xsecure_hmac.c File Reference

Overview

This file contains the implementation of the HMAC APIs.

MODIFICATION HISTORY:

Ver   Who Date     Changes



5.0   vns 05/30/22 Initial release
      kpt 07/24/22 Moved XSecure_HmacKat into xsecure_kat_plat.c
5.2   kpt 07/27/23 Fix security review comments
      dd  10/11/23 MISRA-C violation Rule 10.3 fixed
      dd  10/11/23 MISRA-C violation Rule 8.13 fixed
5.3   kpt 11/24/23 Replace Xil_SMemSet with Xil_SecureZeroize
      har 01/16/24 Corrected length of IntHash for zeroization

Macros
#define	XSECURE_HMAC_8BIT_SHIFT   (8U)
	8 Bit shift for HMAC More...
#define	XSECURE_HMAC_16BIT_SHIFT   (16U)
	16 Bit shift for HMAC More...
#define	XSECURE_HMAC_24BIT_SHIFT   (24U)
	24 Bit shift for HMAC More...
#define	XSECURE_HMAC_WORD_LEN   (4U)
	HMAC word length. More...
#define	XSECURE_HMAC_IPAD_VALUE   (0x36U)
	HMAC IPAD value. More...
#define	XSECURE_HMAC_OPAD_VALUE   (0x5CU)
	HMAC OPAD value. More...

Functions
int	XSecure_HmacInit (XSecure_Hmac *InstancePtr, XSecure_Sha3 *Sha3InstancePtr, u64 KeyAddr, u32 KeyLen)
	This function initializes the HMAC instance. More...
int	XSecure_HmacUpdate (XSecure_Hmac *InstancePtr, u64 DataAddr, u32 Len)
	This function updates the data to be authenticated, which can be called repeatedly with chunks of the message to be authenticated (len bytes at data). More...
int	XSecure_HmacFinal (XSecure_Hmac *InstancePtr, XSecure_HmacRes *Hmac)
	This function calculates the final HMAC. More...