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derive keys for siphash

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orignal 2018-06-21 12:39:24 -04:00
parent 7d862d8eba
commit 96411cc93e
2 changed files with 22 additions and 8 deletions
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4
libi2pd/NTCP2.h
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@ -34,7 +34,7 @@ namespace transport
void KeyDerivationFunction1 (const uint8_t * rs, const uint8_t * priv, const uint8_t * pub, uint8_t * derived); // for SessionRequest
void KeyDerivationFunction2 (const uint8_t * priv, const uint8_t * pub, const uint8_t * sessionRequest, size_t sessionRequestLen, uint8_t * derived); // for SessionCreate
void KeyDerivationFunction3 (const uint8_t * staticPrivKey, uint8_t * derived); // for SessionConfirmed part 2
void KeyDerivationFunctionDataPhase (bool isAlice, uint8_t * derived);
void KeyDerivationFunctionDataPhase ();
void CreateEphemeralKey (uint8_t * pub);
void SendSessionRequest ();
@ -59,6 +59,8 @@ namespace transport
uint8_t m_RemoteStaticKey[32], m_IV[16], m_H[32] /*h*/, m_CK[33] /*ck*/, m_K[32] /* derived after SessionCreated */, m_Y[32] /* or X for Bob */;
uint8_t * m_SessionRequestBuffer, * m_SessionCreatedBuffer, * m_SessionConfirmedBuffer;
size_t m_SessionRequestBufferLen, m_SessionCreatedBufferLen;
// data phase
uint8_t m_Kab[33], m_Kba[32], m_Siphashab[33], m_Siphashba[32];
};
class NTCP2Server