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Support for ATECCA608B Cryptographic Coprocessor

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This commit is contained in:
Thomas Göttgens
2022-10-13 12:55:28 +02:00
parent 7f05298172
commit a7fe69ed6b
5 changed files with 58 additions and 0 deletions
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42
src/detect/i2cScan.h
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@@ -9,6 +9,39 @@
#endif
#if HAS_WIRE
void printATECCInfo()
{
atecc.readConfigZone(false);
DEBUG_MSG("ATECC608B Serial Number: ");
for (int i = 0 ; i < 9 ; i++) {
DEBUG_MSG("%02x",atecc.serialNumber[i]);
}
DEBUG_MSG(", Rev Number: ");
for (int i = 0 ; i < 4 ; i++) {
DEBUG_MSG("%02x",atecc.revisionNumber[i]);
}
DEBUG_MSG("\n");
DEBUG_MSG("ATECC608B Config %s",atecc.configLockStatus ? "Locked" : "Unlocked");
DEBUG_MSG(", Data %s",atecc.dataOTPLockStatus ? "Locked" : "Unlocked");
DEBUG_MSG(", Slot 0 %s\n",atecc.slot0LockStatus ? "Locked" : "Unlocked");
if (atecc.configLockStatus && atecc.dataOTPLockStatus && atecc.slot0LockStatus) {
if (atecc.generatePublicKey() == false) {
DEBUG_MSG("ATECC608B Error generating public key\n");
} else {
DEBUG_MSG("ATECC608B Public Key: ");
for (int i = 0 ; i < 64 ; i++) {
DEBUG_MSG("%02x",atecc.publicKey64Bytes[i]);
}
DEBUG_MSG("\n");
}
}
}
uint16_t getRegisterValue(uint8_t address, uint8_t reg, uint8_t length) {
uint16_t value = 0x00;
Wire.beginTransmission(address);
@@ -79,6 +112,15 @@ void scanI2Cdevice(void)
DEBUG_MSG("unknown display found\n");
}
}
if (addr == ATECC608B_ADDR){
keystore_found = addr;
if (atecc.begin(keystore_found) == true) {
DEBUG_MSG("ATECC608B initialized\n");
} else {
DEBUG_MSG("ATECC608B initialization failed\n");
}
printATECCInfo();
}
#ifdef RV3028_RTC
if (addr == RV3028_RTC){
rtc_found = addr;