Developer Reference for Intel® Integrated Performance Primitives Cryptography
Returns sizes of the ECES SM2 buffer components.
IppStatus ippsGFpECESGetBufferSize_SM2(int* pPubKeySize, int* pTagSize, const ippsECES_StateSM2* pState);
ippcp.h
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. |
The function returns buffer sizes for the public key and authentication tag representations.
ippStsNoErr |
Indicates no error. Any other value indicates an error or warning. |
ippStsNullPtrErr |
Indicates an error condition if any of the specified pointers is NULL. |
ippStsContextMatchErr |
Indicates an error condition if the IppsECES_StateSM2 context parameter does not match the operation. |