为了使用 Session 类，您需要在配置文件中设置加密密钥 [英] In order to use the Session class you are required to set an encryption key in your config file

问题描述

我正在将 codeigniter 从 1.7.2 升级到 2.0.1.

I am in the process of upgrading codeigniter from 1.7.2 to 2.0.1.

一切似乎都很顺利，除了我得到了

Everything seems to have gone ok except I get

为了使用 Session 类，您需要在配置文件中设置加密密钥.

In order to use the Session class you are required to set an encryption key in your config file.

2.0.0/2.0.1 的哪些变化导致了这种情况?

What is the change in 2.0.0/2.0.1 that has caused this?

我需要做哪些改变来解决这个问题.

What change do I need to make to fix this.

进行上述更改会破坏任何东西吗?

Will making said change break anything?

推荐答案

ohai https://www.codeigniter.com/user_guide/libraries/encryption.html :D

他们要求加密密钥的原因是安全性(显然)

The reason they ask for an encryption key is security (obviously)

注意:即使您没有使用加密会话，您也必须在配置文件中设置一个加密密钥，用于帮助防止会话数据操纵. - 来源:https://www.codeigniter.com/user_guide/libraries/sessions.html

此修改不会破坏您的代码.但是从 1.7.2 更新到 2.0.1 时要小心.我建议你备份你的代码:)

This modification won't break your code. But be careful when updating from 1.7.2 to 2.0.1. I suggest you to backup your code :)

顺便说一句，他们在 CI 的 2.0.0 版本中添加了此安全性改进.我不知道他们为什么不在升级指南中提及它:(

BTW they added this security improvement with the 2.0.0 version of CI. I don't know why they don't mention it in their upgrade guide though :(

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