AES_CMACFinal

Completes computation of the MAC value.

Syntax

IppStatus ippsAES_CMACFinal(Ipp8u *pMD, int mdLen, IppsAES_CMACState *pState);

Include Files

ippcp.h

Parameters

pMD

Pointer to the MAC value.

mdLen

Specified length of the MAC.

pState

Pointer to the IppsAES_CMACState context.

Description

The function completes calculation of the MAC of a message, stores the result in the memory at the address of pMD, and prepares the context for computation of the MAC of another message.

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 is NULL.

ippStsLengthErr

Indicates an error condition if mdLen is less than 1 or greater than cipher’s data block length.

ippStsContextMatchErr

Indicates an error condition if the context parameter does not match the operation.