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trim behind ECIESx25519 tags

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orignal 2020-09-07 18:45:05 -04:00
parent a0685d804d
commit a05a54b38e
4 changed files with 19 additions and 12 deletions
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6
libi2pd/ECIESX25519AEADRatchetSession.h
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@ -56,10 +56,12 @@ namespace garlic
std::shared_ptr<ECIESX25519AEADRatchetSession> GetSession () { return m_Session.lock (); };
int GetTagSetID () const { return m_TagSetID; };
void SetTagSetID (int tagsetID) { m_TagSetID = tagsetID; };
void MoveTrimBehind (int offset) { m_TrimBehindIndex += offset; };
void Expire ();
bool IsExpired (uint64_t ts) const { return m_ExpirationTimestamp && ts > m_ExpirationTimestamp; };
bool IsIndexExpired (int index) const { return m_Session.expired () || index < m_TrimBehindIndex; };
private:
union
@ -73,7 +75,7 @@ namespace garlic
} m_KeyData;
uint8_t m_SessTagConstant[32], m_SymmKeyCK[32], m_CurrentSymmKeyCK[64], m_NextRootKey[32];
int m_NextIndex, m_NextSymmKeyIndex;
int m_NextIndex, m_NextSymmKeyIndex, m_TrimBehindIndex = 0;
std::unordered_map<int, i2p::data::Tag<32> > m_ItermediateSymmKeys;
std::weak_ptr<ECIESX25519AEADRatchetSession> m_Session;
int m_TagSetID = 0;