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

Example 1 with SubjectPublicKeyInfo

use of org.gudy.bouncycastle.asn1.x509.SubjectPublicKeyInfo in project kafka by apache.

the class TestSslUtils method generateCertificate.

/**
     * Create a self-signed X.509 Certificate.
     * From http://bfo.com/blog/2011/03/08/odds_and_ends_creating_a_new_x_509_certificate.html.
     *
     * @param dn the X.509 Distinguished Name, eg "CN=Test, L=London, C=GB"
     * @param pair the KeyPair
     * @param days how many days from now the Certificate is valid for
     * @param algorithm the signing algorithm, eg "SHA1withRSA"
     * @return the self-signed certificate
     * @throws CertificateException thrown if a security error or an IO error occurred.
     */
public static X509Certificate generateCertificate(String dn, KeyPair pair, int days, String algorithm) throws CertificateException {
    try {
        Security.addProvider(new BouncyCastleProvider());
        AlgorithmIdentifier sigAlgId = new DefaultSignatureAlgorithmIdentifierFinder().find(algorithm);
        AlgorithmIdentifier digAlgId = new DefaultDigestAlgorithmIdentifierFinder().find(sigAlgId);
        AsymmetricKeyParameter privateKeyAsymKeyParam = PrivateKeyFactory.createKey(pair.getPrivate().getEncoded());
        SubjectPublicKeyInfo subPubKeyInfo = SubjectPublicKeyInfo.getInstance(pair.getPublic().getEncoded());
        ContentSigner sigGen = new BcRSAContentSignerBuilder(sigAlgId, digAlgId).build(privateKeyAsymKeyParam);
        X500Name name = new X500Name(dn);
        Date from = new Date();
        Date to = new Date(from.getTime() + days * 86400000L);
        BigInteger sn = new BigInteger(64, new SecureRandom());
        X509v1CertificateBuilder v1CertGen = new X509v1CertificateBuilder(name, sn, from, to, name, subPubKeyInfo);
        X509CertificateHolder certificateHolder = v1CertGen.build(sigGen);
        return new JcaX509CertificateConverter().setProvider("BC").getCertificate(certificateHolder);
    } catch (CertificateException ce) {
        throw ce;
    } catch (Exception e) {
        throw new CertificateException(e);
    }
}

Example 2 with SubjectPublicKeyInfo

use of org.gudy.bouncycastle.asn1.x509.SubjectPublicKeyInfo in project XobotOS by xamarin.

the class X509CertSelector method match.

