Examples with DEROctetString com.github.zhenwei.core.asn1.DEROctetString used on opensource projects

Example 51 with DEROctetString

use of com.github.zhenwei.core.asn1.DEROctetString in project LinLong-Java by zhenwei1108.

the class PopLinkWitnessV2 method toASN1Primitive.

public ASN1Primitive toASN1Primitive() {
    ASN1EncodableVector v = new ASN1EncodableVector(3);
    v.add(keyGenAlgorithm);
    v.add(macAlgorithm);
    v.add(new DEROctetString(getWitness()));
    return new DERSequence(v);
}

Example 52 with DEROctetString

use of com.github.zhenwei.core.asn1.DEROctetString in project LinLong-Java by zhenwei1108.

the class CertHash method toASN1Primitive.

/**
 * Produce an object suitable for an ASN1OutputStream.
 * <p>
 * Returns:
 * <pre>
 *     CertHash ::= SEQUENCE {
 *       hashAlgorithm AlgorithmIdentifier,
 *       certificateHash OCTET STRING
 *     }
 * </pre>
 *
 * @return a DERObject
 */
public ASN1Primitive toASN1Primitive() {
    ASN1EncodableVector vec = new ASN1EncodableVector(2);
    vec.add(hashAlgorithm);
    vec.add(new DEROctetString(certificateHash));
    return new DERSequence(vec);
}

Example 53 with DEROctetString

use of com.github.zhenwei.core.asn1.DEROctetString in project LinLong-Java by zhenwei1108.

the class BaseBlockCipher method engineGetParameters.

protected AlgorithmParameters engineGetParameters() {
    if (engineParams == null) {
        if (pbeSpec != null) {
            try {
                engineParams = createParametersInstance(pbeAlgorithm);
                engineParams.init(pbeSpec);
            } catch (Exception e) {
                return null;
            }
        } else if (aeadParams != null) {
            // CHACHA20-Poly1305
            if (baseEngine == null) {
                try {
                    engineParams = createParametersInstance(PKCSObjectIdentifiers.id_alg_AEADChaCha20Poly1305.getId());
                    engineParams.init(new DEROctetString(aeadParams.getNonce()).getEncoded());
                } catch (Exception e) {
                    throw new RuntimeException(e.toString());
                }
            } else {
                try {
                    engineParams = createParametersInstance("GCM");
                    engineParams.init(new GCMParameters(aeadParams.getNonce(), aeadParams.getMacSize() / 8).getEncoded());
                } catch (Exception e) {
                    throw new RuntimeException(e.toString());
                }
            }
        } else if (ivParam != null) {
            String name = cipher.getUnderlyingCipher().getAlgorithmName();
            if (name.indexOf('/') >= 0) {
                name = name.substring(0, name.indexOf('/'));
            }
            try {
                engineParams = createParametersInstance(name);
                engineParams.init(new IvParameterSpec(ivParam.getIV()));
            } catch (Exception e) {
                throw new RuntimeException(e.toString());
            }
        }
    }
    return engineParams;
}

Example 54 with DEROctetString

use of com.github.zhenwei.core.asn1.DEROctetString in project LinLong-Java by zhenwei1108.

the class SubjectPublicKeyInfoFactory method createSubjectPublicKeyInfo.

