David Jung / Mbed OS MAX86140_Authenication_SHA256_test

intiial commit

Dependencies:   MAX8614X USBDevice max32630hsp_test

main.cpp@8:166e2b836050, 2018-08-14 (annotated)

Committer:
phonemacro
Date:
Tue Aug 14 05:25:35 2018 +0000
Revision:
8:166e2b836050
Parent:
7:5b7f7ec9efe0
Child:
9:134e7055d767
minor change

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phonemacro 0:9e5a4f845510 1 /**********************************************************************
phonemacro 1:854f8a89a527 2 * Copyright (C) 2018 Maxim Integrated Products, Inc., All Rights Reserved.
phonemacro 0:9e5a4f845510 3 *
phonemacro 0:9e5a4f845510 4 * Permission is hereby granted, free of charge, to any person obtaining a
phonemacro 0:9e5a4f845510 5 * copy of this software and associated documentation files (the "Software"),
phonemacro 0:9e5a4f845510 6 * to deal in the Software without restriction, including without limitation
phonemacro 0:9e5a4f845510 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
phonemacro 0:9e5a4f845510 8 * and/or sell copies of the Software, and to permit persons to whom the
phonemacro 0:9e5a4f845510 9 * Software is furnished to do so, subject to the following conditions:
phonemacro 0:9e5a4f845510 10 *
phonemacro 0:9e5a4f845510 11 * The above copyright notice and this permission notice shall be included
phonemacro 0:9e5a4f845510 12 * in all copies or substantial portions of the Software.
phonemacro 0:9e5a4f845510 13 *
phonemacro 0:9e5a4f845510 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
phonemacro 0:9e5a4f845510 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
phonemacro 0:9e5a4f845510 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
phonemacro 0:9e5a4f845510 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
phonemacro 0:9e5a4f845510 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
phonemacro 0:9e5a4f845510 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
phonemacro 0:9e5a4f845510 20 * OTHER DEALINGS IN THE SOFTWARE.
phonemacro 0:9e5a4f845510 21 *
phonemacro 0:9e5a4f845510 22 * Except as contained in this notice, the name of Maxim Integrated
phonemacro 0:9e5a4f845510 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
phonemacro 0:9e5a4f845510 24 * Products, Inc. Branding Policy.
phonemacro 0:9e5a4f845510 25 *
phonemacro 0:9e5a4f845510 26 * The mere transfer of this software does not imply any licenses
phonemacro 0:9e5a4f845510 27 * of trade secrets, proprietary technology, copyrights, patents,
phonemacro 0:9e5a4f845510 28 * trademarks, maskwork rights, or any other form of intellectual
phonemacro 0:9e5a4f845510 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
phonemacro 0:9e5a4f845510 30 * ownership rights.
phonemacro 0:9e5a4f845510 31 **********************************************************************/
phonemacro 0:9e5a4f845510 32
phonemacro 0:9e5a4f845510 33
phonemacro 0:9e5a4f845510 34 #include "mbed.h"
phonemacro 0:9e5a4f845510 35 //#include "max32630fthr.h"
phonemacro 0:9e5a4f845510 36 #include "max32630hsp.h"
phonemacro 0:9e5a4f845510 37 #include "MAX8614X.h"
