Crate cp_sync 

CP Sync - Merkle trees, cognitive diffs, and crypto

Provides:

• Diff generation and application
• Encryption (XChaCha20-Poly1305)
• Signatures (Ed25519)
• Device identity and pairing (X25519 key agreement)
• Serialization (CBOR + zstd compression)

Structs

CryptoEngine

Cryptographic engine for encrypting and signing diffs

DeviceIdentity

Device identity containing signing keys and derived key agreement keys

EncryptedPayload

Encrypted payload for transmission

MerkleTree

Merkle tree for computing state roots

PairedDevice

A paired remote device with derived encryption key

PairingConfirmation

Pairing confirmation containing mutual verification data

PairingRequest

Pairing request containing public keys for key agreement

SignedDiff

Signed diff wrapper for relay transmission

Functions

deserialize_diff

Decompress and deserialize a diff from CBOR

serialize_diff

Serialize a diff to CBOR and compress