Sharing a small page I cooked up to help people explore transformations - both the linear and the non-linear kind by drawing pictures and modifying them using transformations. This hack is in the spirit of the theme of this year’s Infinity festival at Pramati - where we have “Engaging the senses” as a theme. So, engage your senses to grasp the math of transformations.
Diffie–Hellman key exchange (DH) is a method of securely exchanging cryptographic keys over a public channel and was one of the first public-key protocols as originally conceptualized by Ralph Merkle and named after Whitfield Diffie and Martin Hellman. DH is one of the earliest practical examples of public key exchange implemented within the field of cryptography.
In this post we would first explain how a Diffie Hellman key exchange works. Then we would dive deeper into the details of elliptic curves and its properties. Finally we would show how Elliptic Curves can be used for efficient key exchange.
Screening through hundreds of mail and prioritizing your work for the day is a difficult job. One kind of prioritization that is important is dealing with deadlines that are indicated in emails such as a slide deck or report due. The first step of calendarizing deadlines is to identify that a deadline is indeed present. We’ve tried to tackle this deadline tagging as an email classification problem using a Bayesian approach with the result being PMail. We also built an RNN based model which we compare with the Bayesian approach. We were able to show promising results with the approaches we took, which we detail in this post.
Approximate biometrics are often required for effective online shopping experience, for example, for clothing, eyewear and footwear. We experimented with Mask-RCNN based object segmentation for measuring human feet with the intention of recommending appropriate footwear, which we talk about in this post.
I’ve been thinking about a few aspects of smart contracts and blockchain tech - especially public blockchain tech - and I have some lingering doubts that I’d like to capture here for any of you to attack.
(With contributions from Sita Krishnakumar, Vishwas Bhushan and Manoj Kumar)