentInfo ci = ContentInfo.getInstance(encodedMessageData);
            ret.setMessageData(ci);
        } else {
            throw new RuntimeException("should not reach here, unknown messageType " + messageType);
        }
    } catch (Exception ex) {
        final String msg = "could not parse the messageData: " + ex.getMessage();
        LOG.error(msg);
        LOG.debug(msg, ex);
        ret.setFailureMessage(msg);
        return ret;
    }

    return ret;
}