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ensure device goes into idle even on error #70

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ensure device goes into idle even on error #70

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45 changes: 22 additions & 23 deletions src/ECCX08.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -173,48 +173,47 @@ int ECCX08Class::random(byte data[], size_t length)

int ECCX08Class::generatePrivateKey(int slot, byte publicKey[])
{
int result = 0;

if (!wakeup()) {
return 0;
}

if (!sendCommand(0x40, 0x04, slot)) {
return 0;
}

delay(115);
if (sendCommand(0x40, 0x04, slot)) {
delay(115);

if (!receiveResponse(publicKey, 64)) {
return 0;
if (receiveResponse(publicKey, 64)) {
delay(1);
result = 1;
}
}

delay(1);

idle();

return 1;
return result;
}

int ECCX08Class::generatePublicKey(int slot, byte publicKey[])
{
if (!wakeup()) {
return 0;
}

if (!sendCommand(0x40, 0x00, slot)) {
int result = 0;

if (!wakeup())
{
return 0;
}

delay(115);
if (sendCommand(0x40, 0x00, slot))
{
delay(115);

if (!receiveResponse(publicKey, 64)) {
return 0;
if (receiveResponse(publicKey, 64))
{
delay(1);
result = 1;
}
}

delay(1);

idle();

return 1;
return result;
}

int ECCX08Class::ecdsaVerify(const byte message[], const byte signature[], const byte pubkey[])
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