Keys, Signatures, and Identity

Summary

This chapter explores how asymmetric cryptography enables digital identity through public-private key pairs, digital signatures, and identity verification. Students will understand the mechanics of key pair generation, how digital signatures provide proof of authorship, and how authentication and authorization control access to systems and resources. The chapter also introduces privacy as a foundational concern for trust technologies.

Concepts Covered

This chapter covers the following 8 concepts from the learning graph:

  1. Public Key
  2. Private Key
  3. Key Pair Generation
  4. Digital Signature
  5. Authentication
  6. Authorization
  7. Identity Verification
  8. Privacy

Prerequisites

This chapter builds on concepts from:

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