forked from ard/ruoyi-api

zhangjianrock@163.com
2024-01-14 96ff86c82a9c7892a88cdee1a00b710a0006258a
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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)
}