Examples with ASN1BitString com.unboundid.asn1.ASN1BitString used on opensource projects

Example 66 with ASN1BitString

use of com.unboundid.asn1.ASN1BitString in project LinLong-Java by zhenwei1108.

the class BCDSTU4145PublicKey method populateFromPubKeyInfo.

private void populateFromPubKeyInfo(SubjectPublicKeyInfo info) {
    ASN1BitString bits = info.getPublicKeyData();
    ASN1OctetString key;
    this.algorithm = "DSTU4145";
    try {
        key = (ASN1OctetString) ASN1Primitive.fromByteArray(bits.getBytes());
    } catch (IOException ex) {
        throw new IllegalArgumentException("error recovering public key");
    }
    byte[] keyEnc = key.getOctets();
    if (info.getAlgorithm().getAlgorithm().equals(UAObjectIdentifiers.dstu4145le)) {
        reverseBytes(keyEnc);
    }
    ASN1Sequence seq = ASN1Sequence.getInstance(info.getAlgorithm().getParameters());
    com.github.zhenwei.provider.jce.spec.ECParameterSpec spec = null;
    X9ECParameters x9Params = null;
    if (seq.getObjectAt(0) instanceof ASN1Integer) {
        x9Params = X9ECParameters.getInstance(seq);
        spec = new com.github.zhenwei.provider.jce.spec.ECParameterSpec(x9Params.getCurve(), x9Params.getG(), x9Params.getN(), x9Params.getH(), x9Params.getSeed());
    } else {
        dstuParams = DSTU4145Params.getInstance(seq);
        if (dstuParams.isNamedCurve()) {
            ASN1ObjectIdentifier curveOid = dstuParams.getNamedCurve();
            ECDomainParameters ecP = DSTU4145NamedCurves.getByOID(curveOid);
            spec = new ECNamedCurveParameterSpec(curveOid.getId(), ecP.getCurve(), ecP.getG(), ecP.getN(), ecP.getH(), ecP.getSeed());
        } else {
            DSTU4145ECBinary binary = dstuParams.getECBinary();
            byte[] b_bytes = binary.getB();
            if (info.getAlgorithm().getAlgorithm().equals(UAObjectIdentifiers.dstu4145le)) {
                reverseBytes(b_bytes);
            }
            DSTU4145BinaryField field = binary.getField();
            ECCurve curve = new ECCurve.F2m(field.getM(), field.getK1(), field.getK2(), field.getK3(), binary.getA(), new BigInteger(1, b_bytes));
            byte[] g_bytes = binary.getG();
            if (info.getAlgorithm().getAlgorithm().equals(UAObjectIdentifiers.dstu4145le)) {
                reverseBytes(g_bytes);
            }
            spec = new com.github.zhenwei.provider.jce.spec.ECParameterSpec(curve, DSTU4145PointEncoder.decodePoint(curve, g_bytes), binary.getN());
        }
    }
    ECCurve curve = spec.getCurve();
    EllipticCurve ellipticCurve = EC5Util.convertCurve(curve, spec.getSeed());
    if (dstuParams != null) {
        ECPoint g = EC5Util.convertPoint(spec.getG());
        if (dstuParams.isNamedCurve()) {
            String name = dstuParams.getNamedCurve().getId();
            ecSpec = new ECNamedCurveSpec(name, ellipticCurve, g, spec.getN(), spec.getH());
        } else {
            ecSpec = new ECParameterSpec(ellipticCurve, g, spec.getN(), spec.getH().intValue());
        }
    } else {
        ecSpec = EC5Util.convertToSpec(x9Params);
    }
    // this.q = curve.createPoint(new BigInteger(1, x), new BigInteger(1, y), false);
    this.ecPublicKey = new ECPublicKeyParameters(DSTU4145PointEncoder.decodePoint(curve, keyEnc), EC5Util.getDomainParameters(null, ecSpec));
}

Example 67 with ASN1BitString

use of com.unboundid.asn1.ASN1BitString in project LinLong-Java by zhenwei1108.

the class BCECPublicKey method populateFromPubKeyInfo.

