Example usage for org.bouncycastle.asn1 ASN1InputStream readObject

Introduction

In this page you can find the example usage for org.bouncycastle.asn1 ASN1InputStream readObject.

Prototype

public ASN1Primitive readObject() throws IOException

Source Link

Usage

From source file:it.trento.comune.j4sign.cms.ExternalSignatureCMSSignedDataGenerator.java

License:Open Source License

/**
 * Used internally by {@link #makeAlgId(String, byte[])}
 *///  www. ja v  a2s .c  o m
private DERObject makeObj(byte[] encoding) throws IOException {
    if (encoding == null) {
        return null;
    }

    ByteArrayInputStream bIn = new ByteArrayInputStream(encoding);
    ASN1InputStream aIn = new ASN1InputStream(bIn);

    return aIn.readObject();
}

From source file:it.trento.comune.j4sign.cms.ExternalSignatureSignerInfoGenerator.java

License:Open Source License

/**
 * Generates the SignerInfo CMS structure information for a single signer.
 * This method has to be called after setting {@link #cert}
 * {@link #signedBytes}.//from  ww w. jav  a2s . c  om
 * 
 * @return the <code>org.bouncycastle.asn1.cms.SignerInfo</code> object for
 *         a signer.
 * @throws CertificateEncodingException
 * @throws IOException
 */
SignerInfo generate() throws CertificateEncodingException, IOException {

    AlgorithmIdentifier digAlgId = null;
    AlgorithmIdentifier encAlgId = null;

    digAlgId = new AlgorithmIdentifier(new DERObjectIdentifier(this.getDigestAlgOID()), new DERNull());

    if (this.getEncryptionAlgOID().equals(CMSSignedDataGenerator.ENCRYPTION_DSA)) {
        encAlgId = new AlgorithmIdentifier(new DERObjectIdentifier(this.getEncryptionAlgOID()));
    } else {
        encAlgId = new AlgorithmIdentifier(new DERObjectIdentifier(this.getEncryptionAlgOID()), new DERNull());
    }

    ASN1OctetString encDigest = new DEROctetString(this.signedBytes);

    X509Certificate cert = this.getCertificate();
    ByteArrayInputStream bIn = new ByteArrayInputStream(cert.getTBSCertificate());
    ASN1InputStream aIn = new ASN1InputStream(bIn);
    TBSCertificateStructure tbs = TBSCertificateStructure.getInstance(aIn.readObject());
    IssuerAndSerialNumber encSid = new IssuerAndSerialNumber(tbs.getIssuer(), cert.getSerialNumber());

    return new SignerInfo(new SignerIdentifier(encSid), digAlgId, signedAttr, encAlgId, encDigest,
            unsignedAttr);
}

From source file:it.trento.comune.j4sign.cms.utils.CMSBuilder.java

License:Open Source License

private Date parseSigningTime(byte[] bytes, PrintWriter pw) {

    Date parsedSigningTime = null;

    try {/*  w  ww. jav a2s . c  o  m*/

        ASN1InputStream aIn = new ASN1InputStream(bytes);
        ASN1Set signedAttributes = (ASN1Set) aIn.readObject();

        AttributeTable attr = new AttributeTable(signedAttributes);

        Iterator iter = attr.toHashtable().values().iterator();

        pw.println("Listing authenticated attributes:");
        int count = 1;
        while (iter.hasNext()) {
            Attribute a = (Attribute) iter.next();

            pw.println("Attribute " + count + ":");
            if (a.getAttrType().getId().equals(CMSAttributes.signingTime.getId())) {
                Time time = Time.getInstance(a.getAttrValues().getObjectAt(0));
                pw.println("Authenticated time (SERVER local time): " + time.getDate());

                parsedSigningTime = time.getDate();

            }
            if (a.getAttrType().getId().equals(CMSAttributes.contentType.getId())) {
                if (CMSObjectIdentifiers.data.getId()
                        .equals(DERObjectIdentifier.getInstance(a.getAttrValues().getObjectAt(0)).getId()))
                    pw.println("Content Type: PKCS7_DATA");
            }
            if (a.getAttrType().getId().equals(CMSAttributes.messageDigest.getId())) {
                byte[] md = DEROctetString.getInstance(a.getAttrValues().getObjectAt(0)).getOctets();
                pw.println("Message Digest (hash of data content): " + formatAsString(md, " ", 16));
            }
            pw.println("\nAttribute dump follows:");
            pw.println(ASN1Dump.dumpAsString(a) + "\n");

            count++;
        }
    } catch (Exception e) {
        pw.println(e);
        return null;
    }
    pw.flush();

    return parsedSigningTime;

