use of com.github.zhenwei.provider.jcajce.spec.XMSSMTParameterSpec 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;
}
Aggregations