mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-24 05:23:06 +00:00
9e62f08e4d
* U2F implementation prototype * U2F data encryption and store, user confirmation request * remove debug prints * fix notification bug in chrome * split u2f_alloc into u2f_init and u2f_alloc * typo fix, furi-hal-trng -> furi-hal-random * rand/srand redefinition * SubGhz: a little bit of Dante. * u2f_data naming fix Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
94 lines
2.3 KiB
C++
94 lines
2.3 KiB
C++
/* Copyright 2015, Kenneth MacKay. Licensed under the BSD 2-clause license. */
|
|
|
|
#ifndef _UECC_PLATFORM_SPECIFIC_H_
|
|
#define _UECC_PLATFORM_SPECIFIC_H_
|
|
|
|
#include "types.h"
|
|
|
|
#if (defined(_WIN32) || defined(_WIN64))
|
|
/* Windows */
|
|
|
|
// use pragma syntax to prevent tweaking the linker script for getting CryptXYZ function
|
|
#pragma comment(lib, "crypt32.lib")
|
|
#pragma comment(lib, "advapi32.lib")
|
|
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#include <windows.h>
|
|
#include <wincrypt.h>
|
|
|
|
static int default_RNG(uint8_t *dest, unsigned size) {
|
|
HCRYPTPROV prov;
|
|
if (!CryptAcquireContext(&prov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) {
|
|
return 0;
|
|
}
|
|
|
|
CryptGenRandom(prov, size, (BYTE *)dest);
|
|
CryptReleaseContext(prov, 0);
|
|
return 1;
|
|
}
|
|
#define default_RNG_defined 1
|
|
|
|
#elif defined(unix) || defined(__linux__) || defined(__unix__) || defined(__unix) || \
|
|
(defined(__APPLE__) && defined(__MACH__)) || defined(uECC_POSIX)
|
|
|
|
/* Some POSIX-like system with /dev/urandom or /dev/random. */
|
|
#include <sys/types.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
|
|
#ifndef O_CLOEXEC
|
|
#define O_CLOEXEC 0
|
|
#endif
|
|
|
|
static int default_RNG(uint8_t *dest, unsigned size) {
|
|
int fd = open("/dev/urandom", O_RDONLY | O_CLOEXEC);
|
|
if (fd == -1) {
|
|
fd = open("/dev/random", O_RDONLY | O_CLOEXEC);
|
|
if (fd == -1) {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
char *ptr = (char *)dest;
|
|
size_t left = size;
|
|
while (left > 0) {
|
|
ssize_t bytes_read = read(fd, ptr, left);
|
|
if (bytes_read <= 0) { // read failed
|
|
close(fd);
|
|
return 0;
|
|
}
|
|
left -= bytes_read;
|
|
ptr += bytes_read;
|
|
}
|
|
|
|
close(fd);
|
|
return 1;
|
|
}
|
|
#define default_RNG_defined 1
|
|
|
|
#elif defined(RIOT_VERSION)
|
|
|
|
#include <random.h>
|
|
|
|
static int default_RNG(uint8_t *dest, unsigned size) {
|
|
random_bytes(dest, size);
|
|
return 1;
|
|
}
|
|
#define default_RNG_defined 1
|
|
|
|
#elif defined(NRF52_SERIES)
|
|
|
|
#include "app_error.h"
|
|
#include "nrf_crypto_rng.h"
|
|
|
|
static int default_RNG(uint8_t *dest, unsigned size)
|
|
{
|
|
// make sure to call nrf_crypto_init and nrf_crypto_rng_init first
|
|
ret_code_t ret_code = nrf_crypto_rng_vector_generate(dest, size);
|
|
return (ret_code == NRF_SUCCESS) ? 1 : 0;
|
|
}
|
|
#define default_RNG_defined 1
|
|
|
|
#endif /* platform */
|
|
|
|
#endif /* _UECC_PLATFORM_SPECIFIC_H_ */
|