In recent years the Elliptic Curve Cryptography approach has become popular due to its high efficiency and strong security. The purpose of this article is to present this topic in a relatively clearer ...

I will review a challenge in category "CTF Archive" from cryptohack.org. I didn't categorize this post as "write-up" because I wanted "write-up" category to be filled with only CTFs I participated.

Roughly four decades ago, Taher ElGamal put forward what is today one of the most widely known and best understood public key encryption schemes. ElGamal encryption has been used in many different ...

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The 2015 ACM A.M. Turing Award recognized work I did 40 years ago, so it is understandable that my interests have changed significantly, with my most recent project being a book, A New Map for ...