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Everything about International Data Encryption Algorithm

Symmetric-key block cipher

In cryptography, the International Data Encryption Algorithm (IDEA), originally called Improved Proposed Encryption Standard (IPES), is a symmetric-key block cipher designed by James Massey of ETH Zurich and Xuejia Lai and was first described in 1991. The algorithm was intended as a replacement for the Data Encryption Standard (DES). IDEA is a minor revision of an earlier cipher, the Proposed Encryption Standard (PES). Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: International Data Encryption AlgorithmA 5-minute orientation
  2. Skim a recent paper: Merging the International Data Encryption Algorithm and Digital Chaotic Scrambler (DCS) to Enhance Audio SecurityInfluential work since 2022
  3. Pick up a classic book: Computer NetworksThe most-reprinted book on the subject
  4. Read the landmark paper: A 177 Mb/s VLSI implementation of the International Data Encryption AlgorithmCited 88 times
  5. Go sideways: HierocryptA closely related topic
  6. Go sideways: Block cipherA closely related topic

📖 Definitions

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🗂️ The subject at a glance

  1. Operation
  2. Security
  3. Availability
  4. Literature

🏆 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.

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