Examples with IllegalBlockSizeException javax.crypto.IllegalBlockSizeException used on opensource projects

Example 51 with IllegalBlockSizeException

use of javax.crypto.IllegalBlockSizeException in project android_frameworks_base by AOSPA.

the class LockSettingsService method tieProfileLockToParent.

private void tieProfileLockToParent(int userId, String password) {
    if (DEBUG)
        Slog.v(TAG, "tieProfileLockToParent for user: " + userId);
    byte[] randomLockSeed = password.getBytes(StandardCharsets.UTF_8);
    byte[] encryptionResult;
    byte[] iv;
    try {
        KeyGenerator keyGenerator = KeyGenerator.getInstance(KeyProperties.KEY_ALGORITHM_AES);
        keyGenerator.init(new SecureRandom());
        SecretKey secretKey = keyGenerator.generateKey();
        java.security.KeyStore keyStore = java.security.KeyStore.getInstance("AndroidKeyStore");
        keyStore.load(null);
        try {
            keyStore.setEntry(LockPatternUtils.PROFILE_KEY_NAME_ENCRYPT + userId, new java.security.KeyStore.SecretKeyEntry(secretKey), new KeyProtection.Builder(KeyProperties.PURPOSE_ENCRYPT).setBlockModes(KeyProperties.BLOCK_MODE_GCM).setEncryptionPaddings(KeyProperties.ENCRYPTION_PADDING_NONE).build());
            keyStore.setEntry(LockPatternUtils.PROFILE_KEY_NAME_DECRYPT + userId, new java.security.KeyStore.SecretKeyEntry(secretKey), new KeyProtection.Builder(KeyProperties.PURPOSE_DECRYPT).setBlockModes(KeyProperties.BLOCK_MODE_GCM).setEncryptionPaddings(KeyProperties.ENCRYPTION_PADDING_NONE).setUserAuthenticationRequired(true).setUserAuthenticationValidityDurationSeconds(30).build());
            // Key imported, obtain a reference to it.
            SecretKey keyStoreEncryptionKey = (SecretKey) keyStore.getKey(LockPatternUtils.PROFILE_KEY_NAME_ENCRYPT + userId, null);
            Cipher cipher = Cipher.getInstance(KeyProperties.KEY_ALGORITHM_AES + "/" + KeyProperties.BLOCK_MODE_GCM + "/" + KeyProperties.ENCRYPTION_PADDING_NONE);
            cipher.init(Cipher.ENCRYPT_MODE, keyStoreEncryptionKey);
            encryptionResult = cipher.doFinal(randomLockSeed);
            iv = cipher.getIV();
        } finally {
            // The original key can now be discarded.
            keyStore.deleteEntry(LockPatternUtils.PROFILE_KEY_NAME_ENCRYPT + userId);
        }
    } catch (CertificateException | UnrecoverableKeyException | IOException | BadPaddingException | IllegalBlockSizeException | KeyStoreException | NoSuchPaddingException | NoSuchAlgorithmException | InvalidKeyException e) {
        throw new RuntimeException("Failed to encrypt key", e);
    }
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    try {
        if (iv.length != PROFILE_KEY_IV_SIZE) {
            throw new RuntimeException("Invalid iv length: " + iv.length);
        }
        outputStream.write(iv);
        outputStream.write(encryptionResult);
    } catch (IOException e) {
        throw new RuntimeException("Failed to concatenate byte arrays", e);
    }
    mStorage.writeChildProfileLock(userId, outputStream.toByteArray());
}

Example 52 with IllegalBlockSizeException

use of javax.crypto.IllegalBlockSizeException in project android_frameworks_base by AOSPA.

the class LockSettingsService method setLockPasswordInternal.

private void setLockPasswordInternal(String password, String savedCredential, int userId) throws RemoteException {
    byte[] currentHandle = getCurrentHandle(userId);
    if (password == null) {
        clearUserKeyProtection(userId);
        getGateKeeperService().clearSecureUserId(userId);
        mStorage.writePasswordHash(null, userId);
        setKeystorePassword(null, userId);
        fixateNewestUserKeyAuth(userId);
        onUserLockChanged(userId);
        notifyActivePasswordMetricsAvailable(null, userId);
        return;
    }
    if (isManagedProfileWithUnifiedLock(userId)) {
        // get credential from keystore when managed profile has unified lock
        try {
            savedCredential = getDecryptedPasswordForTiedProfile(userId);
        } catch (FileNotFoundException e) {
            Slog.i(TAG, "Child profile key not found");
        } catch (UnrecoverableKeyException | InvalidKeyException | KeyStoreException | NoSuchAlgorithmException | NoSuchPaddingException | InvalidAlgorithmParameterException | IllegalBlockSizeException | BadPaddingException | CertificateException | IOException e) {
            Slog.e(TAG, "Failed to decrypt child profile key", e);
        }
    } else {
        if (currentHandle == null) {
            if (savedCredential != null) {
                Slog.w(TAG, "Saved credential provided, but none stored");
            }
            savedCredential = null;
        }
    }
    byte[] enrolledHandle = enrollCredential(currentHandle, savedCredential, password, userId);
    if (enrolledHandle != null) {
        CredentialHash willStore = new CredentialHash(enrolledHandle, CredentialHash.VERSION_GATEKEEPER);
        setUserKeyProtection(userId, password, doVerifyPassword(password, willStore, true, 0, userId, null));
        mStorage.writePasswordHash(enrolledHandle, userId);
        fixateNewestUserKeyAuth(userId);
        onUserLockChanged(userId);
    } else {
        throw new RemoteException("Failed to enroll password");
    }
}

Example 53 with IllegalBlockSizeException

use of javax.crypto.IllegalBlockSizeException in project android_frameworks_base by DirtyUnicorns.

the class AndroidKeyStoreCipherSpiBase method engineWrap.

