String a = "This is a string!";

String a = StringFog.decrypt(new byte[]{-113, 71...}, new byte[]{-23, 53});

decrypt: new byte[]{-113, 71...} => "This is a string!"

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        ...
        classpath 'com.github.megatronking.stringfog:gradle-plugin:3.0.0'
        // 选用加解密算法库，默认实现了xor算法，也可以使用自己的加解密库。
        classpath 'com.github.megatronking.stringfog:xor:3.0.0'
    }
}

apply plugin: 'stringfog'

stringfog {
    // 必要：加解密库的实现类路径，需和上面配置的加解密算法库一致。
    implementation 'com.github.megatronking.stringfog.xor.StringFogImpl'
    // 可选：加密开关，默认开启。
    enable true
    // 可选：指定需加密的代码包路径，可配置多个，未指定将默认全部加密。
    fogPackages = ['com.xxx.xxx']
    // 可选：指定密钥生成器，默认使用长度2的随机密钥（每个字符串均有随机密钥）,
    //      也可以指定一个固定的密钥：HardCodeKeyGenerator("This is a key")
    kg new RandomKeyGenerator()
    // 可选：调试信息打印开关，默认关闭。
    debug true
}

dependencies {
      ...
      // 这里要和上面选用的加解密算法库一致，用于运行时解密。
      compile 'com.github.megatronking.stringfog:xor:3.0.0'
}

@StringFogIgnore
public class Test {
    ...
}

public final class StringFogImpl implements IStringFog {

    @Override
    public byte[] encrypt(String data, byte[] key) {
        // 自定义加密
    }

    @Override
    public String decrypt(byte[] data, byte[] key) {
        // 自定义解密
    }

    @Override
    public boolean shouldFog(String data) {
        // 控制指定字符串是否加密
        // 建议过滤掉不重要或者过长的字符串
        return true;
    }

}

Copyright (C) 2022, Megatron King

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.