In this post, we give a concise study of several attaks against DSS , including, reused $k$, $k$ generated via LCG, and lattice attack against short $k$.
Reproduction of James Manger’s chosen ciphertext attack on RSAES-OAEP under decryption oracle.
In this post, we give some underlying about two easy factorization methods under some specified circumstances.
Tue Mar 10 2020
Sat Apr 18 2020
Writeup
5846
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).
Tue Mar 10 2020
Wed Jan 13 2021
Writeup
1405
Leaked length information on the nonce $k$ could be exploited to break DSA.
Mon Mar 2 2020
Tue Sep 15 2020
Writeup
965
VN公开赛前三道Crypto题的出题思路
Tue Feb 25 2020
Thu May 14 2020
Writeup
440
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.
Fri Feb 14 2020
Sat Apr 11 2020
Writeup
5326
Brief writeup for all the crypto challenges in hgame 2020.
A gentle introduction to lattice cryptography by solving a 2-D NTRUEncrypt CTF challenge.
Tue Dec 10 2019
Mon Jan 11 2021
Notes
6049
"An Introduction to Mathematical Cryptography" 读书笔记 (没写完,有空再更新)