@Override
protected final byte[] engineWrap(Key key) throws IllegalBlockSizeException, InvalidKeyException {
    if (mKey == null) {
        throw new IllegalStateException("Not initilized");
    }
    if (!isEncrypting()) {
        throw new IllegalStateException("Cipher must be initialized in Cipher.WRAP_MODE to wrap keys");
    }
    if (key == null) {
        throw new NullPointerException("key == null");
    }
    byte[] encoded = null;
    if (key instanceof SecretKey) {
        if ("RAW".equalsIgnoreCase(key.getFormat())) {
            encoded = key.getEncoded();
        }
        if (encoded == null) {
            try {
                SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(key.getAlgorithm());
                SecretKeySpec spec = (SecretKeySpec) keyFactory.getKeySpec((SecretKey) key, SecretKeySpec.class);
                encoded = spec.getEncoded();
            } catch (NoSuchAlgorithmException | InvalidKeySpecException e) {
                throw new InvalidKeyException("Failed to wrap key because it does not export its key material", e);
            }
        }
    } else if (key instanceof PrivateKey) {
        if ("PKCS8".equalsIgnoreCase(key.getFormat())) {
            encoded = key.getEncoded();
        }
        if (encoded == null) {
            try {
                KeyFactory keyFactory = KeyFactory.getInstance(key.getAlgorithm());
                PKCS8EncodedKeySpec spec = keyFactory.getKeySpec(key, PKCS8EncodedKeySpec.class);
                encoded = spec.getEncoded();
            } catch (NoSuchAlgorithmException | InvalidKeySpecException e) {
                throw new InvalidKeyException("Failed to wrap key because it does not export its key material", e);
            }
        }
    } else if (key instanceof PublicKey) {
        if ("X.509".equalsIgnoreCase(key.getFormat())) {
            encoded = key.getEncoded();
        }
        if (encoded == null) {
            try {
                KeyFactory keyFactory = KeyFactory.getInstance(key.getAlgorithm());
                X509EncodedKeySpec spec = keyFactory.getKeySpec(key, X509EncodedKeySpec.class);
                encoded = spec.getEncoded();
            } catch (NoSuchAlgorithmException | InvalidKeySpecException e) {
                throw new InvalidKeyException("Failed to wrap key because it does not export its key material", e);
            }
        }
    } else {
        throw new InvalidKeyException("Unsupported key type: " + key.getClass().getName());
    }
    if (encoded == null) {
        throw new InvalidKeyException("Failed to wrap key because it does not export its key material");
    }
    try {
        return engineDoFinal(encoded, 0, encoded.length);
    } catch (BadPaddingException e) {
        throw (IllegalBlockSizeException) new IllegalBlockSizeException().initCause(e);
    }
}

Example 54 with IllegalBlockSizeException

use of javax.crypto.IllegalBlockSizeException in project tech by ffyyhh995511.

the class RASUtil method decrypt.

/**
 * 私钥解密过程
 *
 * @param privateKey
 *            私钥
 * @param cipherData
 *            密文数据
 * @return 明文
 * @throws Exception
 *             解密过程中的异常信息
 */
public static byte[] decrypt(RSAPrivateKey privateKey, byte[] cipherData) throws Exception {
    if (privateKey == null) {
        throw new Exception("解密私钥为空, 请设置");
    }
    Cipher cipher = null;
    try {
        // 使用默认RSA
        cipher = Cipher.getInstance("RSA");
        // cipher= Cipher.getInstance("RSA", new BouncyCastleProvider());
        cipher.init(Cipher.DECRYPT_MODE, privateKey);
        byte[] output = cipher.doFinal(cipherData);
        return output;
    } catch (NoSuchAlgorithmException e) {
        throw new Exception("无此解密算法");
    } catch (NoSuchPaddingException e) {
        e.printStackTrace();
        return null;
    } catch (InvalidKeyException e) {
        throw new Exception("解密私钥非法,请检查");
    } catch (IllegalBlockSizeException e) {
        throw new Exception("密文长度非法");
    } catch (BadPaddingException e) {
        throw new Exception("密文数据已损坏");
    }
}

Example 55 with IllegalBlockSizeException

use of javax.crypto.IllegalBlockSizeException in project tech by ffyyhh995511.

the class RASUtil method encrypt.

/**
 * 公钥加密过程
 *
 * @param publicKey
 *            公钥
 * @param plainTextData
 *            明文数据
 * @return
 * @throws Exception
 *             加密过程中的异常信息
 */
public static byte[] encrypt(RSAPublicKey publicKey, byte[] plainTextData) throws Exception {
    if (publicKey == null) {
        throw new Exception("加密公钥为空, 请设置");
    }
    Cipher cipher = null;
    try {
        // 使用默认RSA
        cipher = Cipher.getInstance("RSA");
        // cipher= Cipher.getInstance("RSA", new BouncyCastleProvider());
        cipher.init(Cipher.ENCRYPT_MODE, publicKey);
        byte[] output = cipher.doFinal(plainTextData);
        return output;
    } catch (NoSuchAlgorithmException e) {
        throw new Exception("无此加密算法");
    } catch (NoSuchPaddingException e) {
        e.printStackTrace();
        return null;
    } catch (InvalidKeyException e) {
        throw new Exception("加密公钥非法,请检查");
    } catch (IllegalBlockSizeException e) {
        throw new Exception("明文长度非法");
    } catch (BadPaddingException e) {
        throw new Exception("明文数据已损坏");
    }
}