Nimdeɛ a wɔde gyina so Wɔ hood no ase

Protocol ne nsɛm a esisi

Nea Nymchat de to waya no so ankasa, ma obiara a ɔresi atia no, . auditing it, anaasɛ akenkan nsɛm a esisi fi Nostr client foforo hɔ.

Wɔde mfiri na ɛkyerɛ krataafa yi ase sɛnea ɛbɛyɛ a ɛbɛyɛ mmerɛw. Engiresi kasa mu mfitiase de no ne nkyerɛase a ɛfa ho.

Nsɛm a esisi ahorow

Ayamye	Wɔde di dwuma ma	Nsɛm a Wɔahyɛ no Nsow
`0`	Profile metadata a ɛwɔ nipadua no mu	Standard Nostr profile: din, mfonini, frankaa, fa, . `lud16`.
`5`	Deletion abisade ahorow	NIP-09 na ɛwɔ hɔ.
`7`	Nneyɛe a wɔyɛ	NIP-25, a ɛwɔ a `['k', originalKind]` tag enti wɔde reaction bi fael tia channel type a ɛfata.
`13`	Nsɔano	NIP-17 nkrasɛm bi mfinimfini fã.
`14`	Kokoam nkrasɛm ho nsɛmmɔnedi	Wɔamfa wɔn nsa anhyɛ ase, na wɔantintim wɔ n’ankasa so da.
`1059`	Akyɛde a wɔde kyekyere	NIP-59 na ɛwɔ hɔ. Nea ɛkɔ relay bi so ankasa ma kokoam nkrasɛm ne kuw nkɔmmɔbɔ.
`1984`	Amanneɛbɔ a wɔde ma	NIP-56 na ɛwɔ hɔ.
`9734` / `9735`	Zap abisade ne zap agyede	NIP-57 na ɛwɔ hɔ.
`10030`	Amanneɛbɔ emoji pack lists	NIP-30 na ɛwɔ hɔ.
`20000`	Geohash channel nkrasɛm	Ephemeral, a wɔde ahyɛnsode ahyɛ mu `['g', geohash]`.
`23333`	Wɔato din channel nkrasɛm	Ephemeral, a wɔde ahyɛnsode ahyɛ mu `['d', channel]`.
`24420` / `24421`	Public type indicators ne akenkan nkrataa a wɔde gye sika	Nymchat-specific, ma ɔmanfoɔ akwan.
`25051` / `25052`	Peer-to-peer sɛnkyerɛnne ne fael-transfer tebea	Nymchat-a ɛfa ho pɔtee.
`30030`	Amanneɛbɔ emoji nhyehyɛe ahorow	NIP-30 na ɛwɔ hɔ.
`30078`	Application data a wɔde di dwuma	NIP-78 na ɛwɔ hɔ. Polls, ne nhyehyɛe a wɔabɔ no kokoam no yɛ sync.
`69420`	Private read receipts ne delivery tebea	Nymchat-specific, a wɔde soa sɛ asɛm a wɔka wɔ akyɛde a wɔde kyekyere ho mu. A separate type from `14` wɔahyɛ da, enti NIP-17 afɛfo afoforo nkyerɛ nkrasɛm tẽẽ a ɛda hɔ kwa mma krataa biara a wogye.

