Hriatna (knowledge base) a ni Hood hnuaiah chuan

Protocol leh thil thleng hrang hrang

Nymchat-in wire-a a dah tak tak chu, a dodaltu tu tan pawh, auditing emaw, Nostr client dang atanga thil thleng chhiar emaw.

He page hi awlsam zawk nan machine hmanga lehlin a ni. English original hi a hman dan tur version a ni.

Event chi hrang hrang

Lainat	A hmanna tur	Notes te chu
`0`	Profile metadata a awm bawk	Standard Nostr profile: hming, thlalak, banner, chungchang, `lud16`.
`5`	Deletion dilna a awm bawk	NIP-09 a ni.
`7`	Reaction hrang hrangte	NIP-25, a ni a `['k', originalKind]` tag a nih avangin channel type dik takah reaction a file a ni.
`13`	Char	NIP-17 message a middle layer a ni.
`14`	Private message thuthang a awm	Unsigned, leh a mah chauhva tihchhuah ngai lo.
`1059`	Thilpek wrap a ni	NIP-59 a ni. Private message leh group chat atan relay thleng tak tak.
`1984`	Report pek a ni	NIP-56 a ni.
`9734` / `9735`	Zap dilna leh zap receipt	NIP-57 a ni.
`10030`	Custom emoji pack list a awm bawk	NIP-30 a ni.
`20000`	Geohash channel hmanga thuchah	Ephemeral, tagged a ni `['g', geohash]`.
`23333`	Channel hming vuah a ni	Ephemeral, tagged a ni `['d', channel]`.
`24420` / `24421`	Public type indicator leh read receipt te a awm bawk	Nymchat-specific, vantlang channel hrang hrang tan.
`25051` / `25052`	Peer-to-peer signaling leh file-transfer dinhmun	Nymchat-a hman tur bik.
`30030`	Custom emoji sets te pawh a awm	NIP-30 a ni.
`30078`	A hman dan tur data	NIP-78 a ni. Polls, leh encrypted settings te chu a inmil vek a ni.
`69420`	Private read receipt leh delivery dinhmun	Nymchat-specific, gift wrap chhunga thuthang anga phur. A hran chi khat from `14` tumruh takin, chuvangin NIP-17 client dangte chuan receipt apiangah blank direct message an render lo.

NIPs Nymchat hian a kalpui thin

NIP	Eng nge a pek Nymchat
NIP-07 a ni	Browser extension hmangin login rawh.
NIP-09 a ni	Deletion dilna a awm bawk.
NIP-13 a ni	Hnathawh a nihna finfiahna. Outgoing message te chu bit 16 tal mined a ni.
NIP-17 a ni	Private direct message, leh group chat neihna tur a ni.
NIP-25 a ni	Reaction hrang hrangte.
NIP-30 a ni	Custom emoji a ni.
NIP-40 a ni	Expiration timestamps — thuchah bo tawh.
NIP-44 a ni	Versioned encryption, seal, wrap leh settings sync na atana hman thin.
NIP-46 a ni	Hmun hla tak atanga signing — . `bunker://`.
NIP-56 a ni	Report pek a ni.
NIP-57 a ni	Lightning zap a ni.
NIP-59 a ni	Thilpek wraps a awm.
NIP-78 a ni	A duh duhin dilna data.
NIP-98 hmanga siam a ni	HTTP auth, hosted endpoints te tan a ni.

Cryptography hmanga thil tih a ni

Khawnge	Engnge
Identity leh signatures te	secp256k1 chu Schnorr signatures (BIP-340) nen, Nostr-in a tarlan angin.
Private message leh group chat te pawh a awm thei	NIP-44 v2: ECDH on secp256k1, HKDF-SHA256, ChaCha20 with HMAC-SHA256, leh padding so ciphertext sei zawng hian message sei zawng a pe chhuak lo.
Bluetooth mesh hmanga session neih a ni	Noise XX — X25519, ChaCha20-Poly1305 (IETF), Ed25519 te chu announce signatures atan, SHA-256 leh HMAC hnuaiah te a awm bawk.
Chawlh hahdam laia identity	AES-GCM-256 hmanga tihchhuah a ni. Key hi password emaw PIN emaw atan iterations 310,000-ah PBKDF2-SHA256 atanga lo chhuak a ni a, passkey emaw biometric emaw atan HKDF-SHA256 kaltlangin WebAuthn PRF output atanga lo chhuak a ni bawk.
Call leh file transfer te pawh a awm bawk	WebRTC ngeiin DTLS-SRTP a siam a, NIP-17-a inthuam signalling hmanga inremna siam a ni.
Randomness a ni	Platform CSPRNG zawng zawng — keys, nonces, leh gift-wrap timestamp jitter te.

Metadata humhalhna a ni

Gift-wrap path-a details pahnih hi koh chhuah tlak a ni a, a chhan chu NIP-59 inthliarna siamtu an nih vang a ni from "encrypted, mahse a chiang e nangmah atanga anmahni thlengin":

Wrap tin hi a sign vek a vawi khat hmanna key chu thuchah chauh atan chuan siam chhuah a ni a, . chuvangin wrap pahnih hian sender pakhat an share lo.
Wrap zawng zawng a ni created_at hi random takin mi pahnih thleng backdated a ni darkar tam tak a ni CSPRNG hmangin, chuvangin thawn leh dawn hun chu line up theih a ni lo.

Group chat-ah hian rotating ephemeral a awm a dawngtu a ni keys chungah chuan — en rawh Group encryption hnathawh dan.

A chhuahna hmun chhiar

Crypto primitives te chu an in js/nym-crypto.js leh js/modules/key-vault.js web app-ah, leh a hnuaiah android-ios-app/lib/core/crypto/ leh lib/services/mesh/noise/ Flutter app ah a awm. Chumi thil dahkhawmna hmun a ni is AGPL-3.0 leh complete — rinna lak tur closed component a awm lo.