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AES/ElGamal session tags per local destination

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orignal 2014-10-07 16:18:13 -04:00
parent 0af963359a
commit 49d67bada0
6 changed files with 215 additions and 221 deletions
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67
Garlic.h
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@ -37,30 +37,9 @@ namespace garlic
};
#pragma pack()
const int TAGS_EXPIRATION_TIMEOUT = 900; // 15 minutes
typedef i2p::data::Tag<32> SessionTag;
class GarlicDestination: public i2p::data::LocalDestination
{
public:
GarlicDestination () {};
~GarlicDestination () {};
void AddSessionKey (const uint8_t * key, const uint8_t * tag); // one tag
void HandleGarlicMessage (I2NPMessage * msg);
private:
void HandleAESBlock (uint8_t * buf, size_t len, std::shared_ptr<i2p::crypto::CBCDecryption> decryption,
i2p::tunnel::InboundTunnel * from);
void HandleGarlicPayload (uint8_t * buf, size_t len, i2p::tunnel::InboundTunnel * from);
private:
std::map<SessionTag, std::shared_ptr<i2p::crypto::CBCDecryption>> m_Tags;
};
const int TAGS_EXPIRATION_TIMEOUT = 900; // 15 minutes
typedef i2p::data::Tag<32> SessionTag;
class GarlicRoutingSession
{
public:
@ -97,22 +76,46 @@ namespace garlic
CryptoPP::AutoSeededRandomPool m_Rnd;
};
class GarlicDestination: public i2p::data::LocalDestination
{
public:
GarlicDestination () {};
~GarlicDestination ();
GarlicRoutingSession * GetRoutingSession (const i2p::data::RoutingDestination& destination, int numTags);
I2NPMessage * WrapMessage (const i2p::data::RoutingDestination& destination,
I2NPMessage * msg, const i2p::data::LeaseSet * leaseSet = nullptr);
void AddSessionKey (const uint8_t * key, const uint8_t * tag); // one tag
void HandleGarlicMessage (I2NPMessage * msg);
private:
void HandleAESBlock (uint8_t * buf, size_t len, std::shared_ptr<i2p::crypto::CBCDecryption> decryption,
i2p::tunnel::InboundTunnel * from);
void HandleGarlicPayload (uint8_t * buf, size_t len, i2p::tunnel::InboundTunnel * from);
private:
// outgoing sessions
std::mutex m_SessionsMutex;
std::map<i2p::data::IdentHash, GarlicRoutingSession *> m_Sessions;
// incoming
std::map<SessionTag, std::shared_ptr<i2p::crypto::CBCDecryption>> m_Tags;
};
class GarlicRouting
{
public:
GarlicRouting ();
~GarlicRouting ();
GarlicRouting (): m_IsRunning (false), m_Thread (nullptr) {};
~GarlicRouting () {};
void Start ();
void Stop ();
void PostI2NPMsg (I2NPMessage * msg);
GarlicRoutingSession * GetRoutingSession (const i2p::data::RoutingDestination& destination, int numTags);
I2NPMessage * WrapSingleMessage (const i2p::data::RoutingDestination& destination, I2NPMessage * msg);
I2NPMessage * WrapMessage (const i2p::data::RoutingDestination& destination,
I2NPMessage * msg, const i2p::data::LeaseSet * leaseSet = nullptr);
void DeliveryStatusSent (GarlicRoutingSession * session, uint32_t msgID);
private:
@ -126,9 +129,7 @@ namespace garlic
bool m_IsRunning;
std::thread * m_Thread;
i2p::util::Queue<I2NPMessage> m_Queue;
// outgoing sessions
std::mutex m_SessionsMutex;
std::map<i2p::data::IdentHash, GarlicRoutingSession *> m_Sessions;
std::mutex m_CreatedSessionsMutex;
std::map<uint32_t, GarlicRoutingSession *> m_CreatedSessions; // msgID -> session
};