private void populateFromPubKeyInfo(SubjectPublicKeyInfo info) {
    X962Parameters params = X962Parameters.getInstance(info.getAlgorithm().getParameters());
    ECCurve curve = EC5Util.getCurve(configuration, params);
    ecSpec = EC5Util.convertToSpec(params, curve);
    ASN1BitString bits = info.getPublicKeyData();
    byte[] data = bits.getBytes();
    ASN1OctetString key = new DEROctetString(data);
    // 
    if (data[0] == 0x04 && data[1] == data.length - 2 && (data[2] == 0x02 || data[2] == 0x03)) {
        int qLength = new X9IntegerConverter().getByteLength(curve);
        if (qLength >= data.length - 3) {
            try {
                key = (ASN1OctetString) ASN1Primitive.fromByteArray(data);
            } catch (IOException ex) {
                throw new IllegalArgumentException("error recovering public key");
            }
        }
    }
    X9ECPoint derQ = new X9ECPoint(curve, key);
    this.ecPublicKey = new ECPublicKeyParameters(derQ.getPoint(), ECUtil.getDomainParameters(configuration, params));
}

Example 68 with ASN1BitString

use of com.unboundid.asn1.ASN1BitString in project LinLong-Java by zhenwei1108.

the class X509V2AttributeCertificate method getIssuerUniqueID.

public boolean[] getIssuerUniqueID() {
    ASN1BitString id = cert.getAcinfo().getIssuerUniqueID();
    if (id != null) {
        byte[] bytes = id.getBytes();
        boolean[] boolId = new boolean[bytes.length * 8 - id.getPadBits()];
        for (int i = 0; i != boolId.length; i++) {
            boolId[i] = (bytes[i / 8] & (0x80 >>> (i % 8))) != 0;
        }
        return boolId;
    }
    return null;
}

Example 69 with ASN1BitString

use of com.unboundid.asn1.ASN1BitString in project LinLong-Java by zhenwei1108.

the class PrivateKeyFactory method createKey.

