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Everything about Public-key cryptography

Cryptographic system with public and private keys

Public-key cryptography, or asymmetric cryptography, is the field of cryptographic systems that use pairs of related keys. Each key pair consists of a public key and a corresponding private key. Key pairs are generated with algorithms based on mathematical problems termed one-way functions. Security of public-key cryptography depends on keeping the private key secret; the public key can be openly distributed without compromising security. There are many kinds of public-key cryptosystems, with different security goals, including digital signature, Diffie–Hellman key exchange, public-key key encapsulation, and public-key encryption. Wikipedia →

đź§­ Start here: a 6-step reading path

  1. Read the overview: Public-key cryptographyA 5-minute orientation
  2. Skim a recent paper: Resilience Optimization of Post-Quantum Cryptography Key Encapsulation AlgorithmsInfluential work since 2022
  3. Pick up a classic book: Introduction to Certificateless CryptographyThe most-reprinted book on the subject
  4. Read the landmark paper: A method for obtaining digital signatures and public-key cryptosystemsCited 12,277 times
  5. Go sideways: Key exchangeA closely related topic
  6. Go sideways: ElGamal encryptionA closely related topic

đź“– Definitions

No dictionary entry for this exact phrase.

🗂️ The subject at a glance

  1. Description
  2. Hybrid cryptosystems
  3. Weaknesses
  4. History
  5. Examples

🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

đź”— Related topics