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

Example 61 with ASN1BitString

use of com.unboundid.asn1.ASN1BitString in project jmulticard by ctt-gob-es.

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(final PrivateKeyInfo keyInfo) throws IOException {
    final AlgorithmIdentifier algId = keyInfo.getPrivateKeyAlgorithm();
    final ASN1ObjectIdentifier algOID = algId.getAlgorithm();
    if (algOID.on(BCObjectIdentifiers.qTESLA)) {
        final ASN1OctetString qTESLAPriv = ASN1OctetString.getInstance(keyInfo.parsePrivateKey());
        return new QTESLAPrivateKeyParameters(Utils.qTeslaLookupSecurityCategory(keyInfo.getPrivateKeyAlgorithm()), qTESLAPriv.getOctets());
    }
    if (algOID.equals(BCObjectIdentifiers.sphincs256)) {
        return new SPHINCSPrivateKeyParameters(ASN1OctetString.getInstance(keyInfo.parsePrivateKey()).getOctets(), Utils.sphincs256LookupTreeAlgName(SPHINCS256KeyParams.getInstance(keyInfo.getPrivateKeyAlgorithm().getParameters())));
    }
    if (algOID.equals(BCObjectIdentifiers.newHope)) {
        return new NHPrivateKeyParameters(convert(ASN1OctetString.getInstance(keyInfo.parsePrivateKey()).getOctets()));
    }
    if (algOID.equals(PKCSObjectIdentifiers.id_alg_hss_lms_hashsig)) {
        final byte[] keyEnc = ASN1OctetString.getInstance(keyInfo.parsePrivateKey()).getOctets();
        final ASN1BitString pubKey = keyInfo.getPublicKeyData();
        if (Pack.bigEndianToInt(keyEnc, 0) == 1) {
            if (pubKey != null) {
                final 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));
        }
        if (pubKey != null) {
            final byte[] pubEnc = pubKey.getOctets();
            return HSSPrivateKeyParameters.getInstance(Arrays.copyOfRange(keyEnc, 4, keyEnc.length), pubEnc);
        }
        return HSSPrivateKeyParameters.getInstance(Arrays.copyOfRange(keyEnc, 4, keyEnc.length));
    }
    if (algOID.on(BCObjectIdentifiers.sphincsPlus)) {
        final byte[] keyEnc = ASN1OctetString.getInstance(keyInfo.parsePrivateKey()).getOctets();
        final SPHINCSPlusParameters spParams = SPHINCSPlusParameters.getParams(Integers.valueOf(Pack.bigEndianToInt(keyEnc, 0)));
        return new SPHINCSPlusPrivateKeyParameters(spParams, Arrays.copyOfRange(keyEnc, 4, keyEnc.length));
    }
    if (algOID.on(BCObjectIdentifiers.pqc_kem_mceliece)) {
        final CMCEPrivateKey cmceKey = CMCEPrivateKey.getInstance(keyInfo.parsePrivateKey());
        final CMCEParameters spParams = Utils.mcElieceParamsLookup(keyInfo.getPrivateKeyAlgorithm().getAlgorithm());
        return new CMCEPrivateKeyParameters(spParams, cmceKey.getDelta(), cmceKey.getC(), cmceKey.getG(), cmceKey.getAlpha(), cmceKey.getS());
    } else if (algOID.on(BCObjectIdentifiers.pqc_kem_frodo)) {
        final byte[] keyEnc = ASN1OctetString.getInstance(keyInfo.parsePrivateKey()).getOctets();
        final FrodoParameters spParams = Utils.frodoParamsLookup(keyInfo.getPrivateKeyAlgorithm().getAlgorithm());
        return new FrodoPrivateKeyParameters(spParams, keyEnc);
    } else if (algOID.on(BCObjectIdentifiers.pqc_kem_saber)) {
        final byte[] keyEnc = ASN1OctetString.getInstance(keyInfo.parsePrivateKey()).getOctets();
        final SABERParameters spParams = Utils.saberParamsLookup(keyInfo.getPrivateKeyAlgorithm().getAlgorithm());
        return new SABERPrivateKeyParameters(spParams, keyEnc);
    } else if (algOID.equals(BCObjectIdentifiers.xmss) || algOID.equals(PQCObjectIdentifiers.xmss_mt)) {
        // $NON-NLS-1$
        throw new IOException("Modificacion para JMultiCard");
    } else if (algOID.equals(PQCObjectIdentifiers.mcElieceCca2)) {
        final 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 {
        // $NON-NLS-1$
        throw new RuntimeException("algorithm identifier in private key not recognised");
    }
}

