62 lines
2.5 KiB
JavaScript
62 lines
2.5 KiB
JavaScript
"use strict";
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var __defProp = Object.defineProperty;
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var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
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var __getOwnPropNames = Object.getOwnPropertyNames;
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var __hasOwnProp = Object.prototype.hasOwnProperty;
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var __export = (target, all) => {
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for (var name in all)
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__defProp(target, name, { get: all[name], enumerable: true });
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};
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var __copyProps = (to, from, except, desc) => {
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if (from && typeof from === "object" || typeof from === "function") {
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for (let key of __getOwnPropNames(from))
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if (!__hasOwnProp.call(to, key) && key !== except)
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__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
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}
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return to;
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};
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var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
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// nip04.ts
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var nip04_exports = {};
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__export(nip04_exports, {
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decrypt: () => decrypt,
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encrypt: () => encrypt
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});
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module.exports = __toCommonJS(nip04_exports);
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var import_utils2 = require("@noble/hashes/utils");
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var import_secp256k1 = require("@noble/curves/secp256k1");
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var import_aes = require("@noble/ciphers/aes");
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var import_base = require("@scure/base");
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// utils.ts
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var import_utils = require("@noble/hashes/utils");
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var utf8Decoder = new TextDecoder("utf-8");
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var utf8Encoder = new TextEncoder();
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// nip04.ts
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function encrypt(secretKey, pubkey, text) {
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const privkey = secretKey instanceof Uint8Array ? (0, import_utils2.bytesToHex)(secretKey) : secretKey;
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const key = import_secp256k1.secp256k1.getSharedSecret(privkey, "02" + pubkey);
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const normalizedKey = getNormalizedX(key);
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let iv = Uint8Array.from((0, import_utils2.randomBytes)(16));
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let plaintext = utf8Encoder.encode(text);
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let ciphertext = (0, import_aes.cbc)(normalizedKey, iv).encrypt(plaintext);
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let ctb64 = import_base.base64.encode(new Uint8Array(ciphertext));
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let ivb64 = import_base.base64.encode(new Uint8Array(iv.buffer));
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return `${ctb64}?iv=${ivb64}`;
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}
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function decrypt(secretKey, pubkey, data) {
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const privkey = secretKey instanceof Uint8Array ? (0, import_utils2.bytesToHex)(secretKey) : secretKey;
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let [ctb64, ivb64] = data.split("?iv=");
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let key = import_secp256k1.secp256k1.getSharedSecret(privkey, "02" + pubkey);
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let normalizedKey = getNormalizedX(key);
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let iv = import_base.base64.decode(ivb64);
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let ciphertext = import_base.base64.decode(ctb64);
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let plaintext = (0, import_aes.cbc)(normalizedKey, iv).decrypt(ciphertext);
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return utf8Decoder.decode(plaintext);
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}
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function getNormalizedX(key) {
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return key.slice(1, 33);
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}
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