Tushen ilimi Karkashin kaho

Protocol da abubuwan da suka faru

Abin da Nymchat a zahiri ya sanya akan waya, ga duk wanda ya yi gini da shi, duba shi, ko karanta abubuwan da suka faru daga wani abokin ciniki na Nostr.

An fassara wannan shafin na inji don dacewa. Asalin Ingilishi shine sigar da ke aiki.

Ire-iren abubuwan

Irin	An yi amfani da shi don	Bayanan kula
`0`	Bayanan bayanan martaba	Standard Nostr profile: suna, hoto, banner, game da, `lud16`.
`5`	Buƙatun gogewa	NIP-09.
`7`	Martani	NIP-25, tare da a `['k', originalKind]` alama don haka an shigar da martani akan nau'in tashar dama.
`13`	Hatimi	Matsakaicin layin saƙon NIP-17.
`14`	Jita-jita na saƙon sirri	Ba a sanya hannu ba, kuma ba a taɓa buga shi da kansa ba.
`1059`	Kunshin kyauta	NIP-59. Abin da a zahiri ya kai ga aika saƙonnin sirri da tattaunawar rukuni.
`1984`	Rahoto	NIP-56.
`9734` / `9735`	Buƙatar Zap da karɓar zap	NIP-57.
`10030`	Jerin fakitin emoji na al'ada	NIP-30.
`20000`	Sakon tashar tashar Geohash	Ephemeral, tagged `['g', geohash]`.
`23333`	Sakon tashar mai suna	Ephemeral, tagged `['d', channel]`.
`24420` / `24421`	Alamomin bugu na jama'a da karanta rasit	Nymchat-takamaiman, don tashoshin jama'a.
`25051` / `25052`	Alamar-tsara-zuwa-tsara da matsayi-canja wurin fayil	Nymchat-takamaiman.
`30030`	Saitin emoji na al'ada	NIP-30.
`30078`	Bayanan aikace-aikace	NIP-78. Zaɓuɓɓuka, da rufaffen saituna suna aiki tare.
`69420`	Rasidun karantawa na sirri da matsayin bayarwa	Nymchat-takamaiman, wanda aka ɗauka azaman jita-jita a cikin kundi na kyauta. Wani nau'in dabam daga `14` da gangan, don haka sauran abokan ciniki na NIP-17 ba sa yin saƙon kai tsaye na kowane rasitu.

NIPs Nymchat yana aiwatarwa

NIP	Abin da ya ba Nymchat
Farashin NIP-07	Shiga tare da tsawo na mai lilo.
NIP-09	Buƙatun gogewa.
NIP-13	Tabbacin aiki. Ana hako saƙonni masu fita zuwa aƙalla rago 16.
NIP-17	Saƙonnin kai tsaye masu zaman kansu, da tushen tattaunawar rukuni.
NIP-25	Martani.
NIP-30	Emoji na al'ada.
NIP-40	Tamburan lokacin ƙarewa - saƙonni masu ɓacewa.
NIP-44	Siffar ɓoyayyen ɓoyayyen, ana amfani da shi don hatimi, nannade da daidaita saituna.
NIP-46	Sa hannu mai nisa - `bunker://`.
NIP-56	Rahoto.
NIP-57	Walƙiya zaps.
NIP-59	Kundin kyauta.
NIP-78	Bayanan aikace-aikace na sabani.
NIP-98	HTTP auth, don wuraren ƙarshen da aka shirya.

Rubutun Rubutu

Ina	Menene
Identity da sa hannu	secp256k1 tare da sa hannun Schnorr (BIP-340), kamar yadda Nostr ya ƙayyade.
Saƙonni masu zaman kansu da tattaunawar rukuni	NIP-44 v2: ECDH akan secp256k1, HKDF-SHA256, ChaCha20 tare da HMAC-SHA256, da padding don haka tsayin rubutun baya ba da tsayin saƙon.
Zaman ragar Bluetooth	Noise XX — X25519, ChaCha20-Poly1305 (IETF), Ed25519 don sanar da sa hannu, SHA-256 da HMAC a ƙasa.
Identity a hutawa	AES-GCM-256. Makullin ya fito daga PBKDF2-SHA256 a 310,000 iterations don kalmar sirri ko PIN, ko kuma daga fitowar WebAuthn PRF ta hanyar HKDF-SHA256 don maɓalli ko tsarin halitta.
Kira da canja wurin fayil	WebRTC na kansa DTLS-SRTP, yayi shawarwari akan sigina na NIP-17.
Bazuwar	Dandalin CSPRNG a ko'ina - maɓallai, nonces, da kyautar kundi timestamp jitter.

Kariyar metadata

Biyu cikakkun bayanai a cikin hanyar kyauta-nade suna da daraja kira, saboda su ne abin da ke raba NIP-59 daga "Rufewa, amma a fili daga gare ku zuwa gare su":

Kowane kunsa yana da sa hannun a makullin lokaci daya aka samar don wannan sakon kadai, don haka kada kude biyu raba mai aikawa.
Kowane kunsa created_at shine bazuwar baya da har zuwa biyu hours amfani da CSPRNG, don haka aikawa da karɓa ba za a iya jera layi ba.

Tattaunawar rukuni suna ƙara ephemeral mai juyawa mai karɓa makullin saman wannan - duba Yadda ɓoyayyen rukuni ke aiki.

Karanta tushen

Abubuwan farko na crypto suna cikin js/nym-crypto.js kuma js/modules/key-vault.js a cikin yanar gizo app, da kuma karkashin android-ios-app/lib/core/crypto/ kuma lib/services/mesh/noise/ a cikin Flutter app. The wurin ajiya shine AGPL-3.0 kuma cikakke - babu wani ɓangaren da aka rufe don ɗaukar amana.