/**
     * Returns whether the specified certificate matches all the criteria
     * collected in this instance.
     *
     * @param certificate
     *            the certificate to check.
     * @return {@code true} if the certificate matches all the criteria,
     *         otherwise {@code false}.
     */
public boolean match(Certificate certificate) {
    if (!(certificate instanceof X509Certificate)) {
        return false;
    }
    X509Certificate cert = (X509Certificate) certificate;
    if ((certificateEquals != null) && !certificateEquals.equals(cert)) {
        return false;
    }
    if ((serialNumber != null) && !serialNumber.equals(cert.getSerialNumber())) {
        return false;
    }
    if ((issuer != null) && !issuer.equals(cert.getIssuerX500Principal())) {
        return false;
    }
    if ((subject != null) && !subject.equals(cert.getSubjectX500Principal())) {
        return false;
    }
    if ((subjectKeyIdentifier != null) && !Arrays.equals(subjectKeyIdentifier, // are taken from rfc 3280 (http://www.ietf.org/rfc/rfc3280.txt)
    getExtensionValue(cert, "2.5.29.14"))) {
        return false;
    }
    if ((authorityKeyIdentifier != null) && !Arrays.equals(authorityKeyIdentifier, getExtensionValue(cert, "2.5.29.35"))) {
        return false;
    }
    if (certificateValid != null) {
        try {
            cert.checkValidity(certificateValid);
        } catch (CertificateExpiredException e) {
            return false;
        } catch (CertificateNotYetValidException e) {
            return false;
        }
    }
    if (privateKeyValid != null) {
        try {
            byte[] bytes = getExtensionValue(cert, "2.5.29.16");
            if (bytes == null) {
                return false;
            }
            PrivateKeyUsagePeriod pkup = (PrivateKeyUsagePeriod) PrivateKeyUsagePeriod.ASN1.decode(bytes);
            Date notBefore = pkup.getNotBefore();
            Date notAfter = pkup.getNotAfter();
            if ((notBefore == null) && (notAfter == null)) {
                return false;
            }
            if ((notBefore != null) && notBefore.compareTo(privateKeyValid) > 0) {
                return false;
            }
            if ((notAfter != null) && notAfter.compareTo(privateKeyValid) < 0) {
                return false;
            }
        } catch (IOException e) {
            return false;
        }
    }
    if (subjectPublicKeyAlgID != null) {
        try {
            byte[] encoding = cert.getPublicKey().getEncoded();
            AlgorithmIdentifier ai = ((SubjectPublicKeyInfo) SubjectPublicKeyInfo.ASN1.decode(encoding)).getAlgorithmIdentifier();
            if (!subjectPublicKeyAlgID.equals(ai.getAlgorithm())) {
                return false;
            }
        } catch (IOException e) {
            e.printStackTrace();
            return false;
        }
    }
    if (subjectPublicKey != null) {
        if (!Arrays.equals(subjectPublicKey, cert.getPublicKey().getEncoded())) {
            return false;
        }
    }
    if (keyUsage != null) {
        boolean[] ku = cert.getKeyUsage();
        if (ku != null) {
            int i = 0;
            int min_length = (ku.length < keyUsage.length) ? ku.length : keyUsage.length;
            for (; i < min_length; i++) {
                if (keyUsage[i] && !ku[i]) {
                    // but certificate does not.
                    return false;
                }
            }
            for (; i < keyUsage.length; i++) {
                if (keyUsage[i]) {
                    return false;
                }
            }
        }
    }
    if (extendedKeyUsage != null) {
        try {
            List keyUsage = cert.getExtendedKeyUsage();
            if (keyUsage != null) {
                if (!keyUsage.containsAll(extendedKeyUsage)) {
                    return false;
                }
            }
        } catch (CertificateParsingException e) {
            return false;
        }
    }
    if (pathLen != -1) {
        int p_len = cert.getBasicConstraints();
        if ((pathLen < 0) && (p_len >= 0)) {
            // need end-entity but got CA
            return false;
        }
        if ((pathLen > 0) && (pathLen > p_len)) {
            // allowed _pathLen is small
            return false;
        }
    }
    if (subjectAltNames != null) {
        PASSED: try {
            byte[] bytes = getExtensionValue(cert, "2.5.29.17");
            if (bytes == null) {
                return false;
            }
            List<GeneralName> sans = ((GeneralNames) GeneralNames.ASN1.decode(bytes)).getNames();
            if ((sans == null) || (sans.size() == 0)) {
                return false;
            }
            boolean[][] map = new boolean[9][];
            // initialize the check map
            for (int i = 0; i < 9; i++) {
                map[i] = (subjectAltNames[i] == null) ? EmptyArray.BOOLEAN : new boolean[subjectAltNames[i].size()];
            }
            for (GeneralName name : sans) {
                int tag = name.getTag();
                for (int i = 0; i < map[tag].length; i++) {
                    if (subjectAltNames[tag].get(i).equals(name)) {
                        if (!matchAllNames) {
                            break PASSED;
                        }
                        map[tag][i] = true;
                    }
                }
            }
            if (!matchAllNames) {
                // there was not any match
                return false;
            }
            // else check the map
            for (int tag = 0; tag < 9; tag++) {
                for (int name = 0; name < map[tag].length; name++) {
                    if (!map[tag][name]) {
                        return false;
                    }
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
            return false;
        }
    }
    if (nameConstraints != null) {
        if (!nameConstraints.isAcceptable(cert)) {
            return false;
        }
    }
    if (policies != null) {
        byte[] bytes = getExtensionValue(cert, "2.5.29.32");
        if (bytes == null) {
            return false;
        }
        if (policies.size() == 0) {
            // one policy in it.
            return true;
        }
        PASSED: try {
            List<PolicyInformation> policyInformations = ((CertificatePolicies) CertificatePolicies.ASN1.decode(bytes)).getPolicyInformations();
            for (PolicyInformation policyInformation : policyInformations) {
                if (policies.contains(policyInformation.getPolicyIdentifier())) {
                    break PASSED;
                }
            }
            return false;
        } catch (IOException e) {
            // the extension is invalid
            return false;
        }
    }
    if (pathToNames != null) {
        byte[] bytes = getExtensionValue(cert, "2.5.29.30");
        if (bytes != null) {
            NameConstraints nameConstraints;
            try {
                nameConstraints = (NameConstraints) NameConstraints.ASN1.decode(bytes);
            } catch (IOException e) {
                // the extension is invalid;
                return false;
            }
            if (!nameConstraints.isAcceptable(pathToNames)) {
                return false;
            }
        }
    }
    return true;
}

Example 3 with SubjectPublicKeyInfo

use of org.gudy.bouncycastle.asn1.x509.SubjectPublicKeyInfo in project XobotOS by xamarin.

the class JCEECPublicKey method getEncoded.

