discord-decomp/_bundle/HashMD.js

// Metro module 8889 (f8890).
import * as _classCallCheck from "./_classCallCheck";
import * as __createClass from "./_createClass";
import * as _possibleConstructorReturn from "./_possibleConstructorReturn";
import * as _getPrototypeOf from "./_getPrototypeOf";
import * as __inherits from "./_inherits";
import { createView, Hash, toBytes } from "./Hash_8883";
import { exists, output } from "./bytes";
let HashMD;
let env5804 = {};
env5804[5] = function _isNativeReflectConstruct() {
  let c16849_0;
  try {
    c16849_0 = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function() {}));
  } catch ($e) {}
  const _isNativeReflectConstruct2 = function _isNativeReflectConstruct() {
    return !!c16849_0;
  };
  env5804[5] = _isNativeReflectConstruct2;
  return _isNativeReflectConstruct2();
};
export const Chi = (a0, a1, a2) => a0 & a1 ^ ~a0 & a2;
export const Maj = (a0, a1, a2) => a0 & a1 ^ a0 & a2 ^ a1 & a2;
HashMD = function HashMD(a0, a1, a2, a3) {
  _classCallCheck(this, HashMD);
  const r11 = _getPrototypeOf(HashMD);
  const r30 = _possibleConstructorReturn(this, (0, env5804[5])() ? Reflect.construct(r11, [], _getPrototypeOf(this).constructor) : r11.apply(this, void 0));
  r30.blockLen = a0;
  r30.outputLen = a1;
  r30.padOffset = a2;
  r30.isLE = a3;
  r30.finished = false;
  r30.length = 0;
  r30.pos = 0;
  r30.destroyed = false;
  r30.buffer = new Uint8Array(a0);
  r30.view = (0, createView)(r30.buffer);
  return r30;
};
__inherits(HashMD, Hash);
exports.HashMD = __createClass(HashMD, [{
  key: "update",
  value: function update(a0) {
    let r38, r41;
    (0, exists)(this);
    const view = this.view;
    const buffer = this.buffer;
    const blockLen = this.blockLen;
    const r26 = (0, toBytes)(a0);
    const length = r26.length;
    const r3 = 0 < length;
    let r28 = 0;
    if (r3) {
      do {
        const r30 = Math.min(blockLen - this.pos, length - r28);
        const r31 = r28;
        if (r30 !== blockLen) {
          buffer.set(r26.subarray(r31, r31 + r30), this.pos);
          this.pos = this.pos + r30;
          const r50 = r31 + r30;
          const pos = this.pos;
          r38 = r50;
          if (pos === blockLen) {
            this.process(view, 0);
            this.pos = 0;
            r38 = r50;
          }
        } else {
          const r17 = (0, createView)(r26);
          const r36 = length - r31;
          let r37 = r31;
          r38 = r37;
          if (blockLen <= r36) {
            do {
              this.process(r17, r37);
              const r40 = r37 + blockLen;
              r41 = length - r40;
              r37 = r40;
              r38 = r37;
            } while (blockLen <= r41);
          }
        }
        r28 = r38;
      } while (r28 < length);
    }
    this.length = this.length + r26.length;
    this.roundClean();
    return this;
  }
}, {
  key: "digestInto",
  value: function digestInto(a0) {
    let r67;
    (0, exists)(this);
    (0, output)(a0, this);
    this.finished = true;
    const buffer = this.buffer;
    const view = this.view;
    const blockLen = this.blockLen;
    const isLE = this.isLE;
    const r15 = +this.pos;
    let r31 = r15 + 1;
    buffer[r15] = 128;
    this.buffer.subarray(r31).fill(0);
    if (this.padOffset > blockLen - r31) {
      this.process(view, 0);
      r31 = 0;
    }
    while (r31 < blockLen) {
      buffer[r31] = 0;
      r31 = r31 + 1;
    }
    const r4 = blockLen - 8;
    const r45 = BigInt(8 * this.length);
    if (typeof view.setBigUint64 === "function") {
      r67 = view.setBigUint64(r4, r45, isLE);
    } else {
      const r49 = BigInt(32);
      const r52 = BigInt(4294967295);
      const r56 = Number(r45 >> r49 & r52);
      const r59 = Number(r45 & r52);
      const r1 = isLE ? 4 : 0;
      const r60 = isLE ? 0 : 4;
      view.setUint32(r4 + r1, r56, isLE);
      view.setUint32(r4 + r60, r59, isLE);
      r67 = void 0;
    }
    this.process(view, 0);
    const r77 = (0, createView)(a0);
    const outputLen = this.outputLen;
    if (outputLen % 4) {
      throw new Error("_sha2: outputLen should be aligned to 32bit");
    }
    const r81 = outputLen / 4;
    const r83 = this.get();
    if (r81 > r83.length) {
      throw new Error("_sha2: outputLen bigger than state");
    }
    let r86 = 0;
    while (r86 < r81) {
      r77.setUint32(4 * r86, r83[r86], isLE);
      r86 = r86 + 1;
    }
  }
}, {
  key: "digest",
  value: function digest() {
    const buffer = this.buffer;
    const outputLen = this.outputLen;
    this.digestInto(buffer);
    const r7 = buffer.slice(0, outputLen);
    this.destroy();
    return r7;
  }
}, {
  key: "_cloneInto",
  value: function _cloneInto(a0) {
    const r1 = a0 ? a0 : new this.constructor();
    r1.set.apply(r1, [...this.get()]);
    const blockLen = this.blockLen;
    const buffer = this.buffer;
    const length = this.length;
    const finished = this.finished;
    const destroyed = this.destroyed;
    const pos = this.pos;
    r1.length = length;
    r1.pos = pos;
    r1.finished = finished;
    r1.destroyed = destroyed;
    if (length % blockLen) {
      r1.buffer.set(buffer);
    }
    return r1;
  }
}]);