$ cat writeup.md…
$ cat writeup.md…
spbctf
Task: RSA with small exponent e=3 and null-byte padding. Solution: Since m^e < n, modular reduction doesn't occur; remove padding factor algebraically and extract integer cube root with gmpy2.iroot().
Permission denied (requires tier.pro)
Sign in with GitHub, Discord, or Google to continue. No email required.
$sign in$ grep --similar