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

Example 91 with PrivateKeyInfo

use of com.github.zhenwei.core.asn1.pkcs.PrivateKeyInfo in project LinLong-Java by zhenwei1108.

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 X509CertificateHolder) {
        type = "CERTIFICATE";
        encoding = ((X509CertificateHolder) o).getEncoded();
    } else if (o instanceof X509CRLHolder) {
        type = "X509 CRL";
        encoding = ((X509CRLHolder) o).getEncoded();
    } else if (o instanceof X509TrustedCertificateBlock) {
        type = "TRUSTED CERTIFICATE";
        encoding = ((X509TrustedCertificateBlock) o).getEncoded();
    } else if (o instanceof PrivateKeyInfo) {
        PrivateKeyInfo info = (PrivateKeyInfo) o;
        ASN1ObjectIdentifier algOID = info.getPrivateKeyAlgorithm().getAlgorithm();
        if (algOID.equals(PKCSObjectIdentifiers.rsaEncryption)) {
            type = "RSA PRIVATE KEY";
            encoding = info.parsePrivateKey().toASN1Primitive().getEncoded();
        } else if (algOID.equals(dsaOids[0]) || algOID.equals(dsaOids[1])) {
            type = "DSA PRIVATE KEY";
            DSAParameter p = DSAParameter.getInstance(info.getPrivateKeyAlgorithm().getParameters());
            ASN1EncodableVector v = new ASN1EncodableVector();
            v.add(new ASN1Integer(0));
            v.add(new ASN1Integer(p.getP()));
            v.add(new ASN1Integer(p.getQ()));
            v.add(new ASN1Integer(p.getG()));
            BigInteger x = ASN1Integer.getInstance(info.parsePrivateKey()).getValue();
            BigInteger y = p.getG().modPow(x, p.getP());
            v.add(new ASN1Integer(y));
            v.add(new ASN1Integer(x));
            encoding = new DERSequence(v).getEncoded();
        } else if (algOID.equals(X9ObjectIdentifiers.id_ecPublicKey)) {
            type = "EC PRIVATE KEY";
            encoding = info.parsePrivateKey().toASN1Primitive().getEncoded();
        } else {
            type = "PRIVATE KEY";
            encoding = info.getEncoded();
        }
    } else if (o instanceof SubjectPublicKeyInfo) {
        type = "PUBLIC KEY";
        encoding = ((SubjectPublicKeyInfo) o).getEncoded();
    } else if (o instanceof X509AttributeCertificateHolder) {
        type = "ATTRIBUTE CERTIFICATE";
        encoding = ((X509AttributeCertificateHolder) o).getEncoded();
    } else if (o instanceof com.github.zhenwei.pkix.pkcs.PKCS10CertificationRequest) {
        type = "CERTIFICATE REQUEST";
        encoding = ((PKCS10CertificationRequest) o).getEncoded();
    } else if (o instanceof PKCS8EncryptedPrivateKeyInfo) {
        type = "ENCRYPTED PRIVATE KEY";
        encoding = ((PKCS8EncryptedPrivateKeyInfo) o).getEncoded();
    } else if (o instanceof ContentInfo) {
        type = "PKCS7";
        encoding = ((ContentInfo) o).getEncoded();
    } else {
        throw new PemGenerationException("unknown object passed - can't encode.");
    }
    if (encryptor != null) {
        String dekAlgName = Strings.toUpperCase(encryptor.getAlgorithm());
        // Note: For backward compatibility
        if (dekAlgName.equals("DESEDE")) {
            dekAlgName = "DES-EDE3-CBC";
        }
        byte[] iv = encryptor.getIV();
        byte[] encData = encryptor.encrypt(encoding);
        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);
    }
    return new PemObject(type, encoding);
}

Example 92 with PrivateKeyInfo

use of com.github.zhenwei.core.asn1.pkcs.PrivateKeyInfo in project LinLong-Java by zhenwei1108.

the class PKCS8EncryptedPrivateKeyInfoBuilder method build.

public PKCS8EncryptedPrivateKeyInfo build(OutputEncryptor encryptor) {
    try {
        ByteArrayOutputStream bOut = new ByteArrayOutputStream();
        OutputStream cOut = encryptor.getOutputStream(bOut);
        cOut.write(privateKeyInfo.getEncoded());
        cOut.close();
        return new PKCS8EncryptedPrivateKeyInfo(new EncryptedPrivateKeyInfo(encryptor.getAlgorithmIdentifier(), bOut.toByteArray()));
    } catch (IOException e) {
        throw new IllegalStateException("cannot encode privateKeyInfo");
    }
}

Example 93 with PrivateKeyInfo

use of com.github.zhenwei.core.asn1.pkcs.PrivateKeyInfo in project LinLong-Java by zhenwei1108.

