Block ciphers | Broken block ciphers

International Data Encryption Algorithm

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 Proposed Encryption Standard (PES). The cipher was designed under a research contract with the Hasler Foundation, which became part of Ascom-Tech AG. The cipher was patented in a number of countries but was freely available for non-commercial use. The name "IDEA" is also a trademark. The last patents expired in 2012, and IDEA is now patent-free and thus completely free for all uses. IDEA was used in Pretty Good Privacy (PGP) v2.0 and was incorporated after the original cipher used in v1.0, BassOmatic, was found to be insecure. IDEA is an optional algorithm in the OpenPGP standard. (Wikipedia).

International Data Encryption Algorithm
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From playlist Worldwide Single-Variable Calculus for AP®

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From playlist Solve Exponential Equations with Logarithms

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From playlist Solve Exponential Equations

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From playlist Solve Exponential Equations without a Calculator

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From playlist Solve Exponential Equations

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From playlist CISA Training Videos

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Kernel Recipes 2018 - TPM enabling the Crypto Ecosystem for enhanced Security - James Bottomley

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From playlist Kernel Recipes 2018

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Sonia Belaïd - Schémas symétriques prouvés sûrs contre les attaques par canaux auxiliaires

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From playlist Journées Codage et Cryptographie 2014

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From playlist 23C3: Who can you trust

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From playlist Webinars by Edureka!

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Related pages

Akelarre (cipher) | BassOmatic | Lai–Massey scheme | OpenPGP | Biclique attack | Group (mathematics) | MESH (cipher) | Block cipher | Key (cryptography) | Differential cryptanalysis | Cryptography | Pretty Good Privacy | IDEA NXT | Block size (cryptography) | Cipher | Linear cryptanalysis | Symmetric-key algorithm | MMB (cipher) | Weak key | Modular arithmetic | Advanced Encryption Standard | Data Encryption Standard