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XChaCha20-Poly1305 via libsodium

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rtw1x1
2026-02-03 11:12:32 +00:00
parent 857ef33627
commit 509e2638cb
981 changed files with 49784 additions and 255732 deletions
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132
src/UserInterface/Packet.h
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@@ -11,7 +11,6 @@ enum
/////////////////////////////////////////////////
// To Server
// HEADER_BLANK is the not use(for future use)
HEADER_CG_LOGIN = 1,
HEADER_CG_ATTACK = 2,
HEADER_CG_CHAT = 3,
HEADER_CG_PLAYER_CREATE = 4, // 새로운 플래이어를 생성
@@ -131,7 +130,8 @@ enum
HEADER_CG_DRAGON_SOUL_REFINE = 205,
HEADER_CG_STATE_CHECKER = 206,
HEADER_CG_KEY_AGREEMENT = 0xfb, // _IMPROVED_PACKET_ENCRYPTION_
HEADER_CG_KEY_RESPONSE = 0xf9, // Secure key exchange response
HEADER_CG_LOGIN_SECURE = 0xf6, // Secure login packet
HEADER_CG_TIME_SYNC = 0xfc,
HEADER_CG_CLIENT_VERSION = 0xfd,
HEADER_CG_CLIENT_VERSION2 = 0xf1,
@@ -288,21 +288,15 @@ enum
// END_OF_SUPPORT_BGM
HEADER_GC_AUTH_SUCCESS = 150,
HEADER_GC_PANAMA_PACK = 151,
//HYBRID CRYPT
HEADER_GC_HYBRIDCRYPT_KEYS = 152,
HEADER_GC_HYBRIDCRYPT_SDB = 153, // SDB means Supplmentary Data Blocks
//HYBRID CRYPT
HEADER_GC_SPECIFIC_EFFECT = 208,
HEADER_GC_DRAGON_SOUL_REFINE = 209,
HEADER_GC_DRAGON_SOUL_REFINE = 209,
HEADER_GC_RESPOND_CHANNELSTATUS = 210,
HEADER_GC_ITEM_GET = 211,
HEADER_GC_KEY_AGREEMENT_COMPLETED = 0xfa, // _IMPROVED_PACKET_ENCRYPTION_
HEADER_GC_KEY_AGREEMENT = 0xfb, // _IMPROVED_PACKET_ENCRYPTION_
HEADER_GC_KEY_CHALLENGE = 0xf8, // Secure key exchange challenge
HEADER_GC_KEY_COMPLETE = 0xf7, // Secure key exchange complete
HEADER_GC_HANDSHAKE_OK = 0xfc, // 252
HEADER_GC_PHASE = 0xfd, // 253
HEADER_GC_BINDUDP = 0xfe, // 254
@@ -479,20 +473,12 @@ typedef struct command_checkin
char pwd[PASS_MAX_NUM+1];
} TPacketCGCheckin;
typedef struct command_login
{
uint8_t header;
char name[ID_MAX_NUM + 1];
char pwd[PASS_MAX_NUM + 1];
} TPacketCGLogin;
// start - 권한 서버 접속을 위한 패킷들
typedef struct command_login2
{
uint8_t header;
char name[ID_MAX_NUM + 1];
uint32_t login_key;
uint32_t adwClientKey[4];
} TPacketCGLogin2;
typedef struct command_login3
@@ -500,7 +486,6 @@ typedef struct command_login3
uint8_t header;
char name[ID_MAX_NUM + 1];
char pwd[PASS_MAX_NUM + 1];
uint32_t adwClientKey[4];
} TPacketCGLogin3;
typedef struct command_direct_enter
@@ -2468,70 +2453,6 @@ typedef struct SPacketGCResetOnTime
uint8_t header;
} TPacketGCResetOnTime;
typedef struct SPacketGCPanamaPack
{
uint8_t bHeader;
char szPackName[256];
uint8_t abIV[32];
} TPacketGCPanamaPack;
typedef struct SPacketGCHybridCryptKeys
{
private:
SPacketGCHybridCryptKeys() : m_pStream(NULL) {}
public:
SPacketGCHybridCryptKeys(int32_t iStreamSize) : iKeyStreamLen(iStreamSize)
{
m_pStream = new uint8_t[iStreamSize];
}
~SPacketGCHybridCryptKeys()
{
if( m_pStream )
{
delete[] m_pStream;
m_pStream = NULL;
}
}
static int32_t GetFixedHeaderSize()
{
return sizeof(uint8_t)+sizeof(uint16_t)+sizeof(int32_t);
}
uint8_t bHeader;
uint16_t wDynamicPacketSize;
int32_t iKeyStreamLen;
uint8_t* m_pStream;
} TPacketGCHybridCryptKeys;
typedef struct SPacketGCHybridSDB
{
private:
SPacketGCHybridSDB() : m_pStream(NULL) {}
public:
SPacketGCHybridSDB(int32_t iStreamSize) : iSDBStreamLen(iStreamSize)
{
m_pStream = new uint8_t[iStreamSize];
}
~SPacketGCHybridSDB()
{
delete[] m_pStream;
m_pStream = NULL;
}
static int32_t GetFixedHeaderSize()
{
return sizeof(uint8_t)+sizeof(uint16_t)+sizeof(int32_t);
}
uint8_t bHeader;
uint16_t wDynamicPacketSize;
int32_t iSDBStreamLen;
uint8_t* m_pStream;
} TPacketGCHybridSDB;
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Client To Client
@@ -2556,22 +2477,43 @@ typedef struct packet_autoban_quiz
} TPacketGCAutoBanQuiz;
// END_OF_AUTOBAN
#ifdef _IMPROVED_PACKET_ENCRYPTION_
struct TPacketKeyAgreement
// Secure authentication packets (libsodium/XChaCha20-Poly1305)
#pragma pack(push, 1)
// Server -> Client: Key exchange challenge
struct TPacketGCKeyChallenge
{
static const int32_t MAX_DATA_LEN = 256;
uint8_t bHeader;
uint16_t wAgreedLength;
uint16_t wDataLength;
uint8_t data[MAX_DATA_LEN];
uint8_t bHeader; // HEADER_GC_KEY_CHALLENGE (0xf8)
uint8_t server_pk[32]; // Server's X25519 public key
uint8_t challenge[32]; // Random challenge bytes
};
struct TPacketKeyAgreementCompleted
// Client -> Server: Key exchange response
struct TPacketCGKeyResponse
{
uint8_t bHeader;
uint8_t data[3]; // dummy (not used)
uint8_t bHeader; // HEADER_CG_KEY_RESPONSE (0xf9)
uint8_t client_pk[32]; // Client's X25519 public key
uint8_t challenge_response[32]; // HMAC(challenge, rx_key)
};
#endif // _IMPROVED_PACKET_ENCRYPTION_
// Server -> Client: Key exchange complete
struct TPacketGCKeyComplete
{
uint8_t bHeader; // HEADER_GC_KEY_COMPLETE (0xf7)
uint8_t encrypted_token[32 + 16]; // Session token + Poly1305 tag
uint8_t nonce[24]; // XChaCha20 nonce
};
// Client -> Server: Secure login
struct TPacketCGLoginSecure
{
uint8_t bHeader; // HEADER_CG_LOGIN_SECURE (0xf6)
char name[ID_MAX_NUM + 1];
char pwd[PASS_MAX_NUM + 1];
uint8_t session_token[32]; // Session token from KeyComplete
};
#pragma pack(pop)
typedef struct SPacketGCSpecificEffect
{