Examples with PrivateKeyInfo com.github.zhenwei.core.asn1.pkcs.PrivateKeyInfo used on opensource projects

Example 1 with PrivateKeyInfo

use of com.github.zhenwei.core.asn1.pkcs.PrivateKeyInfo in project robovm by robovm.

the class BCECPrivateKey method getEncoded.

/**
     * Return a PKCS8 representation of the key. The sequence returned
     * represents a full PrivateKeyInfo object.
     *
     * @return a PKCS8 representation of the key.
     */
public byte[] getEncoded() {
    X962Parameters params;
    if (ecSpec instanceof ECNamedCurveSpec) {
        DERObjectIdentifier curveOid = ECUtil.getNamedCurveOid(((ECNamedCurveSpec) ecSpec).getName());
        if (// guess it's the OID
        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);
    }
    PrivateKeyInfo info;
    org.bouncycastle.asn1.sec.ECPrivateKey keyStructure;
    if (publicKey != null) {
        keyStructure = new org.bouncycastle.asn1.sec.ECPrivateKey(this.getS(), publicKey, params);
    } else {
        keyStructure = new org.bouncycastle.asn1.sec.ECPrivateKey(this.getS(), params);
    }
    try {
        // BEGIN android-removed
        // if (algorithm.equals("ECGOST3410"))
        // {
        //     info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params.toASN1Primitive()), keyStructure.toASN1Primitive());
        // }
        // else
        // END android-removed
        {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.toASN1Primitive()), keyStructure.toASN1Primitive());
        }
        return info.getEncoded(ASN1Encoding.DER);
    } catch (IOException e) {
        return null;
    }
}

Example 2 with PrivateKeyInfo

use of com.github.zhenwei.core.asn1.pkcs.PrivateKeyInfo in project robovm by robovm.

the class KeyFactory method engineGeneratePrivate.

protected PrivateKey engineGeneratePrivate(KeySpec keySpec) throws InvalidKeySpecException {
    if (keySpec instanceof PKCS8EncodedKeySpec) {
        try {
            PrivateKeyInfo info = PrivateKeyInfo.getInstance(((PKCS8EncodedKeySpec) keySpec).getEncoded());
            PrivateKey key = BouncyCastleProvider.getPrivateKey(info);
            if (key != null) {
                return key;
            }
            throw new InvalidKeySpecException("no factory found for OID: " + info.getPrivateKeyAlgorithm().getAlgorithm());
        } catch (Exception e) {
            throw new InvalidKeySpecException(e.toString());
        }
    }
    throw new InvalidKeySpecException("Unknown KeySpec type: " + keySpec.getClass().getName());
}

Example 3 with PrivateKeyInfo

use of com.github.zhenwei.core.asn1.pkcs.PrivateKeyInfo in project helios by spotify.

the class CertificateAndPrivateKey method from.

public static CertificateAndPrivateKey from(final Path certPath, final Path keyPath) throws IOException, GeneralSecurityException {
    final CertificateFactory cf = CertificateFactory.getInstance("X.509");
    final Certificate certificate;
    try (final InputStream is = Files.newInputStream(certPath)) {
        certificate = cf.generateCertificate(is);
    }
    final Object parsedPem;
    try (final BufferedReader br = Files.newBufferedReader(keyPath, Charset.defaultCharset())) {
        parsedPem = new PEMParser(br).readObject();
    }
    final PrivateKeyInfo keyInfo;
    if (parsedPem instanceof PEMKeyPair) {
        keyInfo = ((PEMKeyPair) parsedPem).getPrivateKeyInfo();
    } else if (parsedPem instanceof PrivateKeyInfo) {
        keyInfo = (PrivateKeyInfo) parsedPem;
    } else {
        throw new UnsupportedOperationException("Unable to parse x509 certificate.");
    }
    final PKCS8EncodedKeySpec spec = new PKCS8EncodedKeySpec(keyInfo.getEncoded());
    final KeyFactory kf = KeyFactory.getInstance("RSA");
    return new CertificateAndPrivateKey(certificate, kf.generatePrivate(spec));
}

Example 4 with PrivateKeyInfo

use of com.github.zhenwei.core.asn1.pkcs.PrivateKeyInfo in project XobotOS by xamarin.

the class MiscPEMGenerator method createPemObject.

