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feat: nip44 v2

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Kieran
2024-08-26 15:57:46 +03:00
parent 1ed36352a8
commit 644bd57094
12 changed files with 223 additions and 142 deletions
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41
packages/system/src/signer.ts
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@ -2,10 +2,8 @@ import { bytesToHex } from "@noble/curves/abstract/utils";
import { getPublicKey } from "@snort/shared";
import { EventExt } from "./event-ext";
import { Nip4WebCryptoEncryptor } from "./impl/nip4";
import { XChaCha20Encryptor } from "./impl/nip44";
import { MessageEncryptorVersion, decodeEncryptionPayload, encodeEncryptionPayload } from "./index";
import { Nip44Encryptor } from "./impl/nip44";
import { NostrEvent, NotSignedNostrEvent } from "./nostr";
import { base64 } from "@scure/base";
export type SignerSupports = "nip04" | "nip44" | string;
@ -49,41 +47,24 @@ export class PrivateKeySigner implements EventSigner {
return this.#publicKey;
}
async nip4Encrypt(content: string, key: string) {
const enc = new Nip4WebCryptoEncryptor();
const secret = enc.getSharedSecret(this.privateKey, key);
const data = await enc.encryptData(content, secret);
return `${base64.encode(data.ciphertext)}?iv=${base64.encode(data.nonce)}`;
async nip4Encrypt(content: string, otherKey: string) {
const enc = new Nip4WebCryptoEncryptor(this.privateKey, otherKey);
return await enc.encryptData(content);
}
async nip4Decrypt(content: string, otherKey: string) {
const enc = new Nip4WebCryptoEncryptor();
const secret = enc.getSharedSecret(this.privateKey, otherKey);
const [ciphertext, iv] = content.split("?iv=");
return await enc.decryptData(
{
ciphertext: base64.decode(ciphertext),
nonce: base64.decode(iv),
v: MessageEncryptorVersion.Nip4,
},
secret,
);
const enc = new Nip4WebCryptoEncryptor(this.privateKey, otherKey);
return await enc.decryptData(content);
}
async nip44Encrypt(content: string, key: string) {
const enc = new XChaCha20Encryptor();
const shared = enc.getSharedSecret(this.#privateKey, key);
const data = enc.encryptData(content, shared);
return encodeEncryptionPayload(data);
async nip44Encrypt(content: string, otherKey: string) {
const enc = new Nip44Encryptor(this.#privateKey, otherKey);
return enc.encryptData(content);
}
async nip44Decrypt(content: string, otherKey: string) {
const payload = decodeEncryptionPayload(content);
if (payload.v !== MessageEncryptorVersion.XChaCha20) throw new Error("Invalid payload version");
const enc = new XChaCha20Encryptor();
const shared = enc.getSharedSecret(this.#privateKey, otherKey);
return enc.decryptData(payload, shared);
const enc = new Nip44Encryptor(this.#privateKey, otherKey);
return enc.decryptData(content);
}
sign(ev: NostrEvent): Promise<NostrEvent> {