Visible to Intel only — GUID: GUID-69704C65-3E1E-41B3-AD84-F81057E72A31
Visible to Intel only — GUID: GUID-69704C65-3E1E-41B3-AD84-F81057E72A31
AES_GCMStart
Starts the process of authenticated encryption/decryption for new message.
Syntax
IppStatus ippsAES_GCMStart(const Ipp8u* pIV, int ivLen, const Ipp8u* pAAD, int aadLen, IppsAES_GCMState* pState);
Include Files
ippcp.h
Parameters
pIV |
Pointer to the initialization vector. |
ivLen |
Length of the initialization vector *pIV (in bytes). |
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 resets internal counters and buffers of the *pState context.
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. |
ippStsLengthErr |
Indicates an error condition if the length of the initialization vector is zero. |