Isi ihe ọmụma N'okpuru mkpuchi

Protocol na ihe omume

Ihe Nymchat na-etinye n'ezie na waya, maka onye ọ bụla na-ewu megide ya, nyochaa ya, ma ọ bụ ịgụ ihe omume sitere n'aka onye ahịa Nostr ọzọ.

A sụgharịrị ibe a n'igwe maka ịdị mma. The English mbụ bụ ụdị nke na-emetụta.

Ụdị mmemme

Ụdị	Eji maka	Ihe ndetu
`0`	metadata profaịlụ	Profaịlụ Nostr ọkọlọtọ: aha, foto, ọkọlọtọ, gbasara, `lud16`.
`5`	Arịrịọ ihichapụ	NIP-09.
`7`	Mmeghachi omume	NIP-25, ya na a `['k', originalKind]` mkpado ka ewee mmeghachi omume megide ụdị ọwa ziri ezi.
`13`	Akara	Oghere etiti nke ozi NIP-17.
`14`	Asịrị ozi nkeonwe	Ebinyeghị aka na ya, na ebipụtaghị ya n'onwe ya.
`1059`	Ihe mkpuchi onyinye	NIP-59. Ihe na-erute n'ezie ọsọ agba anọ maka ozi nzuzo na nkata otu.
`1984`	Na-akọ akụkọ	NIP-56.
`9734` / `9735`	Arịrịọ Zap na nnata zap	NIP-57.
`10030`	Ndepụta ngwugwu emoji omenala	NIP-30.
`20000`	Ozi ọwa Geohash	Ephemeral, mkpado `['g', geohash]`.
`23333`	Aha ozi ọwa	Ephemeral, mkpado `['d', channel]`.
`24420` / `24421`	Ihe nrịbama pịnye ọhaneze wee gụọ nnata	Nymchat kpọmkwem, maka ọwa ọha.
`25051` / `25052`	Ngosipụta ndị ọgbọ na ndị ọgbọ na ọkwa mbufe faịlụ	Nymchat kpọmkwem.
`30030`	Ntọala emoji omenala	NIP-30.
`30078`	Data ngwa	NIP-78. Ntuli aka na nhazi ntọala ezoro ezo.
`69420`	Nnata ọgụgụ nkeonwe yana ọkwa nnyefe	Nymchat-kpọmkwem, ebu dị ka asịrị n'ime ihe mkpuchi onyinye. Ụdị dị iche iche si `14` kpachaara anya, yabụ ndị ahịa NIP-17 ndị ọzọ anaghị enye ozi ozugbo maka nnata ọ bụla.

NIPs Nymchat na-arụ ọrụ

NIP	Ihe ọ na-enye Nymchat
NIP-07	Jiri ndọtị ihe nchọgharị wee banye.
NIP-09	Arịrịọ ihichapụ.
NIP-13	Ihe akaebe nke ọrụ. A na-egwupụta ozi na-apụ apụ na opekata mpe 16.
NIP-17	Ozi ozugbo nkeonwe, yana ndabere maka nkata otu.
NIP-25	Mmeghachi omume.
NIP-30	Emoji omenala.
NIP-40	Oge ngwụcha oge - ozi na-apụ n'anya.
NIP-44	Izo ya ezo nke ụdịdị, ejiri maka akara, ihe mkpuchi na mmekọrịta ntọala.
NIP-46	mbinye aka tere aka - `bunker://`.
NIP-56	Na-akọ akụkọ.
NIP-57	Ọkụ ọkụ.
NIP-59	Ihe mkpuchi onyinye.
NIP-78	Data ngwa aka ike.
NIP-98	HTTP auth, maka njedebe njedebe akwadoro.

Cryptography

Ebee	Kedu
njirimara na mbinye aka	secp256k1 nwere mbinye aka Schnorr (BIP-340), dịka Nostr siri kọwaa.
Ozi onwe na nkata otu	NIP-44 v2: ECDH na secp256k1, HKDF-SHA256, ChaCha20 nwere HMAC-SHA256, na padding otú ogologo ciphertext adịghị enye ogologo ozi pụọ.
Oge ntupu Bluetooth	Noise XX — X25519, ChaCha20-Poly1305 (IETF), Ed25519 maka ịkpọsa mbinye aka, SHA-256 na HMAC n'okpuru.
njirimara na izu ike	AES-GCM-256. Igodo ahụ si na PBKDF2-SHA256 na 310,000 iterations maka paswọọdụ ma ọ bụ PIN, ma ọ bụ site na WebAuthn PRF mmepụta site na HKDF-SHA256 maka passkey ma ọ bụ biometric.
Oku na mbufe faịlụ	WebRTC nwe DTLS-SRTP, kparita uka n'igosi NIP-17 kechie.
Enweghị usoro	Ikpo okwu CSPRNG niile - igodo, nonces, na ihe mkpuchi timestamp onyinye.

Nchedo metadata

Nkọwa abụọ dị na ụzọ ihe mkpuchi onyinye kwesịrị ịkpọ, n'ihi na ha bụ ihe dị iche iche NIP-59 site na "ezoro ezo, mana o doro anya na site na gị ruo ha":

Ihe mkpuchi ọ bụla bụ nke a bịanyere aka na ya igodo otu oge emepụtara maka ozi ahụ naanị, ya mere, ọ dịghị ihe mkpuchi abụọ na-ekekọrịta onye na-ezipụ.
Ihe mkpuchi ọ bụla created_at bụ na-akwadoghị ihe ruru abụọ awa iji CSPRNG, yabụ oge izipu na ịnata enweghị ike ịdekọ.

Mkparịta ụka otu na-agbakwunye ephemeral na-atụgharị onye nnata igodo n'elu nke ahụ - lee Ka otu nzuzo si arụ ọrụ.

Na-agụ isi iyi

Ihe mbụ crypto dị na js/nym-crypto.js na js/modules/key-vault.js na ngwa webụ, na n'okpuru android-ios-app/lib/core/crypto/ na lib/services/mesh/noise/ na ngwa Flutter. Nke ebe nchekwa bụ AGPL-3.0 ma zuo oke - enweghị akụrụngwa mechiri emechi iji nweta ntụkwasị obi.