forked from ard/ruoyi-api

zhangnaisong
2024-02-28 6cec7979aaec6febbef519888423c86133821b8c
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var xor = require('buffer-xor')
 
exports.encrypt = function (self, block) {
  var data = xor(block, self._prev)
 
  self._prev = self._cipher.encryptBlock(data)
  return self._prev
}
 
exports.decrypt = function (self, block) {
  var pad = self._prev
 
  self._prev = block
  var out = self._cipher.decryptBlock(block)
 
  return xor(out, pad)
}