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# 加密入门
最近刚好要使用`crypto`模块，发现好些概念不懂，就整理了下。
本文并不能算是算法入门介绍，就是混个脸熟，了解一些相关概念。至于算法本身不属于本文内容（个人能力之外哈）。
# 基本概念
1. 加密算法
2. 密钥
## 分类
1. 对称加密
2. 非对称加密
# 对称加密
加解密使用相同的密钥。
- 优点：性能好
- 缺点：如何安全交换密钥…
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Does Synapse not validate these power level values? Is `150` a valid value? The [`m.room.power_levels` description in the Matrix 1.2 spec](https://spec.matrix.org/v1.2/client-server-api/#mroompower_le…
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Since many sinks don't have specific performance requirements, (many of them use batches), it is interesting to investigate the use of file channels and its implications.
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There is documentation about how to apply git-crypt, but nothing to un-apply it. What happens when a file that is encrypted, with an entry in the .gitattributes file to use the git-crypt filters, and…
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Please add support for EAP/PEAP/MSCHAP authorization. PAP is not suitable since it sends plaintext passwords.
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In [http-post-form] module, if password used exceed a certain length (251 chars I think), it gets trimmed.
I need to crack a password which is encrypted and has a fixed length of 256 chars. Hydra se…
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### Community Note
* Please vote on this issue by adding a 👍 [reaction](https://blog.github.com/2016-03-10-add-reactions-to-pull-requests-issues-and-comments/) to the original issue to help the…
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### What is the problem?
Hi Datalad community,
I am unable to get HCP FC files using datalad in pyenv with python 3.12.2 and the error messages point to an issue with the boto dependency, although `…
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### Version
5.7.0
### Description
The AES CTR interface to encrypt is run backwards to decrypt and use IV as input. This will prevent keys with usage set to ENCRYPT from encrypting data.
Now, AE…
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I have spent the last couple of weeks working with Fred Beckhusen’s encryption scripts, and I have run across a problem. The problem, however, is not Fred’s. It’s a bug in the underlying OpenSimulat…