sarthak kelapure / Mbed 2 deprecated Wallet_v1

wallet

Dependencies:   mbed HTTPClient SHA256 uECC MMA8451Q W5500Interface

Files at this revision

API Documentation at this revision

Revision 0:c04aac922df3, committed 2019-07-30

Comitter:
kelapuresarthak
Date:
Tue Jul 30 09:00:36 2019 +0000
Commit message:
test

Changed in this revision

HTTPClient.lib Show annotated file Show diff for this revision Revisions of this file
MMA8451Q.lib Show annotated file Show diff for this revision Revisions of this file
SHA256.lib Show annotated file Show diff for this revision Revisions of this file
W5500Interface.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
uECC.lib Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HTTPClient.lib	Tue Jul 30 09:00:36 2019 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/kaizen/code/HTTPClient/#9ba72b4d7ffc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MMA8451Q.lib	Tue Jul 30 09:00:36 2019 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/kelapuresarthak/code/MMA8451Q/#4549fb37670a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SHA256.lib	Tue Jul 30 09:00:36 2019 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/Remco/code/SHA256/#c0ed1bf37651

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/W5500Interface.lib	Tue Jul 30 09:00:36 2019 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/teams/EthernetInterfaceW5500-makers/code/W5500Interface/#af0ed4fbca02

