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SGXWalletServer.cpp
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SGXWalletServer.cpp
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/*
Copyright (C) 2019-Present SKALE Labs
This file is part of sgxwallet.
sgxwallet is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
sgxwallet is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with sgxwallet. If not, see <https://www.gnu.org/licenses/>.
@file SGXWalletServer.cpp
@author Stan Kladko
@date 2019
*/
#include <chrono>
#include <iostream>
#include <thread>
#include "abstractstubserver.h"
#include <algorithm>
#include <jsonrpccpp/server/connectors/httpserver.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "sgxwallet.h"
#include "sgxwallet_common.h"
#include "BLSCrypto.h"
#include "DKGCrypto.h"
#include "ECDSACrypto.h"
#include "LevelDB.h"
#include "SGXException.h"
#include "TECrypto.h"
#include "SGXWalletServer.h"
#include "SGXWalletServer.hpp"
#include "ServerDataChecker.h"
#include "ServerInit.h"
#include "Log.h"
#ifdef SGX_HW_SIM
#define NUM_THREADS 8
#else
#define NUM_THREADS 200
#endif
using namespace std;
std::shared_timed_mutex sgxInitMutex;
uint64_t initTime;
void setFullOptions(uint64_t _logLevel, int _useHTTPS, int _autoconfirm,
int _enterBackupKey) {
COUNT_STATISTICS
spdlog::info("Entering {}", __FUNCTION__);
CHECK_STATE(_logLevel <= 2)
if (_logLevel == L_TRACE) {
spdlog::set_level(spdlog::level::trace);
} else if (_logLevel == L_DEBUG) {
spdlog::set_level(spdlog::level::debug);
} else {
spdlog::set_level(spdlog::level::info);
}
useHTTPS = _useHTTPS;
spdlog::info("useHTTPS set to " + to_string(_useHTTPS));
autoconfirm = _autoconfirm;
spdlog::info("autoconfirm set to " + to_string(autoconfirm));
enterBackupKey = _enterBackupKey;
spdlog::info("enterBackupKey set to " + to_string(enterBackupKey));
}
void setOptions(uint64_t _logLevel, int _useHTTPS, int _autoconfirm) {
COUNT_STATISTICS
spdlog::info("Entering {}", __FUNCTION__);
setFullOptions(_logLevel, _useHTTPS, _autoconfirm, false);
}
bool isStringDec(const string &_str) {
auto res = find_if_not(_str.begin(), _str.end(),
[](char c) -> bool { return isdigit(c); });
return !_str.empty() && res == _str.end();
}
shared_ptr<SGXWalletServer> SGXWalletServer::server = nullptr;
shared_ptr<HttpServer> SGXWalletServer::httpServer = nullptr;
SGXWalletServer::SGXWalletServer(AbstractServerConnector &_connector,
serverVersion_t _type)
: AbstractStubServer(_connector, _type) {}
void SGXWalletServer::printDB() {
cout << "PRINTING LEVELDB: " << endl;
class MyVisitor : public LevelDB::KeyVisitor {
public:
virtual void visitDBKey(const char *_data) { cout << _data << endl; }
};
MyVisitor v;
LevelDB::getLevelDb()->visitKeys(&v, 100000000);
}
bool SGXWalletServer::verifyCert(string &_certFileName) {
string rootCAPath = string(SGXDATA_FOLDER) + "cert_data/rootCA.pem";
string verifyCert =
"cert/verify_client_cert " + rootCAPath + " " + _certFileName;
return system(verifyCert.c_str()) == 0;
}
void SGXWalletServer::createCertsIfNeeded() {
string rootCAPath = string(SGXDATA_FOLDER) + "cert_data/rootCA.pem";
string keyCAPath = string(SGXDATA_FOLDER) + "cert_data/rootCA.key";
if (access(rootCAPath.c_str(), F_OK) != 0 ||
access(keyCAPath.c_str(), F_OK) != 0) {