phonemacro 0:9e5a4f845510 38 #include "USBSerial.h"
phonemacro 7:5b7f7ec9efe0 39 void executeSha256(uint8_t *challenge, unsigned int challengeLen);
phonemacro 7:5b7f7ec9efe0 40 void executeSha(uint32_t *challenge, unsigned int challengeLen);
phonemacro 7:5b7f7ec9efe0 41
phonemacro 0:9e5a4f845510 42
phonemacro 0:9e5a4f845510 43 MAX32630HSP icarus(MAX32630HSP::VIO_1V8);
phonemacro 0:9e5a4f845510 44 // MAX32630FTHR mbed_board(MAX32630FTHR::VIO_1V8);
phonemacro 0:9e5a4f845510 45 SPI spi(P5_1, P5_2, P5_0); /* mosi, miso, sclk */
phonemacro 3:2272f89aad7e 46 //DigitalOut cs(P3_0);
phonemacro 3:2272f89aad7e 47 DigitalOut cs(P5_3);
phonemacro 6:0ec9dd0e8eb0 48 //PinName interrupt_pin = P3_3;
phonemacro 6:0ec9dd0e8eb0 49 //PinnName interrupt_pin = P5_7;
phonemacro 6:0ec9dd0e8eb0 50 //PinName interrupt_pin = P5_5;
phonemacro 6:0ec9dd0e8eb0 51 //PinName interrupt_pin = P3_6;
phonemacro 6:0ec9dd0e8eb0 52 //PinName interrupt_pin = P3_7;
phonemacro 6:0ec9dd0e8eb0 53 //PinName interrupt_pin = P3_2;
phonemacro 6:0ec9dd0e8eb0 54 PinName interrupt_pin = P5_4;
phonemacro 0:9e5a4f845510 55 // Virtual serial port over USB
phonemacro 0:9e5a4f845510 56 USBSerial microUSB;
phonemacro 0:9e5a4f845510 57
phonemacro 0:9e5a4f845510 58 DigitalOut rLED(LED1);
phonemacro 0:9e5a4f845510 59 DigitalOut gLED(LED2);
phonemacro 0:9e5a4f845510 60 DigitalOut bLED(LED3);
phonemacro 0:9e5a4f845510 61 int main()
phonemacro 0:9e5a4f845510 62 {
phonemacro 7:5b7f7ec9efe0 63 #define CHALLENGE_SZ_NO_SECRET 20
phonemacro 7:5b7f7ec9efe0 64 uint32_t challenge_1[5] = { // 160 bit = 5*32 bits
phonemacro 7:5b7f7ec9efe0 65 0x5e813524,
phonemacro 7:5b7f7ec9efe0 66 0x5663d609,
phonemacro 7:5b7f7ec9efe0 67 0x998d7b0d,
phonemacro 7:5b7f7ec9efe0 68 0x52128465,
phonemacro 7:5b7f7ec9efe0 69 0xcd0de301
phonemacro 4:46919eec2c28 70 };
phonemacro 4:46919eec2c28 71
phonemacro 7:5b7f7ec9efe0 72
phonemacro 5:df9f75bee8ac 73 #define MAC_SZ 32
phonemacro 7:5b7f7ec9efe0 74
phonemacro 0:9e5a4f845510 75
phonemacro 0:9e5a4f845510 76 // daplink.printf("daplink serial port\r\n");
phonemacro 0:9e5a4f845510 77 // microUSB.printf("micro USB serial port\r\n");
phonemacro 0:9e5a4f845510 78 rLED = LED_ON;
phonemacro 0:9e5a4f845510 79 gLED = LED_ON;
phonemacro 0:9e5a4f845510 80 bLED = LED_OFF;
phonemacro 0:9e5a4f845510 81
phonemacro 0:9e5a4f845510 82 rLED = LED_OFF;
phonemacro 1:854f8a89a527 83 printf("\r\n\rmax86140 authenication software\r\n");
phonemacro 7:5b7f7ec9efe0 84 // MAX8614X m(spi,cs,interrupt_pin);
phonemacro 7:5b7f7ec9efe0 85 // m.readRegister(MAX8614X::MAX8614X_PART_ID_REG, data, 1);
phonemacro 7:5b7f7ec9efe0 86 // printf("device id should be 0x24, reg %02X = %02X\r\n", MAX8614X::MAX8614X_PART_ID_REG, data[0]);
phonemacro 3:2272f89aad7e 87
phonemacro 7:5b7f7ec9efe0 88 // executeSha256(challenge_1, CHALLENGE_SZ_NO_SECRET);
phonemacro 7:5b7f7ec9efe0 89 executeSha(challenge_1, 5);
phonemacro 5:df9f75bee8ac 90 //● Compare MAC from MAX86140 wth Host's precalculated MAC.
phonemacro 4:46919eec2c28 91 //● Check PASS or FAIL.
phonemacro 4:46919eec2c28 92 //● Disable SHA_EN bit ( Write 0 to SHA_EN bit).
