10 Questions
Who designed the IDEA cipher?
James Massey, Xuejia Lai
In cryptography, what does the acronym IDEA stand for?
International Data Encryption Algorithm
What was the original cipher used in PGP v1.0, before being replaced by IDEA?
BassOmatic
What was the original name of the IDEA cipher?
Improved Proposed Encryption Standard (IPES)
When did the last patents for IDEA expire?
2012
What is the purpose of the International Data Encryption Algorithm (IDEA)?
The purpose of the IDEA cipher is to provide a symmetric-key block cipher as a replacement for the Data Encryption Standard (DES).
Who were the designers of the IDEA cipher?
The IDEA cipher was designed by James Massey of ETH Zurich and Xuejia Lai.
What was the original name of the IDEA cipher?
The original name of the IDEA cipher was Improved Proposed Encryption Standard (IPES).
What was the previous cipher used in PGP v1.0 before being replaced by IDEA?
The previous cipher used in PGP v1.0 before being replaced by IDEA was BassOmatic.
When did the IDEA cipher become patent-free?
The IDEA cipher became patent-free in 2012.
Study Notes
IDEA Cipher Overview
- IDEA stands for International Data Encryption Algorithm.
Origin and Designers
- The IDEA cipher was designed by James Massey and Xuejia Lai.
History
- The original cipher used in PGP v1.0 was replaced by IDEA.
- The original name of the IDEA cipher was IPES (Improved Proposed Encryption Standard).
Patents
- The last patents for IDEA expired in 2012, making it patent-free worldwide.
Test your knowledge about the International Data Encryption Algorithm (IDEA) and its role in cryptography. Explore the origins, features, and purpose of this symmetric-key block cipher designed to enhance data encryption.
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