spdlog::info("NO ROOT CA CERTIFICATE YET. CREATING ...");
string genRootCACert = "cd cert && ./create_CA";
if (system(genRootCACert.c_str()) == 0) {
spdlog::info("ROOT CA CERTIFICATE IS SUCCESSFULLY GENERATED");
} else {
spdlog::error("ROOT CA CERTIFICATE GENERATION FAILED");
throw SGXException(FAIL_TO_CREATE_CERTIFICATE,
"ROOT CA CERTIFICATE GENERATION FAILED");
}
}
string certPath = string(SGXDATA_FOLDER) + "cert_data/SGXServerCert.crt";
string keyPath = string(SGXDATA_FOLDER) + "cert_data/SGXServerCert.key";
if (access(certPath.c_str(), F_OK) != 0 ||
access(certPath.c_str(), F_OK) != 0) {
spdlog::info("YOU DO NOT HAVE SERVER CERTIFICATE");
spdlog::info("SERVER CERTIFICATE IS GOING TO BE CREATED");
string genCert = "cd cert && ./create_server_cert";
if (system(genCert.c_str()) == 0) {
spdlog::info("SERVER CERTIFICATE IS SUCCESSFULLY GENERATED");
} else {
spdlog::info("SERVER CERTIFICATE GENERATION FAILED");
throw SGXException(FAIL_TO_CREATE_CERTIFICATE,
"SERVER CERTIFICATE GENERATION FAILED");
}
}
spdlog::info("Verifying server cert");
if (verifyCert(certPath)) {
spdlog::info("SERVER CERTIFICATE IS SUCCESSFULLY VERIFIED");
} else {
spdlog::info("SERVER CERTIFICATE VERIFICATION FAILED");
throw SGXException(FAIL_TO_VERIFY_CERTIFICATE,
"SERVER CERTIFICATE VERIFICATION FAILED");
}
}
void SGXWalletServer::initHttpsServer(bool _checkCerts) {
COUNT_STATISTICS
spdlog::info("Entering {}", __FUNCTION__);
spdlog::info("Initing server, number of threads: {}", NUM_THREADS);
string certPath = string(SGXDATA_FOLDER) + "cert_data/SGXServerCert.crt";
string keyPath = string(SGXDATA_FOLDER) + "cert_data/SGXServerCert.key";
string rootCAPath = string(SGXDATA_FOLDER) + "cert_data/rootCA.pem";
string keyCAPath = string(SGXDATA_FOLDER) + "cert_data/rootCA.key";
httpServer = make_shared<HttpServer>(BASE_PORT, certPath, keyPath, rootCAPath,
_checkCerts, NUM_THREADS);
server = make_shared<SGXWalletServer>(
*httpServer,
JSONRPC_SERVER_V2); // hybrid server (json-rpc 1.0 & 2.0)
spdlog::info("Starting sgx server on port {} ...", BASE_PORT);
if (!server->StartListening()) {
spdlog::error("SGX Server could not start listening");
throw SGXException(SGX_SERVER_FAILED_TO_START,
"Https server could not start listening.");
} else {
spdlog::info("SGX Server started on port {}", BASE_PORT);
}
}
void SGXWalletServer::initHttpServer() { // without ssl
COUNT_STATISTICS
spdlog::info("Entering {}", __FUNCTION__);
spdlog::info("Starting sgx http server on port {} ...", BASE_PORT + 3);
httpServer =
make_shared<HttpServer>(BASE_PORT + 3, "", "", "", false, NUM_THREADS);
server = make_shared<SGXWalletServer>(
*httpServer,
JSONRPC_SERVER_V2); // hybrid server (json-rpc 1.0 & 2.0)
if (!server->StartListening()) {
spdlog::error("Server could not start listening");
throw SGXException(SGX_SERVER_FAILED_TO_START,
"Http server could not start listening.");
}
}
int SGXWalletServer::exitServer() {
spdlog::info("Stoping sgx server");
if (server && !server->StopListening()) {
spdlog::error(
"Sgx server could not be stopped. Will forcefully terminate the app");
} else {
spdlog::info("Sgx server stopped");
}
return 0;
}
Json::Value
SGXWalletServer::importBLSKeyShareImpl(const string &_keyShare,
const string &_keyShareName) {
COUNT_STATISTICS
spdlog::info("Entering {}", __FUNCTION__);
