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+# Application Data Security
+
+### Overview
+This sample implements file paths and HUKS encryption/decryption algorithm.
+
+### Project Directory
+```
+├──entry/src/main/ets/
+│  ├──entryability
+│  │  └──EntryAbility.ets          // Entry ability
+│  ├──entrybackupability
+│  │  └──EntryBackupAbility.ets    // Entry ability that provides backup and restore capabilities for the application
+│  └──pages
+│     └──Index.ets                 // Home page
+└──entry/src/main/resources        // Static resources
+```
+
+### Required Permissions
+
+N/A
+
+### Dependencies
+
+N/A
+
+### Constraints
+
+1. This sample is supported only on Huawei phones running the standard system.
+
+2. The HarmonyOS version must be HarmonyOS NEXT Release or later.
+
+3. The DevEco Studio version must be DevEco Studio NEXT Release or later.
+
+4. The HarmonyOS SDK version must be HarmonyOS NEXT Release SDK or later.