/**
 * Create a SubjectPublicKeyInfo public key.
 *
 * @param publicKey the key to be encoded into the info object.
 * @return a SubjectPublicKeyInfo representing the key.
 * @throws IOException on an error encoding the key
 */
public static SubjectPublicKeyInfo createSubjectPublicKeyInfo(AsymmetricKeyParameter publicKey) throws IOException {
    if (publicKey instanceof QTESLAPublicKeyParameters) {
        QTESLAPublicKeyParameters keyParams = (QTESLAPublicKeyParameters) publicKey;
        AlgorithmIdentifier algorithmIdentifier = Utils.qTeslaLookupAlgID(keyParams.getSecurityCategory());
        return new SubjectPublicKeyInfo(algorithmIdentifier, keyParams.getPublicData());
    } else if (publicKey instanceof SPHINCSPublicKeyParameters) {
        SPHINCSPublicKeyParameters params = (SPHINCSPublicKeyParameters) publicKey;
        AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(PQCObjectIdentifiers.sphincs256, new SPHINCS256KeyParams(Utils.sphincs256LookupTreeAlgID(params.getTreeDigest())));
        return new SubjectPublicKeyInfo(algorithmIdentifier, params.getKeyData());
    } else if (publicKey instanceof NHPublicKeyParameters) {
        NHPublicKeyParameters params = (NHPublicKeyParameters) publicKey;
        AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(PQCObjectIdentifiers.newHope);
        return new SubjectPublicKeyInfo(algorithmIdentifier, params.getPubData());
    } else if (publicKey instanceof LMSPublicKeyParameters) {
        LMSPublicKeyParameters params = (LMSPublicKeyParameters) publicKey;
        byte[] encoding = Composer.compose().u32str(1).bytes(params).build();
        AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(PKCSObjectIdentifiers.id_alg_hss_lms_hashsig);
        return new SubjectPublicKeyInfo(algorithmIdentifier, new DEROctetString(encoding));
    } else if (publicKey instanceof HSSPublicKeyParameters) {
        HSSPublicKeyParameters params = (HSSPublicKeyParameters) publicKey;
        byte[] encoding = Composer.compose().u32str(params.getL()).bytes(params.getLMSPublicKey()).build();
        AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(PKCSObjectIdentifiers.id_alg_hss_lms_hashsig);
        return new SubjectPublicKeyInfo(algorithmIdentifier, new DEROctetString(encoding));
    } else if (publicKey instanceof XMSSPublicKeyParameters) {
        XMSSPublicKeyParameters keyParams = (XMSSPublicKeyParameters) publicKey;
        byte[] publicSeed = keyParams.getPublicSeed();
        byte[] root = keyParams.getRoot();
        byte[] keyEnc = keyParams.getEncoded();
        if (keyEnc.length > publicSeed.length + root.length) {
            AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(IsaraObjectIdentifiers.id_alg_xmss);
            return new SubjectPublicKeyInfo(algorithmIdentifier, new DEROctetString(keyEnc));
        } else {
            AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(PQCObjectIdentifiers.xmss, new XMSSKeyParams(keyParams.getParameters().getHeight(), Utils.xmssLookupTreeAlgID(keyParams.getTreeDigest())));
            return new SubjectPublicKeyInfo(algorithmIdentifier, new XMSSPublicKey(publicSeed, root));
        }
    } else if (publicKey instanceof XMSSMTPublicKeyParameters) {
        XMSSMTPublicKeyParameters keyParams = (XMSSMTPublicKeyParameters) publicKey;
        byte[] publicSeed = keyParams.getPublicSeed();
        byte[] root = keyParams.getRoot();
        byte[] keyEnc = keyParams.getEncoded();
        if (keyEnc.length > publicSeed.length + root.length) {
            AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(IsaraObjectIdentifiers.id_alg_xmssmt);
            return new SubjectPublicKeyInfo(algorithmIdentifier, new DEROctetString(keyEnc));
        } else {
            AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(PQCObjectIdentifiers.xmss_mt, new XMSSMTKeyParams(keyParams.getParameters().getHeight(), keyParams.getParameters().getLayers(), Utils.xmssLookupTreeAlgID(keyParams.getTreeDigest())));
            return new SubjectPublicKeyInfo(algorithmIdentifier, new XMSSMTPublicKey(keyParams.getPublicSeed(), keyParams.getRoot()));
        }
    } else if (publicKey instanceof McElieceCCA2PublicKeyParameters) {
        McElieceCCA2PublicKeyParameters pub = (McElieceCCA2PublicKeyParameters) publicKey;
        McElieceCCA2PublicKey mcEliecePub = new McElieceCCA2PublicKey(pub.getN(), pub.getT(), pub.getG(), Utils.getAlgorithmIdentifier(pub.getDigest()));
        AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(PQCObjectIdentifiers.mcElieceCca2);
        return new SubjectPublicKeyInfo(algorithmIdentifier, mcEliecePub);
    } else {
        throw new IOException("key parameters not recognized");
    }
}

Example 55 with DEROctetString

use of com.github.zhenwei.core.asn1.DEROctetString 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");
    }
}