INIT_RESULT(result);
result["encryptedKeyShare"] = "";
string encryptedKeyShareHex;
try {
if (!checkName(_keyShareName, "BLS_KEY")) {
throw SGXException(BLS_IMPORT_INVALID_KEY_NAME,
string(__FUNCTION__) + ":Invalid BLS key name");
}
string hashTmp = _keyShare;
if (hashTmp[0] == '0' && (hashTmp[1] == 'x' || hashTmp[1] == 'X')) {
hashTmp.erase(hashTmp.begin(), hashTmp.begin() + 2);
}
if (!checkHex(hashTmp)) {
throw SGXException(BLS_IMPORT_INVALID_KEY_SHARE,
string(__FUNCTION__) +
":Invalid BLS key share, please use hex");
}
encryptedKeyShareHex = encryptBLSKeyShare2Hex(
&errStatus, (char *)errMsg.data(), hashTmp.c_str());
if (errStatus != 0) {
throw SGXException(errStatus, string(__FUNCTION__) + ":" + errMsg.data());
}
if (encryptedKeyShareHex.empty()) {
throw SGXException(BLS_IMPORT_EMPTY_ENCRYPTED_KEY_SHARE,
string(__FUNCTION__) + ":Empty encrypted key share");
}
result["encryptedKeyShare"] = encryptedKeyShareHex;
writeKeyShare(_keyShareName, encryptedKeyShareHex);
}
HANDLE_SGX_EXCEPTION(result)
RETURN_SUCCESS(result);
}
map<string, string> SGXWalletServer::blsRequests;
recursive_mutex SGXWalletServer::blsRequestsLock;
map<string, string> SGXWalletServer::ecdsaRequests;
recursive_mutex SGXWalletServer::ecdsaRequestsLock;
void SGXWalletServer::checkForDuplicate(map<string, string> &_map,
recursive_mutex &_m, const string &_key,
const string &_value) {
LOCK(_m);
if (_map.count(_key) && _map.at(_key) == _value) {
usleep(100 * 1000);
spdlog::warn(string("Received an identical request from the client:") +
__FUNCTION__);
}
_map[_key] = _value;
}
Json::Value SGXWalletServer::blsSignMessageHashImpl(const string &_keyShareName,
const string &_messageHash,
int t, int n) {
spdlog::trace("Entering {}", __FUNCTION__);
COUNT_STATISTICS
INIT_RESULT(result)
result["status"] = -1;
result["signatureShare"] = "";
vector<char> signature(BUF_LEN, 0);
shared_ptr<string> value = nullptr;
checkForDuplicate(blsRequests, blsRequestsLock, _keyShareName, _messageHash);
try {
if (!checkName(_keyShareName, "BLS_KEY")) {
throw SGXException(BLS_SIGN_INVALID_KS_NAME,
string(__FUNCTION__) + ":Invalid BLSKey name");
}
if (!check_n_t(t, n)) {
throw SGXException(BLS_SIGN_INVALID_PARAMS,
string(__FUNCTION__) + ":Invalid t/n parameters");
}
string hashTmp = _messageHash;
if (hashTmp[0] == '0' && (hashTmp[1] == 'x' || hashTmp[1] == 'X')) {
hashTmp.erase(hashTmp.begin(), hashTmp.begin() + 2);
}
if (!checkHex(hashTmp)) {
throw SGXException(INVALID_BLS_HEX,
string(__FUNCTION__) + ":Invalid bls hex");
}
value = readFromDb(_keyShareName);
if (!bls_sign(value->c_str(), hashTmp.c_str(), t, n, signature.data())) {
throw SGXException(COULD_NOT_BLS_SIGN, ":Could not bls sign data ");
}
}
HANDLE_SGX_EXCEPTION(result)
result["signatureShare"] = string(signature.data());
RETURN_SUCCESS(result);
}
Json::Value SGXWalletServer::importECDSAKeyImpl(const string &_keyShare,
const string &_keyShareName) {
COUNT_STATISTICS
spdlog::info("Entering {}", __FUNCTION__);
INIT_RESULT(result)
result["encryptedKey"] = "";
try {
if (!checkECDSAKeyName(_keyShareName)) {
throw SGXException(INVALID_ECDSA_IMPORT_KEY_NAME,
string(__FUNCTION__) +
":Invalid ECDSA import key name");
}
string hashTmp = _keyShare;
if (hashTmp[0] == '0' && (hashTmp[1] == 'x' || hashTmp[1] == 'X')) {
