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reject routers with RSA signatures

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orignal 2017-11-13 11:25:42 -05:00
parent 34d6eb52d0
commit 0c34bd440b
1 changed files with 8 additions and 0 deletions
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8
libi2pd/RouterInfo.cpp
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@ -132,6 +132,14 @@ namespace data
}
if (verifySignature)
{
// reject RSA signatures
auto sigType = m_RouterIdentity->GetSigningKeyType ();
if (sigType <= SIGNING_KEY_TYPE_RSA_SHA512_4096 && sigType >= SIGNING_KEY_TYPE_RSA_SHA256_2048)
{
LogPrint (eLogError, "RouterInfo: RSA signature type ", sigType, " is not allowed");
m_IsUnreachable = true;
return;
}
// verify signature
int l = m_BufferLen - m_RouterIdentity->GetSignatureLen ();
if (l < 0 || !m_RouterIdentity->Verify ((uint8_t *)m_Buffer, l, (uint8_t *)m_Buffer + l))