Description: The DES algorithm for the symmetric cryptosystem cryptosystem, also known as the American data encryption standard, symmetric cryptosystem developed in 1972 American company IBM encryption algorithm. According to the 64 bit plaintext grouping, a key length of 64 bits, the key is in fact a 56 in the DES operation (eighth, 16, 24, 32, 40, 48, 56, 64 is the check digit, so that each key has an odd number of 1) plaintext after the packet and a 56 bit key press method replacement or exchange to form the ciphertext encryption method.
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File list (Check if you may need any files):
DES\Debug\DES.exe
...\.....\DES.ilk
...\.....\DES.pdb
...\.ES\a.cpp
...\...\Debug\a.obj
...\...\.....\CL.read.1.tlog
...\...\.....\CL.write.1.tlog
...\...\.....\DES.Build.CppClean.log
...\...\.....\DES.exe.embed.manifest
...\...\.....\DES.exe.embed.manifest.res
...\...\.....\DES.exe.intermediate.manifest
...\...\.....\DES.lastbuildstate
...\...\.....\DES.log
...\...\.....\DES_manifest.rc
...\...\.....\link-cvtres.read.1.tlog
...\...\.....\link-cvtres.write.1.tlog
...\...\.....\link.6612-cvtres.read.1.tlog
...\...\.....\link.6612-cvtres.write.1.tlog
...\...\.....\link.6612.read.1.tlog
...\...\.....\link.6612.write.1.tlog
...\...\.....\link.read.1.tlog
...\...\.....\link.write.1.tlog
...\...\.....\mt.read.1.tlog
...\...\.....\mt.write.1.tlog
...\...\.....\rc.read.1.tlog
...\...\.....\rc.write.1.tlog
...\...\.....\vc100.idb
...\...\.....\vc100.pdb
...\...\DES.vcxproj
...\...\DES.vcxproj.filters
...\...\DES.vcxproj.user
...\DES.sdf
...\DES.sln
...\DES.suo
...\ipch\des-94dd8985\des-2c424c8.ipch
...\DES\Debug
...\ipch\des-94dd8985
...\Debug
...\DES
...\ipch
DES