hashTmp.erase(hashTmp.begin(), hashTmp.begin() + 2);
}
if (!checkHex(hashTmp)) {
throw SGXException(INVALID_ECDSA_IMPORT_HEX,
string(__FUNCTION__) +
":Invalid ECDSA key share, please use hex");
}
string encryptedKey = encryptECDSAKey(hashTmp);
writeDataToDB(_keyShareName, encryptedKey);
result["encryptedKey"] = encryptedKey;
result["publicKey"] = getECDSAPubKey(encryptedKey);
}
HANDLE_SGX_EXCEPTION(result)
RETURN_SUCCESS(result);
}
Json::Value SGXWalletServer::generateECDSAKeyImpl() {
COUNT_STATISTICS
spdlog::info("Entering {}", __FUNCTION__);
INIT_RESULT(result)
result["encryptedKey"] = "";
vector<string> keys;
try {
keys = genECDSAKey();
if (keys.size() == 0) {
throw SGXException(ECDSA_GEN_EMPTY_KEY,
string(__FUNCTION__) + ":key was not generated");
}
string keyName = "NEK:" + keys.at(2);
writeDataToDB(keyName, keys.at(0));
result["encryptedKey"] = keys.at(0);
result["publicKey"] = keys.at(1);
result["PublicKey"] = keys.at(1);
result["keyName"] = keyName;
}
HANDLE_SGX_EXCEPTION(result)
RETURN_SUCCESS(result);
}
Json::Value
SGXWalletServer::ecdsaSignMessageHashImpl(int _base, const string &_keyName,
const string &_messageHash) {
COUNT_STATISTICS
spdlog::trace("Entering {}", __FUNCTION__);
INIT_RESULT(result)
result["signature_v"] = "";
result["signature_r"] = "";
result["signature_s"] = "";
vector<string> signatureVector(3);
checkForDuplicate(ecdsaRequests, ecdsaRequestsLock, _keyName, _messageHash);
try {
string hashTmp = _messageHash;
if (hashTmp[0] == '0' && (hashTmp[1] == 'x' || hashTmp[1] == 'X')) {
hashTmp.erase(hashTmp.begin(), hashTmp.begin() + 2);
}
while (hashTmp[0] == '0') {
hashTmp.erase(hashTmp.begin(), hashTmp.begin() + 1);
}
if (!checkECDSAKeyName(_keyName)) {
throw SGXException(INVALID_ECDSA_SIGN_KEY_NAME,
string(__FUNCTION__) + ":Invalid ECDSA sign key name");
}
if (!checkHex(hashTmp)) {
throw SGXException(INVALID_ECDSA_SIGN_HASH, ":Invalid ECDSA sign hash");
}
if (_base <= 0 || _base > 32) {
throw SGXException(INVALID_ECDSA_SIGN_BASE, ":Invalid ECDSA sign base");
}
shared_ptr<string> encryptedKey = readFromDb(_keyName, "");
signatureVector =
ecdsaSignHash(encryptedKey->c_str(), hashTmp.c_str(), _base);
if (signatureVector.size() != 3) {
throw SGXException(INVALID_ECSDA_SIGN_SIGNATURE,
string(__FUNCTION__) + ":Invalid ecdsa signature");
}
result["signature_v"] = signatureVector.at(0);
result["signature_r"] = signatureVector.at(1);
result["signature_s"] = signatureVector.at(2);
}
HANDLE_SGX_EXCEPTION(result)
RETURN_SUCCESS(result)
}
Json::Value SGXWalletServer::getPublicECDSAKeyImpl(const string &_keyName) {
COUNT_STATISTICS
spdlog::debug("Entering {}", __FUNCTION__);
INIT_RESULT(result)
result["publicKey"] = "";
result["PublicKey"] = "";
string publicKey;
try {
if (!checkECDSAKeyName(_keyName)) {
throw SGXException(INVALID_ECDSA_GETPKEY_KEY_NAME,
string(__FUNCTION__) +
":Invalid ECDSA import key name");
}
shared_ptr<string> keyStr = readFromDb(_keyName);
publicKey = getECDSAPubKey(keyStr->c_str());
result["PublicKey"] = publicKey;
result["publicKey"] = publicKey;
}
HANDLE_SGX_EXCEPTION(result)
RETURN_SUCCESS(result)
}
Json::Value SGXWalletServer::generateDKGPolyImpl(const string &_polyName,
int _t) {
COUNT_STATISTICS
spdlog::info("Entering {}", __FUNCTION__);
INIT_RESULT(result)
