Skip to content

S
sgxwallet
Unverified Commit d1af3589 authored by Stan Kladko's avatar Stan Kladko Committed by GitHub
Browse files
Options

Merge pull request #176 from skalenetwork/SKALE-3205 

Skale 3205
parents da89bfe3 24667d66
Expand all Hide whitespace changes
Inline Side-by-side
Showing with 467 additions and 292 deletions
BLSCrypto.cpp
View file @ d1af3589
......@@ -29,14 +29,12 @@
#include "third_party/intel/create_enclave.h"
#include "bls.h"
#include <bls/BLSutils.h>
#include "BLSPrivateKeyShareSGX.h"
#include "sgxwallet_common.h"
#include "sgxwallet.h"
#include "SGXException.h"
......@@ -44,8 +42,10 @@
#include "common.h"
#include "SGXWalletServer.h"
#include "BLSCrypto.h"
#include "SEKManager.h"
#include "LevelDB.h"
#include "ServerInit.h"
#include "BLSCrypto.h"
string *FqToString(libff::alt_bn128_Fq *_fq) {
......@@ -57,7 +57,7 @@ string *FqToString(libff::alt_bn128_Fq *_fq) {
_fq->as_bigint().to_mpz(t);
SAFE_CHAR_BUF(arr,mpz_sizeinbase(t, 10) + 2);
SAFE_CHAR_BUF(arr, mpz_sizeinbase(t, 10) + 2);
mpz_get_str(arr, 10, t);
mpz_clear(t);
......@@ -86,7 +86,7 @@ void carray2Hex(const unsigned char *d, uint64_t _len, char *_hexArray,
CHECK_STATE(_hexArrayLen > 2 * _len);
for (int j = 0; j < _len; j++) {
for (uint64_t j = 0; j < _len; j++) {
_hexArray[j * 2] = hexval[((d[j] >> 4) & 0xF)];
_hexArray[j * 2 + 1] = hexval[(d[j]) & 0x0F];
}
......@@ -95,9 +95,8 @@ void carray2Hex(const unsigned char *d, uint64_t _len, char *_hexArray,
}
bool hex2carray(const char *_hex, uint64_t *_bin_len,
uint8_t *_bin, uint64_t _max_length) {
uint8_t *_bin, uint64_t _max_length) {
CHECK_STATE(_hex);
......@@ -105,11 +104,11 @@ bool hex2carray(const char *_hex, uint64_t *_bin_len,
CHECK_STATE(_bin_len)
int len = strnlen(_hex, 2 * _max_length + 1);
uint64_t len = strnlen(_hex, 2 * _max_length + 1);
CHECK_STATE(len != 2 * _max_length + 1);
CHECK_STATE(len <= 2 * _max_length );
CHECK_STATE(len <= 2 * _max_length);
if (len == 0 && len % 2 == 1)
......@@ -117,7 +116,7 @@ bool hex2carray(const char *_hex, uint64_t *_bin_len,
*_bin_len = len / 2;
for (int i = 0; i < len / 2; i++) {
for (uint64_t i = 0; i < len / 2; i++) {
int high = char2int((char) _hex[i * 2]);
int low = char2int((char) _hex[i * 2 + 1]);
......@@ -141,7 +140,8 @@ bool sign(const char *_encryptedKeyHex, const char *_hashHex, size_t _t, size_t
auto keyStr = make_shared<string>(_encryptedKeyHex);
auto hash = make_shared<array<uint8_t, 32>>();
auto hash = make_shared < array < uint8_t,
32 >> ();
uint64_t binLen;
......@@ -166,7 +166,8 @@ bool sign_aes(const char *_encryptedKeyHex, const char *_hashHex, size_t _t, siz
CHECK_STATE(_hashHex);
CHECK_STATE(_sig);
auto hash = make_shared<array<uint8_t, 32>>();
auto hash = make_shared < array < uint8_t,
32 >> ();
uint64_t binLen;
......@@ -174,10 +175,10 @@ bool sign_aes(const char *_encryptedKeyHex, const char *_hashHex, size_t _t, siz
throw SGXException(INVALID_HEX, "Invalid hash");
}
shared_ptr<signatures::Bls> obj;
shared_ptr <signatures::Bls> obj;
obj = make_shared<signatures::Bls>(signatures::Bls(_t, _n));
pair<libff::alt_bn128_G1, string> hash_with_hint = obj->HashtoG1withHint(hash);
pair <libff::alt_bn128_G1, string> hash_with_hint = obj->HashtoG1withHint(hash);
string *xStr = FqToString(&(hash_with_hint.first.X));
......@@ -190,11 +191,9 @@ bool sign_aes(const char *_encryptedKeyHex, const char *_hashHex, size_t _t, siz
BOOST_THROW_EXCEPTION(runtime_error("Null yStr"));
}
vector<char> errMsg(BUF_LEN,0);
vector<char> errMsg(BUF_LEN, 0);
SAFE_CHAR_BUF(xStrArg,BUF_LEN);
SAFE_CHAR_BUF(yStrArg,BUF_LEN);
SAFE_CHAR_BUF(signature,BUF_LEN);
SAFE_CHAR_BUF(xStrArg, BUF_LEN);SAFE_CHAR_BUF(yStrArg, BUF_LEN);SAFE_CHAR_BUF(signature, BUF_LEN);
strncpy(xStrArg, xStr->c_str(), BUF_LEN);
strncpy(yStrArg, yStr->c_str(), BUF_LEN);
......@@ -204,7 +203,7 @@ bool sign_aes(const char *_encryptedKeyHex, const char *_hashHex, size_t _t, siz
size_t sz = 0;
SAFE_UINT8_BUF(encryptedKey,BUF_LEN);
SAFE_UINT8_BUF(encryptedKey, BUF_LEN);
bool result = hex2carray(_encryptedKeyHex, &sz, encryptedKey, BUF_LEN);
......@@ -213,9 +212,16 @@ bool sign_aes(const char *_encryptedKeyHex, const char *_hashHex, size_t _t, siz
}
int errStatus = 0;
sgx_status_t status =
trustedBlsSignMessageAES(eid, &errStatus, errMsg.data(), encryptedKey,
sz, xStrArg, yStrArg, signature);
sgx_status_t status = SGX_SUCCESS;
RESTART_BEGIN
status = trustedBlsSignMessageAES(eid, &errStatus, errMsg.data(), encryptedKey,
sz, xStrArg, yStrArg, signature);
RESTART_END
HANDLE_TRUSTED_FUNCTION_ERROR(status, errStatus, errMsg.data());
string hint = BLSutils::ConvertToString(hash_with_hint.first.Y) + ":" + hash_with_hint.second;
......@@ -240,16 +246,22 @@ string encryptBLSKeyShare2Hex(int *errStatus, char *err_string, const char *_key
CHECK_STATE(errStatus);
CHECK_STATE(err_string);
CHECK_STATE(_key);
auto keyArray = make_shared<vector<char>>(BUF_LEN, 0);
auto encryptedKey = make_shared<vector<uint8_t>>(BUF_LEN, 0);
auto keyArray = make_shared < vector < char >> (BUF_LEN, 0);
auto encryptedKey = make_shared < vector < uint8_t >> (BUF_LEN, 0);
vector<char> errMsg(BUF_LEN, 0);
strncpy(keyArray->data(), _key, BUF_LEN);
*errStatus = 0;
unsigned int encryptedLen = 0;
sgx_status_t status = trustedEncryptKeyAES(eid, errStatus, errMsg.data(), keyArray->data(), encryptedKey->data(), &encryptedLen);
uint64_t encryptedLen = 0;
sgx_status_t status = SGX_SUCCESS;
RESTART_BEGIN
status = trustedEncryptKeyAES(eid, errStatus, errMsg.data(), keyArray->data(), encryptedKey->data(),
&encryptedLen);
RESTART_END
HANDLE_TRUSTED_FUNCTION_ERROR(status, *errStatus, errMsg.data());
......
