viivie

8th place

3810 points


Solves

Challenge Category Value Time
Stream cipher 20240122_SCIST - Crypto 500
LCG Symmetric cipher - Keystream 100
LEA Hash function 484
broadcast RSA - Public exponent 499
low public exponent RSA - Public exponent 244
nonce reuse Diffie-Hellman 499
RC4 Symmetric cipher - Stream cipher 100
wiener attack RSA - Private exponent 223
common modulus RSA - Modulu 244
factor attack 2 RSA - Modulu 265
factor attack RSA - Modulu 200
easy baby RSA RSA - Starter 100
bit-flipping Symmetric cipher - Block cipher 152
Pwntools Python 200