harmony 鸿蒙HuksParamSetApi
HuksParamSetApi
Overview
Defines HUKS parameter set management capabilities, including HUKS parameter set lifecycle management such as initializing a parameter set, adding parameters, building a parameter set, and freeing a parameter set, as well as functions such as obtaining parameters, copying a parameter set, querying a parameter set, and checking the validity of a parameter set.
\@syscap SystemCapability.Security.Huks
Since: 9
Summary
Files
Name | Description |
---|---|
native_huks_param.h | Provides APIs for constructing, using, and destroying parameter sets. File to include: Library: libhuks_ndk.z.so |
Functions
Name | Description |
---|---|
OH_Huks_InitParamSet (struct OH_Huks_ParamSet **paramSet) | Initializes a parameter set. |
OH_Huks_AddParams (struct OH_Huks_ParamSet *paramSet, const struct OH_Huks_Param *params, uint32_t paramCnt) | Adds parameters to a parameter set. |
OH_Huks_BuildParamSet (struct OH_Huks_ParamSet **paramSet) | Builds a parameter set. |
OH_Huks_FreeParamSet (struct OH_Huks_ParamSet **paramSet) | Frees a parameter set. |
OH_Huks_CopyParamSet (const struct OH_Huks_ParamSet *fromParamSet, uint32_t fromParamSetSize, struct OH_Huks_ParamSet **paramSet) | Copies a parameter set (deep copy). |
OH_Huks_GetParam (const struct OH_Huks_ParamSet *paramSet, uint32_t tag, struct OH_Huks_Param **param) | Obtains a parameter from a parameter set. |
OH_Huks_FreshParamSet (struct OH_Huks_ParamSet *paramSet, bool isCopy) | Refreshes data of the Blob type in a parameter set. |
OH_Huks_isParamSetTagValid (const struct OH_Huks_ParamSet *paramSet) | Checks whether the parameters in a parameter set are valid. |
OH_Huks_isParamSetValid (const struct OH_Huks_ParamSet *paramSet, uint32_t size) | Checks whether a parameter set is of the valid size. |
OH_Huks_CheckParamMatch (const struct OH_Huks_Param *baseParam, const struct OH_Huks_Param *param) | Checks whether two parameters are the same. |
Function Description
OH_Huks_AddParams()
int32_t OH_Huks_AddParams (struct OH_Huks_ParamSet * paramSet, const struct OH_Huks_Param * params, uint32_t paramCnt )
Description
Adds parameters to a parameter set.
Parameters
Name | Description |
---|---|
paramSet | Indicates the pointer to the parameter set to which parameters are to be added. |
params | Indicates the pointer to an array of parameters to add. |
paramCnt | Indicates the number of parameters to add. |
Returns
Returns OH_Huks_ErrCode#OH_HUKS_SUCCESS if the operation is successful; returns an error code otherwise.
OH_Huks_BuildParamSet()
int32_t OH_Huks_BuildParamSet (struct OH_Huks_ParamSet ** paramSet)
Description
Builds a parameter set.
Parameters
Name | Description |
---|---|
paramSet | Indicates the double pointer to the parameter set to build. |
Returns
Returns OH_Huks_ErrCode#OH_HUKS_SUCCESS if the operation is successful; returns an error code otherwise.
OH_Huks_CheckParamMatch()
int32_t OH_Huks_CheckParamMatch (const struct OH_Huks_Param * baseParam, const struct OH_Huks_Param * param )
Description
Checks whether two parameters are the same.
Parameters
Name | Description |
---|---|
baseParam | Indicates the pointer to the first parameter to compare. |
param | Indicates the pointer to the second parameter to compare. |
Returns
Returns OH_Huks_ErrCode#OH_HUKS_SUCCESS if the two parameters are the same; returns an error code otherwise.
OH_Huks_CopyParamSet()
int32_t OH_Huks_CopyParamSet (const struct OH_Huks_ParamSet * fromParamSet, uint32_t fromParamSetSize, struct OH_Huks_ParamSet ** paramSet )
Description
Copies a parameter set (deep copy).
Parameters
Name | Description |
---|---|
fromParamSet | Indicates the pointer to the parameter set to copy. |
fromParamSetSize | Indicates the size of the memory occupied by the copied parameter set. |
paramSet | Indicates the double pointer to the new parameter set generated. |
Returns
Returns OH_Huks_ErrCode#OH_HUKS_SUCCESS if the operation is successful; returns an error code otherwise.
OH_Huks_FreeParamSet()
void OH_Huks_FreeParamSet (struct OH_Huks_ParamSet ** paramSet)
Description
Frees a parameter set.
Parameters
Name | Description |
---|---|
paramSet | Indicates the pointer to the parameter set to free. |
OH_Huks_FreshParamSet()
int32_t OH_Huks_FreshParamSet (struct OH_Huks_ParamSet * paramSet, bool isCopy )
Description
Refreshes data of the Blob type in a parameter set.
Parameters
Name | Description |
---|---|
paramSet | Indicates the pointer to the target parameter set. |
isCopy | Specifies whether to copy the data of the HksBlob type to the parameter set. |
Returns
Returns OH_Huks_ErrCode#OH_HUKS_SUCCESS if the operation is successful; returns an error code otherwise.
OH_Huks_GetParam()
int32_t OH_Huks_GetParam (const struct OH_Huks_ParamSet * paramSet, uint32_t tag, struct OH_Huks_Param ** param )
Description
Obtains a parameter from a parameter set.
Parameters
Name | Description |
---|---|
paramSet | Indicates the pointer to the target parameter set. |
tag | Indicates the name of the parameter to obtain. |
param | Indicates the double pointer to the obtained parameter. |
Returns
Returns OH_Huks_ErrCode#OH_HUKS_SUCCESS if the operation is successful; returns an error code otherwise.
OH_Huks_InitParamSet()
int32_t OH_Huks_InitParamSet (struct OH_Huks_ParamSet ** paramSet)
Description
Initializes a parameter set.
Parameters
Name | Description |
---|---|
paramSet | Indicates the pointer to the parameter set to initialize. |
Returns
Returns OH_Huks_ErrCode#OH_HUKS_SUCCESS if the operation is successful; returns an error code otherwise.
OH_Huks_isParamSetTagValid()
int32_t OH_Huks_isParamSetTagValid (const struct OH_Huks_ParamSet * paramSet)
Description
Checks whether the parameters in a parameter set are valid.
Parameters
Name | Description |
---|---|
paramSet | Indicates the pointer to the parameter set to check. |
Returns
Returns OH_Huks_ErrCode#OH_HUKS_SUCCESS if the parameters in the parameter set are valid; returns an error code otherwise.
OH_Huks_isParamSetValid()
int32_t OH_Huks_isParamSetValid (const struct OH_Huks_ParamSet * paramSet, uint32_t size )
Description
Checks whether a parameter set is of the valid size.
Parameters
Name | Description |
---|---|
paramSet | Indicates the pointer to the parameter set to check. |
size | Indicates the memory size occupied by the parameter set. |
Returns
Returns OH_Huks_ErrCode#OH_HUKS_SUCCESS if the size of the parameter set is valid; returns an error code otherwise.
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