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

Example 61 with IllegalBlockSizeException

use of javax.crypto.IllegalBlockSizeException in project remusic by aa112901.

the class Aes method encrypt.

private static String encrypt(String content, String password) throws Exception {
    try {
        //  String data = "Test String";
        //   String key = "1234567812345678";
        String iv = "0102030405060708";
        Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
        int blockSize = cipher.getBlockSize();
        byte[] dataBytes = content.getBytes();
        int plaintextLength = dataBytes.length;
        if (plaintextLength % blockSize != 0) {
            plaintextLength = plaintextLength + (blockSize - (plaintextLength % blockSize));
        }
        byte[] plaintext = new byte[plaintextLength];
        System.arraycopy(dataBytes, 0, plaintext, 0, dataBytes.length);
        SecretKeySpec keyspec = new SecretKeySpec(password.getBytes(), "AES");
        IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes());
        cipher.init(Cipher.ENCRYPT_MODE, keyspec, ivspec);
        byte[] encrypted = cipher.doFinal(plaintext);
        return Base64Encoder.encode(encrypted);
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (NoSuchPaddingException e) {
        e.printStackTrace();
    } catch (InvalidKeyException e) {
        e.printStackTrace();
    } catch (IllegalBlockSizeException e) {
        e.printStackTrace();
    } catch (BadPaddingException e) {
        e.printStackTrace();
    }
    return null;
}

Example 62 with IllegalBlockSizeException

use of javax.crypto.IllegalBlockSizeException in project remusic by aa112901.

the class Aes method encrypt.

private static byte[] encrypt(byte[] content, byte[] keyBytes) {
    byte[] encryptedText = null;
    if (!isInited) {
        init();
    }
    /**
         *类 SecretKeySpec
         *可以使用此类来根据一个字节数组构造一个 SecretKey，
         *而无须通过一个（基于 provider 的）SecretKeyFactory。
         *此类仅对能表示为一个字节数组并且没有任何与之相关联的钥参数的原始密钥有用
         *构造方法根据给定的字节数组构造一个密钥。
         *此构造方法不检查给定的字节数组是否指定了一个算法的密钥。
         */
    Key key = new SecretKeySpec(keyBytes, "AES");
    try {
        // 用密钥初始化此 cipher。
        cipher.init(Cipher.ENCRYPT_MODE, key);
    } catch (InvalidKeyException e) {
        e.printStackTrace();
    }
    try {
        //按单部分操作加密或解密数据，或者结束一个多部分操作。(不知道神马意思)
        encryptedText = cipher.doFinal(content);
    } catch (IllegalBlockSizeException e) {
        e.printStackTrace();
    } catch (BadPaddingException e) {
        e.printStackTrace();
    }
    return encryptedText;
}

Example 63 with IllegalBlockSizeException

use of javax.crypto.IllegalBlockSizeException in project platform_frameworks_base by android.

the class LockSettingsService method resetKeyStore.

@Override
public void resetKeyStore(int userId) throws RemoteException {
    checkWritePermission(userId);
    if (DEBUG)
        Slog.v(TAG, "Reset keystore for user: " + userId);
    int managedUserId = -1;
    String managedUserDecryptedPassword = null;
    final List<UserInfo> profiles = mUserManager.getProfiles(userId);
    for (UserInfo pi : profiles) {
        // Unlock managed profile with unified lock
        if (pi.isManagedProfile() && !mLockPatternUtils.isSeparateProfileChallengeEnabled(pi.id) && mStorage.hasChildProfileLock(pi.id)) {
            try {
                if (managedUserId == -1) {
                    managedUserDecryptedPassword = getDecryptedPasswordForTiedProfile(pi.id);
                    managedUserId = pi.id;
                } else {
                    // Should not happen
                    Slog.e(TAG, "More than one managed profile, uid1:" + managedUserId + ", uid2:" + pi.id);
                }
            } catch (UnrecoverableKeyException | InvalidKeyException | KeyStoreException | NoSuchAlgorithmException | NoSuchPaddingException | InvalidAlgorithmParameterException | IllegalBlockSizeException | BadPaddingException | CertificateException | IOException e) {
                Slog.e(TAG, "Failed to decrypt child profile key", e);
            }
        }
    }
    try {
        // Clear all the users credentials could have been installed in for this user.
        for (int profileId : mUserManager.getProfileIdsWithDisabled(userId)) {
            for (int uid : SYSTEM_CREDENTIAL_UIDS) {
                mKeyStore.clearUid(UserHandle.getUid(profileId, uid));
            }
        }
    } finally {
        if (managedUserId != -1 && managedUserDecryptedPassword != null) {
            if (DEBUG)
                Slog.v(TAG, "Restore tied profile lock");
            tieProfileLockToParent(managedUserId, managedUserDecryptedPassword);
        }
    }
}

Example 64 with IllegalBlockSizeException

use of javax.crypto.IllegalBlockSizeException in project platform_frameworks_base by android.

the class LockSettingsService method verifyTiedProfileChallenge.

@Override
public VerifyCredentialResponse verifyTiedProfileChallenge(String password, boolean isPattern, long challenge, int userId) throws RemoteException {
    checkPasswordReadPermission(userId);
    if (!isManagedProfileWithUnifiedLock(userId)) {
        throw new RemoteException("User id must be managed profile with unified lock");
    }
    final int parentProfileId = mUserManager.getProfileParent(userId).id;
    // Unlock parent by using parent's challenge
    final VerifyCredentialResponse parentResponse = isPattern ? doVerifyPattern(password, true, challenge, parentProfileId, null) : doVerifyPassword(password, true, challenge, parentProfileId, null);
    if (parentResponse.getResponseCode() != VerifyCredentialResponse.RESPONSE_OK) {
        // Failed, just return parent's response
        return parentResponse;
    }
    try {
        // Unlock work profile, and work profile with unified lock must use password only
        return doVerifyPassword(getDecryptedPasswordForTiedProfile(userId), true, challenge, userId, null);
    } catch (UnrecoverableKeyException | InvalidKeyException | KeyStoreException | NoSuchAlgorithmException | NoSuchPaddingException | InvalidAlgorithmParameterException | IllegalBlockSizeException | BadPaddingException | CertificateException | IOException e) {
        Slog.e(TAG, "Failed to decrypt child profile key", e);
        throw new RemoteException("Unable to get tied profile token");
    }
}

Example 65 with IllegalBlockSizeException

use of javax.crypto.IllegalBlockSizeException in project keywhiz by square.

the class GCMEncryptor method gcm.

private byte[] gcm(boolean encrypt, byte[] input, byte[] nonce) throws AEADBadTagException {
    try {
        Cipher cipher = Cipher.getInstance(ENCRYPTION_ALGORITHM);
        SecretKey secretKey = new SecretKeySpec(key, KEY_ALGORITHM);
        GCMParameterSpec gcmParameters = new GCMParameterSpec(TAG_BITS, nonce);
        cipher.init(encrypt ? ENCRYPT_MODE : DECRYPT_MODE, secretKey, gcmParameters);
        return cipher.doFinal(input);
    } catch (NoSuchAlgorithmException | NoSuchPaddingException | BadPaddingException | IllegalBlockSizeException | InvalidAlgorithmParameterException | InvalidKeyException e) {
        Throwables.propagateIfInstanceOf(e, AEADBadTagException.class);
        throw Throwables.propagate(e);
    }
}