Evgeny
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f913bdf351
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stcp: streaming TCP module + stream cipher + comprehensive tests
- secure_channel: add sc_stream_state + sc_stream_init/sc_stream_xor/sc_stream_cleanup
AES-128-CTR streaming cipher for incremental encrypt/decrypt
- stcp.h/c: shared stcp_conn lifecycle, set_on_close, rx/tx queue setup
- stcp_server: listen/accept, handshake (obfuscated pubkey + ECDH + stream), DATA phase
- stcp_client: connect, handshake, DATA phase
- Protocol: key_block(72) + enc(data+crc) + padding for handshake
size(2 LE) + enc(data+crc) for data messages
- Tests: test_stream_cipher (AES-CTR correctness)
test_stcp (6 cases: sizes 0..65535, 200 msgs, wrong key,
close detection, multi-client, interleaved send/recv)
- Fix: 0-length message handling in tx_queue callbacks
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4 months ago |
