void YubikoOtpKeyConfig::setSecretKey(const std::string& pKey) {
BOOST_LOG_NAMED_SCOPE(
"YubikoOtpKeyConfig::setSecretKey( const std::string& pKey)");
string mySecretKey(pKey);
trim(mySecretKey);
if (mySecretKey.size() != K_SEC_KEY_SZ) {
throw WrongConfigValue(WrongConfigValue::EYbkSecretKey, K_SEC_KEY_SZ,
mySecretKey);
}
if (getSecretKey() != pKey) {
yubikey_hex_decode(reinterpret_cast<char*>(itsKey.data()),
mySecretKey.c_str(),
YUBIKEY_KEY_SIZE);
itsChangedFlag = true;
}
}
/**
* Save the key data in a JSON like format. The filename is specified in
* constructor YubikoOtpKeyConfig::YubikoOtpKeyConfig(const string& )
*/
void YubikoOtpKeyConfig::save() {
BOOST_LOG_NAMED_SCOPE("YubikoOtpKeyConfig::save");
const string myOutFile = checkFileName(true);
ptree myTree;
myTree.put(K_NM_DOC_PRIV_ID /*--->*/, getPrivateId());
myTree.put(K_NM_DOC_PUB_ID /*---->*/, getPublicId());
myTree.put(K_NM_DOC_SEC_KEY /*--->*/, getSecretKey());
myTree.put(K_NM_DOC_TIMESTAMP /*->*/, getTimestamp().tstp_int);
myTree.put(K_NM_DOC_SES_CNTR /*-->*/, getCounter());
myTree.put(K_NM_DOC_CRC /*------->*/, getCrc());
myTree.put(K_NM_DOC_RANDOM /*---->*/, getRandom());
myTree.put(K_NM_DOC_USE_CNTR /*-->*/, getUseCounter());
myTree.put(K_NM_DOC_DESC /*------>*/, getDescription());
myTree.put(K_NM_DOC_SYS_USER /*-->*/, getSysUser());
myTree.put(K_NM_DOC_VERS /*------>*/, K_VL_VERS);
write_json(myOutFile, myTree);
itsChangedFlag = false;
}
bool extractPrivateKey(ThreadParams *params) {
PFC *pfc = params->pfc;
clock_t begin_time, begin_time1;
float enc_time, enc_time1, dec_time, dec_time1, dec_time2, ext_time;
G2 P;
G2 Ppub;
G1 Qpriv, Qid;
G1 D;
Big order = pfc->order();
// Specify the ids of the dkgs to contact
//int dkgIds[THRESHOLD] = {1, 2, 3};
//int dkgIds2[THRESHOLD] = {3, 4, 5};
int dkgIds[THRESHOLD];
for(int i = 0; i < THRESHOLD; i++) {
dkgIds[i] = i+1;
}
//TODO: Change this to an id from the scramble extension
/*
ifstream infile("test.txt");
string readoutId;
if (infile.good())
{
getline(infile, readoutId);
cout << "The read out ID is:" << endl << readoutId << endl;
}
infile.close();*/
const char * id = "-3114599686203605494";
//const char * id = readoutId.c_str();
string urls[THRESHOLD];
for (int i = 0; i < THRESHOLD; i++) {
stringstream ss;
ss << DKG_BASE_ADDR << dkgIds[i] << "/";
urls[i] = ss.str();
}
vector <G1> Qprivs;
vector <G2> Ppubs;
DkgResult retParams;
begin_time = clock();
// Before doing the check, concatenate the expiration date
string idString = "";
idString = idString + id;
idString = mapToDate(idString);
(*pfc).hash_and_map(Qid, (char*)idString.c_str());
for (int i = 0; i < THRESHOLD; i++) {
retParams = scrapeDkg(urls[i], (char*)id);
// Get Ppub, P and Qpriv from the PKG's XML message
P = retParams.P;
Qpriv = retParams.Qpriv;
Qprivs.push_back(Qpriv);
Ppub = retParams.Ppub;
Ppubs.push_back(Ppub);
// Verify if the DKG are being honest
GT QprivP = (*pfc).pairing(P, Qpriv);
GT QidPpub = (*pfc).pairing(Ppub, Qid);
if (QprivP != QidPpub) {
cout << "Server " << dkgIds[i] << " is dishonest. Select another DKG to continue the extraction process." << endl;
return false;
}
}
D = getSecretKey(dkgIds, Qprivs, order, pfc);
Ppub = getPpub(dkgIds, Ppubs, order, pfc);
ext_time = getExecutionTime(begin_time);
cout << "Extraction time was " << ext_time << endl << endl;
params->P = P;
params->Ppub = Ppub;
params->D = D;
return true;
}
