mikgaw@st.amu.edu.pl
0aa97df223
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| .idea | ||
| __pycache__ | ||
| 1250_eng_words.txt | ||
| README.md | ||
| data.py | ||
| input_cesar.txt | ||
| input_plaintext.txt | ||
| main.py | ||
| words_eng.txt | ||
README.md
cesar-cipher-crakcer
Program łamie szyfr cezara używając analizy częstotliwości wystepowania znaków w języku.
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The program shows success rates in cracking cesar ciphers
Example of long plaintext in Polish: Cześć, oto przykładowy tekst po Polsku ze znakami interpunkcyjnymi;,/$!? i kropkami..
Encrypted text with key 5: fbizgśźśuwbąńódhśaąźińyźuśuśoyńżbibrdńdpmmrźiwużrńfąnrąpmmńwśuńdpm
Result of ciphertext-only attack: cześćotoprzykładowytekstpopolskuzeznakamiinterpunkcyjnymiikropkami
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Example of long plaintext in English: Once upon a time I decrypt some texts.
Encrypted text with key 9: xwlndyxwjcrvnrmnlahycbxvncngcb
Result of ciphertext-only attack: onceuponatimeidecryptsometexts
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Now I will check how short of a word can be decrypted using this frequency analyzer.
100 3-letters long English words. Decryption succes rate: 13%
100 4-letters long English words. Decryption succes rate: 27%
100 5-letters long English words. Decryption succes rate: 23%
150 6-letters long English words. Decryption succes rate: 49%
200 7-letters long English words. Decryption succes rate: 45%
200 8-letters long English words. Decryption succes rate: 52%
200 9-letters long English words. Decryption succes rate: 63%