}

From source file:it.treviso.provincia.freesigner.applet.FreesignerConfFrame.java

License:Open Source License

/**
 * Returns DERObject extension if the certificate corresponding to given OID<br>
 * <br>/*from   w w  w.ja  v a 2 s.c om*/
 * Restituisce un estensione DERObject dal certificato, corrispoendente
 * all'OID
 * 
 * @param cert
 *            certificate
 * @param oid
 *            String
 * @throws IOException
 * @return l'estensione
 */

private static DERObject getExtensionValue(X509Certificate cert, String oid) throws IOException {
    byte[] bytes = cert.getExtensionValue(oid);
    if (bytes == null) {
        return null;
    }
    ASN1InputStream aIn = new ASN1InputStream(new ByteArrayInputStream(bytes));
    ASN1OctetString otteti = (ASN1OctetString) aIn.readObject();
    aIn = new ASN1InputStream(new ByteArrayInputStream(otteti.getOctets()));
    return aIn.readObject();
}

From source file:jcifs.pac.ASN1Util.java

License:Open Source License

/**
 * /*ww w . ja v  a2 s.co  m*/
 * @param type
 * @param stream
 * @return next object from stream cast to type
 * @throws PACDecodingException
 * @throws IOException
 */
public static <T extends ASN1Primitive> T as(Class<T> type, ASN1InputStream stream)
        throws PACDecodingException, IOException {
    return as(type, stream.readObject());
}

From source file:me.it_result.ca.X509Assertions.java

License:Open Source License

public X509Assertions extensionValue(DERObjectIdentifier id, ASN1Encodable value) throws Exception {
    ASN1InputStream asn1Parser = new ASN1InputStream(cert.getExtensionValue(id.getId()));
    DEROctetString actualExtension = (DEROctetString) asn1Parser.readObject();
    assertTrue(Arrays.equals(value.getDERObject().getDEREncoded(), actualExtension.getOctets()));
    return this;
}

From source file:mitm.common.security.asn1.ASN1Utils.java

License:Open Source License

private static ASN1Object getObject(String oid, byte[] extension) throws IOException {
    ASN1InputStream aIn = new ASN1InputStream(extension);
    ASN1OctetString octs = (ASN1OctetString) aIn.readObject();
    aIn.close();/*from ww  w. j av  a2s.  c o  m*/
    aIn = new ASN1InputStream(octs.getOctets());
    ASN1Object obj = aIn.readObject();
    aIn.close();
    return obj;
}

From source file:mitm.common.security.asn1.ASN1Utils.java

License:Open Source License

public static ASN1EncodableVector toASN1EncodableVector(X500Principal principal) throws IOException {
    final ASN1InputStream stream = new ASN1InputStream(principal.getEncoded());
    final ASN1Object der = stream.readObject();

    Enumeration<?> e = ASN1Sequence.getInstance(der).getObjects();

    ASN1EncodableVector v = new ASN1EncodableVector();

    while (e.hasMoreElements()) {
        Object o = e.nextElement();

        if (o instanceof ASN1Encodable) {
            v.add((ASN1Encodable) o);/*from   w w  w .  j ava 2  s  .  c o  m*/
        }
    }

    stream.close();
    return v;
}

From source file:mitm.common.security.asn1.DERUtils.java

License:Open Source License

public static ASN1Primitive toDERObject(Certificate certificate)
        throws CertificateEncodingException, IOException {
    final ASN1InputStream stream = new ASN1InputStream(certificate.getEncoded());
    ASN1Primitive p = stream.readObject();
    stream.close();// w w w.j  a  va  2 s .c  om
    return p;
}

From source file:mitm.common.security.asn1.DERUtils.java

License:Open Source License

public static ASN1Primitive toDERObject(X509CRL crl) throws CRLException, IOException {
    final ASN1InputStream stream = new ASN1InputStream(crl.getEncoded());
    ASN1Primitive p = stream.readObject();
    stream.close();//from  ww w  .j  av a  2  s.  co m
    return p;
}