BLSPrivateKeyShareSGX.cpp
View file @ d1af3589
......@@ -26,15 +26,14 @@
#include "BLSutils.h"
#include "third_party/spdlog/spdlog.h"
#include "common.h"
#include "secure_enclave_u.h"
#include "sgxwallet_common.h"
#include "sgxwallet.h"
#include "BLSCrypto.h"
#include "ServerInit.h"
#include "common.h"
#include "SEKManager.h"
#include "BLSPrivateKeyShareSGX.h"
string *stringFromFq(libff::alt_bn128_Fq *_fq) {
......@@ -148,9 +147,12 @@ string BLSPrivateKeyShareSGX::signWithHelperSGXstr(
BOOST_THROW_EXCEPTION(invalid_argument("Invalid hex encrypted key"));
}
sgx_status_t status =
trustedBlsSignMessageAES(eid, &errStatus, errMsg.data(), encryptedKey,
encryptedKeyHex->size() / 2, xStrArg, yStrArg, signature);
sgx_status_t status = SGX_SUCCESS;
RESTART_BEGIN
status = trustedBlsSignMessageAES(eid, &errStatus, errMsg.data(), encryptedKey,
encryptedKeyHex->size() / 2, xStrArg, yStrArg, signature);
RESTART_END
HANDLE_TRUSTED_FUNCTION_ERROR(status, errStatus, errMsg.data());
......@@ -162,7 +164,7 @@ string BLSPrivateKeyShareSGX::signWithHelperSGXstr(
}
string hint = BLSutils::ConvertToString(hash_with_hint.first.Y) + ":" +
hash_with_hint.second;
hash_with_hint.second;
string sig = signature;
......@@ -183,7 +185,7 @@ shared_ptr <BLSSigShare> BLSPrivateKeyShareSGX::signWithHelperSGX(
auto sig = make_shared<string>(signature);
shared_ptr <BLSSigShare> s = make_shared<BLSSigShare>(sig, _signerIndex, requiredSigners,
totalSigners);
totalSigners);
return s;
}
DKGCrypto.cpp
View file @ d1af3589
......@@ -26,22 +26,15 @@
#include <memory>
#include "third_party/spdlog/spdlog.h"
#include "common.h"
#include "sgxwallet.h"
#include "SGXException.h"
#include "common.h"
#include "SGXWalletServer.hpp"
#include "DKGCrypto.h"
#include "SGXWalletServer.hpp"
#include "BLSCrypto.h"
#include "SEKManager.h"
#include "DKGCrypto.h"
vector <string> splitString(const char *coeffs, const char symbol) {
CHECK_STATE(coeffs);
......@@ -71,7 +64,7 @@ string ConvertToString(T field_elem, int base = 10) {
field_elem.as_bigint().to_mpz(t);
SAFE_CHAR_BUF(arr,mpz_sizeinbase(t, base) + 2);
SAFE_CHAR_BUF(arr, mpz_sizeinbase(t, base) + 2);
mpz_get_str(arr, base, t);
mpz_clear(t);
......@@ -93,7 +86,7 @@ string convertHexToDec(const string &hex_str) {
return ret;
}
SAFE_CHAR_BUF(arr,mpz_sizeinbase(dec, 10) + 2);
SAFE_CHAR_BUF(arr, mpz_sizeinbase(dec, 10) + 2);
mpz_get_str(arr, 10, dec);
ret = arr;
} catch (exception &e) {
......@@ -135,13 +128,18 @@ string convertG2ToString(const libff::alt_bn128_G2 &elem, int base, const string
string gen_dkg_poly(int _t) {
vector<char> errMsg(BUF_LEN, 0);
int errStatus = 0;
uint32_t enc_len = 0;
uint64_t enc_len = 0;
vector <uint8_t> encrypted_dkg_secret(BUF_LEN, 0);
sgx_status_t status = SGX_SUCCESS;
RESTART_BEGIN
status = trustedGenDkgSecretAES(
eid, &errStatus, errMsg.data(), encrypted_dkg_secret.data(), &enc_len, _t);
RESTART_END
sgx_status_t status = trustedGenDkgSecretAES(eid, &errStatus, errMsg.data(), encrypted_dkg_secret.data(), &enc_len, _t);
HANDLE_TRUSTED_FUNCTION_ERROR(status, errStatus, errMsg.data());
uint64_t length = enc_len;;
......@@ -173,9 +171,14 @@ vector <vector<string>> get_verif_vect(const char *encryptedPolyHex, int t, int
}
sgx_status_t status = SGX_SUCCESS;
RESTART_BEGIN
status = trustedGetPublicSharesAES(eid, &errStatus, errMsg.data(), encrDKGPoly.data(), encLen,
pubShares.data(), t, n);
RESTART_END
sgx_status_t status = trustedGetPublicSharesAES(eid, &errStatus, errMsg.data(), encrDKGPoly.data(), encLen,
pubShares.data(), t, n);
HANDLE_TRUSTED_FUNCTION_ERROR(status, errStatus, errMsg.data());
vector <string> g2Strings = splitString(pubShares.data(), ',');
......@@ -190,8 +193,8 @@ vector <vector<string>> get_verif_vect(const char *encryptedPolyHex, int t, int
string
getSecretShares(const string &_polyName, const char *_encryptedPolyHex, const vector <string> &_publicKeys,
int _t,
int _n) {
int _t,
int _n) {
CHECK_STATE(_encryptedPolyHex);
......@@ -202,19 +205,23 @@ getSecretShares(const string &_polyName, const char *_encryptedPolyHex, const ve
uint64_t encLen = 0;
if (!hex2carray(_encryptedPolyHex, &encLen, encrDKGPoly.data(), BUF_LEN)) {
throw SGXException(INVALID_HEX, "Invalid encryptedPolyHex");
}
sgx_status_t status = trustedSetEncryptedDkgPolyAES(eid, &errStatus, errMsg1.data(), encrDKGPoly.data(), encLen);
sgx_status_t status = SGX_SUCCESS;
