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Vigenere Cipher is a Polyalphabetic Cipher that use a keyword for encryption and <br /> <br /> <br /> <br /> <br /> decryption process. Ciphertext that this crypto system generate can hide charac- <br /> <br /> <br /> <br /> <br /&...
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| Format: | Final Project |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/14078 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | Vigenere Cipher is a Polyalphabetic Cipher that use a keyword for encryption and <br />
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decryption process. Ciphertext that this crypto system generate can hide charac- <br />
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teristic of plaintext that suppose to be a secret. But, when the length of keyword is <br />
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known, the system can be easily cracked. In this final project, we try to construct <br />
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a program that can simulate Ciphertext Attack-only against Vigenere Cipher us- <br />
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ing Index of Coincidence and Sum of Log Weight as main foundation of program <br />
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algorithm. |
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