use of com.github.zhenwei.core.pqc.crypto.lms.LMSPrivateKeyParameters in project LinLong-Java by zhenwei1108.
the class PrivateKeyInfoFactory method createPrivateKeyInfo.
/**
* Create a PrivateKeyInfo representation of a private key with attributes.
*
* @param privateKey the key to be encoded into the info object.
* @param attributes the set of attributes to be included.
* @return the appropriate PrivateKeyInfo
* @throws IOException on an error encoding the key
*/
public static PrivateKeyInfo createPrivateKeyInfo(AsymmetricKeyParameter privateKey, ASN1Set attributes) throws IOException {
if (privateKey instanceof QTESLAPrivateKeyParameters) {
QTESLAPrivateKeyParameters keyParams = (QTESLAPrivateKeyParameters) privateKey;
AlgorithmIdentifier algorithmIdentifier = Utils.qTeslaLookupAlgID(keyParams.getSecurityCategory());
return new PrivateKeyInfo(algorithmIdentifier, new DEROctetString(keyParams.getSecret()), attributes);
} else if (privateKey instanceof SPHINCSPrivateKeyParameters) {
SPHINCSPrivateKeyParameters params = (SPHINCSPrivateKeyParameters) privateKey;
AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(PQCObjectIdentifiers.sphincs256, new SPHINCS256KeyParams(Utils.sphincs256LookupTreeAlgID(params.getTreeDigest())));
return new PrivateKeyInfo(algorithmIdentifier, new DEROctetString(params.getKeyData()));
} else if (privateKey instanceof NHPrivateKeyParameters) {
NHPrivateKeyParameters params = (NHPrivateKeyParameters) privateKey;
AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(PQCObjectIdentifiers.newHope);
short[] privateKeyData = params.getSecData();
byte[] octets = new byte[privateKeyData.length * 2];
for (int i = 0; i != privateKeyData.length; i++) {
Pack.shortToLittleEndian(privateKeyData[i], octets, i * 2);
}
return new PrivateKeyInfo(algorithmIdentifier, new DEROctetString(octets));
} else if (privateKey instanceof LMSPrivateKeyParameters) {
LMSPrivateKeyParameters params = (LMSPrivateKeyParameters) privateKey;
byte[] encoding = Composer.compose().u32str(1).bytes(params).build();
byte[] pubEncoding = Composer.compose().u32str(1).bytes(params.getPublicKey()).build();
AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(PKCSObjectIdentifiers.id_alg_hss_lms_hashsig);
return new PrivateKeyInfo(algorithmIdentifier, new DEROctetString(encoding), attributes, pubEncoding);
} else if (privateKey instanceof HSSPrivateKeyParameters) {
HSSPrivateKeyParameters params = (HSSPrivateKeyParameters) privateKey;
byte[] encoding = Composer.compose().u32str(params.getL()).bytes(params).build();
byte[] pubEncoding = Composer.compose().u32str(params.getL()).bytes(params.getPublicKey().getLMSPublicKey()).build();
AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(PKCSObjectIdentifiers.id_alg_hss_lms_hashsig);
return new PrivateKeyInfo(algorithmIdentifier, new DEROctetString(encoding), attributes, pubEncoding);
} else if (privateKey instanceof XMSSPrivateKeyParameters) {
XMSSPrivateKeyParameters keyParams = (XMSSPrivateKeyParameters) privateKey;
AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(PQCObjectIdentifiers.xmss, new XMSSKeyParams(keyParams.getParameters().getHeight(), Utils.xmssLookupTreeAlgID(keyParams.getTreeDigest())));
return new PrivateKeyInfo(algorithmIdentifier, xmssCreateKeyStructure(keyParams), attributes);
} else if (privateKey instanceof XMSSMTPrivateKeyParameters) {
XMSSMTPrivateKeyParameters keyParams = (XMSSMTPrivateKeyParameters) privateKey;
AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(PQCObjectIdentifiers.xmss_mt, new XMSSMTKeyParams(keyParams.getParameters().getHeight(), keyParams.getParameters().getLayers(), Utils.xmssLookupTreeAlgID(keyParams.getTreeDigest())));
return new PrivateKeyInfo(algorithmIdentifier, xmssmtCreateKeyStructure(keyParams), attributes);
} else if (privateKey instanceof McElieceCCA2PrivateKeyParameters) {
McElieceCCA2PrivateKeyParameters priv = (McElieceCCA2PrivateKeyParameters) privateKey;
McElieceCCA2PrivateKey mcEliecePriv = new McElieceCCA2PrivateKey(priv.getN(), priv.getK(), priv.getField(), priv.getGoppaPoly(), priv.getP(), Utils.getAlgorithmIdentifier(priv.getDigest()));
AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(PQCObjectIdentifiers.mcElieceCca2);
return new PrivateKeyInfo(algorithmIdentifier, mcEliecePriv);
} else {
throw new IOException("key parameters not recognized");
}
}
use of com.github.zhenwei.core.pqc.crypto.lms.LMSPrivateKeyParameters in project LinLong-Java by zhenwei1108.
the class LMSKeyPairGeneratorSpi method generateKeyPair.
public KeyPair generateKeyPair() {
if (!initialised) {
param = new LMSKeyGenerationParameters(new LMSParameters(LMSigParameters.lms_sha256_n32_h10, LMOtsParameters.sha256_n32_w2), random);
engine.init(param);
initialised = true;
}
AsymmetricCipherKeyPair pair = engine.generateKeyPair();
if (engine instanceof LMSKeyPairGenerator) {
LMSPublicKeyParameters pub = (LMSPublicKeyParameters) pair.getPublic();
LMSPrivateKeyParameters priv = (LMSPrivateKeyParameters) pair.getPrivate();
return new KeyPair(new BCLMSPublicKey(pub), new BCLMSPrivateKey(priv));
} else {
HSSPublicKeyParameters pub = (HSSPublicKeyParameters) pair.getPublic();
HSSPrivateKeyParameters priv = (HSSPrivateKeyParameters) pair.getPrivate();
return new KeyPair(new BCLMSPublicKey(pub), new BCLMSPrivateKey(priv));
}
}
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