In this post, we give some underlying about two easy factorization methods under some specified circumstances.
Writeup
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Writeup, by X1cT34m, for several problems in 2020 高校战“疫”网络安全分享赛 (2020-03-07 09:00 +48h).
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Leaked length information on the nonce $k$ could be exploited to break DSA.
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VN公开赛前三道Crypto题的出题思路
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Break a 150-D GGH cryptosystem using Nguyen’s Attack by reducing the problem to a special CVP which is much easier than the general problem.
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Brief writeup for all the crypto challenges in hgame 2020.
A gentle introduction to lattice cryptography by solving a 2-D NTRUEncrypt CTF challenge.
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"An Introduction to Mathematical Cryptography" 读书笔记 （没写完，有空再更新）
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19年南邮校赛NCTF所有Crypto题的预期解
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Writeup for several problems in 2019 中国技能大赛——全国网络安全管理职业技能竞赛 初赛+决赛