用户修改，删除，增加进行了修改

feige

2024-06-10 aef876fd5e4f26eead249243b1523ec4cf355340

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exports.encrypt = function (self, block) {
  return self._cipher.encryptBlock(block)
}
 
exports.decrypt = function (self, block) {
  return self._cipher.decryptBlock(block)
}