READ_LOCK(initMutex);
status = trustedSetEncryptedDkgPolyAES(eid, &errStatus, errMsg1.data(), encrDKGPoly.data(), encLen);
HANDLE_TRUSTED_FUNCTION_ERROR(status, errStatus, errMsg1.data());
string result;
for (int i = 0; i < _n; i++) {
vector <uint8_t> encryptedSkey(BUF_LEN, 0);
uint32_t decLen;
uint64_t decLen;
vector<char> currentShare(193, 0);
vector<char> sShareG2(320, 0);
......@@ -226,8 +233,11 @@ getSecretShares(const string &_polyName, const char *_encryptedPolyHex, const ve
spdlog::debug("pubKeyB is {}", pub_keyB);
sgx_status_t status = trustedGetEncryptedSecretShareAES(eid, &errStatus, errMsg1.data(), encryptedSkey.data(), &decLen,
currentShare.data(), sShareG2.data(), pubKeyB.data(), _t, _n, i + 1);
sgx_status_t status = SGX_SUCCESS;
status = trustedGetEncryptedSecretShareAES(eid, &errStatus, errMsg1.data(), encryptedSkey.data(), &decLen,
currentShare.data(), sShareG2.data(), pubKeyB.data(), _t, _n,
i + 1);
HANDLE_TRUSTED_FUNCTION_ERROR(status, errStatus, errMsg1.data());
spdlog::debug("cur_share is {}", currentShare.data());
......@@ -271,11 +281,16 @@ verifyShares(const char *publicShares, const char *encr_sshare, const char *encr
throw SGXException(INVALID_HEX, "Invalid encryptedPolyHex");
}
SAFE_CHAR_BUF(pshares,8193);
SAFE_CHAR_BUF(pshares, 8193);
strncpy(pshares, publicShares, strlen(publicShares));
sgx_status_t status = trustedDkgVerifyAES(eid, &errStatus, errMsg.data(), pshares, encr_sshare, encr_key, decKeyLen, t,
ind, &result);
sgx_status_t status = SGX_SUCCESS;
RESTART_BEGIN
status = trustedDkgVerifyAES(eid, &errStatus, errMsg.data(), pshares, encr_sshare, encr_key, decKeyLen, t,
ind, &result);
RESTART_END
HANDLE_TRUSTED_FUNCTION_ERROR(status, errStatus, errMsg.data());
if (result == 2) {
......@@ -290,24 +305,26 @@ bool createBLSShare(const string &blsKeyName, const char *s_shares, const char *
CHECK_STATE(s_shares);
CHECK_STATE(encryptedKeyHex);
vector<char> errMsg(BUF_LEN,0);
vector<char> errMsg(BUF_LEN, 0);
int errStatus = 0;
uint64_t decKeyLen;
SAFE_UINT8_BUF(encr_bls_key,BUF_LEN);
SAFE_UINT8_BUF(encr_key,BUF_LEN);
uint64_t decKeyLen;SAFE_UINT8_BUF(encr_bls_key, BUF_LEN);SAFE_UINT8_BUF(encr_key, BUF_LEN);
if (!hex2carray(encryptedKeyHex, &decKeyLen, encr_key, BUF_LEN)) {
throw SGXException(INVALID_HEX, "Invalid encryptedKeyHex");
}
uint32_t enc_bls_len = 0;
uint64_t enc_bls_len = 0;
sgx_status_t status = trustedCreateBlsKeyAES(eid, &errStatus, errMsg.data(), s_shares, encr_key, decKeyLen, encr_bls_key,
&enc_bls_len);
sgx_status_t status = SGX_SUCCESS;
RESTART_BEGIN
status = trustedCreateBlsKeyAES(eid, &errStatus, errMsg.data(), s_shares, encr_key, decKeyLen, encr_bls_key,
&enc_bls_len);
RESTART_END
HANDLE_TRUSTED_FUNCTION_ERROR(status, errStatus, errMsg.data());
SAFE_CHAR_BUF(hexBLSKey,2 * BUF_LEN)
SAFE_CHAR_BUF(hexBLSKey, 2 * BUF_LEN)
carray2Hex(encr_bls_key, enc_bls_len, hexBLSKey, 2 * BUF_LEN);
......@@ -331,9 +348,15 @@ vector <string> getBLSPubKey(const char *encryptedKeyHex) {
throw SGXException(INVALID_HEX, "Invalid encryptedKeyHex");
}
SAFE_CHAR_BUF(pubKey,320)
SAFE_CHAR_BUF(pubKey, 320)
sgx_status_t status = SGX_SUCCESS;
RESTART_BEGIN
status = trustedGetBlsPubKeyAES(eid, &errStatus, errMsg1.data(), encrKey, decKeyLen, pubKey);
RESTART_END
sgx_status_t status = trustedGetBlsPubKeyAES(eid, &errStatus, errMsg1.data(), encrKey, decKeyLen, pubKey);
HANDLE_TRUSTED_FUNCTION_ERROR(status, errStatus, errMsg1.data());
vector <string> pubKeyVect = splitString(pubKey, ':');
......@@ -405,8 +428,7 @@ string decryptDHKey(const string &polyName, int ind) {
vector<char> hexEncrKey(2 * BUF_LEN, 0);
uint64_t dhEncLen = 0;
SAFE_UINT8_BUF(encryptedDHKey, BUF_LEN);
uint64_t dhEncLen = 0;SAFE_UINT8_BUF(encryptedDHKey, BUF_LEN);
if (!hex2carray(hexEncrKeyPtr->c_str(), &dhEncLen, encryptedDHKey, BUF_LEN)) {
throw SGXException(INVALID_HEX, "Invalid hexEncrKey");
}
......@@ -415,7 +437,11 @@ string decryptDHKey(const string &polyName, int ind) {
SAFE_CHAR_BUF(DHKey, ECDSA_SKEY_LEN);
sgx_status_t status = trustedDecryptKeyAES(eid, &errStatus, errMsg1.data(), encryptedDHKey, dhEncLen, DHKey);
sgx_status_t status = SGX_SUCCESS;
RESTART_BEGIN
status = trustedDecryptKeyAES(eid, &errStatus, errMsg1.data(), encryptedDHKey, dhEncLen, DHKey);
RESTART_END
HANDLE_TRUSTED_FUNCTION_ERROR(status, errStatus, errMsg1.data());
return DHKey;
......
