#ecdsa CTF challenges

9 CTF challenges using ecdsa from 9 CTFs (2021–2025), 9 with writeups.

Crypto · 9

Often combined with

#lattice 3 #biased-nonce 2 #signature-forgery 2 #aes 1 #private-key-recovery 1 #signature-oracle 1 #mt19937 1 #ehnp 1 #nonce-reuse 1 #lcg-nonce 1 #nonce-bruteforce 1 #weak-nonce 1 #discrete-log 1 #partial-key-exposure 1 #bsgs 1

Challenges

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