8000 research project first commit · espressif/arduino-esp32@fbbba44 · GitHub
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swapnil-pathakswapnil-pathak
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research project first commit
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3 files changed

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‎libraries/WiFi/examples/WiFiSmartConfig/WiFiSmartConfig.ino

Lines changed: 33 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,11 +1,43 @@
11
#include "WiFi.h"
2+
#include "mbedtls/md.h" //Included for generation of key
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34
void setup() {
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Serial.begin(115200);
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//Init WiFi as Station, start SmartConfig
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WiFi.mode(WIFI_AP_STA);
8-
WiFi.beginSmartConfig();
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// --------------------------------------------------------------------
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char *prodKey = ""; //ProductKey = Per Vendor
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char *devID = ""; //DeviceID = Per IoT Device
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byte hmacResult[32];
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mbedtls_md_context_t ctx;
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mbedtls_md_type_t md_type = MBEDTLS_MD_SHA256;
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const size_t devIDLength = strlen(devID);
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const size_t prodKeyLength = strlen(prodKey);
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mbedtls_md_init(&ctx);
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mbedtls_md_setup(&ctx, mbedtls_md_info_from_type(md_type), 1);
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mbedtls_md_hmac_starts(&ctx, (const unsigned char *) prodKey, prodKeyLength);
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mbedtls_md_hmac_update(&ctx, (const unsigned char *) devID, devIDLength);
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mbedtls_md_hmac_finish(&ctx, hmacResult);
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mbedtls_md_free(&ctx);
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//Serial.print("Hash: ");
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/*
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for(int i= 0; i< sizeof(hmacResult); i++){
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char str[3];
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sprintf(str, "%02x", (int)hmacResult[i]);
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Serial.print(str);
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}
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*/
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WiFi.beginSmartConfig(hmacResult); //Enter param (byte hmacResult[32])
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// --------------------------------------------------------------------
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//Wait for SmartConfig packet from mobile
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Serial.println("Waiting for SmartConfig.");

‎libraries/WiFi/src/WiFiSTA.cpp

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -621,7 +621,7 @@ bool WiFiSTAClass::_smartConfigStarted = false;
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bool WiFiSTAClass::_smartConfigDone = false;
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bool WiFiSTAClass::beginSmartConfig() {
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bool WiFiSTAClass::beginSmartConfig(byte hmac_key[32]) {
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if (_smartConfigStarted) {
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return false;
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}

‎libraries/WiFi/src/WiFiSTA.h

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -87,7 +87,7 @@ class WiFiSTAClass
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static bool _autoReconnect;
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public:
90-
bool beginSmartConfig();
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bool beginSmartConfig(byte hmac_key[32]); //Include param (byte hmacResult[32])
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bool stopSmartConfig();
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bool smartConfigDone();
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