> The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version.
Openharmony Universal KeyStore (HUKS) provides KeyStore (KS) capabilities for applications, including key management and key cryptography operations.
| options | [HuksOptions](#huksoptions) | Yes | Tags required for generating the key. |
| callback | AsyncCallback\<[HuksResult](#huksresult)> | Yes | Callback used to return the result. If the operation is successful, **HUKS_SUCCESS** will be returned. If the operation fails, an error code defined in **HuksResult** will be returned.|
| callback | AsyncCallback\<[HuksResult](#huksresult)> | Yes | Callback used to return the result. If the operation is successful, **HUKS_SUCCESS** will be returned. If the operation fails, an error code defined in **HuksResult** will be returned.|
**Example**
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@@ -411,13 +410,13 @@ Generates a key. This API uses a promise to return the result.
| Promise\<[HuksResult](#huksresult)> | Promise used to return the result. If the operation is successful, **HUKS_SUCCESS** will be returned. If the operation fails, an error code will be returned.|
| Promise\<[HuksResult](#huksresult)> | Promise used to return the result. If the operation is successful, **HUKS_SUCCESS** will be returned. If the operation fails, an error code will be returned.|
**Example**
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@@ -463,7 +462,7 @@ Deletes a key. This API uses an asynchronous callback to return the result.
| callback | AsyncCallback\<[HuksResult](#huksresult)> | Yes | Callback used to return the result. If the operation is successful, **HUKS_SUCCESS** will be returned. If the operation fails, an error code will be returned.|
| callback | AsyncCallback\<[HuksResult](#huksresult)> | Yes | Callback used to return the result. If the operation is successful, **HUKS_SUCCESS** will be returned. If the operation fails, an error code will be returned.|
**Example**
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@@ -488,14 +487,14 @@ Deletes a key. This API uses a promise to return the result.
| Promise\<[HuksResult](#huksresult)> | Promise used to return the result. If the operation is successful, **HUKS_SUCCESS** will be returned. If the operation fails, an error code will be returned.|
| Promise\<[HuksResult](#huksresult)> | Promise used to return the result. If the operation is successful, **HUKS_SUCCESS** will be returned. If the operation fails, an error code will be returned.|
**Example**
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@@ -520,13 +519,13 @@ Obtains the SDK version of the current system.
| keyAlias | string | Yes | Key alias, which is used to hold the key pair.|
| options | [HuksOptions](#huksoptions) | Yes | Tags required for the import and key pair to import.|
| callback | AsyncCallback\<[HuksResult](#huksresult)> | Yes | Callback used to return the result. If the operation is successful, **HUKS_SUCCESS** will be returned. If the operation fails, an error code will be returned.|
| keyAlias | string | Yes | Key alias, which is used to hold the key pair.|
| options | [HuksOptions](#huksoptions) | Yes | Tags required for the import and key pair to import.|
| callback | AsyncCallback\<[HuksResult](#huksresult)> | Yes | Callback used to return the result. If the operation is successful, **HUKS_SUCCESS** will be returned. If the operation fails, an error code will be returned.|
**Example**
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@@ -608,14 +607,14 @@ Imports a key. This API uses a promise to return the result.
| Promise\<[HuksResult](#huksresult)> | Promise used to return the result. If the operation is successful, **HUKS_SUCCESS** will be returned. If the operation fails, an error code will be returned.|
| Promise\<[HuksResult](#huksresult)> | Promise used to return the result. If the operation is successful, **HUKS_SUCCESS** will be returned. If the operation fails, an error code will be returned.|
**Example**
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@@ -675,7 +674,7 @@ Exports a key. This API uses an asynchronous callback to return the result.
| callback | AsyncCallback\<[HuksResult](#huksresult)> | Yes | Callback used to return the result. If the operation is successful, **HUKS_SUCCESS** will be returned. If the operation fails, an error code will be returned. **outData** contains the public key exported.|
| callback | AsyncCallback\<[HuksResult](#huksresult)> | Yes | Callback used to return the result. If the operation is successful, **HUKS_SUCCESS** will be returned. If the operation fails, an error code will be returned. **outData** contains the public key exported.|
**Example**
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@@ -700,14 +699,14 @@ Exports a key. This API uses a promise to return the result.
| Promise\<[HuksResult](#huksresult)> | Promise used to return the result. If the operation is successful, **HUKS_SUCCESS** will be returned. If the operation fails, an error code will be returned. **outData** contains the public key exported.|
| Promise\<[HuksResult](#huksresult)> | Promise used to return the result. If the operation is successful, **HUKS_SUCCESS** will be returned. If the operation fails, an error code will be returned. **outData** contains the public key exported.|
**Example**
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@@ -734,7 +733,7 @@ Obtains key properties. This API uses an asynchronous callback to return the res
| callback | AsyncCallback\<[HuksResult](#huksresult)> | Yes | Callback used to return the result. **HUKS_SUCCESS** will be returned if the operation is successful; an error code will be returned otherwise.|
| callback | AsyncCallback\<[HuksResult](#huksresult)> | Yes | Callback used to return the result. **HUKS_SUCCESS** will be returned if the operation is successful; an error code will be returned otherwise.|
**Example**
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@@ -759,14 +758,14 @@ Obtains key properties. This API uses a promise to return the result.
| Promise\<[HuksResult](#huksoptions)> | Promise used to return the result. In the return result, **HUKS_SUCCESS** will be returned for **errorCode** if the operation is successful; an error code will be returned otherwise. **properties** returns the parameters required for generating the key.|
| Promise\<[HuksResult](#huksoptions)> | Promise used to return the result. In the return result, **HUKS_SUCCESS** will be returned for **errorCode** if the operation is successful; an error code will be returned otherwise. **properties** returns the parameters required for generating the key.|
**Example**
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@@ -791,9 +790,9 @@ Checks whether a key exists. This API uses an asynchronous callback to return th