ECDSACrypto.cpp
View file @ d1af3589
......@@ -38,6 +38,7 @@
#include "BLSCrypto.h"
#include "SEKManager.h"
#include "ECDSACrypto.h"
void fillRandomBuffer(vector<unsigned char> &_buffer) {
......@@ -54,11 +55,15 @@ vector <string> genECDSAKey() {
vector<char> pub_key_x(BUF_LEN, 0);
vector<char> pub_key_y(BUF_LEN, 0);
uint32_t enc_len = 0;
uint64_t enc_len = 0;
sgx_status_t status = SGX_SUCCESS;
sgx_status_t status = trustedGenerateEcdsaKeyAES(eid, &errStatus,
errMsg.data(), encr_pr_key.data(), &enc_len,
pub_key_x.data(), pub_key_y.data());
RESTART_BEGIN
status = trustedGenerateEcdsaKeyAES(eid, &errStatus,
errMsg.data(), encr_pr_key.data(), &enc_len,
pub_key_x.data(), pub_key_y.data());
RESTART_END
HANDLE_TRUSTED_FUNCTION_ERROR(status, errStatus,errMsg.data());
......@@ -99,8 +104,12 @@ string getECDSAPubKey(const std::string& _encryptedKeyHex) {
throw SGXException(INVALID_HEX, "Invalid encryptedKeyHex");
}
sgx_status_t status = trustedGetPublicEcdsaKeyAES(eid, &errStatus,
errMsg.data(), encrPrKey.data(), enc_len, pubKeyX.data(), pubKeyY.data());
sgx_status_t status = SGX_SUCCESS;
RESTART_BEGIN
status = trustedGetPublicEcdsaKeyAES(eid, &errStatus,
errMsg.data(), encrPrKey.data(), enc_len, pubKeyX.data(), pubKeyY.data());
RESTART_END
HANDLE_TRUSTED_FUNCTION_ERROR(status, errStatus, errMsg.data())
......@@ -184,10 +193,14 @@ vector <string> ecdsaSignHash(const std::string& encryptedKeyHex, const char *ha
throw SGXException(INVALID_HEX, "Invalid encryptedKeyHex");
}
sgx_status_t status = trustedEcdsaSignAES(eid, &errStatus,
errMsg.data(), encryptedKey.data(), decLen, hashHex,
signatureR.data(),
signatureS.data(), &signatureV, base);
sgx_status_t status = SGX_SUCCESS;
RESTART_BEGIN
status = trustedEcdsaSignAES(eid, &errStatus,
errMsg.data(), encryptedKey.data(), decLen, hashHex,
signatureR.data(),
signatureS.data(), &signatureV, base);
RESTART_END
HANDLE_TRUSTED_FUNCTION_ERROR(status, errStatus, errMsg.data());
......
SEKManager.cpp
View file @ d1af3589
......@@ -21,21 +21,25 @@
@date 2020
*/
#include "SEKManager.h"
#include "SGXException.h"
#include "BLSCrypto.h"
#include "LevelDB.h"
#include <fstream>
#include <iostream>
#include <algorithm>
#include "third_party/spdlog/spdlog.h"
#include "sgxwallet_common.h"
#include "common.h"
#include "sgxwallet.h"
#include "SGXException.h"
#include "BLSCrypto.h"
#include "LevelDB.h"
#include "ServerDataChecker.h"
#include "third_party/spdlog/spdlog.h"
#include "ServerInit.h"
#include "SEKManager.h"
using namespace std;
......@@ -52,13 +56,18 @@ bool case_insensitive_match(string s1, string s2) {
void create_test_key() {
int errStatus = 0;
vector<char> errMsg(1024, 0);
uint32_t enc_len;
uint64_t enc_len;
SAFE_UINT8_BUF(encrypted_key, BUF_LEN);
string key = TEST_VALUE;
sgx_status_t status = trustedEncryptKeyAES(eid, &errStatus, errMsg.data(), key.c_str(), encrypted_key, &enc_len);
sgx_status_t status = SGX_SUCCESS;
{
READ_LOCK(initMutex);
status = trustedEncryptKeyAES(eid, &errStatus, errMsg.data(), key.c_str(), encrypted_key, &enc_len);
}
HANDLE_TRUSTED_FUNCTION_ERROR(status, errStatus, errMsg.data());
......@@ -86,7 +95,12 @@ void validate_SEK() {
exit(-1);
}
sgx_status_t status = trustedDecryptKeyAES(eid, &err_status, errMsg.data(), encr_test_key.data(), len, decr_key.data());
sgx_status_t status = SGX_SUCCESS;
{
READ_LOCK(initMutex);
status = trustedDecryptKeyAES(eid, &err_status, errMsg.data(), encr_test_key.data(), len, decr_key.data());
}
HANDLE_TRUSTED_FUNCTION_ERROR(status, err_status, errMsg.data());
......@@ -109,15 +123,21 @@ shared_ptr <vector<uint8_t>> check_and_set_SEK(const string &SEK) {
auto encrypted_SEK = make_shared < vector < uint8_t >> (BUF_LEN, 0);
uint32_t l = 0;
uint64_t l = 0;
sgx_status_t status = trustedSetSEK_backup(eid, &err_status, errMsg.data(), encrypted_SEK->data(), &l,
SEK.c_str());
sgx_status_t status = SGX_SUCCESS;
{
READ_LOCK(initMutex);
status = trustedSetSEK_backup(eid, &err_status, errMsg.data(), encrypted_SEK->data(), &l,
SEK.c_str());
}
encrypted_SEK->resize(l);
HANDLE_TRUSTED_FUNCTION_ERROR(status, err_status, errMsg.data());
encrypted_SEK->resize(l);
validate_SEK();
return encrypted_SEK;
......@@ -127,13 +147,18 @@ void gen_SEK() {
vector<char> errMsg(1024, 0);
int err_status = 0;
vector <uint8_t> encrypted_SEK(1024, 0);
uint32_t enc_len = 0;
uint64_t enc_len = 0;
SAFE_CHAR_BUF(SEK, 65);
spdlog::info("Generating backup key. Will be stored in backup_key.txt ... ");
sgx_status_t status = trustedGenerateSEK(eid, &err_status, errMsg.data(), encrypted_SEK.data(), &enc_len, SEK);
