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Unformatted text preview: 5 = 0101 next next next next FURTHER MISHMUSHING next next next next THE FIRST 4 COMPRESSION BOXES next next next THE LAST 4 COMPRESSION BOXES next next next KEY PROCESSING next 64 bits 28 bits 28 bits next next 48 bits PERMUTED CHOICES next A 64 bit key bits 8, 16, 24, 32, 40, 48, 56, 64 are not used Feeding the ciphertext with key schedule in reverse yields back the Plaintext 64 bits of Ciphertext Initial Permutation + next Inverse Permutation + +...
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This note was uploaded on 09/22/2010 for the course MATH MATH187 taught by Professor Math187 during the Spring '10 term at UCSD.
 Spring '10
 MATH187
 Math

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