inno-setup/node_modules/uuid/dist/esm-node/sha1.js

import crypto from 'crypto';

function sha1(bytes) {
  if (Array.isArray(bytes)) {
    bytes = Buffer.from(bytes);
  } else if (typeof bytes === 'string') {
    bytes = Buffer.from(bytes, 'utf8');
  }

  return crypto.createHash('sha1').update(bytes).digest();
}

export default sha1;