/*
 * Copyright (C) 2024 The Android Open Source Project
 *
 * 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 com.android.apksig;

import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.SignatureException;

/** A basic abstraction for cryptographic signing. */
public interface SignerEngine {
    /**
     * Cryptographically sign the input.
     *
     * @param data a blob of bytes to sign.
     * @return the signed bytes.
     */
    byte[] sign(byte[] data)
            throws InvalidKeyException, NoSuchAlgorithmException,
                    InvalidAlgorithmParameterException, SignatureException;
}
