PurpleI2P
/
i2pd
mirror of https://github.com/PurpleI2P/i2pd.git
1
0
Fork 0
Code Issues Releases Activity
Browse Source

MixHash(sepk) added

pull/1565/head
orignal 4 years ago
parent
ef5495bfb2
commit
21d99e355c
1 changed files with 5 additions and 3 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 8
      libi2pd/TunnelConfig.cpp

8
libi2pd/TunnelConfig.cpp
Unescape View File

@ -98,7 +98,7 @@ namespace tunnel
clearText[ECIES_BUILD_REQUEST_RECORD_FLAG_OFFSET] = flag; clearText[ECIES_BUILD_REQUEST_RECORD_FLAG_OFFSET] = flag;
memset (clearText + ECIES_BUILD_REQUEST_RECORD_MORE_FLAGS_OFFSET, 0, 3); // set to 0 for compatibility memset (clearText + ECIES_BUILD_REQUEST_RECORD_MORE_FLAGS_OFFSET, 0, 3); // set to 0 for compatibility
htobe32buf (clearText + ECIES_BUILD_REQUEST_RECORD_REQUEST_TIME_OFFSET, i2p::util::GetMinutesSinceEpoch ()); htobe32buf (clearText + ECIES_BUILD_REQUEST_RECORD_REQUEST_TIME_OFFSET, i2p::util::GetMinutesSinceEpoch ());
htobe32buf (clearText + ECIES_BUILD_REQUEST_RECORD_REQUEST_EXPIRATION_OFFSET, i2p::util::GetSecondsSinceEpoch () + 600); // 10 minutes htobe32buf (clearText + ECIES_BUILD_REQUEST_RECORD_REQUEST_EXPIRATION_OFFSET, 600); // +10 minutes
htobe32buf (clearText + ECIES_BUILD_REQUEST_RECORD_SEND_MSG_ID_OFFSET, replyMsgID); htobe32buf (clearText + ECIES_BUILD_REQUEST_RECORD_SEND_MSG_ID_OFFSET, replyMsgID);
memset (clearText + ECIES_BUILD_REQUEST_RECORD_PADDING_OFFSET, 0, ECIES_BUILD_REQUEST_RECORD_CLEAR_TEXT_SIZE - ECIES_BUILD_REQUEST_RECORD_PADDING_OFFSET); memset (clearText + ECIES_BUILD_REQUEST_RECORD_PADDING_OFFSET, 0, ECIES_BUILD_REQUEST_RECORD_CLEAR_TEXT_SIZE - ECIES_BUILD_REQUEST_RECORD_PADDING_OFFSET);
if (encryptor) if (encryptor)
@ -133,9 +133,11 @@ namespace tunnel
SHA256 (ck, 32, h); // h = SHA256(h); SHA256 (ck, 32, h); // h = SHA256(h);
uint8_t hepk[32]; uint8_t hepk[32];
encryptor->Encrypt (nullptr, hepk, nullptr, false); encryptor->Encrypt (nullptr, hepk, nullptr, false);
MixHash (hepk, 32); MixHash (hepk, 32); // h = SHA256(h || hepk)
auto ephemeralKeys = i2p::transport::transports.GetNextX25519KeysPair (); auto ephemeralKeys = i2p::transport::transports.GetNextX25519KeysPair ();
memcpy (encrypted, ephemeralKeys->GetPublicKey (), 32); encrypted += 32; memcpy (encrypted, ephemeralKeys->GetPublicKey (), 32);
MixHash (encrypted, 32); // h = SHA256(h || sepk)
encrypted += 32;
uint8_t sharedSecret[32]; uint8_t sharedSecret[32];
ephemeralKeys->Agree (hepk, sharedSecret); // x25519(sesk, hepk) ephemeralKeys->Agree (hepk, sharedSecret); // x25519(sesk, hepk)
uint8_t keydata[64]; uint8_t keydata[64];

Write Preview
Loading…
Cancel
Save