# 密码学基础

**Published by:** [myz](https://paragraph.com/@myz/)
**Published on:** 2022-03-14
**URL:** https://paragraph.com/@myz/pduVrb8Are1Vr0J0vM6e

## Content

https://textbook.cs161.org/crypto/ 目的： Confidentiality 保密性 严格定义：IND-CPA (Indistinguishability under chosen-plaintext attack) 选择明文攻击下的不可区分性 Integrity and Authentication 完整性，无篡改 常用加密算法： 对称加密算法 哈希函数 MAC (Message Authentication Codes) 消息验证码 公钥加密算法 数字签名 HashKDF PBKDF Random Byte Generator

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