Example 62 with ASN1BitString

use of com.unboundid.asn1.ASN1BitString in project openkeystore by cyberphone.

the class XMLSignatureWrapper method readPublicKey.

public static PublicKey readPublicKey(DOMReaderHelper rd) throws IOException {
    PublicKey publicKey = null;
    try {
        if (rd.hasNext(RSA_KEY_VALUE_ELEM)) {
            rd.getNext(RSA_KEY_VALUE_ELEM);
            rd.getChild();
            publicKey = KeyFactory.getInstance("RSA").generatePublic(new RSAPublicKeySpec(readCryptoBinary(rd, MODULUS_ELEM), readCryptoBinary(rd, EXPONENT_ELEM)));
        } else {
            rd.getNext(EC_KEY_VALUE_ELEM);
            rd.getChild();
            rd.getNext(NAMED_CURVE_ELEM);
            final String named_curve = rd.getAttributeHelper().getString(URI_ATTR);
            if (!named_curve.startsWith(KeyAlgorithms.XML_DSIG_CURVE_PREFIX)) {
                throw new IOException("Syntax error: " + named_curve);
            }
            publicKey = KeyFactory.getInstance("EC").generatePublic(new X509EncodedKeySpec(new ASN1Sequence(new BaseASN1Object[] { new ASN1Sequence(new BaseASN1Object[] { new ASN1ObjectID(EC_NAMED_CURVES_OID), new ASN1ObjectID(named_curve.substring(KeyAlgorithms.XML_DSIG_CURVE_PREFIX.length())) }), new ASN1BitString(rd.getBinary(PUBLIC_KEY_ELEM)) }).encode()));
        }
    } catch (GeneralSecurityException e) {
        throw new IOException(e);
    }
    rd.getParent();
    // Verify that it is one of the supported
    KeyAlgorithms.getKeyAlgorithm(publicKey);
    return publicKey;
}

Example 63 with ASN1BitString

use of com.unboundid.asn1.ASN1BitString in project openkeystore by cyberphone.

the class KeyStore2PEMConverter method writePrivateKey.

public void writePrivateKey(PrivateKey privateKey, PublicKey publicKey) throws Exception {
    byte[] encoded;
    KeyAlgorithms keyAlgorithm = KeyAlgorithms.getKeyAlgorithm(privateKey);
    if (privateKey instanceof RSAKey) {
        encoded = privateKey.getEncoded();
    } else if (privateKey instanceof ECKey) {
        JSONObjectReader jwk = JSONParser.parse(new KeyStore2JWKConverter().writePrivateKey(privateKey, publicKey));
        encoded = new ASN1Sequence(new BaseASN1Object[] { new ASN1Integer(0), new ASN1Sequence(new BaseASN1Object[] { new ASN1ObjectID(EC_PUBLIC_KEY_OID), new ASN1ObjectID(keyAlgorithm.getECDomainOID()) }), new ASN1OctetString(new ASN1Sequence(new BaseASN1Object[] { new ASN1Integer(1), new ASN1OctetString(jwk.getBinary("d")), new CompositeContextSpecific(1, new ASN1BitString(ArrayUtil.add(new byte[] { 4 }, ArrayUtil.add(jwk.getBinary("x"), jwk.getBinary("y"))))) }).encode()) }).encode();
    } else {
        encoded = new ASN1Sequence(new BaseASN1Object[] { new ASN1Integer(1), new ASN1Sequence(new ASN1ObjectID(keyAlgorithm.getECDomainOID())), new ASN1OctetString(new ASN1OctetString(OkpSupport.private2RawOkpKey(privateKey, keyAlgorithm)).encode()), new SimpleContextSpecific(1, // BITSTRING unused bits
        ArrayUtil.add(// BITSTRING unused bits
        new byte[] { 0 }, OkpSupport.public2RawOkpKey(publicKey, keyAlgorithm))) }).encode();
    }
    writeObject("PRIVATE KEY", encoded);
}

