Polynomial Interpolation

I have been reading "How to Share a Secret" in detail for the past few weeks, a revolutionary research paper by Adi Shamir. This paper applies some of the concepts of Number Theory and Algebra, one of which is polynomial interpolation, and has been used to construct a secure and reliable key management system. The... Continue Reading →


CBC Bit-Flipping Attack

In this blog post, the attack on CBC mode of block cipher encryption will be discussed and in the end, detailed writeup for the 16th challenge of Matasano-Crypto-Challenge i.e. about the Bit Flipping Attack in AES-CBC will be provided with explanation! I want the reader to go through these concepts discussed in the following blog... Continue Reading →

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