NIPs Nymchat de di dwuma

NIP	Nea ɛma Nymchat
NIP-07 na ɛwɔ hɔ	Fa browser ntrɛwmu kɔ mu.
NIP-09 na ɛwɔ hɔ	Deletion abisade ahorow.
NIP-13 na ɛwɔ hɔ	Adanse a ɛkyerɛ sɛ woayɛ adwuma. Anyɛ yiye koraa no, wɔtu nkrasɛm a efi adi no kɔ bit 16 so.
NIP-17 na ɛwɔ hɔ	Private direct messages, ne nea wogyina so yɛ kuw nkɔmmɔbɔ.
NIP-25 na ɛwɔ hɔ	Nneyɛe a wɔyɛ.
NIP-30 na ɛwɔ hɔ	Amanneɛbɔ emoji.
NIP-40 na ɛwɔ hɔ	Expiration timestamps — nkrasɛm a ɛyera.
NIP-44 na ɛwɔ hɔ	Versioned encryption, a wɔde di dwuma ma seals, wraps ne nhyehyɛe sync.
NIP-46 na ɛwɔ hɔ	Akyirikyiri nsaano nkyerɛwee — . `bunker://`.
NIP-56 na ɛwɔ hɔ	Amanneɛbɔ a wɔde ma.
NIP-57 na ɛwɔ hɔ	Aprannaa a ɛyɛ zaps.
NIP-59 na ɛwɔ hɔ	Akyɛde a wɔde kyekyere nneɛma ho.
NIP-78 na ɛwɔ hɔ	Data a wɔde di dwuma wɔ ɔkwan a wɔpɛ so.
NIP-98 na ɛwɔ hɔ	HTTP auth, ma endpoints a wɔagye no.

Nsɛm a wɔde kyerɛw nsɛm

Ɛhe	Dɛn
Nnipa a wɔyɛ ne nsaano nkyerɛwee	secp256k1 a Schnorr nsaano nkyerɛwee (BIP-340), sɛnea Nostr kyerɛ no.
Kokoam nkrasɛm ne kuw nkɔmmɔbɔ	NIP-44 v2: ECDH wɔ secp256k1, HKDF-SHA256, ChaCha20 a HMAC-SHA256, ne padding sɛnea ɛbɛyɛ a ciphertext tenten mma nkra tenten no nkɔ.
Bluetooth mesh nhyiam ahorow	Dede XX — X25519, ChaCha20-Poly1305 (IETF), Ed25519 ma dawurubɔ nsaano nkyerɛwee, SHA-256 ne HMAC ase.
Nnipa a obi yɛ wɔ ahomegye mu	AES-GCM-256 na ɛwɔ hɔ. Safoa no firi PBKDF2-SHA256 wɔ 310,000 iterations ma password anaa PIN, anaa ɛfiri WebAuthn PRF output a ɛnam HKDF-SHA256 so ma passkey anaa biometric.
Frɛ ne fael a wɔde kɔ baabi foforo	WebRTC ankasa DTLS-SRTP, a wɔyɛɛ nkitahodi wɔ NIP-17-a wɔabɔ no nsɛnkyerɛnne so.
Nneɛma a wɔyɛ no kwa	Platform CSPRNG no nyinaa — nsafe, nonces, ne akyɛde-wrap bere nsɔano jitter.

Metadata ho banbɔ

Nsɛm abien a ɛwɔ akyɛde-kyekyere kwan no so no fata sɛ yɛfrɛ, efisɛ ɛno ne nea ɛtetew NIP-59 ntam efi "encrypted, nanso ɛda adi sɛ efi wo hɔ kɔ wɔn so":

Wɔde nsa ahyɛ wrap biara ase denam a safoa a wɔde di dwuma pɛnkoro a wɔayɛ ama saa nkrasɛm no nkutoo, . enti wraps abien biara nni hɔ a wɔkyɛ obi a ɔde kɔma.
Wrap biara yɛ created_at yɛ randomly backdated a ɛkɔ soro kodu baanu nnɔnhwerew pii de CSPRNG di dwuma, enti wontumi nhyehyɛ bere a wɔde mena ne nea wogye.

Kuw nkɔmmɔbɔ de bere tiaa mu nsɛm a ɛkyinkyini ka ho nea ogye no safoa a ɛwɔ so — hwɛ Sɛnea kuw encryption yɛ adwuma.

Fibea no akenkan

Crypto primitives no wɔ mu js/nym-crypto.js ne js/modules/key-vault.js wɔ wɛb app no mu, ne ase android-ios-app/lib/core/crypto/ ne lib/services/mesh/noise/ wɔ Flutter app no mu. No adekorabea yɛ AGPL-3.0 na edi mũ — afã biara nni hɔ a wɔato mu a wobetumi agye ahotoso.