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process extended indetities for LeaseSets

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orignal 2014-08-21 21:57:24 -04:00
parent b77325c689
commit 2aaac1a0d5
5 changed files with 172 additions and 17 deletions
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22
LeaseSet.cpp
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@ -62,15 +62,17 @@ namespace data
void LeaseSet::ReadFromBuffer ()
{
const LeaseSetHeader * header = (const LeaseSetHeader *)m_Buffer;
m_Identity = header->destination;
m_IdentHash = m_Identity.Hash();
memcpy (m_EncryptionKey, header->encryptionKey, 256);
LogPrint ("LeaseSet num=", (int)header->num);
size_t size = m_Identity.FromBuffer (m_Buffer, m_BufferLen);
memcpy (m_EncryptionKey, m_Buffer + size, 256);
size += 256; // encryption key
size += m_Identity.GetSigningPublicKeyLen (); // unused signing key
uint8_t num = m_Buffer[size];
size++; // num
LogPrint ("LeaseSet num=", (int)num);
// process leases
const uint8_t * leases = m_Buffer + sizeof (LeaseSetHeader);
for (int i = 0; i < header->num; i++)
const uint8_t * leases = m_Buffer + size;
for (int i = 0; i < num; i++)
{
Lease lease = *(Lease *)leases;
lease.tunnelID = be32toh (lease.tunnelID);
@ -88,11 +90,7 @@ namespace data
}
// verify
CryptoPP::DSA::PublicKey pubKey;
pubKey.Initialize (i2p::crypto::dsap, i2p::crypto::dsaq, i2p::crypto::dsag,
CryptoPP::Integer (m_Identity.signingKey, 128));
CryptoPP::DSA::Verifier verifier (pubKey);
if (!verifier.VerifyMessage (m_Buffer, leases - m_Buffer, leases, 40))
if (!m_Identity.Verify (m_Buffer, leases - m_Buffer, leases))
LogPrint ("LeaseSet verification failed");
}