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

Example 36 with InvalidKeyException

use of java.security.InvalidKeyException in project cardslib by gabrielemariotti.

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 37 with InvalidKeyException

use of java.security.InvalidKeyException in project cardslib by gabrielemariotti.

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 38 with InvalidKeyException

use of java.security.InvalidKeyException in project ExoPlayer by google.

the class CachedContentIndex method writeFile.

private void writeFile() throws CacheException {
    DataOutputStream output = null;
    try {
        OutputStream outputStream = atomicFile.startWrite();
        if (bufferedOutputStream == null) {
            bufferedOutputStream = new ReusableBufferedOutputStream(outputStream);
        } else {
            bufferedOutputStream.reset(outputStream);
        }
        output = new DataOutputStream(bufferedOutputStream);
        output.writeInt(VERSION);
        int flags = cipher != null ? FLAG_ENCRYPTED_INDEX : 0;
        output.writeInt(flags);
        if (cipher != null) {
            byte[] initializationVector = new byte[16];
            new Random().nextBytes(initializationVector);
            output.write(initializationVector);
            IvParameterSpec ivParameterSpec = new IvParameterSpec(initializationVector);
            try {
                cipher.init(Cipher.ENCRYPT_MODE, secretKeySpec, ivParameterSpec);
            } catch (InvalidKeyException | InvalidAlgorithmParameterException e) {
                // Should never happen.
                throw new IllegalStateException(e);
            }
            output.flush();
            output = new DataOutputStream(new CipherOutputStream(bufferedOutputStream, cipher));
        }
        output.writeInt(keyToContent.size());
        int hashCode = 0;
        for (CachedContent cachedContent : keyToContent.values()) {
            cachedContent.writeToStream(output);
            hashCode += cachedContent.headerHashCode();
        }
        output.writeInt(hashCode);
        atomicFile.endWrite(output);
        // Avoid calling close twice. Duplicate CipherOutputStream.close calls did
        // not used to be no-ops: https://android-review.googlesource.com/#/c/272799/
        output = null;
    } catch (IOException e) {
        throw new CacheException(e);
    } finally {
        Util.closeQuietly(output);
    }
}

Example 39 with InvalidKeyException

use of java.security.InvalidKeyException in project ExoPlayer by google.

the class Aes128DataSource method open.

@Override
public long open(DataSpec dataSpec) throws IOException {
    Cipher cipher;
    try {
        cipher = Cipher.getInstance("AES/CBC/PKCS7Padding");
    } catch (NoSuchAlgorithmException | NoSuchPaddingException e) {
        throw new RuntimeException(e);
    }
    Key cipherKey = new SecretKeySpec(encryptionKey, "AES");
    AlgorithmParameterSpec cipherIV = new IvParameterSpec(encryptionIv);
    try {
        cipher.init(Cipher.DECRYPT_MODE, cipherKey, cipherIV);
    } catch (InvalidKeyException | InvalidAlgorithmParameterException e) {
        throw new RuntimeException(e);
    }
    cipherInputStream = new CipherInputStream(new DataSourceInputStream(upstream, dataSpec), cipher);
    return C.LENGTH_UNSET;
}

Example 40 with InvalidKeyException

use of java.security.InvalidKeyException in project XobotOS by xamarin.

the class DSAKeyFactoryImpl method engineTranslateKey.

/**
     * The method generates a DSAPublicKey object from the provided key.
     *
     * @param
     *    key - a DSAPublicKey object or DSAPrivateKey object.
     *
     * @return
     *    object of the same type as the "key" argument
     *
     * @throws InvalidKeyException
     *     if "key" is neither DSAPublicKey nor DSAPrivateKey
     */
protected Key engineTranslateKey(Key key) throws InvalidKeyException {
    if (key != null) {
        if (key instanceof DSAPrivateKey) {
            DSAPrivateKey privateKey = (DSAPrivateKey) key;
            DSAParams params = privateKey.getParams();
            try {
                return engineGeneratePrivate(new DSAPrivateKeySpec(privateKey.getX(), params.getP(), params.getQ(), params.getG()));
            } catch (InvalidKeySpecException e) {
                // Actually this exception shouldn't be thrown
                throw new InvalidKeyException("ATTENTION: InvalidKeySpecException: " + e);
            }
        }
        if (key instanceof DSAPublicKey) {
            DSAPublicKey publicKey = (DSAPublicKey) key;
            DSAParams params = publicKey.getParams();
            try {
                return engineGeneratePublic(new DSAPublicKeySpec(publicKey.getY(), params.getP(), params.getQ(), params.getG()));
            } catch (InvalidKeySpecException e) {
                // Actually this exception shouldn't be thrown
                throw new InvalidKeyException("ATTENTION: InvalidKeySpecException: " + e);
            }
        }
    }
    throw new InvalidKeyException("'key' is neither DSAPublicKey nor DSAPrivateKey");
}