stm32f4xx_cryp_des.c File Reference

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

#include "stm32f4xx_cryp.h"

Macros
#define	DESBUSY_TIMEOUT   ((uint32_t) 0x00010000)

Functions
ErrorStatus	CRYP_DES_ECB (uint8_t Mode, uint8_t Key[8], uint8_t *Input, uint32_t Ilength, uint8_t *Output)
	Encrypt and decrypt using DES in ECB Mode. More...
ErrorStatus	CRYP_DES_CBC (uint8_t Mode, uint8_t Key[8], uint8_t InitVectors[8], uint8_t *Input, uint32_t Ilength, uint8_t *Output)
	Encrypt and decrypt using DES in CBC Mode. More...

Detailed Description

This file provides high level functions to encrypt and decrypt an input message using DES in ECB/CBC 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 DES in ECB Mode using CRYP_DES_ECB()
*             function.
*
*          3. Encrypt and decrypt using DES in CBC Mode using CRYP_DES_CBC()
*             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.