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check for duplicates

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orignal 2014-06-17 13:15:32 -04:00
parent 566909a50c
commit ebd64c9337
2 changed files with 22 additions and 1 deletions

5
SSU.cpp
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@ -84,6 +84,11 @@ namespace ssu
else
{
ScheduleTermination ();
// check for duplicate
const uint8_t * iv = ((SSUHeader *)buf)->iv;
if (m_ReceivedIVs.count (iv)) return; // duplicate detected
m_ReceivedIVs.insert (iv);
if (m_IsSessionKey && Validate (buf, len, m_MacKey)) // try session key first
DecryptSessionKey (buf, len);
else