Xor-analyze v.0.5

xor-analyze provides a program for cryptanalyzing xor "encryption" with variable key length.Here are some key features of "xor analyze":??? Could possibly crack bad implementations of one-time pads??? Check ftp://ftp.habets.pp.se/pub/synscan/ for windows binariesTo find out what length the password is the ciphertext is XOR-ed against itself with different shifts (see XOR_analyze::coincidence() in analyze.cc) and the number of zeroes (equal bytes) are counted. This is called counting coincidences. When the number of zeroes is high the shift value is potentially a multiple of the key length. The one that stands out most is checked with statistics (with a frequency table) to get the key. To check with statistics on all key-lengths in key-length interval (-m and -M) use the -a switch (with -v for one key per keylength)CompilingType 'make'. Mail me if it doesn't compile and don't forget to tell me what kind of system you have.Encryption$ ./xor-enc secret file.txt file.xor

xor-analyze provides a program for ...

  • Xor-analyze
  • 0.5
  • Thomas Habets
  • Linux
  • Freeware
  • 10 Kb
  • 211
  • Free

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