Is there a difference between:

  • Common modulus attack

  • Common Factor attack

  • Wiener's attack

or are these just a different name for the same attack?

up vote 2 down vote accepted
  • Wiener's attack;

    In Wiener's attack, an attacker may efficiently find $d$ when $d < (1/3) N^{1/4}$

  • Coppersmith's attack

    The Wiener attack works on low $d$, but Coppersmith attack works on small $e$. In general case, the Håstad's broadcast attack uses The Coppersmith method. In the simplest form, it uses CRT when the sender sent the same messages to different parties.

  • Common modulus attack

    In Common modulus attack, the modulus is the same but the public exponents are different.

As a result, they are different attacks with different names.

And, here a nice paper from Dan Boneh; Twenty Years of Attacks on the RSA Cryptosystem

  • thanks you. is more clear! – Wei Wen Nov 16 at 10:56

Your Answer

By clicking "Post Your Answer", you acknowledge that you have read our updated terms of service, privacy policy and cookie policy, and that your continued use of the website is subject to these policies.

Not the answer you're looking for? Browse other questions tagged or ask your own question.