Aes() - VeriFone MX800 series Programmer's Manual

D D
EVICE RIVERS

AES()

AES()
86
M X 800 S P
ERIES ROGRAMMERS
This function performs AES computations on 128-bit data block. The operation
type and key length are specified using the parameter ucAesOption.
Prototype
int AES (unsigned char ucAesOption,
unsigned char *pucAesKey8N,
unsigned char *pucInputData,
unsigned char *pucOutputData)
Parameters
Algorithm
ucAesOption
AES128E (04h)
AES128D (05h)
AES192E (06h)
AES192D (07h)
AES256E (08h)
AES256D (09h)
Pointer to 8N-byte key block (N=1, 2 or 3)
pucAesKey8N
Pointer to 16-byte input block
pucInputData
Pointer to 16-byte output block
pucOutputData
Return Values
0 Successful execution
Less than 0 Error
G
UIDE
AES encryption using a 128-bit key
AES decryption using a 128-bit key
AES encryption using a 192-bit key
AES decryption using a 192-bit key
AES encryption using a 256-bit key
AES decryption using a 256-bit key