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Jul 30 09:00:36 2019 +0000
@@ -0,0 +1,211 @@
+#include "mbed.h"
+#include "uECC.h"
+#include "MMA8451Q.h"
+#include "SHA256.h"
+#include <string> 
+#include <stdlib.h>
+#include "W5500Interface/EthernetInterface.h"
+#include "HTTPClient.h"
+using namespace std;
+
+
+char privateKey[43];
+char publicKey[81];
+
+char myDevID[6];
+
+PinName const SDA = PTE25;
+PinName const SCL = PTE24;
+bool isHashed = false;
+
+#define MMA8451_I2C_ADDRESS (0x1d<<1)
+
+int count = 0;
+int blockNo = 0;
+SHA256 hash;
+unsigned int mac_addr[6] = {0x00, 0x08, 0xdc, 0x1c, 0xb8, 0x4a};
+
+char* DEV_ID;
+
+static int RNG(uint8_t *dest, unsigned size) {
+  //TODO: Add Random number according to mac addr
+  return 1;
+}
+
+/*
+Generate Keys using uECC, private and public key. secp256k1
+*/    
+void getKeys(){
+  const struct uECC_Curve_t * curve = uECC_secp256k1();
+  uint8_t privKey[21];
+  
+  uint8_t pubKey[40];
+
+  int key_status = uECC_make_key(pubKey, privKey, curve);
+  if(key_status)
+  {
+    for(int i = 0; i < 21; ++i) {
+        sprintf(privateKey+2*i,"%02x", privKey[i]);
+    }
+    for(int j = 0; j < 40; ++j) {
+        sprintf(publicKey+2*j,"%02x", pubKey[j]);
+    }
+  }
+  
+  wait(1);
+}
+
+/*
+Send data to the REST API
+*/
+char* sendData(int block, char* data, char* hash)
+{
+    char sendIP[100]= "192.168.0.110";
+    char str[512];
+    char get_msg[1024];
+    //data?dev_id=123456&block=1&data=1,2,3,4,5,6,7,8,9,10&hash=123456abcdef...
+
+    sprintf(get_msg, "http://%s:5000/data?dev_id=%s&block=%d&data=%s&hash=%s", sendIP,DEV_ID,block,data,hash);
+
+    HTTPClient http;
+
+    printf("msg : %s\r\n",get_msg);
+    int ret = http.get(get_msg, str, sizeof(str));
+    if(!ret)
+    {
+      printf("\r\nPage fetched successfully - read %d characters\r\n", strlen(str));
+      printf("Result: %s\r\n", str);
+      memset(&myDevID,'\0',6);
+      strcat(myDevID,str);
+      return myDevID;
+    }
+    else
+    {
+      printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
+      return "Error";
+    }
+}
+
+/*
+Function to get the hash of the data
+Input- SHA256 Object
+Output- char*
+*/
+char* hashData(SHA256 data)
+{
+ return (char*)hash.hexString().c_str();   
+}
+
+/*
+Function to sign the data
+Input- char*
+Output- char*
+*/
+char* signData(char* data)
+{
+    const struct uECC_Curve_t * curve = uECC_secp256k1();
+    return (char*)uECC_shared_secret((uint8_t*)publicKey, (uint8_t*)privateKey, (uint8_t*)data, curve);
+}
+/*
+Register the device, public key using REST API
+*/
+char* registerDevice(char* pubKey)
+{
+    char sendIP[100]= "192.168.0.110";
+    char str[512];
+    char get_msg[512];
+    sprintf(get_msg, "http://%s:5000/register?PublicKey=%s", sendIP,pubKey);
+    //"http://192.168.0.110:5000/register?PublicKey=7834783543874";
+    
+    HTTPClient http;
+    
+    printf("msg : %s\r\n",get_msg);
+    int ret = http.get(get_msg, str, sizeof(str));
+    if(!ret)
+    {
+      printf("\r\nPage fetched successfully - read %d characters\r\n", strlen(str));
+      printf("Result: %s\r\n", str);
+      memset(&myDevID,'\0',6);
+      strcat(myDevID,str);
+      return myDevID;
+    }
+    else
+    {
+      printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
+      return "Error";
+    }   
+}
+
+int main(void)
+{
+    char data[30];
+    memset(data,'\0',strlen(data));
+    MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);
+    PwmOut rled(LED1);
+    PwmOut gled(LED2);
+    PwmOut bled(LED3);
+    uECC_set_rng(&RNG);
+    printf("My Keys are\r\n");
+    getKeys();
+    printf("Public Key %s\r\n", publicKey);
+    printf("Private Key %s\r\n", privateKey);
+    printf("MMA8451 ID: %d\r\n", acc.getWhoAmI());
+    uint8_t myPos = acc.getOrientation();
+    uint8_t myOldPos = myPos;
+    
+    //Ethernet enable
+    printf("spi init\r\n");
+    SPI spi(D11, D12, D13); // mosi, miso, sclk
+    wait(1); // 1 second for stable state
+    EthernetInterface eth(&spi, D10, D9);//scs(D10), nRESET(PTA20)
+    printf("App Start\r\n");
+    wait(1); // 1 second for stable state
+
+    uint8_t mac_addr[6] = {0x22, 0x12, 0x34, 0x1c, 0xb8, 0x4a}; // for example
+   
+    eth.init((uint8_t *)mac_addr); //Use DHCP 
+    eth.connect();
+    printf("Initialized, MAC: %s\r\n", eth.getMACAddress());
+    printf("Connected, IP: %s, MASK: %s, GW: %s\r\n",
+           eth.getIPAddress(), eth.getNetworkMask(), eth.getGateway());    
+    
+    DEV_ID = (char*)registerDevice(publicKey);
+    if(DEV_ID == "Error")
+    {
+        printf("ERROR IN REGISTRATION\r\n");
+        while(1);
+    }
+    while(true)
+    {
+        myPos = acc.getOrientation();
+        if(abs((int)myPos - (int)myOldPos) > 1)
+        {
+            printf("Count ");
+            count++;
+            printf("%d\r\n",count);
+            char temp[3];
+            sprintf(temp,"%d",count);
+            strcat(data,temp);
+            strcat(data,",");
+            myOldPos = myPos;
+            isHashed = false;
+        }
+        if(count % 10 == 0 && count !=0 && isHashed == false)
+        {
+            blockNo++;
+            data[strlen(data)-1] = '\0';
+            printf("Data %s\r\n", data);
+            hash.append(data);
+            hash.finalize();
+            printf("hash for block %d ", blockNo);
+            printf("%s\r\n", hashData(hash));
+            sendData(blockNo, data, hashData(hash));
+            hash.reset();
+            memset(data,'\0',strlen(data));
+            isHashed = true;
+        }
+        wait(1);
+    }
+}
+        
+            
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Tue Jul 30 09:00:36 2019 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uECC.lib	Tue Jul 30 09:00:36 2019 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/users/allankliu/code/uECC/#b6fdeddc0bc9