Examples with InvalidKeyException java.security.InvalidKeyException used on opensource projects

Example 21 with InvalidKeyException

use of java.security.InvalidKeyException in project qksms by moezbhatti.

the class Security method verify.

/**
     * Verifies that the signature from the server matches the computed
     * signature on the data.  Returns true if the data is correctly signed.
     *
     * @param publicKey public key associated with the developer account
     * @param signedData signed data from server
     * @param signature server signature
     * @return true if the data and signature match
     */
public static boolean verify(PublicKey publicKey, String signedData, String signature) {
    Signature sig;
    try {
        sig = Signature.getInstance(SIGNATURE_ALGORITHM);
        sig.initVerify(publicKey);
        sig.update(signedData.getBytes());
        if (!sig.verify(Base64.decode(signature))) {
            Log.e(TAG, "Signature verification failed.");
            return false;
        }
        return true;
    } catch (NoSuchAlgorithmException e) {
        Log.e(TAG, "NoSuchAlgorithmException.");
    } catch (InvalidKeyException e) {
        Log.e(TAG, "Invalid key specification.");
    } catch (SignatureException e) {
        Log.e(TAG, "Signature exception.");
    } catch (Base64DecoderException e) {
        Log.e(TAG, "Base64 decoding failed.");
    }
    return false;
}

Example 22 with InvalidKeyException

use of java.security.InvalidKeyException in project ninja by ninjaframework.

the class CookieEncryption method encrypt.

/**
     * Encrypts data with secret key.
     *
     * @param data text to encrypt
     * @return encrypted text in base64 format
     */
public String encrypt(String data) {
    Objects.requireNonNull(data, "Data to be encrypted");
    if (!secretKeySpec.isPresent()) {
        return data;
    }
    try {
        // encrypt data
        Cipher cipher = Cipher.getInstance(ALGORITHM);
        cipher.init(Cipher.ENCRYPT_MODE, secretKeySpec.get());
        byte[] encrypted = cipher.doFinal(data.getBytes(StandardCharsets.UTF_8));
        // convert encrypted bytes to string in base64
        return Base64.encodeBase64URLSafeString(encrypted);
    } catch (InvalidKeyException ex) {
        logger.error(getHelperLogMessage(), ex);
        throw new RuntimeException(ex);
    } catch (GeneralSecurityException ex) {
        logger.error("Failed to encrypt data.", ex);
        return "";
    }
}

Example 23 with InvalidKeyException

use of java.security.InvalidKeyException in project ninja by ninjaframework.

the class CookieEncryption method decrypt.

/**
     * Decrypts data with secret key.
     *
     * @param data text to decrypt in base64 format
     * @return decrypted text
     */
public String decrypt(String data) {
    Objects.requireNonNull(data, "Data to be decrypted");
    if (!secretKeySpec.isPresent()) {
        return data;
    }
    // convert base64 encoded string to bytes
    byte[] decoded = Base64.decodeBase64(data);
    try {
        // decrypt bytes
        Cipher cipher = Cipher.getInstance(ALGORITHM);
        cipher.init(Cipher.DECRYPT_MODE, secretKeySpec.get());
        byte[] decrypted = cipher.doFinal(decoded);
        // convert bytes to string
        return new String(decrypted, StandardCharsets.UTF_8);
    } catch (InvalidKeyException ex) {
        logger.error(getHelperLogMessage(), ex);
        throw new RuntimeException(ex);
    } catch (GeneralSecurityException ex) {
        logger.error("Failed to decrypt data.", ex);
        return "";
    }
}

Example 24 with InvalidKeyException

use of java.security.InvalidKeyException in project JamsMusicPlayer by psaravan.

the class Security method verify.

/**
     * Verifies that the signature from the server matches the computed
     * signature on the data.  Returns true if the data is correctly signed.
     *
     * @param publicKey public key associated with the developer account
     * @param signedData signed data from server
     * @param signature server signature
     * @return true if the data and signature match
     */
public static boolean verify(PublicKey publicKey, String signedData, String signature) {
    Signature sig;
    try {
        sig = Signature.getInstance(SIGNATURE_ALGORITHM);
        sig.initVerify(publicKey);
        sig.update(signedData.getBytes());
        if (!sig.verify(Base64.decode(signature))) {
            Log.e(TAG, "Signature verification failed.");
            return false;
        }
        return true;
    } catch (NoSuchAlgorithmException e) {
        Log.e(TAG, "NoSuchAlgorithmException.");
    } catch (InvalidKeyException e) {
        Log.e(TAG, "Invalid key specification.");
    } catch (SignatureException e) {
        Log.e(TAG, "Signature exception.");
    } catch (Base64DecoderException e) {
        Log.e(TAG, "Base64 decoding failed.");
    }
    return false;
}

Example 25 with InvalidKeyException

use of java.security.InvalidKeyException in project ratpack by ratpack.

the class DefaultCrypto method decrypt.

@Override
public ByteBuf decrypt(ByteBuf message, ByteBufAllocator allocator) throws NoSuchPaddingException, NoSuchAlgorithmException, InvalidAlgorithmParameterException, InvalidKeyException, BadPaddingException, ShortBufferException, IllegalBlockSizeException {
    Cipher cipher = Cipher.getInstance(algorithm);
    if (isInitializationVectorRequired) {
        int ivByteLength = message.readByte();
        byte[] iv = new byte[ivByteLength];
        message.readBytes(iv);
        cipher.init(Cipher.DECRYPT_MODE, secretKeySpec, new IvParameterSpec(iv));
    } else {
        cipher.init(Cipher.DECRYPT_MODE, secretKeySpec);
    }
    int messageLength = message.readableBytes();
    ByteBuf decMessage = allocator.buffer(cipher.getOutputSize(messageLength));
    ByteBuf byteBuf = message.readBytes(messageLength);
    try {
        int count = cipher.doFinal(byteBuf.nioBuffer(), decMessage.nioBuffer(0, messageLength));
        if (!hasPadding) {
            for (int i = count - 1; i >= 0; i--) {
                if (decMessage.getByte(i) == 0x00) {
                    count--;
                } else {
                    break;
                }
            }
        }
        decMessage.writerIndex(count);
        return decMessage;
    } catch (Exception e) {
        decMessage.release();
        throw e;
    } finally {
        byteBuf.release();
    }
}