wampy/dist/esm/auth/cryptosign/wampy-cryptosign.js

Amazingly fast, feature-rich, lightweight WAMP Javascript client (for browser and node.js)

// src/auth/cryptosign/wampy-cryptosign.ts
import tweetnacl from "tweetnacl";
var { sign: NaclSign } = tweetnacl;
function hex2bytes(str) {
  return new Uint8Array(str.match(/../g).map((h) => Number.parseInt(h, 16)));
}
function bytes2hex(bytes) {
  return bytes ? Array.from(bytes, function(byte) {
    return ("0" + (byte & 255).toString(16)).slice(-2);
  }).join("") : null;
}
function sign(privateKey) {
  const keyPair = privateKey.length === 64 ? NaclSign.keyPair.fromSeed(hex2bytes(privateKey)) : NaclSign.keyPair.fromSecretKey(hex2bytes(privateKey));
  return function(method, info) {
    if (method === "cryptosign") {
      if (!info.challenge) {
        throw new Error("No challenge provided!");
      }
      const l = info.challenge.length;
      if (l % 2 !== 0) {
        throw new Error("Expected challenge to be an even number of characters!");
      }
      const signature = NaclSign.detached(hex2bytes(info.challenge), keyPair.secretKey);
      return bytes2hex(signature) + info.challenge;
    } else {
      throw new Error("Unknown authentication method requested!");
    }
  };
}
var wampy_cryptosign_default = sign;
export {
  bytes2hex,
  wampy_cryptosign_default as default,
  hex2bytes,
  sign
};
/**
 * Wampy.js Cryptosign-based Authentication plugin
 *
 * Copyright 2022 KSDaemon. Licensed under the MIT License.
 * See @license text at http://www.opensource.org/licenses/mit-license.php
 *
 */
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