As communication between the parties A and B have shared a session master key Km. Upon completion of the distribution of session key Ks, A-Ks for the use of a specific file (test-1.txt) is encrypted and sent to B B using Ks to decrypt the ciphertext, and compare the decrypted plaintext message with the original files are consistent.

Lab2-2\.classpath
......\.project
......\.settings\org.eclipse.jdt.core.prefs
......\bcprov-jdk16-140.jar
......\.in\clienta\DESUtil.class
......\...\.......\Test.class
......\...\.......\User$1.class
......\...\.......\User$SendMsg.class
......\...\.......\User$WaitForMsg.class
......\...\.......\User.class
......\src\clienta\DESUtil.java
......\...\.......\Test.java
......\...\.......\User.java
......\test-1.txt
......\bin\clienta
......\src\clienta
......\.settings
......\bin
......\src
Lab2-2

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