Description: Achieve symmetric cryptographic techniques (1) be familiar with the appropriate use of DES encryption/decryption function to complete a specific file (test-1.txt) singlet DES encryption/decryption in a single machine (2) for the DES key characteristics (8 bytes, 64 bits, 56 of which the real work of bits), a mechanism designed to generate a secret key (i.e., the key used for each session were randomly generated temporary)
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File list (Check if you may need any files):
desAlgorithm\.classpath
............\.project
............\.settings\org.eclipse.jdt.core.prefs
............\bin\com\lt\util\DesUtils.class
............\decrypt.txt
............\encrypt.txt
............\src\com\lt\util\DesUtils.java
............\test-1.txt
............\bin\com\lt\util
............\src\com\lt\util
............\bin\com\lt
............\src\com\lt
............\bin\com
............\src\com
............\.settings
............\bin
............\src
desAlgorithm
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