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Middle Proxy Drafts

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Co-Authored-By: brekotis <93345790+brekotis@users.noreply.github.com>
This commit is contained in:
Alexey
2026-02-13 03:51:36 +03:00
parent e6bf7ac40e
commit a494dfa9eb
7 changed files with 430 additions and 7 deletions
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7
src/proxy/handshake.rs
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@@ -256,6 +256,7 @@ where
/// Generate nonce for Telegram connection
pub fn generate_tg_nonce(
proto_tag: ProtoTag,
dc_idx: i16,
client_dec_key: &[u8; 32],
client_dec_iv: u128,
rng: &SecureRandom,
@@ -274,6 +275,8 @@ pub fn generate_tg_nonce(
if RESERVED_NONCE_CONTINUES.contains(&continue_four) { continue; }
nonce[PROTO_TAG_POS..PROTO_TAG_POS + 4].copy_from_slice(&proto_tag.to_bytes());
// CRITICAL: write dc_idx so upstream DC knows where to route
nonce[DC_IDX_POS..DC_IDX_POS + 2].copy_from_slice(&dc_idx.to_le_bytes());
if fast_mode {
nonce[SKIP_LEN..SKIP_LEN + KEY_LEN].copy_from_slice(client_dec_key);
@@ -320,7 +323,7 @@ mod tests {
let rng = SecureRandom::new();
let (nonce, _tg_enc_key, _tg_enc_iv, _tg_dec_key, _tg_dec_iv) =
generate_tg_nonce(ProtoTag::Secure, &client_dec_key, client_dec_iv, &rng, false);
generate_tg_nonce(ProtoTag::Secure, 2, &client_dec_key, client_dec_iv, &rng, false);
assert_eq!(nonce.len(), HANDSHAKE_LEN);
@@ -335,7 +338,7 @@ mod tests {
let rng = SecureRandom::new();
let (nonce, _, _, _, _) =
generate_tg_nonce(ProtoTag::Secure, &client_dec_key, client_dec_iv, &rng, false);
generate_tg_nonce(ProtoTag::Secure, 2, &client_dec_key, client_dec_iv, &rng, false);
let encrypted = encrypt_tg_nonce(&nonce);