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mimxrt/mbedtls: Enable certificate validity time validation.

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Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
This commit is contained in:
iabdalkader 2023-09-06 14:53:17 +02:00 committed by Damien George
parent 361ca7d5ee
commit 52e3da0a0b
2 changed files with 45 additions and 0 deletions
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9
ports/mimxrt/mbedtls/mbedtls_config.h
View File

@ -26,6 +26,15 @@
#ifndef MICROPY_INCLUDED_MBEDTLS_CONFIG_H
#define MICROPY_INCLUDED_MBEDTLS_CONFIG_H
// Enable mbedtls modules.
#define MBEDTLS_HAVE_TIME
#define MBEDTLS_HAVE_TIME_DATE
// Time hook.
#include <time.h>
extern time_t mimxrt_rtctime_seconds(time_t *timer);
#define MBEDTLS_PLATFORM_TIME_MACRO mimxrt_rtctime_seconds
// Set MicroPython-specific options.
#define MICROPY_MBEDTLS_CONFIG_BARE_METAL (1)

36
ports/mimxrt/mbedtls/mbedtls_port.c
View File

@ -24,9 +24,16 @@
* THE SOFTWARE.
*/
#include "py/runtime.h"
#ifdef MICROPY_SSL_MBEDTLS
#include "mbedtls_config.h"
#if defined(MBEDTLS_HAVE_TIME) || defined(MBEDTLS_HAVE_TIME_DATE)
#include "fsl_snvs_lp.h"
#include "shared/timeutils/timeutils.h"
#endif
void trng_random_data(unsigned char *output, size_t len);
int mbedtls_hardware_poll(void *data, unsigned char *output, size_t len, size_t *olen) {
@ -38,4 +45,33 @@ int mbedtls_hardware_poll(void *data, unsigned char *output, size_t len, size_t
return 0;
}
#if defined(MBEDTLS_HAVE_TIME)
time_t mimxrt_rtctime_seconds(time_t *timer) {
// Get date and date in CPython order.
snvs_lp_srtc_datetime_t date;
SNVS_LP_SRTC_GetDatetime(SNVS, &date);
return timeutils_seconds_since_epoch(date.year, date.month, date.day, date.hour, date.minute, date.second);
}
#endif
#if defined(MBEDTLS_HAVE_TIME_DATE)
struct tm *gmtime(const time_t *timep) {
static struct tm tm;
timeutils_struct_time_t tm_buf = {0};
timeutils_seconds_since_epoch_to_struct_time(*timep, &tm_buf);
tm.tm_sec = tm_buf.tm_sec;
tm.tm_min = tm_buf.tm_min;
tm.tm_hour = tm_buf.tm_hour;
tm.tm_mday = tm_buf.tm_mday;
tm.tm_mon = tm_buf.tm_mon - 1;
tm.tm_year = tm_buf.tm_year - 1900;
tm.tm_wday = tm_buf.tm_wday;
tm.tm_yday = tm_buf.tm_yday;
tm.tm_isdst = -1;
return &tm;
}
#endif
#endif