crypto
mayday-mayday
Advanced RSA attack exploiting MSB leaks from CRT exponents. Uses the Coppersmith method and lattice-based reduction to factor large moduli.
by r98inver
3 min
Writeups
#rsa 3 writeups
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crypto
RSA Challenges
Comprehensive walkthrough of three RSA challenges from CTF101, covering basic decryption, factoring using online tools, and exploiting totient multiples from leaked private exponents.
by r98inver
5 min
crypto
apbq-rsa-1
RSA factoring challenge using specific linear combination hints. Employs a brute-force GCD attack on coprime hint coefficients to recover the private key.
by r98inver
4 min