string encrPolyHex;
try {
if (!checkName(_polyName, "POLY")) {
throw SGXException(INVALID_GEN_DKG_POLY_NAME,
string(__FUNCTION__) +
":Invalid gen DKG polynomial name.");
}
if (_t <= 0 || _t > 32) {
throw SGXException(GENERATE_DKG_POLY_INVALID_PARAMS,
string(__FUNCTION__) + ":Invalid gen dkg param t ");
}
encrPolyHex = gen_dkg_poly(_t);
writeDataToDB(_polyName, encrPolyHex);
}
HANDLE_SGX_EXCEPTION(result)
RETURN_SUCCESS(result)
}
Json::Value SGXWalletServer::getVerificationVectorImpl(const string &_polyName,
int _t) {
COUNT_STATISTICS
spdlog::info("Entering {}", __FUNCTION__);
INIT_RESULT(result)
vector<vector<string>> verifVector;
try {
if (!checkName(_polyName, "POLY")) {
throw SGXException(INVALID_DKG_GETVV_POLY_NAME,
string(__FUNCTION__) + ":Invalid polynomial name");
}
if (_t <= 0) {
throw SGXException(INVALID_DKG_GETVV_PARAMS,
string(__FUNCTION__) + ":Invalid t ");
}
shared_ptr<string> encrPoly = readFromDb(_polyName);
verifVector = get_verif_vect(*encrPoly, _t);
for (int i = 0; i < _t; i++) {
vector<string> currentCoef = verifVector.at(i);
for (int j = 0; j < 4; j++) {
result["verificationVector"][i][j] = currentCoef.at(j);
}
}
}
HANDLE_SGX_EXCEPTION(result)
RETURN_SUCCESS(result)
}
Json::Value SGXWalletServer::getSecretShareImpl(const string &_polyName,
const Json::Value &_pubKeys,
int _t, int _n) {
COUNT_STATISTICS
spdlog::info("Entering {}", __FUNCTION__);
INIT_RESULT(result);
result["secretShare"] = "";
try {
if (_pubKeys.size() != (uint64_t)_n) {
throw SGXException(INVALID_DKG_GETSS_PUB_KEY_COUNT,
string(__FUNCTION__) + ":Invalid pubkey count");
}
if (!checkName(_polyName, "POLY")) {
throw SGXException(INVALID_DKG_GETSS_POLY_NAME,
string(__FUNCTION__) + ":Invalid polynomial name");
}
if (!check_n_t(_t, _n)) {
throw SGXException(INVALID_DKG_GETSS_POLY_NAME,
string(__FUNCTION__) +
":Invalid DKG parameters: n or t ");
}
shared_ptr<string> encrPoly = readFromDb(_polyName);
vector<string> pubKeysStrs;
for (int i = 0; i < _n; i++) {
if (!checkHex(_pubKeys[i].asString(), 64)) {
throw SGXException(INVALID_DKG_GETSS_KEY_HEX,
string(__FUNCTION__) + ":Invalid public key");
}
pubKeysStrs.push_back(_pubKeys[i].asString());
}
string secret_share_name = "encryptedSecretShare:" + _polyName;
shared_ptr<string> encryptedSecretShare =
checkDataFromDb(secret_share_name);
if (encryptedSecretShare != nullptr) {
result["secretShare"] = *encryptedSecretShare.get();
} else {
result["secretShare"] =
getSecretShares(_polyName, encrPoly->c_str(), pubKeysStrs, _t, _n);
}
}
HANDLE_SGX_EXCEPTION(result)
RETURN_SUCCESS(result)
}
Json::Value SGXWalletServer::dkgVerificationImpl(const string &_publicShares,
const string &_ethKeyName,
const string &_secretShare,
int _t, int _n, int _index) {
COUNT_STATISTICS
spdlog::info("Entering {}", __FUNCTION__);
INIT_RESULT(result)
result["result"] = false;
try {
if (!checkECDSAKeyName(_ethKeyName)) {
throw SGXException(INVALID_DKG_VERIFY_ECDSA_KEY_NAME,
string(__FUNCTION__) + ":Invalid ECDSA key name");
}
if (!check_n_t(_t, _n) || _index >= _n || _index < 0) {
throw SGXException(INVALID_DKG_VERIFY_PARAMS,
string(__FUNCTION__) +
":Invalid DKG parameters: n or t ");
}
if (!checkHex(_secretShare, SECRET_SHARE_NUM_BYTES)) {
throw SGXException(INVALID_DKG_VERIFY_SS_HEX,
string(__FUNCTION__) + ":Invalid Secret share");
