Examples with AlgorithmIdentifier org.gudy.bouncycastle.asn1.x509.AlgorithmIdentifier used on opensource projects

Example 31 with AlgorithmIdentifier

use of org.gudy.bouncycastle.asn1.x509.AlgorithmIdentifier in project BiglyBT by BiglySoftware.

the class JCEECPrivateKey method getEncoded.

/**
 * Return a PKCS8 representation of the key. The sequence returned
 * represents a full PrivateKeyInfo object.
 *
 * @return a PKCS8 representation of the key.
 */
@Override
public byte[] getEncoded() {
    ByteArrayOutputStream bOut = new ByteArrayOutputStream();
    DEROutputStream dOut = new DEROutputStream(bOut);
    X962Parameters params = null;
    if (ecSpec instanceof ECNamedCurveParameterSpec) {
        params = new X962Parameters(X962NamedCurves.getOID(((ECNamedCurveParameterSpec) ecSpec).getName()));
    } else {
        X9ECParameters ecP = new X9ECParameters(ecSpec.getCurve(), ecSpec.getG(), ecSpec.getN(), ecSpec.getH(), ecSpec.getSeed());
        params = new X962Parameters(ecP);
    }
    PrivateKeyInfo info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), new ECPrivateKeyStructure(this.getD()).getDERObject());
    try {
        dOut.writeObject(info);
        dOut.close();
    } catch (IOException e) {
        throw new RuntimeException("Error encoding EC private key");
    }
    return bOut.toByteArray();
}

Example 32 with AlgorithmIdentifier

use of org.gudy.bouncycastle.asn1.x509.AlgorithmIdentifier in project BiglyBT by BiglySoftware.

the class JCEECPublicKey method getEncoded.

@Override
public byte[] getEncoded() {
    ByteArrayOutputStream bOut = new ByteArrayOutputStream();
    DEROutputStream dOut = new DEROutputStream(bOut);
    X962Parameters params = null;
    if (ecSpec instanceof ECNamedCurveParameterSpec) {
        params = new X962Parameters(X962NamedCurves.getOID(((ECNamedCurveParameterSpec) ecSpec).getName()));
    } else {
        X9ECParameters ecP = new X9ECParameters(ecSpec.getCurve(), ecSpec.getG(), ecSpec.getN(), ecSpec.getH(), ecSpec.getSeed());
        params = new X962Parameters(ecP);
    }
    ASN1OctetString p = (ASN1OctetString) (new X9ECPoint(this.getQ()).getDERObject());
    SubjectPublicKeyInfo info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), p.getOctets());
    try {
        dOut.writeObject(info);
        dOut.close();
    } catch (IOException e) {
        throw new RuntimeException("Error encoding EC public key");
    }
    return bOut.toByteArray();
}

Example 33 with AlgorithmIdentifier

use of org.gudy.bouncycastle.asn1.x509.AlgorithmIdentifier 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 34 with AlgorithmIdentifier

use of org.gudy.bouncycastle.asn1.x509.AlgorithmIdentifier in project keystore-explorer by kaikramer.

the class OpenSslPvkUtil method load.

