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I2P: End-to-End encrypted and anonymous Internet
https://i2pd.website/
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44 lines
1.1 KiB
44 lines
1.1 KiB
#include <openssl/rand.h> |
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#include "Crypto.h" |
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#include "Ed25519.h" |
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#include "ChaCha20.h" |
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#include "Poly1305.h" |
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#include "NTCP2.h" |
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namespace i2p |
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{ |
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namespace transport |
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{ |
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NTCP2Session::NTCP2Session (std::shared_ptr<const i2p::data::RouterInfo> in_RemoteRouter): |
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TransportSession (in_RemoteRouter, 30) |
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{ |
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} |
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NTCP2Session::~NTCP2Session () |
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{ |
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} |
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void NTCP2Session::CreateEphemeralKey (uint8_t * pub) |
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{ |
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uint8_t key[32]; |
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RAND_bytes (key, 32); |
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i2p::crypto::Ed25519::ExpandPrivateKey (key, m_ExpandedPrivateKey); |
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BN_CTX * ctx = BN_CTX_new (); |
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auto publicKey = i2p::crypto::GetEd25519 ()->GeneratePublicKey (m_ExpandedPrivateKey, ctx); |
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i2p::crypto::GetEd25519 ()->EncodePublicKey (publicKey, pub, ctx); |
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BN_CTX_free (ctx); |
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} |
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void NTCP2Session::SendSessionRequest (const uint8_t * iv) |
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{ |
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i2p::crypto::AESAlignedBuffer<32> x; |
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CreateEphemeralKey (x); |
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// encrypt X |
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i2p::crypto::CBCEncryption encryption; |
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encryption.SetKey (GetRemoteIdentity ()->GetIdentHash ()); |
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encryption.SetIV (iv); |
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encryption.Encrypt (2, x.GetChipherBlock (), x.GetChipherBlock ()); |
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} |
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} |
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} |
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