39 lines
1.3 KiB
Markdown
39 lines
1.3 KiB
Markdown
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# cesar-cipher-crakcer
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Program łamie szyfr cezara używając analizy częstotliwości wystepowania znaków w języku.
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====
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The program shows success rates in cracking cesar ciphers
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Example of long plaintext in Polish: Cześć, oto przykładowy tekst po Polsku ze znakami interpunkcyjnymi;,/$!? i kropkami..
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Encrypted text with key 5: fbizgśźśuwbąńódhśaąźińyźuśuśoyńżbibrdńdpmmrźiwużrńfąnrąpmmńwśuńdpm
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Result of ciphertext-only attack: cześćotoprzykładowytekstpopolskuzeznakamiinterpunkcyjnymiikropkami
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Example of long plaintext in English: Once upon a time I decrypt some texts.
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Encrypted text with key 9: xwlndyxwjcrvnrmnlahycbxvncngcb
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Result of ciphertext-only attack: onceuponatimeidecryptsometexts
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====
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Now I will check how short of a word can be decrypted using this frequency analyzer.
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100 3-letters long English words. Decryption succes rate: 13%
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100 4-letters long English words. Decryption succes rate: 27%
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100 5-letters long English words. Decryption succes rate: 23%
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150 6-letters long English words. Decryption succes rate: 49%
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200 7-letters long English words. Decryption succes rate: 45%
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200 8-letters long English words. Decryption succes rate: 52%
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200 9-letters long English words. Decryption succes rate: 63%
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