stm32f4xx_hal_cryp_ex.c File Reference

Extended CRYP HAL module driver This file provides firmware functions to manage the following functionalities of CRYP extension peripheral: More...

#include "stm32f4xx_hal.h"

Include dependency graph for stm32f4xx_hal_cryp_ex.c:

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Macros
#define	CRYP_PHASE_INIT   0x00000000U
#define	CRYP_PHASE_HEADER   AES_CR_GCMPH_0
#define	CRYP_PHASE_PAYLOAD   AES_CR_GCMPH_1
#define	CRYP_PHASE_FINAL   AES_CR_GCMPH
#define	CRYP_OPERATINGMODE_ENCRYPT   0x00000000U
#define	CRYP_OPERATINGMODE_KEYDERIVATION   AES_CR_MODE_0
#define	CRYP_OPERATINGMODE_DECRYPT   AES_CR_MODE_1
#define	CRYP_OPERATINGMODE_KEYDERIVATION_DECRYPT   AES_CR_MODE
#define	CRYPEx_PHASE_PROCESS   0x02U
#define	CRYPEx_PHASE_FINAL   0x03U
#define	CRYP_CCM_CTR0_0   0x07FFFFFFU
#define	CRYP_CCM_CTR0_3   0xFFFFFF00U

Functions
HAL_StatusTypeDef	HAL_CRYPEx_AESGCM_GenerateAuthTAG (CRYP_HandleTypeDef *hcryp, uint32_t *AuthTag, uint32_t Timeout)
	generate the GCM authentication TAG.
HAL_StatusTypeDef	HAL_CRYPEx_AESCCM_GenerateAuthTAG (CRYP_HandleTypeDef *hcryp, uint32_t *AuthTag, uint32_t Timeout)
	AES CCM Authentication TAG generation.
void	HAL_CRYPEx_EnableAutoKeyDerivation (CRYP_HandleTypeDef *hcryp)
	AES enable key derivation functions.
void	HAL_CRYPEx_DisableAutoKeyDerivation (CRYP_HandleTypeDef *hcryp)
	AES disable key derivation functions.

Detailed Description

Extended CRYP HAL module driver This file provides firmware functions to manage the following functionalities of CRYP extension peripheral:

Author

MCD Application Team

• Extended AES processing functions

Attention

Copyright (c) 2016 STMicroelectronics. All rights reserved.

This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.

==============================================================================
                   ##### How to use this driver #####
==============================================================================
  [..]
  The CRYP extension HAL driver can be used as follows:
  (#)After AES-GCM or AES-CCM  Encryption/Decryption user can start following API
     to get the  authentication messages :
    (##) HAL_CRYPEx_AESGCM_GenerateAuthTAG
    (##) HAL_CRYPEx_AESCCM_GenerateAuthTAG

Definition in file stm32f4xx_hal_cryp_ex.c.