/**
 * Load an unencrypted OpenSSL private key from the stream. The encoding of
 * the private key may be PEM or DER.
 *
 * @param is
 *            Stream to load the unencrypted private key from
 * @return The private key
 * @throws PrivateKeyEncryptedException
 *             If private key is encrypted
 * @throws CryptoException
 *             Problem encountered while loading the private key
 * @throws IOException
 *             An I/O error occurred
 */
public static PrivateKey load(InputStream is) throws CryptoException, IOException {
    byte[] streamContents = ReadUtil.readFully(is);
    EncryptionType encType = getEncryptionType(new ByteArrayInputStream(streamContents));
    if (encType == null) {
        throw new CryptoException(res.getString("NotValidOpenSsl.exception.message"));
    }
    if (encType == ENCRYPTED) {
        throw new PrivateKeyEncryptedException(res.getString("OpenSslIsEncrypted.exception.message"));
    }
    // Check if stream is PEM encoded
    PemInfo pemInfo = PemUtil.decode(new ByteArrayInputStream(streamContents));
    if (pemInfo != null) {
        // It is - get DER from PEM
        streamContents = pemInfo.getContent();
    }
    try {
        // Read OpenSSL DER structure
        ASN1InputStream asn1InputStream = new ASN1InputStream(streamContents);
        ASN1Primitive openSsl = asn1InputStream.readObject();
        asn1InputStream.close();
        if (openSsl instanceof ASN1Sequence) {
            ASN1Sequence seq = (ASN1Sequence) openSsl;
            if (seq.size() == 9) {
                // RSA private key
                BigInteger version = ((ASN1Integer) seq.getObjectAt(0)).getValue();
                BigInteger modulus = ((ASN1Integer) seq.getObjectAt(1)).getValue();
                BigInteger publicExponent = ((ASN1Integer) seq.getObjectAt(2)).getValue();
                BigInteger privateExponent = ((ASN1Integer) seq.getObjectAt(3)).getValue();
                BigInteger primeP = ((ASN1Integer) seq.getObjectAt(4)).getValue();
                BigInteger primeQ = ((ASN1Integer) seq.getObjectAt(5)).getValue();
                BigInteger primeExponentP = ((ASN1Integer) seq.getObjectAt(6)).getValue();
                BigInteger primeExponenetQ = ((ASN1Integer) seq.getObjectAt(7)).getValue();
                BigInteger crtCoefficient = ((ASN1Integer) seq.getObjectAt(8)).getValue();
                if (!version.equals(VERSION)) {
                    throw new CryptoException(MessageFormat.format(res.getString("OpenSslVersionIncorrect.exception.message"), "" + VERSION.intValue(), "" + version.intValue()));
                }
                RSAPrivateCrtKeySpec rsaPrivateCrtKeySpec = new RSAPrivateCrtKeySpec(modulus, publicExponent, privateExponent, primeP, primeQ, primeExponentP, primeExponenetQ, crtCoefficient);
                KeyFactory keyFactory = KeyFactory.getInstance("RSA");
                return keyFactory.generatePrivate(rsaPrivateCrtKeySpec);
            } else if (seq.size() == 6) {
                // DSA private key
                BigInteger version = ((ASN1Integer) seq.getObjectAt(0)).getValue();
                BigInteger primeModulusP = ((ASN1Integer) seq.getObjectAt(1)).getValue();
                BigInteger primeQ = ((ASN1Integer) seq.getObjectAt(2)).getValue();
                BigInteger generatorG = ((ASN1Integer) seq.getObjectAt(3)).getValue();
                // publicExponentY not req for pvk: sequence.getObjectAt(4);
                BigInteger secretExponentX = ((ASN1Integer) seq.getObjectAt(5)).getValue();
                if (!version.equals(VERSION)) {
                    throw new CryptoException(MessageFormat.format(res.getString("OpenSslVersionIncorrect.exception.message"), "" + VERSION.intValue(), "" + version.intValue()));
                }
                DSAPrivateKeySpec dsaPrivateKeySpec = new DSAPrivateKeySpec(secretExponentX, primeModulusP, primeQ, generatorG);
                KeyFactory keyFactory = KeyFactory.getInstance("DSA");
                return keyFactory.generatePrivate(dsaPrivateKeySpec);
            } else if (seq.size() >= 2) {
                // EC private key (RFC 5915)
                org.bouncycastle.asn1.sec.ECPrivateKey pKey = org.bouncycastle.asn1.sec.ECPrivateKey.getInstance(seq);
                AlgorithmIdentifier algId = new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, pKey.getParameters());
                PrivateKeyInfo privInfo = new PrivateKeyInfo(algId, pKey);
                return new JcaPEMKeyConverter().getPrivateKey(privInfo);
            } else {
                throw new CryptoException(MessageFormat.format(res.getString("OpenSslSequenceIncorrectSize.exception.message"), "" + seq.size()));
            }
        } else {
            throw new CryptoException(res.getString("OpenSslSequenceNotFound.exception.message"));
        }
    } catch (Exception ex) {
        throw new CryptoException(res.getString("NoLoadOpenSslPrivateKey.exception.message"), ex);
    }
}

Example 35 with AlgorithmIdentifier

use of org.gudy.bouncycastle.asn1.x509.AlgorithmIdentifier in project xipki by xipki.

the class P12KeyGenerator method genECKeypair.

// CHECKSTYLE:SKIP
private KeyPairWithSubjectPublicKeyInfo genECKeypair(String curveNameOrOid, SecureRandom random) throws Exception {
    ASN1ObjectIdentifier curveOid = AlgorithmUtil.getCurveOidForCurveNameOrOid(curveNameOrOid);
    if (curveOid == null) {
        throw new IllegalArgumentException("invalid curveNameOrOid '" + curveNameOrOid + "'");
    }
    KeyPair kp = KeyUtil.generateECKeypair(curveOid, random);
    AlgorithmIdentifier algId = new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, curveOid);
    BCECPublicKey pub = (BCECPublicKey) kp.getPublic();
    byte[] keyData = pub.getQ().getEncoded(false);
    SubjectPublicKeyInfo subjectPublicKeyInfo = new SubjectPublicKeyInfo(algId, keyData);
    return new KeyPairWithSubjectPublicKeyInfo(kp, subjectPublicKeyInfo);
}