List of usage examples for org.bouncycastle.asn1.cms RecipientIdentifier getId
public ASN1Encodable getId()
From source file:org.ejbca.core.protocol.scep.ScepRequestMessage.java
License:Open Source License
private void init() throws IOException { if (log.isTraceEnabled()) { log.trace(">init"); }// www .j ava2 s . co m try { CMSSignedData csd = new CMSSignedData(scepmsg); SignerInformationStore infoStore = csd.getSignerInfos(); @SuppressWarnings("unchecked") Collection<SignerInformation> signers = infoStore.getSigners(); Iterator<SignerInformation> iter = signers.iterator(); if (iter.hasNext()) { SignerInformation si = (SignerInformation) iter.next(); preferredDigestAlg = si.getDigestAlgOID(); log.debug("Set " + preferredDigestAlg + " as preferred digest algorithm for SCEP"); } } catch (CMSException e) { // ignore, use default digest algo log.error("CMSException trying to get preferred digest algorithm: ", e); } // Parse and verify the integrity of the PKIOperation message PKCS#7 /* If this would have been done using the newer CMS it would have made me so much happier... */ ASN1InputStream seqAsn1InputStream = new ASN1InputStream(new ByteArrayInputStream(scepmsg)); ASN1Sequence seq = null; try { seq = (ASN1Sequence) seqAsn1InputStream.readObject(); } finally { seqAsn1InputStream.close(); } ContentInfo ci = ContentInfo.getInstance(seq); String ctoid = ci.getContentType().getId(); if (ctoid.equals(CMSObjectIdentifiers.signedData.getId())) { // This is SignedData so it is a pkcsCertReqSigned, pkcsGetCertInitialSigned, pkcsGetCertSigned, pkcsGetCRLSigned // (could also be pkcsRepSigned or certOnly, but we don't receive them on the server side // Try to find out what kind of message this is sd = SignedData.getInstance((ASN1Sequence) ci.getContent()); // Get self signed cert to identify the senders public key ASN1Set certs = sd.getCertificates(); if (certs.size() > 0) { // There should be only one... ASN1Encodable dercert = certs.getObjectAt(0); if (dercert != null) { // Requester's self-signed certificate is requestKeyInfo ByteArrayOutputStream bOut = new ByteArrayOutputStream(); DEROutputStream dOut = new DEROutputStream(bOut); dOut.writeObject(dercert); if (bOut.size() > 0) { requestKeyInfo = bOut.toByteArray(); //Create Certificate used for debugging try { signercert = CertTools.getCertfromByteArray(requestKeyInfo); if (log.isDebugEnabled()) { log.debug("requestKeyInfo is SubjectDN: " + CertTools.getSubjectDN(signercert) + ", Serial=" + CertTools.getSerialNumberAsString(signercert) + "; IssuerDN: " + CertTools.getIssuerDN(signercert).toString()); } } catch (CertificateException e) { log.error("Error parsing requestKeyInfo : ", e); } } } } Enumeration<?> sis = sd.getSignerInfos().getObjects(); if (sis.hasMoreElements()) { SignerInfo si = SignerInfo.getInstance((ASN1Sequence) sis.nextElement()); Enumeration<?> attr = si.getAuthenticatedAttributes().getObjects(); while (attr.hasMoreElements()) { Attribute a = Attribute.getInstance((ASN1Sequence) attr.nextElement()); if (log.isDebugEnabled()) { log.debug("Found attribute: " + a.getAttrType().getId()); } if (a.getAttrType().getId().equals(id_senderNonce)) { Enumeration<?> values = a.getAttrValues().getObjects(); ASN1OctetString str = ASN1OctetString.getInstance(values.nextElement()); senderNonce = new String(Base64.encode(str.getOctets(), false)); if (log.isDebugEnabled()) { log.debug("senderNonce = " + senderNonce); } } if (a.getAttrType().getId().equals(id_transId)) { Enumeration<?> values = a.getAttrValues().getObjects(); DERPrintableString str = DERPrintableString.getInstance(values.nextElement()); transactionId = str.getString(); if (log.isDebugEnabled()) { log.debug("transactionId = " + transactionId); } } if (a.getAttrType().getId().equals(id_messageType)) { Enumeration<?> values = a.getAttrValues().getObjects(); DERPrintableString str = DERPrintableString.getInstance(values.nextElement()); messageType = Integer.parseInt(str.getString()); if (log.isDebugEnabled()) { log.debug("messagetype = " + messageType); } } } } // If this is a PKCSReq if ((messageType == ScepRequestMessage.SCEP_TYPE_PKCSREQ) || (messageType == ScepRequestMessage.SCEP_TYPE_GETCRL) || (messageType == ScepRequestMessage.SCEP_TYPE_GETCERTINITIAL)) { // Extract the contents, which is an encrypted PKCS10 if messageType == 19 // , and an encrypted issuer and subject if messageType == 20 (not extracted) // and an encrypted IssuerAndSerialNumber if messageType == 22 ci = sd.getEncapContentInfo(); ctoid = ci.getContentType().getId(); if (ctoid.equals(CMSObjectIdentifiers.data.getId())) { ASN1OctetString content = (ASN1OctetString) ci.getContent(); if (log.isDebugEnabled()) { log.debug("envelopedData is " + content.getOctets().length + " bytes."); } ASN1InputStream seq1Asn1InputStream = new ASN1InputStream( new ByteArrayInputStream(content.getOctets())); ASN1Sequence seq1 = null; try { seq1 = (ASN1Sequence) seq1Asn1InputStream.readObject(); } finally { seq1Asn1InputStream.close(); } envEncData = ContentInfo.getInstance(seq1); ctoid = envEncData.getContentType().getId(); if (ctoid.equals(CMSObjectIdentifiers.envelopedData.getId())) { envData = EnvelopedData.getInstance((ASN1Sequence) envEncData.getContent()); ASN1Set recipientInfos = envData.getRecipientInfos(); Enumeration<?> e = recipientInfos.getObjects(); while (e.hasMoreElements()) { RecipientInfo ri = RecipientInfo.getInstance(e.nextElement()); KeyTransRecipientInfo recipientInfo = KeyTransRecipientInfo.getInstance(ri.getInfo()); RecipientIdentifier rid = recipientInfo.getRecipientIdentifier(); IssuerAndSerialNumber iasn = IssuerAndSerialNumber.getInstance(rid.getId()); issuerDN = iasn.getName().toString(); serialNo = iasn.getSerialNumber().getValue(); if (log.isDebugEnabled()) { log.debug("IssuerDN: " + issuerDN); log.debug("SerialNumber: " + iasn.getSerialNumber().getValue().toString(16)); } } } else { errorText = "EncapsulatedContentInfo does not contain PKCS7 envelopedData: "; log.error(errorText + ctoid); error = 2; } } else { errorText = "EncapsulatedContentInfo is not of type 'data': "; log.error(errorText + ctoid); error = 3; } } else { errorText = "This is not a certification request!"; log.error(errorText); error = 4; } } else { errorText = "PKCSReq does not contain 'signedData': "; log.error(errorText + ctoid); error = 1; } log.trace("<init"); }