mainscnt/mains-frequency-counter-esp32
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

sharedSecret

Browse Source
This commit is contained in:
Wolfgang Hottgenroth
2021-03-25 10:01:16 +01:00
parent 9d5c7cfe84
commit 271bcb6d91
1 changed files with 13 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/main/sinkSender.c
View File

@ -128,10 +128,20 @@ void sinksenderInit() {
err = nvs_get_str(nvsHandle, "sharedSecret", sharedSecret, &s); err = nvs_get_str(nvsHandle, "sharedSecret", sharedSecret, &s);
ESP_LOGI(TAG, "2. err: %d, len: %d", err, s); ESP_LOGI(TAG, "2. err: %d, len: %d", err, s);
if (err == ESP_OK) { if (err == ESP_OK) {
ESP_LOGI(TAG, "sharedSecret: %s", sharedSecret); ESP_LOGI(TAG, "stored sharedSecret: %s", sharedSecret);
} else { } else {
strcpy(sharedSecret, DEFAULT_SHAREDSECRET); ESP_LOGI(TAG, "sharedSecret not configured, create one");
ESP_LOGI(TAG, "sharedSecret not configured, use default"); memset(sharedSecret, 0, sizeof(sharedSecret));
esp_fill_random(sharedSecret, sizeof(sharedSecret)-1);
for (uint8_t i = 0; i < sizeof(sharedSecret); i++) {
sharedSecret[i] = (sharedSecret[i] % 94) + 33; // 0 .. 255 -> 33 .. 93
}
ESP_LOGI(TAG, "generated sharedSecret is %s", sharedSecret);
if (ESP_OK == nvs_set_str(nvsHandle, "sharedSecret", sharedSecret)) {
ESP_LOGI(TAG, "new sharedSecret stored");
} else {
ESP_LOGE(TAG, "unable to store sharedSecret");
}
} }
} }