sgx_status_t status = SGX_SUCCESS;
{
status = trustedGenerateSEK(eid, &err_status, errMsg.data(), encrypted_SEK.data(), &enc_len, SEK);
}
HANDLE_TRUSTED_FUNCTION_ERROR(status, err_status, errMsg.data());
......@@ -184,6 +209,13 @@ void gen_SEK() {
}
void reinitEnclave() {
WRITE_LOCK(initMutex);
initEnclave();
shared_ptr <string> encrypted_SEK_ptr = LevelDB::getLevelDb()->readString("SEK");
setSEK(encrypted_SEK_ptr);
}
void setSEK(shared_ptr <string> hex_encrypted_SEK) {
CHECK_STATE(hex_encrypted_SEK);
......@@ -200,7 +232,10 @@ void setSEK(shared_ptr <string> hex_encrypted_SEK) {
throw SGXException(INVALID_HEX, "Invalid encrypted SEK Hex");
}
sgx_status_t status = trustedSetSEK(eid, &err_status, errMsg.data(), encrypted_SEK);
sgx_status_t status = SGX_SUCCESS;
{
status = trustedSetSEK(eid, &err_status, errMsg.data(), encrypted_SEK);
}
HANDLE_TRUSTED_FUNCTION_ERROR(status, err_status, errMsg.data());
......
SEKManager.h
View file @ d1af3589
......@@ -45,4 +45,11 @@ EXTERNC void enter_SEK();
EXTERNC void initSEK();
EXTERNC void setSEK();
EXTERNC void reinitEnclave();
#endif //SGXD_SEKMANAGER_H
SGXWalletServer.cpp
View file @ d1af3589
......@@ -54,6 +54,9 @@
using namespace std;
std::shared_timed_mutex initMutex;
uint64_t initTime;
void setFullOptions(uint64_t _logLevel, int _useHTTPS, int _autoconfirm, int _enterBackupKey) {
spdlog::info("Entering {}", __FUNCTION__);
......@@ -563,7 +566,7 @@ Json::Value SGXWalletServer::calculateAllBLSPublicKeysImpl(const Json::Value& pu
vector<string> public_keys = calculateAllBlsPublicKeys(public_shares);
if (public_keys.size() != n) {
if (public_keys.size() != (uint64_t)n) {
throw SGXException(UNKNOWN_ERROR, "");
}
......
ServerInit.cpp
View file @ d1af3589
......@@ -57,6 +57,8 @@
#include "SGXException.h"
#include "SGXWalletServer.hpp"
uint32_t enclaveLogLevel = 0;
void initUserSpace() {
libff::inhibit_profiling_counters = true;
......@@ -66,9 +68,8 @@ void initUserSpace() {
LevelDB::initDataFolderAndDBs();
}
void initEnclave(uint32_t _logLevel) {
eid = 0;
updated = 0;
void initEnclave() {
#ifndef SGX_HW_SIM
unsigned long support;
......@@ -81,22 +82,38 @@ void initEnclave(uint32_t _logLevel) {
spdlog::info("SGX_DEBUG_FLAG = {}", SGX_DEBUG_FLAG);
sgx_status_t status = sgx_create_enclave_search(ENCLAVE_NAME, SGX_DEBUG_FLAG, &token,
&updated, &eid, 0);
sgx_status_t status = SGX_SUCCESS;
if (status != SGX_SUCCESS) {
if (status == SGX_ERROR_ENCLAVE_FILE_ACCESS) {
spdlog::error("sgx_create_enclave: {}: file not found", ENCLAVE_NAME);
spdlog::error("Did you forget to set LD_LIBRARY_PATH?");
} else {
spdlog::error("sgx_create_enclave_search failed {} {}", ENCLAVE_NAME, status);
{
WRITE_LOCK(initMutex);
if (eid != 0) {
if (sgx_destroy_enclave(eid) != SGX_SUCCESS) {
spdlog::error("Could not destroy enclave");
return;
}
}
exit(1);
}
spdlog::info("Enclave created and started successfully");
eid = 0;
updated = 0;
status = trustedEnclaveInit(eid, _logLevel);
status = sgx_create_enclave_search(ENCLAVE_NAME, SGX_DEBUG_FLAG, &token,
&updated, &eid, 0);
if (status != SGX_SUCCESS) {
if (status == SGX_ERROR_ENCLAVE_FILE_ACCESS) {
spdlog::error("sgx_create_enclave: {}: file not found", ENCLAVE_NAME);
spdlog::error("Did you forget to set LD_LIBRARY_PATH?");
} else {
spdlog::error("sgx_create_enclave_search failed {} {}", ENCLAVE_NAME, status);
}
exit(1);
}
spdlog::info("Enclave created and started successfully");
status = trustedEnclaveInit(eid, enclaveLogLevel);
}
if (status != SGX_SUCCESS) {
spdlog::error("trustedEnclaveInit failed: {}", status);
......@@ -107,10 +124,13 @@ void initEnclave(uint32_t _logLevel) {
}
void initAll(uint32_t _logLevel, bool _checkCert, bool _autoSign) {
static atomic<bool> sgxServerInited(false);
static mutex initMutex;
enclaveLogLevel = _logLevel;
lock_guard <mutex> lock(initMutex);
......@@ -123,7 +143,8 @@ void initAll(uint32_t _logLevel, bool _checkCert, bool _autoSign) {
CHECK_STATE(sgxServerInited != 1)
sgxServerInited = 1;
initEnclave(_logLevel);
initEnclave();
initUserSpace();
initSEK();
......@@ -146,6 +167,6 @@ void initAll(uint32_t _logLevel, bool _checkCert, bool _autoSign) {
exception_ptr p = current_exception();
printf("Exception %s \n", p.__cxa_exception_type()->name());
spdlog::error("Unknown exception");
exit (-1);
exit(-1);
}
};
ServerInit.h
View file @ d1af3589
......@@ -36,7 +36,7 @@ EXTERNC void initAll(uint32_t _logLevel, bool _checkCert, bool _autoSign);
EXTERNC void initUserSpace();
EXTERNC void initEnclave(uint32_t _logLevel);
EXTERNC void initEnclave();
......
