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Code Issues Releases Activity

encrypted delivery status

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orignal 2014-11-19 14:56:47 -05:00
parent c3e329e406
commit f6849442a9
1 changed files with 13 additions and 2 deletions
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15
Garlic.cpp
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@ -272,6 +272,16 @@ namespace garlic
size += 4;
// create msg
I2NPMessage * msg = CreateDeliveryStatusMsg (msgID);
if (m_Owner)
{
//encrypt
uint8_t key[32], tag[32];
m_Rnd.GenerateBlock (key, 32); // random session key
m_Rnd.GenerateBlock (tag, 32); // random session tag
m_Owner->AddSessionKey (key, tag);
GarlicRoutingSession garlic (key, tag);
msg = garlic.WrapSingleMessage (msg);
}
memcpy (buf + size, msg->GetBuffer (), msg->GetLength ());
size += msg->GetLength ();
DeleteI2NPMessage (msg);
@ -304,9 +314,10 @@ namespace garlic
{
if (key)
{
uint32_t ts = i2p::util::GetSecondsSinceEpoch ();
auto decryption = std::make_shared<i2p::crypto::CBCDecryption>();
decryption->SetKey (key);
m_Tags[SessionTag(tag)] = decryption;
m_Tags[SessionTag(tag, ts)] = decryption;
}
}
@ -314,7 +325,7 @@ namespace garlic
{
uint8_t * buf = msg->GetPayload ();
uint32_t length = be32toh (*(uint32_t *)buf);
buf += 4; // lentgh
buf += 4; // length
auto it = m_Tags.find (SessionTag(buf));
if (it != m_Tags.end ())
{