}
if (_publicShares.length() != (uint64_t)256 * _t) {
throw SGXException(INVALID_DKG_VERIFY_PUBSHARES_LENGTH,
string(__FUNCTION__) +
":Invalid length of public shares");
}
shared_ptr<string> encryptedKeyHex_ptr = readFromDb(_ethKeyName);
if (verifyShares(_publicShares.c_str(), _secretShare.c_str(),
encryptedKeyHex_ptr->c_str(), _t, _n, _index)) {
result["result"] = true;
}
}
HANDLE_SGX_EXCEPTION(result)
RETURN_SUCCESS(result)
}
Json::Value SGXWalletServer::createBLSPrivateKeyImpl(const string &_blsKeyName,
const string &_ethKeyName,
const string &_polyName,
const string &_secretShare,
int _t, int _n) {
COUNT_STATISTICS
spdlog::info("Entering {}", __FUNCTION__);
INIT_RESULT(result)
try {
if (_secretShare.length() != (uint64_t)_n * 192) {
throw SGXException(INVALID_CREATE_BLS_KEY_SECRET_SHARES_LENGTH,
string(__FUNCTION__) + ":Invalid secret share length");
}
if (!checkECDSAKeyName(_ethKeyName)) {
throw SGXException(INVALID_CREATE_BLS_ECDSA_KEY_NAME,
string(__FUNCTION__) + ":Invalid ECDSA key name");
}
if (!checkName(_polyName, "POLY")) {
throw SGXException(INVALID_CREATE_BLS_POLY_NAME,
string(__FUNCTION__) + ":Invalid polynomial name");
}
if (!checkName(_blsKeyName, "BLS_KEY")) {
throw SGXException(INVALID_CREATE_BLS_KEY_NAME,
string(__FUNCTION__) + ":Invalid BLS key name");
}
if (!check_n_t(_t, _n)) {
throw SGXException(INVALID_CREATE_BLS_DKG_PARAMS,
string(__FUNCTION__) +
":Invalid DKG parameters: n or t ");
}
vector<string> sshares_vect;
shared_ptr<string> encryptedKeyHex_ptr = readFromDb(_ethKeyName);
CHECK_STATE(encryptedKeyHex_ptr);
bool res = createBLSShare(_blsKeyName, _secretShare.c_str(),
encryptedKeyHex_ptr->c_str());
if (res) {
spdlog::info("BLS KEY SHARE CREATED ");
} else {
throw SGXException(INVALID_CREATE_BLS_SHARE,
string(__FUNCTION__) +
":Error while creating BLS key share");
}
for (int i = 0; i < _n; i++) {
string name = _polyName + "_" + to_string(i) + ":";
LevelDB::getLevelDb()->deleteDHDKGKey(name);
string shareG2_name = "shareG2_" + _polyName + "_" + to_string(i) + ":";
LevelDB::getLevelDb()->deleteKey(shareG2_name);
}
LevelDB::getLevelDb()->deleteKey(_polyName);
string encryptedSecretShareName = "encryptedSecretShare:" + _polyName;
LevelDB::getLevelDb()->deleteKey(encryptedSecretShareName);
}
HANDLE_SGX_EXCEPTION(result)
RETURN_SUCCESS(result);
}
Json::Value
SGXWalletServer::getBLSPublicKeyShareImpl(const string &_blsKeyName) {
COUNT_STATISTICS
spdlog::info("Entering {}", __FUNCTION__);
INIT_RESULT(result)
try {
if (!checkName(_blsKeyName, "BLS_KEY")) {
throw SGXException(INVALID_GET_BLS_PUBKEY_NAME,
string(__FUNCTION__) + ":Invalid BLSKey name");
}
shared_ptr<string> encryptedKeyHex_ptr = readFromDb(_blsKeyName);
vector<string> public_key_vect = getBLSPubKey(encryptedKeyHex_ptr->c_str());
for (uint8_t i = 0; i < 4; i++) {
result["blsPublicKeyShare"][i] = public_key_vect.at(i);
}
}
HANDLE_SGX_EXCEPTION(result)
RETURN_SUCCESS(result);
}
Json::Value
SGXWalletServer::calculateAllBLSPublicKeysImpl(const Json::Value &publicShares,
int t, int n) {
COUNT_STATISTICS
spdlog::info("Entering {}", __FUNCTION__);
INIT_RESULT(result)
try {
if (!check_n_t(t, n)) {
throw SGXException(INVALID_DKG_CALCULATE_ALL_PARAMS,
string(__FUNCTION__) +
":Invalid DKG parameters: n or t ");
}
if (!publicShares.isArray()) {
