stm32f4xx_cryp_aes.c File Reference

This file provides high level functions to encrypt and decrypt an input message using AES in ECB/CBC/CTR modes. It uses the stm32f4xx_cryp.c/.h drivers to access the STM32F4xx CRYP peripheral. More...

#include "stm32f4xx_cryp.h"

Macros
#define	AESBUSY_TIMEOUT   ((uint32_t) 0x00010000)

Functions
ErrorStatus	CRYP_AES_ECB (uint8_t Mode, uint8_t *Key, uint16_t Keysize, uint8_t *Input, uint32_t Ilength, uint8_t *Output)
	Encrypt and decrypt using AES in ECB Mode. More...
ErrorStatus	CRYP_AES_CBC (uint8_t Mode, uint8_t InitVectors[16], uint8_t *Key, uint16_t Keysize, uint8_t *Input, uint32_t Ilength, uint8_t *Output)
	Encrypt and decrypt using AES in CBC Mode. More...
ErrorStatus	CRYP_AES_CTR (uint8_t Mode, uint8_t InitVectors[16], uint8_t *Key, uint16_t Keysize, uint8_t *Input, uint32_t Ilength, uint8_t *Output)
	Encrypt and decrypt using AES in CTR Mode. More...

Detailed Description

This file provides high level functions to encrypt and decrypt an input message using AES in ECB/CBC/CTR modes. It uses the stm32f4xx_cryp.c/.h drivers to access the STM32F4xx CRYP peripheral.

Author

MCD Application Team

Version

V1.0.2

Date

05-March-2012

*
*          ===================================================================
*                                   How to use this driver
*          ===================================================================
*          1. Enable The CRYP controller clock using 
*            RCC_AHB2PeriphClockCmd(RCC_AHB2Periph_CRYP, ENABLE); function.
*
*          2. Encrypt and decrypt using AES in ECB Mode using CRYP_AES_ECB()
*             function.
*
*          3. Encrypt and decrypt using AES in CBC Mode using CRYP_AES_CBC()
*             function.
*
*          4. Encrypt and decrypt using AES in CTR Mode using CRYP_AES_CTR()
*             function.
*
*  

Attention

© COPYRIGHT 2012 STMicroelectronics

Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); You may not use this file except in compliance with the License. You may obtain a copy of the License at:

   http://www.st.com/software_license_agreement_liberty_v2

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.