Applied Cryptography

Free Course
8 weeks duration

Cryptography is present in everyday life, from paying with a credit card to using the telephone. Learn all about making and breaking puzzles in computing.

The course Applied Cryptography on Udacity covers a range of topics related to encryption and secure communication. It begins by exploring perfect ciphers and what makes them secure. The course then delves into the breaking of the Lorenz Cipher, a historical example of encryption being compromised. Next, the focus shifts to symmetric encryption, which involves sending messages when two people share a secret. Key exchange techniques are then discussed, providing methods for establishing a shared secret. Asymmetric encryption is introduced as a means of exchanging information using public key cryptosystems. Public key protocols, such as encrypted key exchange, certificates, and secure commerce, are also covered. The course concludes by examining how cryptographic primitives can be utilized for anonymizing communication, voting, and digital cash. Additionally, secure computation is explored, which allows for computing without exposing sensitive data.

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Udacity is an online learning platform that offers a wide range of courses and programs in various fields such as technology, business, data science, and artificial intelligence. It was founded in 2012 by Sebastian Thrun, David Stavens, and Mike Sokolsky with the aim of providing accessible and affordable education to individuals worldwide. Udacity's courses are designed in collaboration with industry experts and leading companies, ensuring that the content is relevant and up-to-date. The platform offers both self-paced courses and guided programs, allowing learners to choose the learning style that suits them best. Udacity also provides career services and support, including resume reviews, interview preparation, and job placement assistance, to help learners transition into their desired careers.
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