Developer Reference

Contents

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.

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.