Files
U2FDevice/U2F_Init_CMD.cpp
Michael Kuc 48840ad36c Added resumable loading, along with signal handling.
This version can store state after receiving SIGINT.
This is achieved by polling FIFO read state;
2018-08-09 20:23:23 +00:00

34 lines
936 B
C++

#include "U2F_Init_CMD.hpp"
#include <stdexcept>
#include "u2f.hpp"
#include "Field.hpp"
using namespace std;
U2F_Init_CMD::U2F_Init_CMD(const shared_ptr<U2FMessage> uMsg)
{
if (uMsg->cmd != U2FHID_INIT)
throw runtime_error{ "Failed to get U2F Init message" };
else if (uMsg->data.size() != INIT_NONCE_SIZE)
throw runtime_error{ "Init nonce is incorrect size" };
this->nonce = *reinterpret_cast<const uint64_t*>(uMsg->data.data());
}
void U2F_Init_CMD::respond(const uint32_t channelID) const
{
U2FMessage msg{};
msg.cid = CID_BROADCAST;
msg.cmd = U2FHID_INIT;
msg.data.insert(msg.data.end(), FIELD(this->nonce));
msg.data.insert(msg.data.end(), FIELD(channelID));
msg.data.push_back(2); //Protocol version
msg.data.push_back(1); //Major device version
msg.data.push_back(0); //Minor device version
msg.data.push_back(1); //Build device version
msg.data.push_back(CAPFLAG_WINK); //Wink capability
msg.write();
}