Examples with DEROutputStream org.gudy.bouncycastle.asn1.DEROutputStream used on opensource projects

Example 11 with DEROutputStream

use of org.gudy.bouncycastle.asn1.DEROutputStream in project BiglyBT by BiglySoftware.

the class JDKDigestSignature method derEncode.

private byte[] derEncode(byte[] hash) throws IOException {
    ByteArrayOutputStream bOut = new ByteArrayOutputStream();
    DEROutputStream dOut = new DEROutputStream(bOut);
    DigestInfo dInfo = new DigestInfo(algId, hash);
    dOut.writeObject(dInfo);
    return bOut.toByteArray();
}

Example 12 with DEROutputStream

use of org.gudy.bouncycastle.asn1.DEROutputStream in project BiglyBT by BiglySoftware.

the class PKCS7SignedData method getEncoded.

/**
 * return the bytes for the PKCS7SignedData object.
 */
public byte[] getEncoded() {
    try {
        digest = sig.sign();
        // Create the set of Hash algorithms. I've assumed this is the
        // set of all hash agorithms used to created the digest in the
        // "signerInfo" structure. I may be wrong.
        // 
        ASN1EncodableVector v = new ASN1EncodableVector();
        for (Iterator i = digestalgos.iterator(); i.hasNext(); ) {
            AlgorithmIdentifier a = new AlgorithmIdentifier(new DERObjectIdentifier((String) i.next()), null);
            v.add(a);
        }
        DERSet algos = new DERSet(v);
        // Create the contentInfo. Empty, I didn't implement this bit
        // 
        DERSequence contentinfo = new DERSequence(new DERObjectIdentifier(ID_PKCS7_DATA));
        // Get all the certificates
        // 
        v = new ASN1EncodableVector();
        for (Iterator i = certs.iterator(); i.hasNext(); ) {
            DERInputStream tempstream = new DERInputStream(new ByteArrayInputStream(((X509Certificate) i.next()).getEncoded()));
            v.add(tempstream.readObject());
        }
        DERSet dercertificates = new DERSet(v);
        // Create signerinfo structure.
        // 
        ASN1EncodableVector signerinfo = new ASN1EncodableVector();
        // Add the signerInfo version
        // 
        signerinfo.add(new DERInteger(signerversion));
        IssuerAndSerialNumber isAnds = new IssuerAndSerialNumber(new X509Name((ASN1Sequence) getIssuer(signCert.getTBSCertificate())), new DERInteger(signCert.getSerialNumber()));
        signerinfo.add(isAnds);
        // Add the digestAlgorithm
        // 
        signerinfo.add(new AlgorithmIdentifier(new DERObjectIdentifier(digestAlgorithm), new DERNull()));
        // 
        // Add the digestEncryptionAlgorithm
        // 
        signerinfo.add(new AlgorithmIdentifier(new DERObjectIdentifier(digestEncryptionAlgorithm), new DERNull()));
        // 
        // Add the digest
        // 
        signerinfo.add(new DEROctetString(digest));
        // 
        // Finally build the body out of all the components above
        // 
        ASN1EncodableVector body = new ASN1EncodableVector();
        body.add(new DERInteger(version));
        body.add(algos);
        body.add(contentinfo);
        body.add(new DERTaggedObject(false, 0, dercertificates));
        if (crls.size() > 0) {
            v = new ASN1EncodableVector();
            for (Iterator i = crls.iterator(); i.hasNext(); ) {
                DERInputStream t = new DERInputStream(new ByteArrayInputStream((((X509CRL) i.next()).getEncoded())));
                v.add(t.readObject());
            }
            DERSet dercrls = new DERSet(v);
            body.add(new DERTaggedObject(false, 1, dercrls));
        }
        // Only allow one signerInfo
        // 
        body.add(new DERSet(new DERSequence(signerinfo)));
        // Now we have the body, wrap it in it's PKCS7Signed shell
        // and return it
        // 
        ASN1EncodableVector whole = new ASN1EncodableVector();
        whole.add(new DERObjectIdentifier(ID_PKCS7_SIGNED_DATA));
        whole.add(new DERTaggedObject(0, new DERSequence(body)));
        ByteArrayOutputStream bOut = new ByteArrayOutputStream();
        DEROutputStream dout = new DEROutputStream(bOut);
        dout.writeObject(new DERSequence(whole));
        dout.close();
        return bOut.toByteArray();
    } catch (Exception e) {
        throw new RuntimeException(e.toString());
    }
}

Example 13 with DEROutputStream

use of org.gudy.bouncycastle.asn1.DEROutputStream in project BiglyBT by BiglySoftware.

the class X509CRLObject method getExtensionValue.

@Override
public byte[] getExtensionValue(String oid) {
    X509Extensions exts = c.getTBSCertList().getExtensions();
    if (exts != null) {
        X509Extension ext = exts.getExtension(new DERObjectIdentifier(oid));
        if (ext != null) {
            ByteArrayOutputStream bOut = new ByteArrayOutputStream();
            DEROutputStream dOut = new DEROutputStream(bOut);
            try {
                dOut.writeObject(ext.getValue());
                return bOut.toByteArray();
            } catch (Exception e) {
                throw new RuntimeException("error encoding " + e.toString());
            }
        }
    }
    return null;
}

Example 14 with DEROutputStream

use of org.gudy.bouncycastle.asn1.DEROutputStream in project BiglyBT by BiglySoftware.

the class X509CRLObject method getSigAlgParams.

@Override
public byte[] getSigAlgParams() {
    ByteArrayOutputStream bOut = new ByteArrayOutputStream();
    if (c.getSignatureAlgorithm().getParameters() != null) {
        try {
            DEROutputStream dOut = new DEROutputStream(bOut);
            dOut.writeObject(c.getSignatureAlgorithm().getParameters());
        } catch (Exception e) {
            throw new RuntimeException("exception getting sig parameters " + e);
        }
        return bOut.toByteArray();
    }
    return null;
}

Example 15 with DEROutputStream

use of org.gudy.bouncycastle.asn1.DEROutputStream in project BiglyBT by BiglySoftware.

the class X509V2AttributeCertificate method getExtensionValue.

@Override
public byte[] getExtensionValue(String oid) {
    X509Extensions extensions = cert.getAcinfo().getExtensions();
    if (extensions != null) {
        X509Extension ext = extensions.getExtension(new DERObjectIdentifier(oid));
        if (ext != null) {
            ByteArrayOutputStream bOut = new ByteArrayOutputStream();
            DEROutputStream dOut = new DEROutputStream(bOut);
            try {
                dOut.writeObject(ext.getValue());
                return bOut.toByteArray();
            } catch (Exception e) {
                throw new RuntimeException("error encoding " + e.toString());
            }
        }
    }
    return null;
}