Explain Triple DES(Data Encryption Standard) and how it works.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Explain Triple DES(Data Encryption Standard) and how it works.
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Step 1 Summary
Triple Data Encryption Algorithm
⦁ TDES which stands for triple Data Encryption algorithm. It is a symmetric key block cipher which is used to apply the DES cipher algorithm three times to each data block.
⦁ The DES of 56-bit key is no longer considered adequate in the face of modern cryptanalytic technique and supercomputing power.
⦁ The new version of DES and TDES uses the same algorithm to produce a more secure encryption.
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