public byte[] getEncoded() {
    ASN1Encodable params;
    SubjectPublicKeyInfo info;
    // BEGIN android-removed
    // if (algorithm.equals("ECGOST3410"))
    // {
    //     if (gostParams != null)
    //     {
    //         params = gostParams;
    //     }
    //     else
    //     {
    //         if (ecSpec instanceof ECNamedCurveSpec)
    //         {
    //             params = new GOST3410PublicKeyAlgParameters(
    //                            ECGOST3410NamedCurves.getOID(((ECNamedCurveSpec)ecSpec).getName()),
    //                            CryptoProObjectIdentifiers.gostR3411_94_CryptoProParamSet);
    //         }
    //         else
    //         {   // strictly speaking this may not be applicable...
    //             ECCurve curve = EC5Util.convertCurve(ecSpec.getCurve());
    //
    //             X9ECParameters ecP = new X9ECParameters(
    //                 curve,
    //                 EC5Util.convertPoint(curve, ecSpec.getGenerator(), withCompression),
    //                 ecSpec.getOrder(),
    //                 BigInteger.valueOf(ecSpec.getCofactor()),
    //                 ecSpec.getCurve().getSeed());
    //
    //             params = new X962Parameters(ecP);
    //         }
    //     }
    //
    //     BigInteger      bX = this.q.getX().toBigInteger();
    //     BigInteger      bY = this.q.getY().toBigInteger();
    //     byte[]          encKey = new byte[64];
    //
    //     extractBytes(encKey, 0, bX);
    //     extractBytes(encKey, 32, bY);
    //
    //     info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params.getDERObject()), new DEROctetString(encKey));
    // }
    // else
    // END android-removed
    {
        if (ecSpec instanceof ECNamedCurveSpec) {
            DERObjectIdentifier curveOid = ECUtil.getNamedCurveOid(((ECNamedCurveSpec) ecSpec).getName());
            if (curveOid == null) {
                curveOid = new DERObjectIdentifier(((ECNamedCurveSpec) ecSpec).getName());
            }
            params = new X962Parameters(curveOid);
        } else if (ecSpec == null) {
            params = new X962Parameters(DERNull.INSTANCE);
        } else {
            ECCurve curve = EC5Util.convertCurve(ecSpec.getCurve());
            X9ECParameters ecP = new X9ECParameters(curve, EC5Util.convertPoint(curve, ecSpec.getGenerator(), withCompression), ecSpec.getOrder(), BigInteger.valueOf(ecSpec.getCofactor()), ecSpec.getCurve().getSeed());
            params = new X962Parameters(ecP);
        }
        ECCurve curve = this.engineGetQ().getCurve();
        ASN1OctetString p = (ASN1OctetString) new X9ECPoint(curve.createPoint(this.getQ().getX().toBigInteger(), this.getQ().getY().toBigInteger(), withCompression)).getDERObject();
        info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), p.getOctets());
    }
    return info.getDEREncoded();
}

Example 4 with SubjectPublicKeyInfo

use of org.gudy.bouncycastle.asn1.x509.SubjectPublicKeyInfo in project XobotOS by xamarin.

the class PKCS10CertificationRequest method getPublicKey.

public PublicKey getPublicKey(String provider) throws NoSuchAlgorithmException, NoSuchProviderException, InvalidKeyException {
    SubjectPublicKeyInfo subjectPKInfo = reqInfo.getSubjectPublicKeyInfo();
    X509EncodedKeySpec xspec = new X509EncodedKeySpec(new DERBitString(subjectPKInfo).getBytes());
    AlgorithmIdentifier keyAlg = subjectPKInfo.getAlgorithmId();
    try {
        try {
            if (provider == null) {
                return KeyFactory.getInstance(keyAlg.getObjectId().getId()).generatePublic(xspec);
            } else {
                return KeyFactory.getInstance(keyAlg.getObjectId().getId(), provider).generatePublic(xspec);
            }
        } catch (NoSuchAlgorithmException e) {
            //
            if (keyAlgorithms.get(keyAlg.getObjectId()) != null) {
                String keyAlgorithm = (String) keyAlgorithms.get(keyAlg.getObjectId());
                if (provider == null) {
                    return KeyFactory.getInstance(keyAlgorithm).generatePublic(xspec);
                } else {
                    return KeyFactory.getInstance(keyAlgorithm, provider).generatePublic(xspec);
                }
            }
            throw e;
        }
    } catch (InvalidKeySpecException e) {
        throw new InvalidKeyException("error decoding public key");
    }
}

Example 5 with SubjectPublicKeyInfo

use of org.gudy.bouncycastle.asn1.x509.SubjectPublicKeyInfo in project XobotOS by xamarin.

the class CertPathValidatorUtilities method getAlgorithmIdentifier.

protected static AlgorithmIdentifier getAlgorithmIdentifier(PublicKey key) throws CertPathValidatorException {
    try {
        ASN1InputStream aIn = new ASN1InputStream(key.getEncoded());
        SubjectPublicKeyInfo info = SubjectPublicKeyInfo.getInstance(aIn.readObject());
        return info.getAlgorithmId();
    } catch (Exception e) {
        throw new ExtCertPathValidatorException("Subject public key cannot be decoded.", e);
    }
}