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support of RI with EcDSA

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orignal 2014-11-20 12:21:27 -05:00
parent a449dc1377
commit f9ec60265a
6 changed files with 25 additions and 39 deletions
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24
RouterInfo.cpp
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@ -55,10 +55,9 @@ namespace data
// don't delete buffer until save to file
}
void RouterInfo::SetRouterIdentity (const Identity& identity)
void RouterInfo::SetRouterIdentity (const IdentityEx& identity)
{
m_RouterIdentity = identity;
m_IdentHash = m_RouterIdentity.Hash ();
m_Timestamp = i2p::util::GetMillisecondsSinceEpoch ();
}
@ -95,28 +94,15 @@ namespace data
void RouterInfo::ReadFromBuffer (bool verifySignature)
{
size_t identityLen = DEFAULT_IDENTITY_SIZE;
memcpy (&m_RouterIdentity, m_Buffer, DEFAULT_IDENTITY_SIZE);
if (m_RouterIdentity.certificate.type != CERTIFICATE_TYPE_NULL)
{
LogPrint (eLogError, "Certificate type ", m_RouterIdentity.certificate.type, " is not supported");
SetUnreachable (true);
return;
}
size_t identityLen = m_RouterIdentity.FromBuffer (m_Buffer, m_BufferLen);
std::stringstream str (std::string ((char *)m_Buffer + identityLen, m_BufferLen - identityLen));
ReadFromStream (str);
if (verifySignature)
{
// verify signature
CryptoPP::DSA::PublicKey pubKey;
pubKey.Initialize (i2p::crypto::dsap, i2p::crypto::dsaq, i2p::crypto::dsag, CryptoPP::Integer (m_RouterIdentity.signingKey, 128));
CryptoPP::DSA::Verifier verifier (pubKey);
int l = m_BufferLen - 40;
if (!verifier.VerifyMessage ((uint8_t *)m_Buffer, l, (uint8_t *)m_Buffer + l, 40))
{
int l = m_BufferLen - m_RouterIdentity.GetSignatureLen ();
if (!m_RouterIdentity.Verify ((uint8_t *)m_Buffer, l, (uint8_t *)m_Buffer + l))
LogPrint (eLogError, "signature verification failed");
}
}
}
@ -234,8 +220,6 @@ namespace data
if (!strcmp (key, "caps"))
ExtractCaps (value);
}
CryptoPP::SHA256().CalculateDigest(m_IdentHash, (uint8_t *)&m_RouterIdentity, sizeof (m_RouterIdentity));
if (!m_SupportedTransports || !m_Addresses.size() || (UsesIntroducer () && !introducers))
SetUnreachable (true);