$ cat writeup.md…
$ cat writeup.md…
uoftctf2026
Given: - `n1` - RSA modulus - `e1 = 65537` - old public exponent - `d1` - leaked private exponent for e1 - `e2 = 6767671` - new public exponent - `c` - ciphertext encrypted with e2
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$sign in$ grep --similar