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fixed: don't authenticate a button when the secret is not stored in the eeprom

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This commit is contained in:
Bob 2016-06-05 23:50:36 +02:00
parent 69f438207d
commit d3cfe7e904
1 changed files with 6 additions and 5 deletions
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11
bitlair_doorduino/bitlair_doorduino.ino
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@ -286,8 +286,12 @@ void ListButtons()
#define RANDOMDELAY_MIN 50 #define RANDOMDELAY_MIN 50
#define RANDOMDELAY_MAX 200 #define RANDOMDELAY_MAX 200
bool AuthenticateButton(uint8_t* addr, uint8_t* secret) bool AuthenticateButton(uint8_t* addr)
{ {
uint8_t secret[SECRETSIZE];
if (!GetButtonSecret(addr, secret))
return false;
uint8_t mac_from_ibutton[SHA1SIZE]; uint8_t mac_from_ibutton[SHA1SIZE];
uint8_t data[32]; uint8_t data[32];
uint8_t nonce[3]; uint8_t nonce[3];
@ -560,10 +564,7 @@ void loop()
Serialprintf("%02x", addr[i]); Serialprintf("%02x", addr[i]);
Serial.print('\n'); Serial.print('\n');
uint8_t secret[SECRETSIZE]; if (AuthenticateButton(addr))
GetButtonSecret(addr, secret);
if (AuthenticateButton(addr, secret))
{ {
SetLEDState(LEDState_Authorized); SetLEDState(LEDState_Authorized);
Serial.print("iButton authenticated\n"); Serial.print("iButton authenticated\n");