initTeeCtx

Initializes dgTeeCtx.

int initTeeCtx(
    DG_Cfg dgCfg,
    DG_TeeCtx **dgTeeCtx
)

Parameters

Parameter	Description	Value Range	Input/Output
dgCfg	void*	The value is not null and has been initialized.	Input
dgTeeCtx	DG_TeeCtx**	It is null as a single pointer and cannot be null as a double pointer.	Output

Return Values

Success: 0 is returned.
Failure: The error code is returned.

Error Codes

Error Code	Value	Description	Remarks
DG_SUCCESS	0	Success.	-
DG_ERR_MPC_TEE_INVALID_PARAM	4501	Failed to verify the parameters.	dgCfg is null or the dgTeeCtx double pointer is null.
DG_ERR_MPC_TEE_NODEID_NOT_SET	4506	The node ID is not set.	Each node needs to set its node information.
DG_ERR_MPC_TEE_NET_API_CALLBACK_NOT_SET	4507	The network send or receive function is not registered.	The communication callback is registered by the product.
DG_ERR_MPC_TEE_FXP_BITS_NOT_SET	4509	The number of decimal places is not set.	-
DG_ERR_MPC_TEE_INVALID_ENVIRONMENT	4511	The CPU ID or cVM environment is invalid.	The cryptographic computing feature can run only on servers with the Kunpeng 920 or new Kunpeng 920 model.

Dependency

#include "data_guard_mpc.h": the header file where the API declaration is stored.

Example

#include  "data_guard_mpc.h"
// It is assumed that teeCfg has been initialized.
DG_Matrix_Opts aritOpts = DG_InitMatrixOpts ();
struct DG_TeeCtx *dgTee = nullptr;
int rv = aritOpts.initTeeCtx(teeCfg, &dgTee);
if (rv != 0) {
    printf("tee init error.-%d\n", rv);
    return rv;
}

Running result: rv is 0.

This function is used to create the dgTeeCtx structure.

Parent topic: Matrix Arithmetic Operators