Rijndael128GCMProcessAAD

Processes additional authenticated data of a given length according to the GCM specification.

Syntax

IppStatus ippsRijndael128GCMProcessAAD(const Ipp8u* pAAD, Ipp32u aadLen, IppsRijndael128GCMState* pState);

Parameters

pAAD	Pointer to the additional authenticated data.
aadLen	Length of additional authenticated data *pAAD (in bytes).
pState	Pointer to the IppsRijndael128GCMState context.

Description

This function is declared in the ippcp.h file. The function processes aadLen bytes of additional authenticated data *pAAD as specified in [NIST SP 800-38D].

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