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don't create enryptor for ECIES record encryption

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orignal 2021-07-25 22:30:54 -04:00
parent cd8e8970de
commit 99c7d5c23a
1 changed files with 3 additions and 6 deletions
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9
libi2pd/TunnelConfig.cpp
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@ -131,17 +131,14 @@ namespace tunnel
void ECIESTunnelHopConfig::EncryptECIES (const uint8_t * plainText, size_t len, uint8_t * encrypted)
{
auto encryptor = ident->CreateEncryptor (nullptr);
if (!encryptor) return;
uint8_t hepk[32];
encryptor->Encrypt (nullptr, hepk, nullptr, false);
i2p::crypto::InitNoiseNState (*this, hepk);
if (!ident) return;
i2p::crypto::InitNoiseNState (*this, ident->GetEncryptionPublicKey ());
auto ephemeralKeys = i2p::transport::transports.GetNextX25519KeysPair ();
memcpy (encrypted, ephemeralKeys->GetPublicKey (), 32);
MixHash (encrypted, 32); // h = SHA256(h || sepk)
encrypted += 32;
uint8_t sharedSecret[32];
ephemeralKeys->Agree (hepk, sharedSecret); // x25519(sesk, hepk)
ephemeralKeys->Agree (ident->GetEncryptionPublicKey (), sharedSecret); // x25519(sesk, hepk)
MixKey (sharedSecret);
uint8_t nonce[12];
memset (nonce, 0, 12);