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extract ret code per hop

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orignal 2021-07-08 16:39:38 -04:00
parent ed0c2e68a5
commit d73b42b726
3 changed files with 24 additions and 21 deletions
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15
libi2pd/TunnelConfig.cpp
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@ -113,12 +113,13 @@ namespace tunnel
memcpy (record + BUILD_REQUEST_RECORD_TO_PEER_OFFSET, (const uint8_t *)ident->GetIdentHash (), 16);
}
bool ElGamalTunnelHopConfig::DecryptBuildResponseRecord (const uint8_t * encrypted, uint8_t * clearText) const
bool ElGamalTunnelHopConfig::DecryptBuildResponseRecord (uint8_t * records) const
{
uint8_t * record = records + recordIndex*TUNNEL_BUILD_RECORD_SIZE;
i2p::crypto::CBCDecryption decryption;
decryption.SetKey (replyKey);
decryption.SetIV (replyIV);
decryption.Decrypt (encrypted, TUNNEL_BUILD_RECORD_SIZE, clearText);
decryption.Decrypt (record, TUNNEL_BUILD_RECORD_SIZE, record);
return true;
}
@ -176,11 +177,12 @@ namespace tunnel
memcpy (record + BUILD_REQUEST_RECORD_TO_PEER_OFFSET, (const uint8_t *)ident->GetIdentHash (), 16);
}
bool LongECIESTunnelHopConfig::DecryptBuildResponseRecord (const uint8_t * encrypted, uint8_t * clearText) const
bool LongECIESTunnelHopConfig::DecryptBuildResponseRecord (uint8_t * records) const
{
uint8_t * record = records + recordIndex*TUNNEL_BUILD_RECORD_SIZE;
uint8_t nonce[12];
memset (nonce, 0, 12);
if (!DecryptECIES (m_CK, nonce, encrypted, TUNNEL_BUILD_RECORD_SIZE, clearText))
if (!DecryptECIES (m_CK, nonce, record, TUNNEL_BUILD_RECORD_SIZE, record))
{
LogPrint (eLogWarning, "Tunnel: Response AEAD decryption failed");
return false;
@ -223,12 +225,13 @@ namespace tunnel
memcpy (record + BUILD_REQUEST_RECORD_TO_PEER_OFFSET, (const uint8_t *)ident->GetIdentHash (), 16);
}
bool ShortECIESTunnelHopConfig::DecryptBuildResponseRecord (const uint8_t * encrypted, uint8_t * clearText) const
bool ShortECIESTunnelHopConfig::DecryptBuildResponseRecord (uint8_t * records) const
{
uint8_t * record = records + recordIndex*SHORT_TUNNEL_BUILD_RECORD_SIZE;
uint8_t nonce[12];
memset (nonce, 0, 12);
nonce[4] = recordIndex; // nonce is record index
if (!DecryptECIES (replyKey, nonce, encrypted, SHORT_TUNNEL_BUILD_RECORD_SIZE, clearText))
if (!DecryptECIES (replyKey, nonce, record, SHORT_TUNNEL_BUILD_RECORD_SIZE, record))
{
LogPrint (eLogWarning, "Tunnel: Response AEAD decryption failed");
return false;