VERSION
View file @ d1af3589
1.58.1
\ No newline at end of file
1.58.2
\ No newline at end of file
common.h
View file @ d1af3589
......@@ -96,5 +96,20 @@ BOOST_THROW_EXCEPTION(runtime_error(__ERR_STRING__)); \
#define SAFE_CHAR_BUF(__X__, __Y__) ;char __X__ [ __Y__ ]; memset(__X__, 0, __Y__);
#define SAFE_UINT8_BUF(__X__, __Y__) ;uint8_t __X__ [ __Y__ ]; memset(__X__, 0, __Y__);
#include <shared_mutex>
extern std::shared_timed_mutex initMutex;
extern uint64_t initTime;
#if SGX_MODE == SIM
#define ENCLAVE_RESTART_PERIOD_S 5
#else
#define ENCLAVE_RESTART_PERIOD_S 60 * 10
#endif
#define READ_LOCK(__X__) std::shared_lock<std::shared_timed_mutex> __LOCK__(__X__);
#define WRITE_LOCK(__X__) std::unique_lock<std::shared_timed_mutex> __LOCK__(__X__);
#endif //SGXWALLET_COMMON_H
secure_enclave/AESUtils.c
View file @ d1af3589
......@@ -27,12 +27,24 @@
#include "stdlib.h"
#include <string.h>
#include "AESUtils.h"
sgx_aes_gcm_128bit_key_t AES_key;
sgx_aes_gcm_128bit_key_t AES_DH_key;
int AES_encrypt(char *message, uint8_t *encr_message, uint64_t encrLen) {
#define SAFE_CHAR_BUF(__X__, __Y__) ;char __X__ [ __Y__ ]; memset(__X__, 0, __Y__);
int AES_encrypt(char *message, uint8_t *encr_message, uint64_t encrBufLen, unsigned char type,
unsigned char exportable, uint64_t* resultLen) {
if (!type) {
LOG_ERROR("Null type in AES_encrypt");
return -1;
}
if (!message) {
LOG_ERROR("Null message in AES_encrypt");
......@@ -46,23 +58,36 @@ int AES_encrypt(char *message, uint8_t *encr_message, uint64_t encrLen) {
uint64_t len = strlen(message) + 1;
if (len + SGX_AESGCM_MAC_SIZE + SGX_AESGCM_IV_SIZE > encrLen ) {
if (2 + len + SGX_AESGCM_MAC_SIZE + SGX_AESGCM_IV_SIZE > encrBufLen ) {
LOG_ERROR("Output buffer too small");
return -3;
}
SAFE_CHAR_BUF(fullMessage, len + 2);
fullMessage[0] = type;
fullMessage[1] = exportable;
strncpy(fullMessage + 2, message, len );
len = len + 2;
message = fullMessage;
sgx_read_rand(encr_message + SGX_AESGCM_MAC_SIZE, SGX_AESGCM_IV_SIZE);
sgx_status_t status = sgx_rijndael128GCM_encrypt(&AES_key, (uint8_t*)message, strlen(message),
sgx_status_t status = sgx_rijndael128GCM_encrypt(&AES_key, (uint8_t*)message, len,
encr_message + SGX_AESGCM_MAC_SIZE + SGX_AESGCM_IV_SIZE,
encr_message + SGX_AESGCM_MAC_SIZE, SGX_AESGCM_IV_SIZE,
NULL, 0,
(sgx_aes_gcm_128bit_tag_t *) encr_message);
*resultLen = len + SGX_AESGCM_MAC_SIZE + SGX_AESGCM_IV_SIZE;
return status;
}
int AES_decrypt(uint8_t *encr_message, uint64_t length, char *message, uint64_t msgLen) {
int AES_decrypt(uint8_t *encr_message, uint64_t length, char *message, uint64_t msgLen,
uint8_t *type, uint8_t* exportable){
if (!message) {
LOG_ERROR("Null message in AES_encrypt");
......@@ -74,6 +99,16 @@ int AES_decrypt(uint8_t *encr_message, uint64_t length, char *message, uint64_t
return -2;
}
if (!type) {
LOG_ERROR("Null type in AES_encrypt");
return -3;
}
if (!encr_message) {
LOG_ERROR("Null exportable in AES_encrypt");
return -4;
}
if (length < SGX_AESGCM_MAC_SIZE + SGX_AESGCM_IV_SIZE) {
LOG_ERROR("length < SGX_AESGCM_MAC_SIZE - SGX_AESGCM_IV_SIZE");
......@@ -96,86 +131,11 @@ int AES_decrypt(uint8_t *encr_message, uint64_t length, char *message, uint64_t
NULL, 0,
(sgx_aes_gcm_128bit_tag_t *)encr_message);
return status;
}
int AES_encrypt_DH(char *message, uint8_t *encr_message, uint64_t encrLen) {
if (!message) {
LOG_ERROR("Null message in AES_encrypt_DH");
return -1;
}
if (!encr_message) {
LOG_ERROR("Null encr message in AES_encrypt_DH");
return -2;
}
uint64_t len = strlen(message) + 1;
if (len + SGX_AESGCM_MAC_SIZE + SGX_AESGCM_IV_SIZE > encrLen ) {
LOG_ERROR("Output buffer too small");
return -3;
}
sgx_read_rand(encr_message + SGX_AESGCM_MAC_SIZE, SGX_AESGCM_IV_SIZE);
sgx_status_t status = sgx_rijndael128GCM_encrypt(&AES_DH_key, (uint8_t*)message, strlen(message),
encr_message + SGX_AESGCM_MAC_SIZE + SGX_AESGCM_IV_SIZE,
encr_message + SGX_AESGCM_MAC_SIZE, SGX_AESGCM_IV_SIZE,
NULL, 0,
(sgx_aes_gcm_128bit_tag_t *) encr_message);
return status;
}
int AES_decrypt_DH(uint8_t *encr_message, uint64_t length, char *message, uint64_t msgLen) {
if (!message) {
LOG_ERROR("Null message in AES_encrypt_DH");
return -1;
}
if (!encr_message) {
LOG_ERROR("Null encr message in AES_encrypt_DH");
return -2;
}
if (length < SGX_AESGCM_MAC_SIZE + SGX_AESGCM_IV_SIZE) {
