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This The Peruvian Coin Flip–Cryptographic Protocols activity also includes:
- Computer Science Unplugged: Cryptographic Protocols
- Reading Passage
- Worksheet
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A digital flip. Introduce your classes to cryptographic protocols using and, or, and not gates. Groups create a complete circuit to convert a binary number into another one. This type of one-way function allows pupils to verify the correct pathway. The activity is the second in a three-part series on encryption.
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Concepts
Instructional Ideas
- Use when discussing how to create codes
- Have pupils design their own circuits
Classroom Considerations
- Some individuals might have difficulty with the gates and determining the outputs
Pros
- Provides a circuit for learners to try
- Includes reading information on why cryptography is important
Cons
- Deciphering where the arrow points in the hand-drawn circuit is difficult