1# Security Changelog
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3## cl.security.1 Deprecation of getSdkVersion and enum HUKS_AES_KEY_SIZE_512
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5**Access Level**
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7Public
8
9**Reason for Change**
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11The **getSdkVersion** API and **enum HUKS_AES_KEY_SIZE_512** are reserved interfaces without any functionality.  These interfaces are redundant and therefore deprecated.
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13**Change Impact**
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15The change is not compatible with earlier versions. Use the new API in your code.
16
17**API Level**
188
19
20**Deprecated Since**
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22OpenHarmony SDK 4.1.5.5
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24**Deprecated APIs**
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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**
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33Delete the API if the deprecated API is used.
34