340 lines
7.3 KiB
C++
340 lines
7.3 KiB
C++
#pragma once
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namespace Utils
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{
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namespace Cryptography
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{
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void Initialize();
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class Token
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{
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public:
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Token() { this->tokenString.clear(); };
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Token(const Token& obj) : tokenString(obj.tokenString) { };
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Token(const std::string& token) : tokenString(token.begin(), token.end()) { };
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Token(const std::basic_string<uint8_t>& token) : tokenString(token.begin(), token.end()) { };
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Token& operator++ ()
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{
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if (this->tokenString.empty())
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{
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this->tokenString.append(reinterpret_cast<uint8_t*>(const_cast<char *>("\0")), 1);
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}
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else
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{
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for (int i = static_cast<int>(this->tokenString.size() - 1); i >= 0; --i)
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{
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if (this->tokenString[i] == 0xFF)
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{
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this->tokenString[i] = 0;
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if (!i)
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{
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// Prepend here, as /dev/urandom says so ;) https://github.com/IW4x/iw4x-client-node/wikis/technical-information#incrementing-the-token
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this->tokenString = std::basic_string<uint8_t>(reinterpret_cast<uint8_t*>(const_cast<char*>("\0")), 1) + this->tokenString;
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break;
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}
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}
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else
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{
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++this->tokenString[i];
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break;
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}
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}
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}
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return *this;
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}
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Token operator++ (int)
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{
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Token result = *this;
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this->operator++();
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return result;
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}
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bool operator==(const Token& token) const
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{
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return (this->toString() == token.toString());
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}
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bool operator!=(const Token& token) const
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{
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return !(*this == token);
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}
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bool operator<(const Token& token) const
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{
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if (*this == token)
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{
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return false;
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}
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else if (this->toString().size() < token.toString().size())
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{
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return true;
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}
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else if (this->toString().size() > token.toString().size())
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{
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return false;
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}
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else
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{
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auto lStr = this->toString();
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auto rStr = token.toString();
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for (unsigned int i = 0; i < lStr.size(); ++i)
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{
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if (lStr[i] < rStr[i])
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{
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return true;
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}
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}
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}
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return false;
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}
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bool operator>(const Token& token) const
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{
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return (token < *this && *this != token);
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}
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bool operator<=(const Token& token) const
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{
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return !(*this > token);
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}
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bool operator>=(const Token& token) const
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{
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return !(*this < token);
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}
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std::string toString()
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{
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return std::string(this->tokenString.begin(), this->tokenString.end());
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}
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std::string toString() const
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{
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return std::string(this->tokenString.begin(), this->tokenString.end());
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}
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std::basic_string<uint8_t> toUnsignedString()
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{
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return this->tokenString;
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}
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void clear()
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{
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this->tokenString.clear();
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}
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private:
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std::basic_string<uint8_t> tokenString;
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};
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class Rand
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{
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public:
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static std::string GenerateChallenge();
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static uint32_t GenerateInt();
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static void Initialize();
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private:
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static prng_state State;
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};
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class ECC
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{
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public:
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class Key
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{
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public:
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Key() : keyStorage(new ecc_key)
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{
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ZeroMemory(this->getKeyPtr(), sizeof(*this->getKeyPtr()));
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};
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Key(ecc_key* key) : Key() { if (key) std::memmove(this->getKeyPtr(), key, sizeof(*key)); };
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Key(ecc_key key) : Key(&key) {};
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~Key()
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{
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if (this->keyStorage.use_count() <= 1)
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{
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this->free();
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}
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};
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bool isValid()
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{
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return (!Utils::Memory::IsSet(this->getKeyPtr(), 0, sizeof(*this->getKeyPtr())));
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}
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ecc_key* getKeyPtr()
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{
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return this->keyStorage.get();
