55 lines
1.7 KiB
Markdown
55 lines
1.7 KiB
Markdown
# **M**ethanium **T**ransport **P**rotocol
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**MTP** is a **m**odular **t**ransport **p**rotocol by Methanium.
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## Crates
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- Codec
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- Transport
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- Common
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- Crypto
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- TypeMap
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- Registry
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- Host
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- Client
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## Codec
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The Codec crate handles encoding and decoding of MTP packets using Communication Types and Data Types from the Registry.
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**Data Values:**
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- Container
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- Encrypted Container (requires `crypto` feature)
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- Signed Integer
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- Unsigned Integer
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- Boolean
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- Signed Float
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- String
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- Array
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- Binary (List of Bytes)
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Encoding/decoding uses a `TypeMap` to resolve type names to wire IDs.
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The Codec uses the Crypto crate to encrypt and decrypt Encrypted Containers.
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---
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## Transport
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The Transport crate wraps QUIC using `wtransport`. It provides `Sender`/`Receiver` for bidirectional message passing over QUIC streams.
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## Common
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Common handles logging and error handling. Personal information reported to Common will be anonymized.
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## Crypto Stack
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| Crate | Audited? | Notes |
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| ---------------- | -------- | ------------------------------------------------ |
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| ml-dsa | No | NIST vectors pass; regression bug fixed Jan 2026 |
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| ed25519-dalek | Yes | Used by Signal, Diem |
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| chacha20poly1305 | Yes | NCC Group audit, Dec 2019 |
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| aes-gcm | Yes | NCC Group audit, Dec 2019 |
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| hkdf | No | Simple construction; well-reviewed |
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| sha2 | No | Standard construction; widely reviewed |
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| zeroize | No | Simple; widely used |
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| mlkem-tls | No | mlkem-rs backend unaudited |
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