google.registry.keyring.kms.FakeKmsConnection.java Source code

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Here is the source code for google.registry.keyring.kms.FakeKmsConnection.java

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// Copyright 2017 The Nomulus Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package google.registry.keyring.kms;

import com.google.common.io.BaseEncoding;
import java.io.IOException;
import org.bouncycastle.util.Arrays;

class FakeKmsConnection implements KmsConnection {

    FakeKmsConnection() {
    }

    /**
     * Returns a dummy {@link EncryptResponse}.
     *
     * <p>The "encrypted value" in the response is the provided value reversed and then base64-encoded
     * and the name of the cryptoKeyVersion is {@code cryptoKeyName + "/foo"}.
     */
    @Override
    public EncryptResponse encrypt(String cryptoKeyName, byte[] plaintext) throws IOException {
        return EncryptResponse.create(BaseEncoding.base64().encode(Arrays.reverse(plaintext)),
                cryptoKeyName + "/foo");
    }

    /**
     * Returns a "decrypted" plaintext.
     *
     * <p>The plaintext is the encodedCiphertext base64-decoded and then reversed.
     */
    @Override
    public byte[] decrypt(String cryptoKeyName, String encodedCiphertext) throws IOException {
        return Arrays.reverse(BaseEncoding.base64().decode(encodedCiphertext));
    }
}