thingy-crypto-node/index.js

The thingy-crypto-node is the keeper of an ed25519 keypair, implementing all basic crypto functionality for this specific keypair

// Generated by CoffeeScript 2.7.0
//###########################################################
var defaultContext;

import * as secUtl from "secret-manager-crypto-utils";

//###########################################################
defaultContext = "standard ThingyCryptoNode";

//###########################################################
export var ThingyCryptoNode = class ThingyCryptoNode {
  constructor(o) {
    this.key = o.secretKeyHex;
    this.id = o.publicKeyHex;
    this.ctx = o.context;
    if (this.ctx == null) {
      this.ctx = defaultContext;
    }
  }

  //#######################################################
  async sign(content) {
    return (await secUtl.createSignatureHex(content, this.key));
  }

  async verify(sig, content) {
    return (await secUtl.verifyHex(sig, this.id, content));
  }

  async encrypt(content) {
    return (await secUtl.asymmetricEncryptHex(content, this.id));
  }

  async decrypt(secretsObj) {
    return (await secUtl.asymmetricDecryptHex(secretsObj, this.key));
  }

  async diffieHellmanFor(id, salt, timestamp) {
    var context;
    context = `${salt}:${this.ctx}_${timestamp}`;
    return (await secUtl.diffieHellmanSecretHashHex(this.key, id, context));
  }

};