EMTime/libopencm3
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add preliminary support for Cryptographic coprocessor on stm32 F2 and F4

Browse Source
This commit is contained in:
BuFran
2013-06-21 16:55:01 +02:00
committed by Piotr Esden-Tempski
parent 3bc5a249a1
commit 035c67ced6
10 changed files with 709 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
lib/stm32/f4/Makefile
View File

@@ -34,13 +34,14 @@ CFLAGS = -Os -g \
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS = adc.o can.o gpio.o exti2.o pwr.o rcc.o rtc.o
OBJS = adc.o can.o gpio.o exti2.o pwr.o rcc.o rtc.o crypto.o
OBJS += crc_common_all.o dac_common_all.o dma_common_f24.o \
gpio_common_all.o gpio_common_f24.o i2c_common_all.o \
iwdg_common_all.o pwr_common_all.o rtc_common_bcd.o \
spi_common_all.o timer_common_all.o timer_common_f24.o \
usart_common_all.o flash_common_f24.o hash_common_f24.o
usart_common_all.o flash_common_f24.o hash_common_f24.o \
crypto_common_f24.o
OBJS += usb.o usb_standard.o usb_control.o usb_fx07_common.o \
usb_f107.o usb_f207.o

66
lib/stm32/f4/crypto.c Normal file
View File

@@ -0,0 +1,66 @@
/** @defgroup crypto_file CRYPTO
*
* @ingroup STM32F4xx
*
* @brief <b>libopencm3 STM32F4xx CRYPTO</b>
*
* @version 1.0.0
*
* @date 18 Jun 2013
*
*/
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2011 Stephen Caudle <scaudle@doceme.com>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libopencm3/stm32/crypto.h>
/**@{*/
/*---------------------------------------------------------------------------*/
/** @brief Set the MAC algorithm
*/
void crypto_set_mac_algorithm(crypto_mode_mac_t mode)
{
crypto_set_algorithm((crypto_mode_t) mode);
}
/**
* @brief Swap context
*
*@param[in] buf uint32_t Memory space for swap (16 items length)
*/
void crypto_context_swap(uint32_t * buf)
{
int i;
/* Apply exact order of ? */
for (i = 0; i < 8; i++) {
uint32_t save = *buf;
*buf++ = CRYP_CSGCMCCMR(i);
CRYP_CSGCMCCMR(i) = save;
};
for (i = 0; i < 8; i++) {
uint32_t save = *buf;
*buf++ = CRYP_CSGCMR(i);
CRYP_CSGCMCCMR(i) = save;
};
}
/**@}*/