picoCTF Mini RSA Writeup: How I Finally Broke Small-Exponent RSA After Chasing the Wrong Rabbit for 45 Minutes


Category: Cryptography | Competition: picoCTF | Difficulty: Medium | Flag: picoCTF{e_sh0u1d_b3_lArg3r_6e2e6bda}




TL;DR


picoCTF's Mini RSA challenge gives you a ciphertext encrypted with RSA where the public exponent is e = 3...