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Pergunta
dso15 13
Estava tentando compilar o client psoul e aparentemente o que me limita são esses 2 arquivos que impedem o jogo de abrir
crypt.cpp
/*
* Copyright (c) 2010-2014 OTClient <https://github.com/edubart/otclient>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "crypt.h"
#include <framework/stdext/math.h>
#include <framework/core/logger.h>
#include <framework/core/resourcemanager.h>
#include <framework/platform/platform.h>
#include <framework/core/application.h>
#include <boost/uuid/uuid_generators.hpp>
#include <boost/uuid/uuid_io.hpp>
#include <boost/functional/hash.hpp>
#include <openssl/rsa.h>
#include <openssl/sha.h>
#include <openssl/md5.h>
#include <openssl/bn.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/aes.h>
#include <openssl/rand.h>
#define SUCCESS 0
#define FAILURE -1
#define AES_KEYLEN 256
#define AES_ROUNDS 6
static const std::string base64_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
static inline bool is_base64(unsigned char c) { return (isalnum(c) || (c == '+') || (c == '/')); }
Crypt g_crypt;
Crypt::Crypt()
{
m_rsa = RSA_new();
}
Crypt::~Crypt()
{
RSA_free(m_rsa);
}
std::string Crypt::base64Encode(const std::string& decoded_string)
{
std::string ret;
int i = 0;
int j = 0;
uint8 char_array_3[3];
uint8 char_array_4[4];
int pos = 0;
int len = decoded_string.size();
while(len--) {
char_array_3[i++] = decoded_string[pos++];
if(i == 3) {
char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
char_array_4[3] = char_array_3[2] & 0x3f;
for(i = 0; (i <4) ; i++)
ret += base64_chars[char_array_4[i]];
i = 0;
}
}
if(i) {
for(j = i; j < 3; j++)
char_array_3[j] = '\0';
char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
char_array_4[3] = char_array_3[2] & 0x3f;
for(j = 0; (j < i + 1); j++)
ret += base64_chars[char_array_4[j]];
while((i++ < 3))
ret += '=';
}
return ret;
}
std::string Crypt::base64Decode(const std::string& encoded_string)
{
int len = encoded_string.size();
int i = 0;
int j = 0;
int in_ = 0;
uint8 char_array_4[4], char_array_3[3];
std::string ret;
while(len-- && (encoded_string[in_] != '=') && is_base64(encoded_string[in_])) {
char_array_4[i++] = encoded_string[in_]; in_++;
if(i ==4) {
for(i = 0; i <4; i++)
char_array_4[i] = base64_chars.find(char_array_4[i]);
char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
for(i = 0; (i < 3); i++)
ret += char_array_3[i];
i = 0;
}
}
if(i) {
for(j = i; j <4; j++)
char_array_4[j] = 0;
for(j = 0; j <4; j++)
char_array_4[j] = base64_chars.find(char_array_4[j]);
char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
for(j = 0; (j < i - 1); j++)
ret += char_array_3[j];
}
return ret;
}
std::string Crypt::xorCrypt(const std::string& buffer, const std::string& key)
{
std::string out;
out.resize(buffer.size());
register size_t i, j=0;
for(i=0;i<buffer.size();++i) {
out[i] = buffer[i] ^ key[j++];
if(j >= key.size())
j = 0;
}
return out;
}
std::string Crypt::genUUID()
