BuildAssetBundleOptions.EnableProtection

Description

Enable Protection to AssetBundle with Encryption.

This allows you to encrypt the AssetBundles with a customize key. With this option enabled, BuildPipeline.BuildAssetBundles will build assetbundles which must be loaded by the customize key.

using UnityEngine;
using UnityEditor;

public class Example
{
    //Creates a new menu (Build Asset Bundles) and item (Normal) in the Editor
    [MenuItem("Build Asset Bundles/Normal")]
    static void BuildABsNone()
    {
        //Build AssetBundles with no special options
        //They will be written in the custom folder ("MyAssetBuilds") which needs to exist prior to this call.
        BuildPipeline.BuildAssetBundles("Assets/MyAssetBuilds", BuildAssetBundleOptions.None, BuildTarget.StandaloneOSX);
    }

    //Creates a new item (Enable Protection) in the new Build Asset Bundles menu
    [MenuItem("Build Asset Bundles/Enable Protection")]
    static void BuildABsWithProtection()
    {
        //Build the AssetBundles in Enable Protection mode
        BuildPipeline.BuildAssetBundles("Assets/MyAssetBuilds", BuildAssetBundleOptions.EnableProtection | BuildAssetBundleOptions.ChunkBasedCompression , BuildTarget.StandaloneOSX);
    }
}