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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/asmcrypto.js/src/hash/sha512

Просмотр файла: sha512.js

import { hash_finish, hash_process, hash_reset } from '../hash';
import { sha512_asm } from './sha512.asm';
import { _heap_init } from '../../utils';

export var _sha512_block_size = 128;
export var _sha512_hash_size = 64;

export function sha512_constructor(options) {
  options = options || {};

  this.heap = _heap_init(Uint8Array, options.heapx);
  this.asm = options.asm || sha512_asm({ Uint8Array: Uint8Array }, null, this.heap.buffer);

  this.BLOCK_SIZE = _sha512_block_size;
  this.HASH_SIZE = _sha512_hash_size;

  this.reset();
}

sha512_constructor.BLOCK_SIZE = _sha512_block_size;
sha512_constructor.HASH_SIZE = _sha512_hash_size;
sha512_constructor.NAME = 'sha512';

var sha512_prototype = sha512_constructor.prototype;
sha512_prototype.reset = hash_reset;
sha512_prototype.process = hash_process;
sha512_prototype.finish = hash_finish;

var sha512_instance = null;

export function get_sha512_instance() {
  if (sha512_instance === null) sha512_instance = new sha512_constructor({ heapSize: 0x100000 });
  return sha512_instance;
}

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