Examples with XMSSMTParameters com.github.zhenwei.core.pqc.crypto.xmss.XMSSMTParameters used on opensource projects

Example 1 with XMSSMTParameters

use of com.github.zhenwei.core.pqc.crypto.xmss.XMSSMTParameters in project LinLong-Java by zhenwei1108.

the class XMSSMTKeyPairGeneratorSpi method generateKeyPair.

public KeyPair generateKeyPair() {
    if (!initialised) {
        param = new XMSSMTKeyGenerationParameters(new XMSSMTParameters(10, 20, new SHA512Digest()), random);
        engine.init(param);
        initialised = true;
    }
    AsymmetricCipherKeyPair pair = engine.generateKeyPair();
    XMSSMTPublicKeyParameters pub = (XMSSMTPublicKeyParameters) pair.getPublic();
    XMSSMTPrivateKeyParameters priv = (XMSSMTPrivateKeyParameters) pair.getPrivate();
    return new KeyPair(new BCXMSSMTPublicKey(treeDigest, pub), new BCXMSSMTPrivateKey(treeDigest, priv));
}

Example 2 with XMSSMTParameters

use of com.github.zhenwei.core.pqc.crypto.xmss.XMSSMTParameters in project LinLong-Java by zhenwei1108.

the class XMSSMTKeyPairGeneratorSpi method initialize.

public void initialize(AlgorithmParameterSpec params, SecureRandom random) throws InvalidAlgorithmParameterException {
    if (!(params instanceof XMSSMTParameterSpec)) {
        throw new InvalidAlgorithmParameterException("parameter object not a XMSSMTParameterSpec");
    }
    XMSSMTParameterSpec xmssParams = (XMSSMTParameterSpec) params;
    if (xmssParams.getTreeDigest().equals(XMSSParameterSpec.SHA256)) {
        treeDigest = NISTObjectIdentifiers.id_sha256;
        param = new XMSSMTKeyGenerationParameters(new XMSSMTParameters(xmssParams.getHeight(), xmssParams.getLayers(), new SHA256Digest()), random);
    } else if (xmssParams.getTreeDigest().equals(XMSSParameterSpec.SHA512)) {
        treeDigest = NISTObjectIdentifiers.id_sha512;
        param = new XMSSMTKeyGenerationParameters(new XMSSMTParameters(xmssParams.getHeight(), xmssParams.getLayers(), new SHA512Digest()), random);
    } else if (xmssParams.getTreeDigest().equals(XMSSParameterSpec.SHAKE128)) {
        treeDigest = NISTObjectIdentifiers.id_shake128;
        param = new XMSSMTKeyGenerationParameters(new XMSSMTParameters(xmssParams.getHeight(), xmssParams.getLayers(), new SHAKEDigest(128)), random);
    } else if (xmssParams.getTreeDigest().equals(XMSSParameterSpec.SHAKE256)) {
        treeDigest = NISTObjectIdentifiers.id_shake256;
        param = new XMSSMTKeyGenerationParameters(new XMSSMTParameters(xmssParams.getHeight(), xmssParams.getLayers(), new SHAKEDigest(256)), random);
    }
    engine.init(param);
    initialised = true;
}

Example 3 with XMSSMTParameters

use of com.github.zhenwei.core.pqc.crypto.xmss.XMSSMTParameters 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");
    }
}