Example 64 with ASN1BitString

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

the class BCECGOST3410PublicKey method populateFromPubKeyInfo.

private void populateFromPubKeyInfo(SubjectPublicKeyInfo info) {
    ASN1BitString bits = info.getPublicKeyData();
    ASN1OctetString key;
    this.algorithm = "ECGOST3410";
    try {
        key = (ASN1OctetString) ASN1Primitive.fromByteArray(bits.getBytes());
    } catch (IOException ex) {
        throw new IllegalArgumentException("error recovering public key");
    }
    byte[] keyEnc = key.getOctets();
    byte[] x9Encoding = new byte[65];
    x9Encoding[0] = 0x04;
    for (int i = 1; i <= 32; ++i) {
        x9Encoding[i] = keyEnc[32 - i];
        x9Encoding[i + 32] = keyEnc[64 - i];
    }
    ASN1ObjectIdentifier paramOID;
    if (info.getAlgorithm().getParameters() instanceof ASN1ObjectIdentifier) {
        paramOID = ASN1ObjectIdentifier.getInstance(info.getAlgorithm().getParameters());
        gostParams = paramOID;
    } else {
        GOST3410PublicKeyAlgParameters params = GOST3410PublicKeyAlgParameters.getInstance(info.getAlgorithm().getParameters());
        gostParams = params;
        paramOID = params.getPublicKeyParamSet();
    }
    ECNamedCurveParameterSpec spec = ECGOST3410NamedCurveTable.getParameterSpec(ECGOST3410NamedCurves.getName(paramOID));
    ECCurve curve = spec.getCurve();
    EllipticCurve ellipticCurve = EC5Util.convertCurve(curve, spec.getSeed());
    this.ecPublicKey = new ECPublicKeyParameters(curve.decodePoint(x9Encoding), ECUtil.getDomainParameters(null, spec));
    this.ecSpec = new ECNamedCurveSpec(ECGOST3410NamedCurves.getName(paramOID), ellipticCurve, EC5Util.convertPoint(spec.getG()), spec.getN(), spec.getH());
}

Example 65 with ASN1BitString

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

the class BCECGOST3410_2012PublicKey method populateFromPubKeyInfo.

private void populateFromPubKeyInfo(SubjectPublicKeyInfo info) {
    ASN1ObjectIdentifier algOid = info.getAlgorithm().getAlgorithm();
    ASN1BitString bits = info.getPublicKeyData();
    ASN1OctetString key;
    this.algorithm = "ECGOST3410-2012";
    try {
        key = (ASN1OctetString) ASN1Primitive.fromByteArray(bits.getBytes());
    } catch (IOException ex) {
        throw new IllegalArgumentException("error recovering public key");
    }
    byte[] keyEnc = key.getOctets();
    int fieldSize = 32;
    if (algOid.equals(RosstandartObjectIdentifiers.id_tc26_gost_3410_12_512)) {
        fieldSize = 64;
    }
    int keySize = 2 * fieldSize;
    byte[] x9Encoding = new byte[1 + keySize];
    x9Encoding[0] = 0x04;
    for (int i = 1; i <= fieldSize; ++i) {
        x9Encoding[i] = keyEnc[fieldSize - i];
        x9Encoding[i + fieldSize] = keyEnc[keySize - i];
    }
    this.gostParams = GOST3410PublicKeyAlgParameters.getInstance(info.getAlgorithm().getParameters());
    ECNamedCurveParameterSpec spec = ECGOST3410NamedCurveTable.getParameterSpec(ECGOST3410NamedCurves.getName(gostParams.getPublicKeyParamSet()));
    ECCurve curve = spec.getCurve();
    EllipticCurve ellipticCurve = EC5Util.convertCurve(curve, spec.getSeed());
    this.ecPublicKey = new ECPublicKeyParameters(curve.decodePoint(x9Encoding), ECUtil.getDomainParameters(null, spec));
    this.ecSpec = new ECNamedCurveSpec(ECGOST3410NamedCurves.getName(gostParams.getPublicKeyParamSet()), ellipticCurve, EC5Util.convertPoint(spec.getG()), spec.getN(), spec.getH());
}