phonemacro 0:9e5a4f845510 93 while(1) {
phonemacro 1:854f8a89a527 94 gLED = !gLED;
phonemacro 0:9e5a4f845510 95 wait(1.0);
phonemacro 0:9e5a4f845510 96 }
phonemacro 0:9e5a4f845510 97 }
phonemacro 0:9e5a4f845510 98
phonemacro 7:5b7f7ec9efe0 99 void transformData(uint8_t *inData, uint8_t *outData, unsigned int challengeLen)
phonemacro 7:5b7f7ec9efe0 100 {
phonemacro 7:5b7f7ec9efe0 101 int i, j, k;
phonemacro 7:5b7f7ec9efe0 102 k = 0;
phonemacro 7:5b7f7ec9efe0 103 for (i = 0; i < (challengeLen/4); i++) {
phonemacro 7:5b7f7ec9efe0 104 for (j = 3; j >= 0; j--) {
phonemacro 7:5b7f7ec9efe0 105 outData[j+(i*4)] = inData[k];
phonemacro 7:5b7f7ec9efe0 106 k++;
phonemacro 7:5b7f7ec9efe0 107 }
phonemacro 7:5b7f7ec9efe0 108 }
phonemacro 7:5b7f7ec9efe0 109 }
phonemacro 7:5b7f7ec9efe0 110
phonemacro 7:5b7f7ec9efe0 111
phonemacro 7:5b7f7ec9efe0 112
phonemacro 7:5b7f7ec9efe0 113 //******************************************************************
phonemacro 7:5b7f7ec9efe0 114 void executeSha(uint32_t *challenge, unsigned int challengeLen)
phonemacro 7:5b7f7ec9efe0 115 {
phonemacro 7:5b7f7ec9efe0 116 int i, j, k, ctr;;
phonemacro 7:5b7f7ec9efe0 117 uint8_t macData[256];
phonemacro 7:5b7f7ec9efe0 118 uint8_t xData[256];
phonemacro 7:5b7f7ec9efe0 119 uint32_t tmpData;
phonemacro 7:5b7f7ec9efe0 120 uint8_t data[5];
phonemacro 7:5b7f7ec9efe0 121 uint8_t romID;
phonemacro 7:5b7f7ec9efe0 122 MAX8614X m(spi,cs,interrupt_pin);
phonemacro 7:5b7f7ec9efe0 123 //● Enable SHA_DONE Interrupt
phonemacro 7:5b7f7ec9efe0 124 m.writeRegister(MAX8614X::MAX8614X_INT_ENABLE2_REG, MAX8614X::MAX8614X_IE_SHA_DONE_EN);
phonemacro 7:5b7f7ec9efe0 125
phonemacro 7:5b7f7ec9efe0 126 m.writeRegister(MAX8614X::MAX8614X_INT_ENABLE1_REG, 0); // Disable all other interrupts
phonemacro 7:5b7f7ec9efe0 127
phonemacro 7:5b7f7ec9efe0 128 //● Enable SHA_EN bit.
phonemacro 7:5b7f7ec9efe0 129 m.writeRegister(MAX8614X::MAX8614X_SHA_CFG_REG,MAX8614X::MAX8614X_SHACFG_SHA_EN);
phonemacro 7:5b7f7ec9efe0 130
phonemacro 7:5b7f7ec9efe0 131 //● Write 160-bit random challenge value to RAM using registers MEM_IDX and MEM_DATA.
phonemacro 7:5b7f7ec9efe0 132 // Enable Memory Write, Select Bank 0, address 0x00 to 0xFF
phonemacro 7:5b7f7ec9efe0 133 m.writeRegister(MAX8614X::MAX8614X_MEMORY_CONTROL_REG, MAX8614X::MAX8614X_MEMCNTRL_WR_EN_MASK | MAX8614X::MAX8614X_MEMCNTRL_BANK0_MASK);
phonemacro 7:5b7f7ec9efe0 134
phonemacro 7:5b7f7ec9efe0 135 printf("\r\n Raw Input Data\r\n\r\n");
phonemacro 7:5b7f7ec9efe0 136 for (i = 0; i < challengeLen; i++) {
phonemacro 7:5b7f7ec9efe0 137 printf("% 08x\r\n", challenge[i]);
phonemacro 7:5b7f7ec9efe0 138 }
phonemacro 7:5b7f7ec9efe0 139 printf("\r\n");
phonemacro 7:5b7f7ec9efe0 140 k = 0;
phonemacro 7:5b7f7ec9efe0 141 for (i = 0; i < (challengeLen); i++) {
phonemacro 7:5b7f7ec9efe0 142 tmpData = challenge[i];
phonemacro 7:5b7f7ec9efe0 143 for (j = 3; j >= 0; j--) {
phonemacro 7:5b7f7ec9efe0 144 xData[k] = tmpData & 0xFF;
phonemacro 7:5b7f7ec9efe0 145 tmpData = tmpData >> 8;
phonemacro 7:5b7f7ec9efe0 146 k++;
phonemacro 7:5b7f7ec9efe0 147 }
phonemacro 7:5b7f7ec9efe0 148 }
phonemacro 7:5b7f7ec9efe0 149
phonemacro 7:5b7f7ec9efe0 150 printf("\r\n Transformed Input Data\r\n\r\n");
phonemacro 7:5b7f7ec9efe0 151 for (i = 0; i < challengeLen*4; i++) {
phonemacro 7:5b7f7ec9efe0 152 if (!(i % 4))