LOG_ERROR("length < SGX_AESGCM_MAC_SIZE - SGX_AESGCM_IV_SIZE");
return -1;
}
uint64_t len = length - SGX_AESGCM_MAC_SIZE - SGX_AESGCM_IV_SIZE;
if (msgLen < len) {
LOG_ERROR("Output buffer not large enough");
return -2;
}
sgx_status_t status = sgx_rijndael128GCM_decrypt(&AES_DH_key,
encr_message + SGX_AESGCM_MAC_SIZE + SGX_AESGCM_IV_SIZE, len,
(unsigned char*) message,
encr_message + SGX_AESGCM_MAC_SIZE, SGX_AESGCM_IV_SIZE,
NULL, 0,
(sgx_aes_gcm_128bit_tag_t *)encr_message);
return status;
}
*type = message[0];
*exportable = message[1];
for (int i = 2; i < strlen(message) + 1; i++) {
message[i - 2 ] = message[i];
}
void derive_DH_Key() {
memcpy(AES_DH_key, AES_key, SGX_AESGCM_KEY_SIZE );
/*AES_DH_key[1] = 1;AES_DH_key[2] = 2;*/
return status;
}
secure_enclave/AESUtils.h
View file @ d1af3589
......@@ -25,15 +25,21 @@
#define SGXD_AESUTILS_H
extern sgx_aes_gcm_128bit_key_t AES_key;
extern sgx_aes_gcm_128bit_key_t AES_DH_key;
int AES_encrypt(char *message, uint8_t *encr_message, uint64_t encrLen);
int AES_decrypt(uint8_t *encr_message, uint64_t length, char *message, uint64_t msgLen) ;
int AES_encrypt(char *message, uint8_t *encr_message, uint64_t encrLen,
unsigned char type, unsigned char exportable, uint64_t* resultLen);
int AES_decrypt(uint8_t *encr_message, uint64_t length, char *message, uint64_t msgLen,
uint8_t *type, uint8_t* exportable) ;
int AES_encrypt_DH(char *message, uint8_t *encr_message, uint64_t encrLen);
int AES_decrypt_DH(uint8_t *encr_message, uint64_t length, char *message, uint64_t msgLen) ;
void derive_DH_Key();
#define ECDSA '1'
#define BLS '2'
#define DKG '3'
#define EXPORTABLE '1'
#define NON_EXPORTABLE '2'
#endif //SGXD_AESUTILS_H
secure_enclave/secure_enclave.c
View file @ d1af3589
This diff is collapsed.
secure_enclave/secure_enclave.edl
View file @ d1af3589
......@@ -11,14 +11,14 @@ enclave {
trusted {
include "sgx_tgmp.h"
public void trustedEnclaveInit(uint32_t _logLevel);
public void trustedEnclaveInit(uint64_t _logLevel);
public void trustedGenerateSEK(
[out] int *errStatus,
[out, count = SMALL_BUF_SIZE] char *err_string,
[out, count = SMALL_BUF_SIZE] uint8_t *encrypted_SEK,
[out] uint32_t *enc_len,
[out] uint64_t *enc_len,
[out, count = 65] char* hex_SEK);
public void trustedSetSEK(
......@@ -30,14 +30,14 @@ enclave {
[out] int *errStatus,
[out, count = SMALL_BUF_SIZE] char *err_string,
[out, count = SMALL_BUF_SIZE] uint8_t *encrypted_SEK,
[out] uint32_t *enc_len,
[out] uint64_t *enc_len,
[in, string] const char* SEK_hex);
public void trustedGenerateEcdsaKeyAES (
[out] int *errStatus,
[out, count = SMALL_BUF_SIZE] char* err_string,
[out, count = SMALL_BUF_SIZE] uint8_t* encrypted_key,
[out] uint32_t *enc_len,
[out] uint64_t *enc_len,
[out, count = SMALL_BUF_SIZE] char * pub_key_x,
[out, count = SMALL_BUF_SIZE] char * pub_key_y);
......@@ -45,7 +45,7 @@ enclave {
[out] int *errStatus,
[out, count = SMALL_BUF_SIZE] char* err_string,
[in, count = SMALL_BUF_SIZE] uint8_t* encrypted_key,
uint32_t dec_len,
uint64_t dec_len,
[out, count = SMALL_BUF_SIZE] char * pub_key_x,
[out, count = SMALL_BUF_SIZE] char * pub_key_y);
......@@ -53,7 +53,7 @@ enclave {
[out] int *errStatus,
[out, count = SMALL_BUF_SIZE] char* err_string,
[in, count = SMALL_BUF_SIZE] uint8_t* encrypted_key,
uint32_t enc_len,
uint64_t enc_len,
[in, string] const char* hash,
[out, count = SMALL_BUF_SIZE] char* sig_r,
[out, count = SMALL_BUF_SIZE] char* sig_s,
......@@ -65,26 +65,26 @@ enclave {
[out, count = SMALL_BUF_SIZE] char* err_string,
[in, count = SMALL_BUF_SIZE] const char* key,
[out, count = SMALL_BUF_SIZE] uint8_t* encrypted_key,
[out] uint32_t *enc_len);
[out] uint64_t *enc_len);
public void trustedDecryptKeyAES (
[out] int *errStatus,
[out, count = SMALL_BUF_SIZE] char* err_string,
[in, count = SMALL_BUF_SIZE] uint8_t* encrypted_key,
uint32_t enc_len,
uint64_t enc_len,
[out, count = SMALL_BUF_SIZE] char* key );
public void trustedGenDkgSecretAES (
[out] int *errStatus,
[out, count = SMALL_BUF_SIZE] char* err_string,
[out, count = 3072] uint8_t* encrypted_dkg_secret,
[out] uint32_t * enc_len, size_t _t);
[out] uint64_t * enc_len, size_t _t);
public void trustedDecryptDkgSecretAES (
[out] int *errStatus,
[out, count = SMALL_BUF_SIZE] char* err_string,