the class BCECGOST3410_2012PrivateKey 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() {
    boolean is512 = d.bitLength() > 256;
    ASN1ObjectIdentifier identifier = (is512) ? RosstandartObjectIdentifiers.id_tc26_gost_3410_12_512 : RosstandartObjectIdentifiers.id_tc26_gost_3410_12_256;
    int size = (is512) ? 64 : 32;
    if (gostParams != null) {
        byte[] encKey = new byte[size];
        extractBytes(encKey, size, 0, this.getS());
        try {
            PrivateKeyInfo info = new PrivateKeyInfo(new AlgorithmIdentifier(identifier, gostParams), new DEROctetString(encKey));
            return info.getEncoded(ASN1Encoding.DER);
        } catch (IOException e) {
            return null;
        }
    } else {
        X962Parameters params;
        int orderBitLength;
        if (ecSpec instanceof ECNamedCurveSpec) {
            ASN1ObjectIdentifier curveOid = ECUtil.getNamedCurveOid(((ECNamedCurveSpec) ecSpec).getName());
            if (// guess it's the OID
            curveOid == null) {
                curveOid = new ASN1ObjectIdentifier(((ECNamedCurveSpec) ecSpec).getName());
            }
            params = new X962Parameters(curveOid);
            orderBitLength = ECUtil.getOrderBitLength(WeGooProvider.CONFIGURATION, ecSpec.getOrder(), this.getS());
        } else if (ecSpec == null) {
            params = new X962Parameters(DERNull.INSTANCE);
            orderBitLength = ECUtil.getOrderBitLength(WeGooProvider.CONFIGURATION, null, this.getS());
        } else {
            ECCurve curve = EC5Util.convertCurve(ecSpec.getCurve());
            X9ECParameters ecP = new X9ECParameters(curve, new X9ECPoint(EC5Util.convertPoint(curve, ecSpec.getGenerator()), withCompression), ecSpec.getOrder(), BigInteger.valueOf(ecSpec.getCofactor()), ecSpec.getCurve().getSeed());
            params = new X962Parameters(ecP);
            orderBitLength = ECUtil.getOrderBitLength(WeGooProvider.CONFIGURATION, ecSpec.getOrder(), this.getS());
        }
        PrivateKeyInfo info;
        com.github.zhenwei.core.asn1.sec.ECPrivateKey keyStructure;
        if (publicKey != null) {
            keyStructure = new com.github.zhenwei.core.asn1.sec.ECPrivateKey(orderBitLength, this.getS(), publicKey, params);
        } else {
            keyStructure = new com.github.zhenwei.core.asn1.sec.ECPrivateKey(orderBitLength, this.getS(), params);
        }
        try {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(identifier, params.toASN1Primitive()), keyStructure.toASN1Primitive());
            return info.getEncoded(ASN1Encoding.DER);
        } catch (IOException e) {
            return null;
        }
    }
}

Example 94 with PrivateKeyInfo

use of com.github.zhenwei.core.asn1.pkcs.PrivateKeyInfo in project LinLong-Java by zhenwei1108.

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 = WeGooProvider.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 95 with PrivateKeyInfo

use of com.github.zhenwei.core.asn1.pkcs.PrivateKeyInfo in project LinLong-Java by zhenwei1108.

the class JCEECPrivateKey method populateFromPrivKeyInfo.

private void populateFromPrivKeyInfo(PrivateKeyInfo info) throws IOException {
    X962Parameters params = X962Parameters.getInstance(info.getPrivateKeyAlgorithm().getParameters());
    if (params.isNamedCurve()) {
        ASN1ObjectIdentifier oid = ASN1ObjectIdentifier.getInstance(params.getParameters());
        X9ECParameters ecP = ECUtil.getNamedCurveByOid(oid);
        if (// GOST Curve
        ecP == null) {
            ECDomainParameters gParam = ECGOST3410NamedCurves.getByOID(oid);
            EllipticCurve ellipticCurve = EC5Util.convertCurve(gParam.getCurve(), gParam.getSeed());
            ecSpec = new ECNamedCurveSpec(ECGOST3410NamedCurves.getName(oid), ellipticCurve, EC5Util.convertPoint(gParam.getG()), gParam.getN(), gParam.getH());
        } else {
            EllipticCurve ellipticCurve = EC5Util.convertCurve(ecP.getCurve(), ecP.getSeed());
            ecSpec = new ECNamedCurveSpec(ECUtil.getCurveName(oid), ellipticCurve, EC5Util.convertPoint(ecP.getG()), ecP.getN(), ecP.getH());
        }
    } else if (params.isImplicitlyCA()) {
        ecSpec = null;
    } else {
        X9ECParameters ecP = X9ECParameters.getInstance(params.getParameters());
        EllipticCurve ellipticCurve = EC5Util.convertCurve(ecP.getCurve(), ecP.getSeed());
        this.ecSpec = new ECParameterSpec(ellipticCurve, EC5Util.convertPoint(ecP.getG()), ecP.getN(), ecP.getH().intValue());
    }
    ASN1Encodable privKey = info.parsePrivateKey();
    if (privKey instanceof ASN1Integer) {
        ASN1Integer derD = ASN1Integer.getInstance(privKey);
        this.d = derD.getValue();
    } else {
        ECPrivateKeyStructure ec = new ECPrivateKeyStructure((ASN1Sequence) privKey);
        this.d = ec.getKey();
        this.publicKey = ec.getPublicKey();
    }
}