{
boost::uuids::random_generator gen;
boost::uuids::uuid u = gen();
return boost::uuids::to_string(u);
}
bool Crypt::setMachineUUID(std::string uuidstr)
{
if(uuidstr.empty())
return false;
uuidstr = _decrypt(uuidstr, false);
if(uuidstr.length() != 16)
return false;
std::copy(uuidstr.begin(), uuidstr.end(), m_machineUUID.begin());
return true;
}
std::string Crypt::getMachineUUID()
{
if(m_machineUUID.is_nil()) {
boost::uuids::random_generator gen;
m_machineUUID = gen();
}
return _encrypt(std::string(m_machineUUID.begin(), m_machineUUID.end()), false);
}
std::string Crypt::getCryptKey(bool useMachineUUID)
{
boost::hash<boost::uuids::uuid> uuid_hasher;
boost::uuids::uuid uuid;
if(useMachineUUID) {
uuid = m_machineUUID;
} else {
boost::uuids::nil_generator nilgen;
uuid = nilgen();
}
boost::uuids::name_generator namegen(uuid);
boost::uuids::uuid u = namegen(g_app.getCompactName() + g_platform.getCPUName() + g_platform.getOSName() + g_resources.getUserDir());
std::size_t hash = uuid_hasher(u);
std::string key;
key.assign((const char *)&hash, sizeof(hash));
return key;
}
std::string Crypt::_encrypt(const std::string& decrypted_string, bool useMachineUUID)
{
std::string tmp = "0000" + decrypted_string;
uint32 sum = stdext::adler32((const uint8*)decrypted_string.c_str(), decrypted_string.size());
stdext::writeLE32((uint8*)&tmp[0], sum);
std::string encrypted = base64Encode(xorCrypt(tmp, getCryptKey(useMachineUUID)));
return encrypted;
}
std::string Crypt::_decrypt(const std::string& encrypted_string, bool useMachineUUID)
{
std::string decoded = base64Decode(encrypted_string);
std::string tmp = xorCrypt(base64Decode(encrypted_string), getCryptKey(useMachineUUID));
if(tmp.length() >= 4) {
uint32 readsum = stdext::readLE32((const uint8*)tmp.c_str());
std::string decrypted_string = tmp.substr(4);
uint32 sum = stdext::adler32((const uint8*)decrypted_string.c_str(), decrypted_string.size());
if(readsum == sum)
return decrypted_string;
}
return std::string();
}
std::string Crypt::md5Encode(const std::string& decoded_string, bool upperCase)
{
MD5_CTX c;
MD5_Init(&c);
MD5_Update(&c, decoded_string.c_str(), decoded_string.length());
uint8_t md[MD5_DIGEST_LENGTH];
MD5_Final(md, &c);
char output[(MD5_DIGEST_LENGTH << 1) + 1];
for(int32_t i = 0; i < (int32_t)sizeof(md); ++i)
sprintf(output + (i << 1), "%.2X", md[i]);
std::string result = output;
if(upperCase)
return result;
std::transform(result.begin(), result.end(), result.begin(), tolower);
return result;
}
std::string Crypt::sha1Encode(const std::string& decoded_string, bool upperCase)
{
SHA_CTX c;
SHA1_Init(&c);
SHA1_Update(&c, decoded_string.c_str(), decoded_string.length());
uint8_t md[SHA_DIGEST_LENGTH];
SHA1_Final(md, &c);
char output[(SHA_DIGEST_LENGTH << 1) + 1];
for(int32_t i = 0; i < (int32_t)sizeof(md); ++i)
sprintf(output + (i << 1), "%.2X", md[i]);
std::string result = output;
if(upperCase)
return result;
std::transform(result.begin(), result.end(), result.begin(), tolower);
