From 'Useless Math' To Powerful Security

The video discusses the evolution of cryptography, highlighting how algebra and number theory, once considered impractical, are now essential. It addresses modern challenges in cryptography, such as handling diverse threats with limited computing power. The WPI cryptography lab is developing authentication codes and encryption systems for small devices like smart cards, aiming for cost-effective implementation.

What mathematical concepts, once deemed impractical, are now crucial in cryptography?

• Topology and Graph Theory

• Calculus and Statistics

• Number Theory and Algebra

• Geometry and Trigonometry

What is a significant challenge in modern cryptography as mentioned in the video?

• Increasing the size of computing devices

• Reducing the number of encryption algorithms

• Handling threats with less computing power

• Simplifying cryptographic protocols

What is the focus of the cryptography lab at WPI?

• Developing large-scale encryption systems

• Creating authentication codes for small devices

• Designing new programming languages

• Building quantum computers

Which of the following devices is mentioned as a target for WPI's encryption systems?

• Laptops

• Smartphones

• Smart cards

• Tablets

What is the ultimate goal for WPI engineers in terms of implementing cryptographic solutions?

• To make solutions more complex

• To increase the cost of implementation

• To implement solutions in a cost-effective way

• To focus solely on theoretical research