Examples with ASN1OctetString org.bouncycastle.asn1.ASN1OctetString used on opensource projects

Example 6 with ASN1OctetString

use of org.bouncycastle.asn1.ASN1OctetString in project nhin-d by DirectProject.

the class TrustChainValidator method getObject.

private DERObject getObject(byte[] ext) {
    ASN1InputStream aIn = null;
    try {
        aIn = new ASN1InputStream(ext);
        ASN1OctetString octs = (ASN1OctetString) aIn.readObject();
        IOUtils.closeQuietly(aIn);
        aIn = new ASN1InputStream(octs.getOctets());
        return aIn.readObject();
    } catch (Exception e) {
        throw new IllegalArgumentException("Exception processing data ", e);
    } finally {
        IOUtils.closeQuietly(aIn);
    }
}

Example 7 with ASN1OctetString

use of org.bouncycastle.asn1.ASN1OctetString in project nhin-d by DirectProject.

the class MessageSigInspector method getObject.

protected static DERObject getObject(byte[] ext) throws PolicyProcessException {
    ASN1InputStream aIn = null;
    try {
        aIn = new ASN1InputStream(ext);
        ASN1OctetString octs = (ASN1OctetString) aIn.readObject();
        IOUtils.closeQuietly(aIn);
        aIn = new ASN1InputStream(octs.getOctets());
        return aIn.readObject();
    } catch (Exception e) {
        throw new PolicyProcessException("Exception processing data ", e);
    } finally {
        IOUtils.closeQuietly(aIn);
    }
}

Example 8 with ASN1OctetString

use of org.bouncycastle.asn1.ASN1OctetString in project nhin-d by DirectProject.

the class MessageSigInspector method main.

public static void main(String[] args) {
    if (args.length == 0) {
        //printUsage();
        System.exit(-1);
    }
    String messgefile = null;
    for (int i = 0; i < args.length; i++) {
        String arg = args[i];
        // Options
        if (!arg.startsWith("-")) {
            System.err.println("Error: Unexpected argument [" + arg + "]\n");
            //printUsage();
            System.exit(-1);
        } else if (arg.equalsIgnoreCase("-msgFile")) {
            if (i == args.length - 1 || args[i + 1].startsWith("-")) {
                System.err.println("Error: Missing message file");
                System.exit(-1);
            }
            messgefile = args[++i];
        } else if (arg.equals("-help")) {
            //printUsage();
            System.exit(-1);
        } else {
            System.err.println("Error: Unknown argument " + arg + "\n");
            //printUsage();
            System.exit(-1);
        }
    }
    if (messgefile == null) {
        System.err.println("Error: missing message file\n");
    }
    InputStream inStream = null;
    try {
        inStream = FileUtils.openInputStream(new File(messgefile));
        MimeMessage message = new MimeMessage(null, inStream);
        MimeMultipart mm = (MimeMultipart) message.getContent();
        //byte[] messageBytes = EntitySerializer.Default.serializeToBytes(mm.getBodyPart(0).getContent());
        //MimeBodyPart signedContent = null;
        //signedContent = new MimeBodyPart(new ByteArrayInputStream(messageBytes));
        final CMSSignedData signed = new CMSSignedData(new CMSProcessableBodyPart(mm.getBodyPart(0)), mm.getBodyPart(1).getInputStream());
        CertStore certs = signed.getCertificatesAndCRLs("Collection", CryptoExtensions.getJCEProviderName());
        SignerInformationStore signers = signed.getSignerInfos();
        @SuppressWarnings("unchecked") Collection<SignerInformation> c = signers.getSigners();
        System.out.println("Found " + c.size() + " signers");
        int cnt = 1;
        for (SignerInformation signer : c) {
            Collection<? extends Certificate> certCollection = certs.getCertificates(signer.getSID());
            if (certCollection != null && certCollection.size() > 0) {
                X509Certificate cert = (X509Certificate) certCollection.iterator().next();
                System.out.println("\r\nInfo for certificate " + cnt++);
                System.out.println("\tSubject " + cert.getSubjectDN());
                FileUtils.writeByteArrayToFile(new File("SigCert.der"), cert.getEncoded());
                byte[] bytes = cert.getExtensionValue("2.5.29.15");
                if (bytes != null) {
                    final DERObject obj = getObject(bytes);
                    final KeyUsage keyUsage = new KeyUsage((DERBitString) obj);
                    final byte[] data = keyUsage.getBytes();
                    final int intValue = (data.length == 1) ? data[0] & 0xff : (data[1] & 0xff) << 8 | (data[0] & 0xff);
                    System.out.println("\tKey Usage: " + intValue);
                } else
                    System.out.println("\tKey Usage: NONE");
                //verify and get the digests
                final Attribute digAttr = signer.getSignedAttributes().get(CMSAttributes.messageDigest);
                final DERObject hashObj = digAttr.getAttrValues().getObjectAt(0).getDERObject();
                final byte[] signedDigest = ((ASN1OctetString) hashObj).getOctets();
                final String signedDigestHex = org.apache.commons.codec.binary.Hex.encodeHexString(signedDigest);
                System.out.println("\r\nSigned Message Digest: " + signedDigestHex);
                try {
                    signer.verify(cert, "BC");
                    System.out.println("Signature verified.");
                } catch (CMSException e) {
                    System.out.println("Signature failed to verify.");
                }
                // should have the computed digest now
                final byte[] digest = signer.getContentDigest();
                final String digestHex = org.apache.commons.codec.binary.Hex.encodeHexString(digest);
                System.out.println("\r\nComputed Message Digest: " + digestHex);
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        IOUtils.closeQuietly(inStream);
    }
}

Example 9 with ASN1OctetString

use of org.bouncycastle.asn1.ASN1OctetString in project nhin-d by DirectProject.

the class AbstractX509Field method getObject.

/**
	 * Converts an encoded internal octet string object to a DERObject
	 * @param ext The encoded octet string as a byte array
	 * @return The converted DERObject
	 * @throws PolicyProcessException
	 */
protected DERObject getObject(byte[] ext) throws PolicyProcessException {
    ASN1InputStream aIn = null;
    try {
        aIn = new ASN1InputStream(ext);
        ASN1OctetString octs = (ASN1OctetString) aIn.readObject();
        IOUtils.closeQuietly(aIn);
        aIn = new ASN1InputStream(octs.getOctets());
        return aIn.readObject();
    } catch (Exception e) {
        throw new PolicyProcessException("Exception processing data ", e);
    } finally {
        IOUtils.closeQuietly(aIn);
    }
}

Example 10 with ASN1OctetString

use of org.bouncycastle.asn1.ASN1OctetString in project XobotOS by xamarin.

the class CertPathValidatorUtilities method getObject.

private static DERObject getObject(String oid, byte[] ext) throws AnnotatedException {
    try {
        ASN1InputStream aIn = new ASN1InputStream(ext);
        ASN1OctetString octs = (ASN1OctetString) aIn.readObject();
        aIn = new ASN1InputStream(octs.getOctets());
        return aIn.readObject();
    } catch (Exception e) {
        throw new AnnotatedException("exception processing extension " + oid, e);
    }
}