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Make mg_random() fallible. Abort TLS on weak RNG

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Sergey Lyubka authored and Sergio R. Caprile committed 2024-09-02 11:06:10 -03:00
1 parent 44b3d60692
commit 683f65f8ac
62 files changed
+253 -111
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examples/microchip/same54-xpro/device-dashboard/main.c
+2 -1
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@@ -22,11 +22,12 @@ uint64_t mg_millis(void) { // Let Mongoose use our uptime function
return s_ticks; // Return number of milliseconds since boot
}
void mg_random(void *buf, size_t len) { // Use on-board RNG
bool mg_random(void *buf, size_t len) { // Use on-board RNG
for (size_t n = 0; n < len; n += sizeof(uint32_t)) {
uint32_t r = rng_read();
memcpy((char *) buf + n, &r, n + sizeof(r) > len ? len - n : sizeof(r));
}
return true;
}
static void timer_fn(void *arg) {
examples/microchip/same54-xpro/mqtt-client/main.c
+2 -1
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@@ -24,11 +24,12 @@ uint64_t mg_millis(void) { // Let Mongoose use our uptime function
return s_ticks; // Return number of milliseconds since boot
}
void mg_random(void *buf, size_t len) { // Use on-board RNG
bool mg_random(void *buf, size_t len) { // Use on-board RNG
for (size_t n = 0; n < len; n += sizeof(uint32_t)) {
uint32_t r = rng_read();
memcpy((char *) buf + n, &r, n + sizeof(r) > len ? len - n : sizeof(r));
}
return true;
}
static void fn(struct mg_connection *c, int ev, void *ev_data) {