[in, count = 3050] uint8_t* encrypted_dkg_secret,
uint32_t enc_len,
uint64_t enc_len,
[out, count = 3072] uint8_t* decrypted_dkg_secret
);
......@@ -92,13 +92,13 @@ enclave {
[out] int *errStatus,
[out, count = SMALL_BUF_SIZE] char* err_string,
[in, count = 3050] uint8_t* encrypted_poly,
uint32_t enc_len);
uint64_t enc_len);
public void trustedGetEncryptedSecretShareAES(
[out]int *errStatus,
[out, count = SMALL_BUF_SIZE] char *err_string,
[out, count = SMALL_BUF_SIZE] uint8_t *encrypted_skey,
[out] uint32_t* dec_len,
[out] uint64_t* dec_len,
[out, count = 193] char* result_str,
[out, count = 320] char* s_shareG2,
[in, string] char* pub_keyB,
......@@ -110,7 +110,7 @@ enclave {
[out] int *errStatus,
[out, count = SMALL_BUF_SIZE] char* err_string,
[in, count = 3050] uint8_t* encrypted_dkg_secret,
uint32_t enc_len,
uint64_t enc_len,
[out, count = 10000] char* public_shares,
unsigned _t,
unsigned _n);
......@@ -133,13 +133,13 @@ enclave {
[in, count = SMALL_BUF_SIZE] uint8_t* encrypted_key,
uint64_t key_len,
[out, count = SMALL_BUF_SIZE] uint8_t * encr_bls_key,
[out] uint32_t *enc_bls_key_len);
[out] uint64_t *enc_bls_key_len);
public void trustedBlsSignMessageAES (
[out] int *errStatus,
[out, count = TINY_BUF_SIZE] char* err_string,
[in, count = TINY_BUF_SIZE] uint8_t* encrypted_key,
uint32_t enc_len,
uint64_t enc_len,
[in, string] char* hashX ,
[in, string] char* hashY,
[out, count = SMALL_BUF_SIZE] char* signature);
......
sgxwallet_common.h
View file @ d1af3589
......@@ -109,4 +109,23 @@ extern bool autoconfirm;
#define TEST_VALUE "1234567890"
#define RESTART_BEGIN \
int __ATTEMPTS__ = 0; \
do {\
__ATTEMPTS__++; \
{\
READ_LOCK(initMutex);
#define RESTART_END \
} \
if (status != SGX_SUCCESS) { \
spdlog::error(__FUNCTION__); \
spdlog::error("Restarting sgx ..."); \
reinitEnclave(); \
} \
} while (status != SGX_SUCCESS && __ATTEMPTS__ < 2);
#endif //SGXWALLET_SGXWALLET_COMMON_H
testw.cpp
View file @ d1af3589
......@@ -127,7 +127,7 @@ TEST_CASE_METHOD(TestFixture, "ECDSA AES keygen and signature test", "[ecdsa-aes
vector<char> pubKeyX(BUF_LEN, 0);
vector<char> pubKeyY(BUF_LEN, 0);
uint32_t encLen = 0;
uint64_t encLen = 0;
PRINT_SRC_LINE
auto status = trustedGenerateEcdsaKeyAES(eid, &errStatus, errMsg.data(), encrPrivKey.data(), &encLen,
pubKeyX.data(),
......@@ -160,7 +160,7 @@ TEST_CASE_METHOD(TestFixture, "ECDSA AES key gen", "[ecdsa-aes-key-gen]") {
vector <uint8_t> encrPrivKey(BUF_LEN, 0);
vector<char> pubKeyX(BUF_LEN, 0);
vector<char> pubKeyY(BUF_LEN, 0);
uint32_t encLen = 0;
uint64_t encLen = 0;
PRINT_SRC_LINE
auto status = trustedGenerateEcdsaKeyAES(eid, &errStatus, errMsg.data(), encrPrivKey.data(), &encLen,
pubKeyX.data(),
......@@ -177,7 +177,8 @@ TEST_CASE_METHOD(TestFixture, "ECDSA AES get public key", "[ecdsa-aes-get-pub-ke
vector <uint8_t> encPrivKey(BUF_LEN, 0);
vector<char> pubKeyX(BUF_LEN, 0);
vector<char> pubKeyY(BUF_LEN, 0);
uint32_t encLen = 0;
uint64_t encLen = 0;
PRINT_SRC_LINE
auto status = trustedGenerateEcdsaKeyAES(eid, &errStatus, errMsg.data(), encPrivKey.data(), &encLen, pubKeyX.data(),
......@@ -291,7 +292,7 @@ TEST_CASE_METHOD(TestFixture, "DKG AES gen test", "[dkg-aes-gen]") {
vector<char> errMsg(BUF_LEN, 0);
int errStatus = 0;
uint32_t encLen = 0;
uint64_t encLen = 0;
PRINT_SRC_LINE
auto status = trustedGenDkgSecretAES(eid, &errStatus, errMsg.data(), encryptedDKGSecret.data(), &encLen, 32);
......@@ -314,7 +315,7 @@ TEST_CASE_METHOD(TestFixture, "DKG AES public shares test", "[dkg-aes-pub-shares
vector<char> errMsg(BUF_LEN, 0);
int errStatus = 0;
uint32_t encLen = 0;
uint64_t encLen = 0;
unsigned t = 32, n = 32;
PRINT_SRC_LINE
......@@ -363,7 +364,7 @@ TEST_CASE_METHOD(TestFixture, "DKG AES encrypted secret shares test", "[dkg-aes-
vector<char> result(BUF_LEN, 0);
int errStatus = 0;
uint32_t encLen = 0;
uint64_t encLen = 0;
vector <uint8_t> encryptedDKGSecret(BUF_LEN, 0);
PRINT_SRC_LINE
......@@ -694,7 +695,7 @@ TEST_CASE_METHOD(TestFixture, "AES_DKG test", "[aes-dkg]") {
TEST_CASE_METHOD(TestFixture, "AES encrypt/decrypt", "[aes-encrypt-decrypt]") {
int errStatus = 0;
vector<char> errMsg(BUF_LEN, 0);
uint32_t encLen;
uint64_t encLen;
string key = SAMPLE_AES_KEY;
vector <uint8_t> encrypted_key(BUF_LEN, 0);
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment