AES_GCMDecrypt
AES_GCMDecrypt
Decrypts a data buffer in the GCM mode.
Syntax
IppStatus ippsAES_GCMDecrypt(const Ipp8u*
pSrc
, Ipp8u*
pDst
, int
len
, IppsAES_GCMState*
pState
);
Include Files
ippcp.h
Parameters
- pSrc
- Pointer to the input ciphertext data stream of a variable length.
- pDst
- Pointer to the resulting plaintext data stream.
- len
- Length of the plaintext and ciphertext data stream in bytes.
- pState
- Pointer to theIppsAES_GCMStatecontext.
Description
The function decrypts the input cipher data stream of a variable length according to GCM 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 isNULL.
- ippStsContextMatchErr
- Indicates an error condition if the context parameter does not match the operation.
- ippStsLengthErr
- Indicates an error condition iflenis less than zero.