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

Example 1 with PbkdMacIntegrityCheck

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

the class BcFKSKeyStoreSpi method engineLoad.

public void engineLoad(InputStream inputStream, char[] password) throws IOException, NoSuchAlgorithmException, CertificateException {
    // reset any current values
    entries.clear();
    privateKeyCache.clear();
    lastModifiedDate = creationDate = null;
    hmacAlgorithm = null;
    if (inputStream == null) {
        // initialise defaults
        lastModifiedDate = creationDate = new Date();
        verificationKey = null;
        validator = null;
        // basic initialisation
        hmacAlgorithm = new AlgorithmIdentifier(PKCSObjectIdentifiers.id_hmacWithSHA512, DERNull.INSTANCE);
        hmacPkbdAlgorithm = generatePkbdAlgorithmIdentifier(PKCSObjectIdentifiers.id_PBKDF2, 512 / 8);
        return;
    }
    ASN1InputStream aIn = new ASN1InputStream(inputStream);
    ObjectStore store;
    try {
        store = ObjectStore.getInstance(aIn.readObject());
    } catch (Exception e) {
        throw new IOException(e.getMessage());
    }
    ObjectStoreIntegrityCheck integrityCheck = store.getIntegrityCheck();
    AlgorithmIdentifier integrityAlg;
    if (integrityCheck.getType() == ObjectStoreIntegrityCheck.PBKD_MAC_CHECK) {
        PbkdMacIntegrityCheck pbkdMacIntegrityCheck = PbkdMacIntegrityCheck.getInstance(integrityCheck.getIntegrityCheck());
        hmacAlgorithm = pbkdMacIntegrityCheck.getMacAlgorithm();
        hmacPkbdAlgorithm = pbkdMacIntegrityCheck.getPbkdAlgorithm();
        integrityAlg = hmacAlgorithm;
        try {
            verifyMac(store.getStoreData().toASN1Primitive().getEncoded(), pbkdMacIntegrityCheck, password);
        } catch (NoSuchProviderException e) {
            throw new IOException(e.getMessage());
        }
    } else if (integrityCheck.getType() == ObjectStoreIntegrityCheck.SIG_CHECK) {
        SignatureCheck sigCheck = SignatureCheck.getInstance(integrityCheck.getIntegrityCheck());
        integrityAlg = sigCheck.getSignatureAlgorithm();
        try {
            com.github.zhenwei.core.asn1.x509.Certificate[] certificates = sigCheck.getCertificates();
            if (validator != null) {
                if (certificates == null) {
                    throw new IOException("validator specified but no certifcates in store");
                }
                CertificateFactory certFact = helper.createCertificateFactory("X.509");
                X509Certificate[] certs = new X509Certificate[certificates.length];
                for (int i = 0; i != certs.length; i++) {
                    certs[i] = (X509Certificate) certFact.generateCertificate(new ByteArrayInputStream(certificates[i].getEncoded()));
                }
                if (validator.isValid(certs)) {
                    verifySig(store.getStoreData(), sigCheck, certs[0].getPublicKey());
                } else {
                    throw new IOException("certificate chain in key store signature not valid");
                }
            } else {
                verifySig(store.getStoreData(), sigCheck, verificationKey);
            }
        } catch (GeneralSecurityException e) {
            throw new IOException("error verifying signature: " + e.getMessage(), e);
        }
    } else {
        throw new IOException("BCFKS KeyStore unable to recognize integrity check.");
    }
    ASN1Encodable sData = store.getStoreData();
    ObjectStoreData storeData;
    if (sData instanceof EncryptedObjectStoreData) {
        EncryptedObjectStoreData encryptedStoreData = (EncryptedObjectStoreData) sData;
        AlgorithmIdentifier protectAlgId = encryptedStoreData.getEncryptionAlgorithm();
        storeData = ObjectStoreData.getInstance(decryptData("STORE_ENCRYPTION", protectAlgId, password, encryptedStoreData.getEncryptedContent().getOctets()));
    } else {
        storeData = ObjectStoreData.getInstance(sData);
    }
    try {
        creationDate = storeData.getCreationDate().getDate();
        lastModifiedDate = storeData.getLastModifiedDate().getDate();
    } catch (ParseException e) {
        throw new IOException("BCFKS KeyStore unable to parse store data information.");
    }
    if (!storeData.getIntegrityAlgorithm().equals(integrityAlg)) {
        throw new IOException("BCFKS KeyStore storeData integrity algorithm does not match store integrity algorithm.");
    }
    for (Iterator it = storeData.getObjectDataSequence().iterator(); it.hasNext(); ) {
        ObjectData objData = ObjectData.getInstance(it.next());
        entries.put(objData.getIdentifier(), objData);
    }
}

Example 2 with PbkdMacIntegrityCheck

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

the class BcFKSKeyStoreSpi method engineStore.

public void engineStore(OutputStream outputStream, char[] password) throws IOException, NoSuchAlgorithmException, CertificateException {
    if (creationDate == null) {
        throw new IOException("KeyStore not initialized");
    }
    EncryptedObjectStoreData encStoreData = getEncryptedObjectStoreData(hmacAlgorithm, password);
    // update the salt
    if (MiscObjectIdentifiers.id_scrypt.equals(hmacPkbdAlgorithm.getAlgorithm())) {
        ScryptParams sParams = ScryptParams.getInstance(hmacPkbdAlgorithm.getParameters());
        hmacPkbdAlgorithm = generatePkbdAlgorithmIdentifier(hmacPkbdAlgorithm, sParams.getKeyLength().intValue());
    } else {
        PBKDF2Params pbkdf2Params = PBKDF2Params.getInstance(hmacPkbdAlgorithm.getParameters());
        hmacPkbdAlgorithm = generatePkbdAlgorithmIdentifier(hmacPkbdAlgorithm, pbkdf2Params.getKeyLength().intValue());
    }
    byte[] mac;
    try {
        mac = calculateMac(encStoreData.getEncoded(), hmacAlgorithm, hmacPkbdAlgorithm, password);
    } catch (NoSuchProviderException e) {
        throw new IOException("cannot calculate mac: " + e.getMessage());
    }
    ObjectStore store = new ObjectStore(encStoreData, new ObjectStoreIntegrityCheck(new PbkdMacIntegrityCheck(hmacAlgorithm, hmacPkbdAlgorithm, mac)));
    outputStream.write(store.getEncoded());
    outputStream.flush();
}