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

Example 1 with XMSSMTKeyGenerationParameters

use of com.github.zhenwei.core.pqc.crypto.xmss.XMSSMTKeyGenerationParameters 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 XMSSMTKeyGenerationParameters

use of com.github.zhenwei.core.pqc.crypto.xmss.XMSSMTKeyGenerationParameters 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;
}