Examples of org.keyczar.Crypter.decrypt()

org.keyczar.Crypter.decrypt()
Decrypt the given byte array of ciphertext @param input The input ciphertext @return The decrypted plaintext @throws KeyczarException If the input is malformed, the ciphertextsignature does not verify, the decryption key is not found, or a JCE error occurs.

    @Override
    public byte[] getBytes() {
        Crypter crypter = parent.getCrypter();
        byte[] plaintext;
        try {
            plaintext = crypter.decrypt(data.getCiphertext().toByteArray());
        } catch (KeyczarException e) {
            throw new IllegalStateException("Error decrypting secret", e);
        }
        return plaintext;
    }

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    public BackendSecretData getSecretData(BackendData backendData) {
        try {
            Crypter crypter = sharedKeystore.buildCrypter(KEY);


            byte[] plaintext = crypter.decrypt(backendData.getSecretData().getCiphertext().toByteArray());
            BackendSecretData secretData = BackendSecretData.parseFrom(plaintext);


            return secretData;
        } catch (Exception e) {
            throw new IllegalArgumentException("Error decrypting backend secret", e);

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    public HostGroupSecretData getSecretData(HostGroupData backendData) {
        try {
            Crypter crypter = sharedKeystore.buildCrypter(KEY);


            byte[] plaintext = crypter.decrypt(backendData.getSecretData().getCiphertext().toByteArray());
            HostGroupSecretData secretData = HostGroupSecretData.parseFrom(plaintext);


            return secretData;
        } catch (Exception e) {
            throw new IllegalArgumentException("Error decrypting backend secret", e);

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            if (version == 1) {
                Crypter crypter = new Crypter(recoveryKey);


                byte[] plaintext;
                try {
                    plaintext = crypter.decrypt(entry.getCiphertext().toByteArray());
                } catch (KeyczarException e) {
                    throw new IllegalStateException("Error decrypting token", e);
                }


                aesKey = KeyczarUtils.unpack(plaintext);

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        return KeyczarUtils.buildCrypter(cryptoKey);
    }


    byte[] decrypt(byte[] ciphertext) throws KeyczarException {
        Crypter crypter = getCrypter();
        return crypter.decrypt(ciphertext);
    }


    @Deprecated
    CryptoKey getDeprecatedKey() {
        if (deprecatedKey != null) {

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      Map<String, String> output, String algorithm, Map<String, String> generateParams,
      Map<String, String> testParams) throws KeyczarException {
    Crypter crypter = new Crypter(
        getReader(algorithm, generateParams.get("cryptedKeySet"), ""));
    if (generateParams.get("encoding").equals("encoded")) {
      String plaintext = crypter.decrypt(new String(readOutput(output)));
      assert(plaintext.equals(testData));
    } else if (generateParams.get("encoding").equals("unencoded")) {
      byte[] plaintext = crypter.decrypt(readOutput(output));
      assert((new String(plaintext)).equals(testData));
    } else {

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        getReader(algorithm, generateParams.get("cryptedKeySet"), ""));
    if (generateParams.get("encoding").equals("encoded")) {
      String plaintext = crypter.decrypt(new String(readOutput(output)));
      assert(plaintext.equals(testData));
    } else if (generateParams.get("encoding").equals("unencoded")) {
      byte[] plaintext = crypter.decrypt(readOutput(output));
      assert((new String(plaintext)).equals(testData));
    } else {
      throw new KeyczarException("Expects encoded or unencoded in parameters");
    }
  }

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