Cryptograph Rsa and Compression Shannon Fano Text File Services at Mobile Devices
| Autor: | Dwi Kuswanto |
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| Rok vydání: | 2020 |
| Předmět: | |
| Zdroj: | Journal of Physics: Conference Series. 1569:022079 |
| ISSN: | 1742-6596 1742-6588 |
| Popis: | Text File Services is still an option for sending a message, the visible difference between Text File Services and other services besides the file size of sending messages is the security level. In Instant Messenger there are features to secure conversations with various Cryptograph methods, while Text File Services does not have that feature. Therefore made Text File Services with additional features Cryptograph. Cryptograph method used is the RSA algorithm. The RSA algorithm makes the plaintext increase in the number of characters, so the Compression feature needs to be added to suppress the increase in the number of characters. Shannon Fano is a Compression symbol wise algorithm where each character that is compressed is converted into a new binary code. This compression is intended to reduce the number of Encryption result characters. The results of this study obtained information that the RSA and Shannon Fano methods can be implemented in the text file service, with the longer key being used the longer the process of decryption of messages with the average value of the avalanche effect ciphertext and the result of Compression is relatively the same. The key length used for the possibility of Brute Force is positively correlated with an average Test Compression Ratio of 1.41 and space-saving of 29.37%. |
| Databáze: | OpenAIRE |
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