Official discussion thread for Signing Factory. Please do not post any spoilers or big hints.
any hint ?
do I need to compute d with any attack for factorization ?
Don’t factorize the key (N)
factorize the message :))
there are two formula you can try:
a ≡ b % m and x ≡ y % m → ax ≡ by mod m
(a*b)^d % n = ((a^d %n) * (b^d%n) ) %n