GFpECESGetBufferSize_SM2
GFpECESGetBufferSize_SM2
Returns sizes of the ECES SM2 buffer components.
Syntax
IppStatus ippsGFpECESGetBufferSize_SM2(int*
pPubKeySize
, int*
pTagSize
, const ippsECES_StateSM2*
pState
);
Include Files
ippcp.h
Parameters
- pPubKeySize
- Pointer to the size of the public key representation.
- pTagSize
- Pointer to the maximum size of the authentication tag buffer.
- pState
- Pointer to the buffer being initialized as the ECES context.
Description
The function returns buffer sizes for the public key and authentication tag representations.
Return Values
- ippStsNoErr
- Indicates no error. Any other value indicates an error or warning.
- ippStsNullPtrErr
- Indicates an error condition if any of the specified pointers isNULL.
- ippStsContextMatchErr
- Indicates an error condition if theIppsECES_StateSM2context parameter does not match the operation.