1# Security Changelog 2 3## cl.security.1 Deprecation of getSdkVersion and enum HUKS_AES_KEY_SIZE_512 4 5**Access Level** 6 7Public 8 9**Reason for Change** 10 11The **getSdkVersion** API and **enum HUKS_AES_KEY_SIZE_512** are reserved interfaces without any functionality. These interfaces are redundant and therefore deprecated. 12 13**Change Impact** 14 15The change is not compatible with earlier versions. Use the new API in your code. 16 17**API Level** 188 19 20**Deprecated Since** 21 22OpenHarmony SDK 4.1.5.5 23 24**Deprecated APIs** 25 26| API | Description | Substitute API | 27| ------------------------------------------------------------ | ------------------------------------------------------------ | ------------------------------------------------------------ | 28| function getSdkVersion(options: HuksOptions): string; | This interface is reserved, and its function is not implemented. | N/A| 29| enum HUKS_AES_KEY_SIZE_512 | This interface is reserved, and its function is not implemented. | N/A | 30 31**Adaptation Guide** 32 33Delete the API if the deprecated API is used. 34