throw SGXException(INVALID_DKG_CALCULATE_ALL_PUBSHARES,
string(__FUNCTION__) +
":Invalid public shares format");
}
if (publicShares.size() != (uint64_t)n) {
throw SGXException(INVALID_DKG_CALCULATE_ALL_PUBSHARES_SIZE,
string(__FUNCTION__) +
":Invalid length of public shares");
}
for (int i = 0; i < n; ++i) {
if (!publicShares[i].isString()) {
throw SGXException(INVALID_DKG_CALCULATE_ALL_PUBSHARES_STRING,
string(__FUNCTION__) +
":Invalid public shares string");
}
if (publicShares[i].asString().length() != (uint64_t)256 * t) {
throw SGXException(INVALID_DKG_CALCULATE_ALL_STRING_PUBSHARES_SLENGTH,
string(__FUNCTION__) +
";Invalid length of public shares parts");
}
}
vector<string> public_shares(n);
for (int i = 0; i < n; ++i) {
public_shares[i] = publicShares[i].asString();
}
vector<string> public_keys = calculateAllBlsPublicKeys(public_shares);
if (public_keys.size() != (uint64_t)n) {
throw SGXException(INVALID_DKG_CALCULATE_ALL_STRING_PUBKEYS_SIZE,
string(__FUNCTION__) + ":Invalid pubkeys array size");
}
for (int i = 0; i < n; ++i) {
result["publicKeys"][i] = public_keys[i];
}
}
HANDLE_SGX_EXCEPTION(result)
RETURN_SUCCESS(result);
}
Json::Value SGXWalletServer::complaintResponseImpl(const string &_polyName,
int _t, int _n, int _ind) {
COUNT_STATISTICS
spdlog::info("Entering {}", __FUNCTION__);
INIT_RESULT(result)
try {
if (!checkName(_polyName, "POLY")) {
throw SGXException(INVALID_COMPLAINT_RESPONSE_POLY_NAME,
string(__FUNCTION__) + ":Invalid polynomial name");
}
string shareG2_name = "shareG2_" + _polyName + "_" + to_string(_ind) + ":";
string DHKey = decryptDHKey(_polyName, _ind);
shared_ptr<string> shareG2_ptr = readFromDb(shareG2_name);
CHECK_STATE(shareG2_ptr);
result["share*G2"] = *shareG2_ptr;
result["dhKey"] = DHKey;
shared_ptr<string> encrPoly = readFromDb(_polyName);
auto verificationVectorMult =
getVerificationVectorMult(encrPoly->c_str(), _t, _n, _ind);
for (int i = 0; i < _t; i++) {
vector<string> currentCoef = verificationVectorMult.at(i);
for (int j = 0; j < 4; j++) {
result["verificationVectorMult"][i][j] = currentCoef.at(j);
}
}
for (int i = 0; i < _n; i++) {
string name = _polyName + "_" + to_string(i) + ":";
LevelDB::getLevelDb()->deleteDHDKGKey(name);
string shareG2_name = "shareG2_" + _polyName + "_" + to_string(i) + ":";
LevelDB::getLevelDb()->deleteKey(shareG2_name);
}
LevelDB::getLevelDb()->deleteKey(_polyName);
string encryptedSecretShareName = "encryptedSecretShare:" + _polyName;
LevelDB::getLevelDb()->deleteKey(encryptedSecretShareName);
}
HANDLE_SGX_EXCEPTION(result)
RETURN_SUCCESS(result);
}
Json::Value SGXWalletServer::multG2Impl(const string &_x) {
COUNT_STATISTICS
INIT_RESULT(result)
try {
auto xG2_vect = mult_G2(_x);
for (uint8_t i = 0; i < 4; i++) {
result["x*G2"][i] = xG2_vect.at(i);
}
}
HANDLE_SGX_EXCEPTION(result)
RETURN_SUCCESS(result);
}
Json::Value SGXWalletServer::isPolyExistsImpl(const string &_polyName) {
COUNT_STATISTICS
spdlog::info("Entering {}", __FUNCTION__);
INIT_RESULT(result)
result["IsExist"] = false;
try {
shared_ptr<string> poly_str_ptr =
LevelDB::getLevelDb()->readString(_polyName);
if (poly_str_ptr != nullptr) {
result["IsExist"] = true;
}
}
HANDLE_SGX_EXCEPTION(result)
RETURN_SUCCESS(result);
}
Json::Value SGXWalletServer::getServerStatusImpl(){
