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use VerifyDigest for verification

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orignal
2014-12-21 21:32:21 -05:00
parent 0972782553
commit 5221e09b67
3 changed files with 4 additions and 11 deletions
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5
NTCPSession.cpp
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@@ -255,11 +255,10 @@ namespace transport
m_Decryption.Decrypt((uint8_t *)&m_Establisher->phase2.encrypted, sizeof(m_Establisher->phase2.encrypted), (uint8_t *)&m_Establisher->phase2.encrypted);
// verify
uint8_t xy[512], hxy[32];
uint8_t xy[512];
memcpy (xy, m_DHKeysPair->publicKey, 256);
memcpy (xy + 256, m_Establisher->phase2.pubKey, 256);
CryptoPP::SHA256().CalculateDigest(hxy, xy, 512);
if (memcmp (hxy, m_Establisher->phase2.encrypted.hxy, 32))
if (!CryptoPP::SHA256().VerifyDigest(m_Establisher->phase2.encrypted.hxy, xy, 512))
{
LogPrint (eLogError, "Incorrect hash");
transports.ReuseDHKeysPair (m_DHKeysPair);