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create session tags for ECIESX25519

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orignal 2020-02-05 15:48:51 -05:00
parent 9d891ab5dd
commit 012f22cc47
4 changed files with 53 additions and 12 deletions
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5
libi2pd/ECIESX25519AEADRatchetSession.h
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@ -21,6 +21,7 @@ namespace garlic
void DHInitialize (const uint8_t * rootKey, const uint8_t * k);
void NextSessionTagRatchet ();
uint64_t GetNextSessionTag ();
int GetNextIndex () const { return m_NextIndex; };
private:
@ -35,6 +36,7 @@ namespace garlic
} m_KeyData;
uint8_t m_SessTagConstant[32];
int m_NextIndex;
};
enum ECIESx25519BlockType
@ -78,6 +80,7 @@ namespace garlic
void ResetKeys ();
void MixHash (const uint8_t * buf, size_t len);
void CreateNonce (uint64_t seqn, uint8_t * nonce);
bool GenerateEphemeralKeysAndEncode (uint8_t * buf); // buf is 32 bytes
uint64_t CreateNewSessionTag () const;
@ -88,6 +91,8 @@ namespace garlic
bool NewOutgoingSessionMessage (const uint8_t * payload, size_t len, uint8_t * out, size_t outLen);
bool NewSessionReplyMessage (const uint8_t * payload, size_t len, uint8_t * out, size_t outLen);
bool NewExistingSessionMessage (const uint8_t * payload, size_t len, uint8_t * out, size_t outLen);
std::vector<uint8_t> CreatePayload (std::shared_ptr<const I2NPMessage> msg);
size_t CreateGarlicClove (std::shared_ptr<const I2NPMessage> msg, uint8_t * buf, size_t len, bool isDestination = false);