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CS KAIROS · LEARNING LIBRARY

M20 · Cryptography

Choose hashing, encryption and signatures for distinct goals.

Concept map

  1. Hashing, encryption and signatures: choose the protection goal

    The same data may need secrecy, change detection and origin verification. These goals require distinct mechanisms, together with key management and trusted references.

  2. Q&A · Decisions & explanations

    Explain the correct choice and why the alternatives fail.

  3. Safe practice & evidence check

    Record your own decision or output, then compare it with the expected result.

Follow the concept map, or go directly to practice if you know the prerequisites. Choose your own pace; there is no daily article quota.