Developer Reference for Intel® Integrated Performance Primitives Cryptography 2018

AES_GCMProcessAAD

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

Syntax

IppStatus ippsAES_GCMProcessAAD(const Ipp8u* pAAD, int aadLen, IppsAES_GCMState* pState);

Include Files

ippcp.h

Parameters

pAAD

Pointer to the additional authenticated data.

aadLen

Length of additional authenticated data *pAAD (in bytes).

pState

Pointer to the IppsAES_GCMState context.

Description

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.