private PemObject createPemObject(Object o) throws IOException {
    String type;
    byte[] encoding;
    if (o instanceof PemObject) {
        return (PemObject) o;
    }
    if (o instanceof PemObjectGenerator) {
        return ((PemObjectGenerator) o).generate();
    }
    if (o instanceof X509Certificate) {
        type = "CERTIFICATE";
        try {
            encoding = ((X509Certificate) o).getEncoded();
        } catch (CertificateEncodingException e) {
            throw new PemGenerationException("Cannot encode object: " + e.toString());
        }
    } else if (o instanceof X509CRL) {
        type = "X509 CRL";
        try {
            encoding = ((X509CRL) o).getEncoded();
        } catch (CRLException e) {
            throw new PemGenerationException("Cannot encode object: " + e.toString());
        }
    } else if (o instanceof KeyPair) {
        return createPemObject(((KeyPair) o).getPrivate());
    } else if (o instanceof PrivateKey) {
        PrivateKeyInfo info = new PrivateKeyInfo((ASN1Sequence) ASN1Object.fromByteArray(((Key) o).getEncoded()));
        if (o instanceof RSAPrivateKey) {
            type = "RSA PRIVATE KEY";
            encoding = info.getPrivateKey().getEncoded();
        } else if (o instanceof DSAPrivateKey) {
            type = "DSA PRIVATE KEY";
            DSAParameter p = DSAParameter.getInstance(info.getAlgorithmId().getParameters());
            ASN1EncodableVector v = new ASN1EncodableVector();
            v.add(new DERInteger(0));
            v.add(new DERInteger(p.getP()));
            v.add(new DERInteger(p.getQ()));
            v.add(new DERInteger(p.getG()));
            BigInteger x = ((DSAPrivateKey) o).getX();
            BigInteger y = p.getG().modPow(x, p.getP());
            v.add(new DERInteger(y));
            v.add(new DERInteger(x));
            encoding = new DERSequence(v).getEncoded();
        } else if (((PrivateKey) o).getAlgorithm().equals("ECDSA")) {
            type = "EC PRIVATE KEY";
            encoding = info.getPrivateKey().getEncoded();
        } else {
            throw new IOException("Cannot identify private key");
        }
    } else if (o instanceof PublicKey) {
        type = "PUBLIC KEY";
        encoding = ((PublicKey) o).getEncoded();
    } else if (o instanceof X509AttributeCertificate) {
        type = "ATTRIBUTE CERTIFICATE";
        encoding = ((X509V2AttributeCertificate) o).getEncoded();
    } else if (o instanceof PKCS10CertificationRequest) {
        type = "CERTIFICATE REQUEST";
        encoding = ((PKCS10CertificationRequest) o).getEncoded();
    } else if (o instanceof ContentInfo) {
        type = "PKCS7";
        encoding = ((ContentInfo) o).getEncoded();
    } else {
        throw new PemGenerationException("unknown object passed - can't encode.");
    }
    return new PemObject(type, encoding);
}

Example 5 with PrivateKeyInfo

use of com.github.zhenwei.core.asn1.pkcs.PrivateKeyInfo in project XobotOS by xamarin.

the class MiscPEMGenerator method createPemObject.

private PemObject createPemObject(Object obj, String algorithm, char[] password, SecureRandom random) throws IOException {
    if (obj instanceof KeyPair) {
        return createPemObject(((KeyPair) obj).getPrivate(), algorithm, password, random);
    }
    String type = null;
    byte[] keyData = null;
    if (obj instanceof RSAPrivateCrtKey) {
        type = "RSA PRIVATE KEY";
        RSAPrivateCrtKey k = (RSAPrivateCrtKey) obj;
        RSAPrivateKeyStructure keyStruct = new RSAPrivateKeyStructure(k.getModulus(), k.getPublicExponent(), k.getPrivateExponent(), k.getPrimeP(), k.getPrimeQ(), k.getPrimeExponentP(), k.getPrimeExponentQ(), k.getCrtCoefficient());
        // convert to bytearray
        keyData = keyStruct.getEncoded();
    } else if (obj instanceof DSAPrivateKey) {
        type = "DSA PRIVATE KEY";
        DSAPrivateKey k = (DSAPrivateKey) obj;
        DSAParams p = k.getParams();
        ASN1EncodableVector v = new ASN1EncodableVector();
        v.add(new DERInteger(0));
        v.add(new DERInteger(p.getP()));
        v.add(new DERInteger(p.getQ()));
        v.add(new DERInteger(p.getG()));
        BigInteger x = k.getX();
        BigInteger y = p.getG().modPow(x, p.getP());
        v.add(new DERInteger(y));
        v.add(new DERInteger(x));
        keyData = new DERSequence(v).getEncoded();
    } else if (obj instanceof PrivateKey && "ECDSA".equals(((PrivateKey) obj).getAlgorithm())) {
        type = "EC PRIVATE KEY";
        PrivateKeyInfo privInfo = PrivateKeyInfo.getInstance(ASN1Object.fromByteArray(((PrivateKey) obj).getEncoded()));
        keyData = privInfo.getPrivateKey().getEncoded();
    }
    if (type == null || keyData == null) {
        // TODO Support other types?
        throw new IllegalArgumentException("Object type not supported: " + obj.getClass().getName());
    }
    String dekAlgName = Strings.toUpperCase(algorithm);
    // Note: For backward compatibility
    if (dekAlgName.equals("DESEDE")) {
        dekAlgName = "DES-EDE3-CBC";
    }
    int ivLength = dekAlgName.startsWith("AES-") ? 16 : 8;
    byte[] iv = new byte[ivLength];
    random.nextBytes(iv);
    byte[] encData = PEMUtilities.crypt(true, provider, keyData, password, dekAlgName, iv);
    List headers = new ArrayList(2);
    headers.add(new PemHeader("Proc-Type", "4,ENCRYPTED"));
    headers.add(new PemHeader("DEK-Info", dekAlgName + "," + getHexEncoded(iv)));
    return new PemObject(type, headers, encData);
}