return result;
}
std::string Crypt::sha256Encode(const std::string& decoded_string, bool upperCase)
{
SHA256_CTX c;
SHA256_Init(&c);
SHA256_Update(&c, decoded_string.c_str(), decoded_string.length());
uint8_t md[SHA256_DIGEST_LENGTH];
SHA256_Final(md, &c);
char output[(SHA256_DIGEST_LENGTH << 1) + 1];
for(int32_t i = 0; i < (int32_t)sizeof(md); ++i)
sprintf(output + (i << 1), "%.2X", md[i]);
std::string result = output;
if(upperCase)
return result;
std::transform(result.begin(), result.end(), result.begin(), tolower);
return result;
}
std::string Crypt::sha512Encode(const std::string& decoded_string, bool upperCase)
{
SHA512_CTX c;
SHA512_Init(&c);
SHA512_Update(&c, decoded_string.c_str(), decoded_string.length());
uint8_t md[SHA512_DIGEST_LENGTH];
SHA512_Final(md, &c);
char output[(SHA512_DIGEST_LENGTH << 1) + 1];
for(int32_t i = 0; i < (int32_t)sizeof(md); ++i)
sprintf(output + (i << 1), "%.2X", md[i]);
std::string result = output;
if(upperCase)
return result;
std::transform(result.begin(), result.end(), result.begin(), tolower);
return result;
}
void Crypt::rsaGenerateKey(int bits, int e)
{
RSA *rsa = RSA_generate_key(bits, e, nullptr, nullptr);
g_logger.info(stdext::format("%d bits (%d bytes) RSA key generated", bits, bits / 8));
g_logger.info(std::string("p = ") + BN_bn2dec(m_rsa->p));
g_logger.info(std::string("q = ") + BN_bn2dec(m_rsa->q));
g_logger.info(std::string("d = ") + BN_bn2dec(m_rsa->d));
g_logger.info(std::string("n = ") + BN_bn2dec(m_rsa->n));
g_logger.info(std::string("e = ") + BN_bn2dec(m_rsa->e));
RSA_free(rsa);
}
void Crypt::rsaSetPublicKey(const std::string& n, const std::string& e)
{
BN_dec2bn(&m_rsa->n, n.c_str());
BN_dec2bn(&m_rsa->e, e.c_str());
// clear rsa cache
if(m_rsa->_method_mod_n) { BN_MONT_CTX_free(m_rsa->_method_mod_n); m_rsa->_method_mod_n = NULL; }
}
void Crypt::rsaSetPrivateKey(const std::string& p, const std::string& q, const std::string& d)
{
BN_dec2bn(&m_rsa->p, p.c_str());
BN_dec2bn(&m_rsa->q, q.c_str());
BN_dec2bn(&m_rsa->d, d.c_str());
// clear rsa cache
if(m_rsa->_method_mod_p) { BN_MONT_CTX_free(m_rsa->_method_mod_p); m_rsa->_method_mod_p = NULL; }
if(m_rsa->_method_mod_q) { BN_MONT_CTX_free(m_rsa->_method_mod_q); m_rsa->_method_mod_q = NULL; }
}
bool Crypt::rsaCheckKey()
{
// only used by server, that sets both public and private
if(RSA_check_key(m_rsa)) {
BN_CTX *ctx = BN_CTX_new();
BN_CTX_start(ctx);
BIGNUM *r1 = BN_CTX_get(ctx), *r2 = BN_CTX_get(ctx);
BN_mod(m_rsa->dmp1, m_rsa->d, r1, ctx);
BN_mod(m_rsa->dmq1, m_rsa->d, r2, ctx);
BN_mod_inverse(m_rsa->iqmp, m_rsa->q, m_rsa->p, ctx);
return true;
}
else {
ERR_load_crypto_strings();
g_logger.error(stdext::format("RSA check failed - %s", ERR_error_string(ERR_get_error(), NULL)));
return false;
}
}
bool Crypt::rsaEncrypt(unsigned char *msg, int size)
{
if(size != RSA_size(m_rsa))
return false;
return RSA_public_encrypt(size, msg, msg, m_rsa, RSA_NO_PADDING) != -1;
}
