@etherna/sdk-js/hmac-CrI8fGKH.mjs

Etherna SDKs for operations on the network

import { H as c, h as u, t as H, e as o, b as l } from "./utils-nt_aP_dH.mjs";
class r extends c {
  constructor(t, i) {
    super(), this.finished = !1, this.destroyed = !1, u(t);
    const h = H(i);
    if (this.iHash = t.create(), typeof this.iHash.update != "function")
      throw new Error("Expected instance of class which extends utils.Hash");
    this.blockLen = this.iHash.blockLen, this.outputLen = this.iHash.outputLen;
    const a = this.blockLen, s = new Uint8Array(a);
    s.set(h.length > a ? t.create().update(h).digest() : h);
    for (let e = 0; e < s.length; e++)
      s[e] ^= 54;
    this.iHash.update(s), this.oHash = t.create();
    for (let e = 0; e < s.length; e++)
      s[e] ^= 106;
    this.oHash.update(s), s.fill(0);
  }
  update(t) {
    return o(this), this.iHash.update(t), this;
  }
  digestInto(t) {
    o(this), l(t, this.outputLen), this.finished = !0, this.iHash.digestInto(t), this.oHash.update(t), this.oHash.digestInto(t), this.destroy();
  }
  digest() {
    const t = new Uint8Array(this.oHash.outputLen);
    return this.digestInto(t), t;
  }
  _cloneInto(t) {
    t || (t = Object.create(Object.getPrototypeOf(this), {}));
    const { oHash: i, iHash: h, finished: a, destroyed: s, blockLen: e, outputLen: d } = this;
    return t = t, t.finished = a, t.destroyed = s, t.blockLen = e, t.outputLen = d, t.oHash = i._cloneInto(t.oHash), t.iHash = h._cloneInto(t.iHash), t;
  }
  destroy() {
    this.destroyed = !0, this.oHash.destroy(), this.iHash.destroy();
  }
}
const p = (n, t, i) => new r(n, t).update(i).digest();
p.create = (n, t) => new r(n, t);
export {
  r as HMAC,
  p as hmac
};
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