/**
 * Create a private key parameter from the passed in PKCS8 PrivateKeyInfo object.
 *
 * @param keyInfo the PrivateKeyInfo object containing the key material
 * @return a suitable private key parameter
 * @throws IOException on an error decoding the key
 */
public static AsymmetricKeyParameter createKey(PrivateKeyInfo keyInfo) throws IOException {
    AlgorithmIdentifier algId = keyInfo.getPrivateKeyAlgorithm();
    ASN1ObjectIdentifier algOID = algId.getAlgorithm();
    if (algOID.on(BCObjectIdentifiers.qTESLA)) {
        ASN1OctetString qTESLAPriv = ASN1OctetString.getInstance(keyInfo.parsePrivateKey());
        return new QTESLAPrivateKeyParameters(Utils.qTeslaLookupSecurityCategory(keyInfo.getPrivateKeyAlgorithm()), qTESLAPriv.getOctets());
    } else if (algOID.equals(BCObjectIdentifiers.sphincs256)) {
        return new SPHINCSPrivateKeyParameters(ASN1OctetString.getInstance(keyInfo.parsePrivateKey()).getOctets(), Utils.sphincs256LookupTreeAlgName(SPHINCS256KeyParams.getInstance(keyInfo.getPrivateKeyAlgorithm().getParameters())));
    } else if (algOID.equals(BCObjectIdentifiers.newHope)) {
        return new NHPrivateKeyParameters(convert(ASN1OctetString.getInstance(keyInfo.parsePrivateKey()).getOctets()));
    } else if (algOID.equals(PKCSObjectIdentifiers.id_alg_hss_lms_hashsig)) {
        byte[] keyEnc = ASN1OctetString.getInstance(keyInfo.parsePrivateKey()).getOctets();
        ASN1BitString pubKey = keyInfo.getPublicKeyData();
        if (Pack.bigEndianToInt(keyEnc, 0) == 1) {
            if (pubKey != null) {
                byte[] pubEnc = pubKey.getOctets();
                return LMSPrivateKeyParameters.getInstance(Arrays.copyOfRange(keyEnc, 4, keyEnc.length), Arrays.copyOfRange(pubEnc, 4, pubEnc.length));
            }
            return LMSPrivateKeyParameters.getInstance(Arrays.copyOfRange(keyEnc, 4, keyEnc.length));
        } else {
            if (pubKey != null) {
                byte[] pubEnc = pubKey.getOctets();
                return HSSPrivateKeyParameters.getInstance(Arrays.copyOfRange(keyEnc, 4, keyEnc.length), pubEnc);
            }
            return HSSPrivateKeyParameters.getInstance(Arrays.copyOfRange(keyEnc, 4, keyEnc.length));
        }
    } else if (algOID.equals(BCObjectIdentifiers.xmss)) {
        XMSSKeyParams keyParams = XMSSKeyParams.getInstance(keyInfo.getPrivateKeyAlgorithm().getParameters());
        ASN1ObjectIdentifier treeDigest = keyParams.getTreeDigest().getAlgorithm();
        XMSSPrivateKey xmssPrivateKey = XMSSPrivateKey.getInstance(keyInfo.parsePrivateKey());
        try {
            XMSSPrivateKeyParameters.Builder keyBuilder = new XMSSPrivateKeyParameters.Builder(new XMSSParameters(keyParams.getHeight(), Utils.getDigest(treeDigest))).withIndex(xmssPrivateKey.getIndex()).withSecretKeySeed(xmssPrivateKey.getSecretKeySeed()).withSecretKeyPRF(xmssPrivateKey.getSecretKeyPRF()).withPublicSeed(xmssPrivateKey.getPublicSeed()).withRoot(xmssPrivateKey.getRoot());
            if (xmssPrivateKey.getVersion() != 0) {
                keyBuilder.withMaxIndex(xmssPrivateKey.getMaxIndex());
            }
            if (xmssPrivateKey.getBdsState() != null) {
                BDS bds = (BDS) XMSSUtil.deserialize(xmssPrivateKey.getBdsState(), BDS.class);
                keyBuilder.withBDSState(bds.withWOTSDigest(treeDigest));
            }
            return keyBuilder.build();
        } catch (ClassNotFoundException e) {
            throw new IOException("ClassNotFoundException processing BDS state: " + e.getMessage());
        }
    } else if (algOID.equals(PQCObjectIdentifiers.xmss_mt)) {
        XMSSMTKeyParams keyParams = XMSSMTKeyParams.getInstance(keyInfo.getPrivateKeyAlgorithm().getParameters());
        ASN1ObjectIdentifier treeDigest = keyParams.getTreeDigest().getAlgorithm();
        try {
            XMSSMTPrivateKey xmssMtPrivateKey = XMSSMTPrivateKey.getInstance(keyInfo.parsePrivateKey());
            XMSSMTPrivateKeyParameters.Builder keyBuilder = new XMSSMTPrivateKeyParameters.Builder(new XMSSMTParameters(keyParams.getHeight(), keyParams.getLayers(), Utils.getDigest(treeDigest))).withIndex(xmssMtPrivateKey.getIndex()).withSecretKeySeed(xmssMtPrivateKey.getSecretKeySeed()).withSecretKeyPRF(xmssMtPrivateKey.getSecretKeyPRF()).withPublicSeed(xmssMtPrivateKey.getPublicSeed()).withRoot(xmssMtPrivateKey.getRoot());
            if (xmssMtPrivateKey.getVersion() != 0) {
                keyBuilder.withMaxIndex(xmssMtPrivateKey.getMaxIndex());
            }
            if (xmssMtPrivateKey.getBdsState() != null) {
                BDSStateMap bdsState = (BDSStateMap) XMSSUtil.deserialize(xmssMtPrivateKey.getBdsState(), BDSStateMap.class);
                keyBuilder.withBDSState(bdsState.withWOTSDigest(treeDigest));
            }
            return keyBuilder.build();
        } catch (ClassNotFoundException e) {
            throw new IOException("ClassNotFoundException processing BDS state: " + e.getMessage());
        }
    } else if (algOID.equals(PQCObjectIdentifiers.mcElieceCca2)) {
        McElieceCCA2PrivateKey mKey = McElieceCCA2PrivateKey.getInstance(keyInfo.parsePrivateKey());
        return new McElieceCCA2PrivateKeyParameters(mKey.getN(), mKey.getK(), mKey.getField(), mKey.getGoppaPoly(), mKey.getP(), Utils.getDigestName(mKey.getDigest().getAlgorithm()));
    } else {
        throw new RuntimeException("algorithm identifier in private key not recognised");
    }
}

Example 70 with ASN1BitString

use of com.unboundid.asn1.ASN1BitString in project LinLong-Java by zhenwei1108.

the class X509CertificateObject method createKeyUsage.

private static boolean[] createKeyUsage(com.github.zhenwei.core.asn1.x509.Certificate c) throws CertificateParsingException {
    try {
        byte[] extOctets = getExtensionOctets(c, "2.5.29.15");
        if (null == extOctets) {
            return null;
        }
        ASN1BitString bits = DERBitString.getInstance(ASN1Primitive.fromByteArray(extOctets));
        byte[] bytes = bits.getBytes();
        int length = (bytes.length * 8) - bits.getPadBits();
        boolean[] keyUsage = new boolean[(length < 9) ? 9 : length];
        for (int i = 0; i != length; i++) {
            keyUsage[i] = (bytes[i / 8] & (0x80 >>> (i % 8))) != 0;
        }
        return keyUsage;
    } catch (Exception e) {
        throw new CertificateParsingException("cannot construct KeyUsage: " + e);
    }
}