COUNT_STATISTICS INIT_RESULT(result) RETURN_SUCCESS(result)}
Json::Value SGXWalletServer::getServerVersionImpl() {
COUNT_STATISTICS
INIT_RESULT(result)
result["version"] = TOSTRING(SGXWALLET_VERSION);
RETURN_SUCCESS(result)
}
Json::Value SGXWalletServer::deleteBlsKeyImpl(const string &name) {
COUNT_STATISTICS
spdlog::info("Entering {}", __FUNCTION__);
INIT_RESULT(result)
result["deleted"] = false;
try {
if (!checkName(name, "BLS_KEY")) {
throw SGXException(DELETE_BLS_KEY_INVALID_KEYNAME,
string(__FUNCTION__) + ":Invalid BLSKey name format");
}
shared_ptr<string> bls_ptr = LevelDB::getLevelDb()->readString(name);
if (bls_ptr != nullptr) {
LevelDB::getLevelDb()->deleteKey(name);
result["deleted"] = true;
} else {
auto error_msg = "BLS key not found: " + name;
throw SGXException(DELETE_BLS_KEY_NOT_FOUND,
string(__FUNCTION__) + ":" + error_msg.c_str());
}
}
HANDLE_SGX_EXCEPTION(result)
RETURN_SUCCESS(result)
}
Json::Value SGXWalletServer::getSecretShareV2Impl(const string &_polyName,
const Json::Value &_pubKeys,
int _t, int _n) {
COUNT_STATISTICS
spdlog::info("Entering {}", __FUNCTION__);
INIT_RESULT(result);
result["secretShare"] = "";
try {
if (_pubKeys.size() != (uint64_t)_n) {
throw SGXException(INVALID_DKG_GETSS_V2_PUBKEY_COUNT,
string(__FUNCTION__) +
":Invalid number of public keys");
}
if (!checkName(_polyName, "POLY")) {
throw SGXException(INVALID_DKG_GETSS_V2_POLY_NAME,
string(__FUNCTION__) + ":Invalid polynomial name");
}
if (!check_n_t(_t, _n)) {
throw SGXException(INVALID_DKG_GETSS_V2_PUBKEY_COUNT,
string(__FUNCTION__) +
":Invalid DKG parameters: n or t ");
}
shared_ptr<string> encrPoly = readFromDb(_polyName);
vector<string> pubKeysStrs;
for (int i = 0; i < _n; i++) {
if (!checkHex(_pubKeys[i].asString(), 64)) {
throw SGXException(INVALID_DKG_GETSS_V2_PUBKEY_HEX,
string(__FUNCTION__) + ":Invalid public key");
}
pubKeysStrs.push_back(_pubKeys[i].asString());
}
string secret_share_name = "encryptedSecretShare:" + _polyName;
shared_ptr<string> encryptedSecretShare =
checkDataFromDb(secret_share_name);
if (encryptedSecretShare != nullptr) {
result["secretShare"] = *encryptedSecretShare.get();
} else {
string s =
getSecretSharesV2(_polyName, encrPoly->c_str(), pubKeysStrs, _t, _n);
result["secretShare"] = s;
}
}
HANDLE_SGX_EXCEPTION(result)
RETURN_SUCCESS(result)
}
Json::Value SGXWalletServer::dkgVerificationV2Impl(const string &_publicShares,
const string &_ethKeyName,
const string &_secretShare,
int _t, int _n, int _index) {
COUNT_STATISTICS
spdlog::info("Entering {}", __FUNCTION__);
INIT_RESULT(result)
result["result"] = false;
try {
if (!checkECDSAKeyName(_ethKeyName)) {
throw SGXException(INVALID_DKG_VV_V2_ECDSA_KEY_NAME,
string(__FUNCTION__) + ":Invalid ECDSA key name");
}
if (!check_n_t(_t, _n) || _index >= _n || _index < 0) {
throw SGXException(INVALID_DKG_VV_V2_PARAMS,
string(__FUNCTION__) +
":Invalid DKG parameters: n or t ");
}
if (!checkHex(_secretShare, SECRET_SHARE_NUM_BYTES)) {
throw SGXException(INVALID_DKG_VV_V2_SS_HEX,
string(__FUNCTION__) + ":Invalid Secret share");
}
if (_publicShares.length() != (uint64_t)256 * _t) {
throw SGXException(INVALID_DKG_VV_V2_SS_COUNT,
string(__FUNCTION__) +
":Invalid count of public shares");
}
shared_ptr<string> encryptedKeyHex_ptr = readFromDb(_ethKeyName);