Mirrors/i2pd
2
0
Fork 0
mirror of https://github.com/PurpleI2P/i2pd.git synced 2025-04-28 11:47:48 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

DecryptRecord per tunnel hop

Browse source
This commit is contained in:
orignal 2021-07-07 21:16:30 -04:00
parent 847225c6bf
commit ed0c2e68a5
3 changed files with 41 additions and 27 deletions
Download patch file Download diff file Expand all files Collapse all files

12
libi2pd/Tunnel.cpp
View file

@ -78,18 +78,14 @@ namespace tunnel
}
// decrypt real records
i2p::crypto::CBCDecryption decryption;
hop = m_Config->GetLastHop ()->prev;
while (hop)
{
decryption.SetKey (hop->replyKey);
// decrypt records after current hop
TunnelHopConfig * hop1 = hop->next;
while (hop1)
{
decryption.SetIV (hop->replyIV);
uint8_t * record = records + hop1->recordIndex*TUNNEL_BUILD_RECORD_SIZE;
decryption.Decrypt(record, TUNNEL_BUILD_RECORD_SIZE, record);
hop->DecryptRecord (records, hop1->recordIndex);
hop1 = hop1->next;
}
hop = hop->prev;
@ -132,11 +128,7 @@ namespace tunnel
{
auto idx = hop1->recordIndex;
if (idx >= 0 && idx < msg[0])
{
uint8_t * record = msg + 1 + idx*TUNNEL_BUILD_RECORD_SIZE;
decryption.SetIV (hop->replyIV);
decryption.Decrypt(record, TUNNEL_BUILD_RECORD_SIZE, record);
}
hop->DecryptRecord (msg + 1, idx);
else
LogPrint (eLogWarning, "Tunnel: hop index ", idx, " is out of range");
hop1 = hop1->prev;