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

Example 51 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 52 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();
    }
}

Example 53 with InvalidKeyException

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

the class BaseMac method engineInit.

protected void engineInit(Key key, AlgorithmParameterSpec params) throws InvalidKeyException, InvalidAlgorithmParameterException {
    CipherParameters param;
    if (key == null) {
        throw new InvalidKeyException("key is null");
    }
    if (key instanceof BCPBEKey) {
        BCPBEKey k = (BCPBEKey) key;
        if (k.getParam() != null) {
            param = k.getParam();
        } else if (params instanceof PBEParameterSpec) {
            param = PBE.Util.makePBEMacParameters(k, params);
        } else {
            throw new InvalidAlgorithmParameterException("PBE requires PBE parameters to be set.");
        }
    } else if (params instanceof IvParameterSpec) {
        param = new ParametersWithIV(new KeyParameter(key.getEncoded()), ((IvParameterSpec) params).getIV());
    } else if (params == null) {
        param = new KeyParameter(key.getEncoded());
    } else {
        throw new InvalidAlgorithmParameterException("unknown parameter type.");
    }
    macEngine.init(param);
}

Example 54 with InvalidKeyException

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

the class BaseStreamCipher method engineInit.

protected void engineInit(int opmode, Key key, AlgorithmParameters params, SecureRandom random) throws InvalidKeyException, InvalidAlgorithmParameterException {
    AlgorithmParameterSpec paramSpec = null;
    if (params != null) {
        for (int i = 0; i != availableSpecs.length; i++) {
            try {
                paramSpec = params.getParameterSpec(availableSpecs[i]);
                break;
            } catch (Exception e) {
                continue;
            }
        }
        if (paramSpec == null) {
            throw new InvalidAlgorithmParameterException("can't handle parameter " + params.toString());
        }
    }
    engineInit(opmode, key, paramSpec, random);
    engineParams = params;
}

Example 55 with InvalidKeyException

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

the class BaseWrapCipher method engineInit.

protected void engineInit(int opmode, Key key, AlgorithmParameters params, SecureRandom random) throws InvalidKeyException, InvalidAlgorithmParameterException {
    AlgorithmParameterSpec paramSpec = null;
    if (params != null) {
        for (int i = 0; i != availableSpecs.length; i++) {
            try {
                paramSpec = params.getParameterSpec(availableSpecs[i]);
                break;
            } catch (Exception e) {
            // try next spec
            }
        }
        if (paramSpec == null) {
            throw new InvalidAlgorithmParameterException("can't handle parameter " + params.toString());
        }
    }
    engineParams = params;
    engineInit(opmode, key, paramSpec, random);
}