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}
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std::string getPublicKey()
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{
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uint8_t buffer[512] = { 0 };
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DWORD length = sizeof(buffer);
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if (ecc_ansi_x963_export(this->getKeyPtr(), buffer, &length) == CRYPT_OK)
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{
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return std::string(reinterpret_cast<char*>(buffer), length);
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}
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return "";
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}
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void set(const std::string& pubKeyBuffer)
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{
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this->free();
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if (ecc_ansi_x963_import(reinterpret_cast<const uint8_t*>(pubKeyBuffer.data()), pubKeyBuffer.size(), this->getKeyPtr()) != CRYPT_OK)
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{
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ZeroMemory(this->getKeyPtr(), sizeof(*this->getKeyPtr()));
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}
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}
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void deserialize(const std::string& key)
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{
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this->free();
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if (ecc_import(reinterpret_cast<const uint8_t*>(key.data()), key.size(), this->getKeyPtr()) != CRYPT_OK)
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{
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ZeroMemory(this->getKeyPtr(), sizeof(*this->getKeyPtr()));
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}
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}
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std::string serialize(int type = PK_PRIVATE)
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{
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uint8_t buffer[4096] = { 0 };
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DWORD length = sizeof(buffer);
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if (ecc_export(buffer, &length, type, this->getKeyPtr()) == CRYPT_OK)
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{
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return std::string(reinterpret_cast<char*>(buffer), length);
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}
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return "";
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}
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void free()
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{
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if (this->isValid())
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{
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ecc_free(this->getKeyPtr());
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}
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ZeroMemory(this->getKeyPtr(), sizeof(*this->getKeyPtr()));
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}
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bool operator==(Key& key)
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{
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return (this->isValid() && key.isValid() && this->serialize(PK_PUBLIC) == key.serialize(PK_PUBLIC));
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}
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private:
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std::shared_ptr<ecc_key> keyStorage;
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};
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static Key GenerateKey(int bits);
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static std::string SignMessage(Key key, const std::string& message);
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static bool VerifyMessage(Key key, const std::string& message, const std::string& signature);
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};
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class RSA
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{
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public:
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class Key
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{
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public:
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Key() : keyStorage(new rsa_key)
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{
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ZeroMemory(this->getKeyPtr(), sizeof(*this->getKeyPtr()));
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};
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Key(rsa_key* key) : Key() { if (key) std::memmove(this->getKeyPtr(), key, sizeof(*key)); };
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Key(rsa_key key) : Key(&key) {};
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~Key()
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{
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if (this->keyStorage.use_count() <= 1)
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{
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this->free();
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}
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};
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rsa_key* getKeyPtr()
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{
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return this->keyStorage.get();
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}
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bool isValid()
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{
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return (!Utils::Memory::IsSet(this->getKeyPtr(), 0, sizeof(*this->getKeyPtr())));
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}
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void free()
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{
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if (this->isValid())
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{
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rsa_free(this->getKeyPtr());
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}
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ZeroMemory(this->getKeyPtr(), sizeof(*this->getKeyPtr()));
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}
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private:
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std::shared_ptr<rsa_key> keyStorage;
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};
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static Key GenerateKey(int bits);
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static std::string SignMessage(Key key, const std::string& message);
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static bool VerifyMessage(Key key, const std::string& message, const std::string& signature);
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};
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class DES3
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{
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public:
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static void Initialize();
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static std::string Encrypt(const std::string& text, const std::string& iv, const std::string& key);
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static std::string Decrpyt(const std::string& text, const std::string& iv, const std::string& key);
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};
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class Tiger
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{
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public:
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static std::string Compute(const std::string& data, bool hex = false);
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static std::string Compute(const uint8_t* data, size_t length, bool hex = false);
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};
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class SHA1
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{
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public:
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static std::string Compute(const std::string& data, bool hex = false);
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static std::string Compute(const uint8_t* data, size_t length, bool hex = false);
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};
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class SHA256
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{
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public:
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static std::string Compute(const std::string& data, bool hex = false);
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static std::string Compute(const uint8_t* data, size_t length, bool hex = false);
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};
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class SHA512
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{
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public:
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static std::string Compute(const std::string& data, bool hex = false);
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static std::string Compute(const uint8_t* data, size_t length, bool hex = false);
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};
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class JenkinsOneAtATime
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{
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public:
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static unsigned int Compute(const std::string& data);
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static unsigned int Compute(const char *key, size_t len);
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};
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}
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}
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