phonemacro 7:5b7f7ec9efe0 153 printf("\r\n ");
phonemacro 7:5b7f7ec9efe0 154
phonemacro 7:5b7f7ec9efe0 155 printf("%02x", xData[i]);
phonemacro 7:5b7f7ec9efe0 156 }
phonemacro 7:5b7f7ec9efe0 157 printf("\r\n ");
phonemacro 7:5b7f7ec9efe0 158 printf("\r\n ");
phonemacro 7:5b7f7ec9efe0 159
phonemacro 7:5b7f7ec9efe0 160 for (i = 0; i < (challengeLen*4); i++) {
phonemacro 7:5b7f7ec9efe0 161 m.writeRegister(MAX8614X::MAX8614X_MEMORY_INDEX_REG, i);
phonemacro 7:5b7f7ec9efe0 162 m.writeRegister(MAX8614X::MAX8614X_MEMORY_DATA_REG, xData[i]);
phonemacro 7:5b7f7ec9efe0 163 }
phonemacro 7:5b7f7ec9efe0 164 printf("%\r\n");
phonemacro 7:5b7f7ec9efe0 165
phonemacro 7:5b7f7ec9efe0 166 // The message block consists of a 160-bit secret, a 160-bit challenge and 192 bits of constant data. Optionally, the 64-bit
phonemacro 7:5b7f7ec9efe0 167 // ROM ID replaces 64 of the 192 bits of constant data used in the hash operation. 16 bits out of the 160-bit secret and 16
phonemacro 7:5b7f7ec9efe0 168 // bits of ROM ID are programmable–8 bits each in metal and 8 bits each in OTP bits
phonemacro 7:5b7f7ec9efe0 169 //● Write command, with ROM ID (0x35) or without ROM ID (0x36), to SHA_CMD register
phonemacro 7:5b7f7ec9efe0 170 m.writeRegister(MAX8614X::MAX8614X_SHA_CMD_REG,MAX8614X::MAX8614X_SHACMD_MAC_ROM_ID);
phonemacro 7:5b7f7ec9efe0 171 // m.writeRegister(MAX8614X::MAX8614X_SHA_CMD_REG,MAX8614X::MAX8614X_SHACMD_MAC_NO_ROM_ID);
phonemacro 7:5b7f7ec9efe0 172
phonemacro 7:5b7f7ec9efe0 173
phonemacro 7:5b7f7ec9efe0 174 m.readRegister(MAX8614X::MAX8614X_INT_STATUS2_REG, data, 1); // clear the status register
phonemacro 7:5b7f7ec9efe0 175 //● Write 1 to SHA_START and 1 to SHA_EN bit.
phonemacro 7:5b7f7ec9efe0 176 m.writeRegister(MAX8614X::MAX8614X_SHA_CFG_REG,MAX8614X::MAX8614X_SHACFG_SHA_EN | MAX8614X::MAX8614X_SHACFG_SHA_START);
phonemacro 7:5b7f7ec9efe0 177
phonemacro 7:5b7f7ec9efe0 178 //● Pole the SHA_DONE interrupt.
phonemacro 7:5b7f7ec9efe0 179 data[0] = 0;
phonemacro 7:5b7f7ec9efe0 180 ctr = 0;
phonemacro 7:5b7f7ec9efe0 181 while(!data[0] && ctr++ < 1000 ) {
phonemacro 7:5b7f7ec9efe0 182 m.readRegister(MAX8614X::MAX8614X_INT_STATUS2_REG, data, 1);
phonemacro 7:5b7f7ec9efe0 183 }
phonemacro 7:5b7f7ec9efe0 184 // ● Read 256 MAC value from RAM using registers MEM_IDX and MEM_DATA.
phonemacro 8:166e2b836050 185 printf("Response Data ");
phonemacro 7:5b7f7ec9efe0 186 if (romID == MAX8614X::MAX8614X_SHACMD_MAC_ROM_ID)
phonemacro 7:5b7f7ec9efe0 187 printf("with ROM ID\r\n");
phonemacro 7:5b7f7ec9efe0 188 else if (romID == MAX8614X::MAX8614X_SHACMD_MAC_NO_ROM_ID)
phonemacro 7:5b7f7ec9efe0 189 printf("with no ROM ID\r\n");
phonemacro 7:5b7f7ec9efe0 190 else
phonemacro 7:5b7f7ec9efe0 191 printf(" The SHA CMD register is incorrect!\r\n");
phonemacro 7:5b7f7ec9efe0 192 for (i = 64; i < 64+32; i++) {
phonemacro 7:5b7f7ec9efe0 193 if (!(i % 4))
phonemacro 7:5b7f7ec9efe0 194 printf("\r\n ");
phonemacro 7:5b7f7ec9efe0 195 m.writeRegister(MAX8614X::MAX8614X_MEMORY_INDEX_REG, i);
phonemacro 7:5b7f7ec9efe0 196 m.readRegister(MAX8614X::MAX8614X_MEMORY_DATA_REG, data, 1);
phonemacro 7:5b7f7ec9efe0 197 macData[i] = data[0];
phonemacro 7:5b7f7ec9efe0 198 printf("%02x", data[0]);
phonemacro 7:5b7f7ec9efe0 199 }
phonemacro 7:5b7f7ec9efe0 200 printf("%\r\n");
phonemacro 7:5b7f7ec9efe0 201 }