Simple Encryption

by Code.org

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Description

Students are introduced to the need for encryption and simple techniques for breaking (or cracking) secret messages. They try their own hand at cracking a message encoded with the classic Caesar cipher and also a Random Substitution Cipher. Students should become well-acquainted with the need for secrecy when sending information over the Internet, and that in an age of powerful computational tools, techniques of encryption will need to be more sophisticated.

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Code.org

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Code.org is a nonprofit dedicated to expanding access to computer science in schools and increasing participation by women and underrepresented youth. Our vision is that every student in every school has the opportunity to learn computer science, just like biology, chemistry or algebra. Code.org provides the leading curriculum for K-12 computer science in the largest school districts in the United States and Code.org also organizes the annual Hour of Code campaign which has engaged more than 15% of all students in the world. Code.org is supported by generous donors including Amazon, Facebook, Google, the Infosys Foundation, Microsoft, and many more.