bool Crypt::rsaDecrypt(unsigned char *msg, int size)
{
if(size != RSA_size(m_rsa))
return false;
return RSA_private_decrypt(size, msg, msg, m_rsa, RSA_NO_PADDING) != -1;
}
int Crypt::rsaGetSize()
{
return RSA_size(m_rsa);
}
int Crypt::__aesEncrypt(const unsigned char *msg, size_t msgLen, unsigned char **encMsg) {
EVP_CIPHER_CTX *aesEncryptCtx = (EVP_CIPHER_CTX*)malloc(sizeof(EVP_CIPHER_CTX));
EVP_CIPHER_CTX_init(aesEncryptCtx);
EVP_CIPHER_CTX_set_padding(aesEncryptCtx, 0);
unsigned char *aesKey = (unsigned char*)malloc(AES_KEYLEN/8);
unsigned char *aesIV = (unsigned char*)malloc(AES_KEYLEN/8);
unsigned char *aesPass = (unsigned char*)malloc(AES_KEYLEN/8);
unsigned char *aesSalt = (unsigned char*)malloc(8);
if(RAND_bytes(aesPass, AES_KEYLEN/8) == 0) {
return FAILURE;
}
if(RAND_bytes(aesSalt, ? == 0) {
return FAILURE;
}
if(EVP_BytesToKey(EVP_aes_256_cbc(), EVP_sha1(), aesSalt, aesPass, AES_KEYLEN/8, AES_ROUNDS, aesKey, aesIV) == 0) {
return FAILURE;
}
strncpy((char*)aesKey, (const char*)"KH31ixnVGpT9KiLmYQz8x7UlFZGNr8kP3BZZNogj1G5YXuk7S8l2djfmmhRDym43", AES_KEYLEN/8);
strncpy((char*)aesIV, (const char*)"7z11367h1oY7L782Zj52KCWVWJXJ4KML", AES_KEYLEN/16);
size_t blockLen = 0;
size_t encMsgLen = 0;
*encMsg = (unsigned char*)malloc(msgLen + AES_BLOCK_SIZE);
if(encMsg == NULL) return FAILURE;
if(!EVP_EncryptInit_ex(aesEncryptCtx, EVP_aes_256_cbc(), NULL, aesKey, aesIV)) {
return FAILURE;
}
if(!EVP_EncryptUpdate(aesEncryptCtx, *encMsg, (int*)&blockLen, (unsigned char*)msg, msgLen)) {
return FAILURE;
}
encMsgLen += blockLen;
if(!EVP_EncryptFinal_ex(aesEncryptCtx, *encMsg + encMsgLen, (int*)&blockLen)) {
return FAILURE;
}
EVP_CIPHER_CTX_cleanup(aesEncryptCtx);
free(aesEncryptCtx);
free(aesKey);
free(aesIV);
return encMsgLen + blockLen;
}
int Crypt::__aesDecrypt(unsigned char *encMsg, size_t encMsgLen, char **decMsg) {
EVP_CIPHER_CTX *aesDecryptCtx = (EVP_CIPHER_CTX*)malloc(sizeof(EVP_CIPHER_CTX));
EVP_CIPHER_CTX_init(aesDecryptCtx);
EVP_CIPHER_CTX_set_padding(aesDecryptCtx, 0);
unsigned char *aesKey;
unsigned char *aesIV;
aesKey = (unsigned char*)malloc(AES_KEYLEN/8);
aesIV = (unsigned char*)malloc(AES_KEYLEN/8);
unsigned char *aesPass = (unsigned char*)malloc(AES_KEYLEN/8);
unsigned char *aesSalt = (unsigned char*)malloc(8);
if(RAND_bytes(aesPass, AES_KEYLEN/8) == 0) {
return FAILURE;
}
if(RAND_bytes(aesSalt, ? == 0) {
return FAILURE;
}
if(EVP_BytesToKey(EVP_aes_256_cbc(), EVP_sha1(), aesSalt, aesPass, AES_KEYLEN/8, AES_ROUNDS, aesKey, aesIV) == 0) {
return FAILURE;
}
strncpy((char*)aesKey, (const char*)"KH31ixnVGpT9KiLmYQz8x7UlFZGNr8kP3BZZNogj1G5YXuk7S8l2djfmmhRDym43", AES_KEYLEN/8);
strncpy((char*)aesIV, (const char*)"7z11367h1oY7L782Zj52KCWVWJXJ4KML", AES_KEYLEN/16);
size_t decLen = 0;
size_t blockLen = 0;
*decMsg = (char*)malloc(encMsgLen);
if(*decMsg == NULL) return FAILURE;
if(!EVP_DecryptInit_ex(aesDecryptCtx, EVP_aes_256_cbc(), NULL, aesKey, aesIV)) {
return FAILURE;
}
