1 / 22

Enigma Cracking

Enigma Cracking. All the efforts have been failed People need more information to crack it. The first Steps of Cracking: . The German spy Hans Thillo Schmidt provide the first documentation of Enigma. These documents make people to make a replica not to decode it.

kosey
Download Presentation

Enigma Cracking

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Enigma Cracking All the efforts have been failed People need more information to crack it

  2. The first Steps of Cracking: • The German spy Hans Thillo Schmidt provide the first documentation of Enigma. • These documents make people to make a replica not to decode it.

  3. The polish stay to decipher it • Polish people had more reasons to continue their efforts: • Build a new institute (Szyfrow) and gather the mathematicians:

  4. Repetitions are against the security • Rejewski started his work on the basis of this law: • He tried to find the repeating words and then try to find patterns: • The first words of every message are these repeated words.

  5. These repeated strings act as Achilles heels • He tried to find closed cycle of letters and then he noticed that the length of cycles would change by the day.

  6. Every Setting leads to a different length of cycles

  7. This discovery inspired him to provide a catalog of every setting. It took a year. It did not support the plugboardsetting. Ultimately if they find the appropriate setting of scrambles: • He allive in belrin. • He arrive in berlin.

  8. The Enigma Machines become more complex • The number of scrambles increased at the 1938. The Polish become unable to decipher the messages.

  9. Polish transferred their experiences : • England made a new institute :

  10. Searching For New Patterns • Tiredness of German soldiers lead to repeated passwords • Military messages obey special structures

  11. Alan Turing The Hero Of Mankind • Alan Turing tried to find another way for deciphering • Turing tried to find the special structures according to past messages • The first messages were about the weather

  12. Turing : German messages had lots of Achilles heels • The first message was something like : • Turing had some sentences that were mixtures of cipher text and deciphered text . He called them crib

  13. Enigma machine had a bug. It was unable to cipher a letter by itself • A ------------> A

  14. Turing designed a so noisy machine called Bombe. • He used one of the first Parallel machines.

  15. Ultra Files • The Bombe had changed the destiny of war. • Herman Pole : The war became a comic movie. We knew what and where and when and who and a bit more. • It informed the allies the location of German supply lines and the statue of General Romels forces in North Africa • The detailed pictures of German troops concentrations • along the French coast.

  16. The Tragic destiny of Bletchley park cryptanalysts. • Derek Taunt : Our Happy dominated on King Harry street in Hampshire.

  17. Natural Encoding And Biological Bombes • A language with four letters. The code book to make all the functional macro molecules . A T C G

  18. How to code it crack it hack it • It leads to know the way we live. • Every Protein is consisted of amino acids and every amino acids code by a special word.

  19. The biological deciphering methods

  20. The biological deciphering machine • RNA polymerase

  21. Thanks for your Attention • OPZSV XDQDG LDITU WTSGC LVQQV BMLZO STMHB CFIA

More Related