Diff: main.cpp

Revision:

22:1be3a5f0223e

Parent:

21:0a4f90fb3451

Child:

23:4afef8872432

--- a/main.cpp	Fri Aug 17 00:11:10 2018 +0000
+++ b/main.cpp	Fri Aug 17 02:26:39 2018 +0000
@@ -39,8 +39,9 @@
 
 //#define DEBUG_ON 1
 
-void executeSha256(MAX8614X &m, uint8_t *challenge, unsigned int challengeLen, bool romID, uint32_t *response);
+void executeSha256(MAX8614X &m, uint32_t *challenge, unsigned int challengeLen, bool romID, uint32_t *response);
 bool isTheChipAuthenicated(uint32_t *expectedResponse, uint32_t *chipResponse);
+void xxx(uint32_t *inData);
 
 #define RESPONSE_LEN32 8
 
@@ -128,12 +129,12 @@
         0xfb0fc974,
         0x2da0781e
     };
-    uint8_t challenge_4[CHALLENGE8_LEN] = {  // 160 bit, no ROM
-        0x4c, 0x3c, 0x0a, 0xca,
-        0x61, 0x8a, 0xbd, 0xf2,
-        0x34, 0xd8, 0xb3, 0x41,
-        0x12, 0x89, 0xf3, 0x78,
-        0x65, 0xb6, 0x0d, 0xeb
+    uint32_t challenge_4[CHALLENGE8_LEN] = {  // 160 bit, no ROM
+        0x4c3c0aca,
+        0x618abdf2,
+        0x34d8b341,
+        0x1289f378,
+        0x65b60deb
     };
     uint32_t expectedResponse_4_noRomID[RESPONSE_LEN32] = {  // 160 bit, no ROM
         0xae740f91,
@@ -145,6 +146,14 @@
         0xc993d165,
         0xe5ae5983
     };
+
+    uint32_t challenge_14[CHALLENGE8_LEN] = {  // 160 bit, no ROM
+0x4c3c0aca,
+0x618abdf2,
+0x34d8b341,
+0x1289f378,
+0x65b60deb
+};
     uint32_t chip_response[RESPONSE_LEN32];
     bool valid = 0;
 
@@ -158,7 +167,7 @@
     m.init();
 
     //● Compare MAC from MAX86140 wth Host's precalculated MAC.
-    executeSha256(m, challenge_A, CHALLENGE8_LEN, 1, chip_response);
+//    executeSha256(m, challenge_A, CHALLENGE8_LEN, 1, chip_response);
     //● Check PASS or FAIL.
     valid = isTheChipAuthenicated(chip_response, expectedResponse_A_romID);
     if (valid)
@@ -167,7 +176,7 @@
         printf("\r\n             Challenge A failed\r\n\r\n");
 
     //● Compare MAC from MAX86140 wth Host's precalculated MAC.
-    executeSha256(m, challenge_1, CHALLENGE8_LEN, 1, chip_response);
+//    executeSha256(m, challenge_1, CHALLENGE8_LEN, 1, chip_response);
     //● Check PASS or FAIL.
     valid = isTheChipAuthenicated(chip_response, expectedResponse_1_romID);
     if (valid)
@@ -175,14 +184,14 @@
     else
         printf("\r\n             Challenge 1 failed\r\n\r\n");
 
-    executeSha256(m, challenge_2, CHALLENGE8_LEN, 0, chip_response);
+//    executeSha256(m, challenge_2, CHALLENGE8_LEN, 0, chip_response);
     valid = isTheChipAuthenicated(chip_response, expectedResponse_2_noRomID);
     if (valid)
         printf("\r\n             Challenge 2 passed\r\n\r\n");
     else
         printf("\r\n             Challenge 2 failed\r\n\r\n");
 
-    executeSha256(m, challenge_3, CHALLENGE8_LEN, 1, chip_response);
+//    executeSha256(m, challenge_3, CHALLENGE8_LEN, 1, chip_response);
     valid = isTheChipAuthenicated(chip_response, expectedResponse_3_romID);
     if (valid)
         printf("\r\n             Challenge 3 passed\r\n\r\n");
@@ -195,7 +204,15 @@
         printf("\r\n             Challenge 4 passed\r\n\r\n");
     else
         printf("\r\n             Challenge 4 failed\r\n\r\n");
-
+#if 0
+    xxx(challenge_14);
+    executeSha(m, challenge_14, CHALLENGE8_LEN, 0, chip_response);
+    valid = isTheChipAuthenicated(chip_response, expectedResponse_4_noRomID);
+    if (valid)
+        printf("\r\n             Challenge 4 passed\r\n\r\n");
+    else
+        printf("\r\n             Challenge 4 failed\r\n\r\n");
+#endif
     //● Disable SHA_EN bit ( Write 0 to SHA_EN bit).     
     m.writeRegister(MAX8614X::MAX8614X_SHA_CFG_REG, 0);
     while(1) {
@@ -225,9 +242,32 @@
         }
     }
 }
-
-
-void executeSha256(MAX8614X &m, uint8_t *challenge, unsigned int challengeLen, bool romID, uint32_t *response)
+void xxx(uint32_t *inData)
+{
+    int i, j, k;
+    uint8_t macData[256];
+    uint8_t xData[256];
+    uint32_t x32Data[64];
+    k = 0;
+    for (i = 0; i < 5; i++) {
+        printf("%08x\n\r", inData[i]);
+        x32Data[i] = inData[i];
+        for (j = 0; j <= 3; j++) {
+            xData[(i*4)+j] = x32Data[i] & 0xFF;
+//        printf("%02x %d \n\r", xData[k], k);
+            x32Data[i] = x32Data[i] >> 8;
+        //printf("%08x\n\r", x32Data[i]);
+            k++;
+        }
+    }
+    for (i = 0; i < 20; i++) {
+        if (!(i % 4))
+            printf("\r\n ");
+        printf("%02x", xData[i]);
+    }
+            printf("\r\n ");
+}
+void executeSha256(MAX8614X &m, uint32_t *challenge, unsigned int challengeLen, bool romID, uint32_t *response)
 {
     int i, j, k;
     uint8_t macData[256];
@@ -249,7 +289,19 @@
     // Enable Memory Write, Select Bank 0, address 0x00 to 0xFF
     m.writeRegister(MAX8614X::MAX8614X_MEMORY_CONTROL_REG, MAX8614X::MAX8614X_MEMCNTRL_WR_EN_MASK | MAX8614X::MAX8614X_MEMCNTRL_BANK0_MASK);
 
-#ifdef DEBUG_ON
+    for (i = 0; i < 5; i++) {
+        printf("%08x\n\r", challenge[i]);
+        x32Data[i] = challenge[i];
+        for (j = 0; j <= 3; j++) {
+            xData[(i*4)+j] = x32Data[i] & 0xFF;
+//        printf("%02x %d \n\r", xData[k], k);
+            x32Data[i] = x32Data[i] >> 8;
+        //printf("%08x\n\r", x32Data[i]);
+            k++;
+        }
+    }
+
+#ifdef 0
     printf("\r\n Raw Input Data\r\n\r\n");
     for (i = 0; i < challengeLen; i++) {
         if (!(i % 4))
@@ -259,7 +311,7 @@
     printf("\r\n");
 #endif
 
-    transformData(challenge, xData, challengeLen);
+    //transformData(challenge, xData, challengeLen);
 
 #ifdef DEBUG_ON
     printf("\r\n Transformed Input Data\r\n\r\n");
@@ -351,4 +403,4 @@
 #endif
         response[i] = x32Data[i];
     }
-}
\ No newline at end of file
+}