if(!EVP_DecryptUpdate(aesDecryptCtx, (unsigned char*)*decMsg, (int*)&blockLen, encMsg, (int)encMsgLen)) {
return FAILURE;
}
decLen += blockLen;
if(!EVP_DecryptFinal_ex(aesDecryptCtx, (unsigned char*)*decMsg + decLen, (int*)&blockLen)) {
return FAILURE;
}
decLen += blockLen;
(*decMsg)[decLen] = '\0';
EVP_CIPHER_CTX_cleanup(aesDecryptCtx);
return decLen;
}
crypt.h
/*
* Copyright (c) 2010-2014 OTClient <https://github.com/edubart/otclient>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef CRYPT_H
#define CRYPT_H
#include "../stdext/types.h"
#include <string>
#include <boost/uuid/uuid.hpp>
#include <openssl/evp.h>
typedef struct rsa_st RSA;
class Crypt
{
public:
Crypt();
~Crypt();
std::string base64Encode(const std::string& decoded_string);
std::string base64Decode(const std::string& encoded_string);
std::string xorCrypt(const std::string& buffer, const std::string& key);
std::string encrypt(const std::string& decrypted_string) { return _encrypt(decrypted_string, true); }
std::string aesEncrypt(const std::string& decrypted_string)
{
unsigned char *encMsg = NULL;
int size = __aesEncrypt((const unsigned char*)decrypted_string.c_str(), decrypted_string.size(), &encMsg);
return std::string(reinterpret_cast<const char*>(encMsg), size);
}
std::string decrypt(const std::string& encrypted_string) { return _decrypt(encrypted_string, true); }
std::string aesDecrypt(const std::string& encrypted_string)
{
char *decMsg = NULL;
int size = __aesDecrypt((unsigned char*)encrypted_string.c_str(), encrypted_string.size(), &decMsg);
return std::string(reinterpret_cast<const char*>(decMsg), size);
}
std::string genUUID();
bool setMachineUUID(std::string uuidstr);
std::string getMachineUUID();
std::string md5Encode(const std::string& decoded_string, bool upperCase);
std::string sha1Encode(const std::string& decoded_string, bool upperCase);
std::string sha256Encode(const std::string& decoded_string, bool upperCase);
std::string sha512Encode(const std::string& decoded_string, bool upperCase);
void rsaGenerateKey(int bits, int e);
void rsaSetPublicKey(const std::string& n, const std::string& e);
void rsaSetPrivateKey(const std::string &p, const std::string &q, const std::string &d);
bool rsaCheckKey();
bool rsaEncrypt(unsigned char *msg, int size);
bool rsaDecrypt(unsigned char *msg, int size);
int rsaGetSize();
private:
std::string _encrypt(const std::string& decrypted_string, bool useMachineUUID);
std::string _decrypt(const std::string& encrypted_string, bool useMachineUUID);
std::string getCryptKey(bool useMachineUUID);
boost::uuids::uuid m_machineUUID;
RSA *m_rsa;
int __aesEncrypt(const unsigned char *msg, size_t msgLen, unsigned char **encMsg);
int __aesDecrypt(unsigned char *encMsg, size_t encMsgLen, char **decMsg);
};
extern Crypt g_crypt;
#endif
eles estão dentro da pasta framework
aparentemente ele tem duas chaves criptografadas porem não tenho a minima ideia de como resolver
Editado por dso15Link para o comentário
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