Substitution cipher: Difference between revisions

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{{draft task|Encryption}} [[Category:String manipulation]]
{{draft task|Encryption}}
[[Category:String manipulation]]


Substitution Cipher Implementation - File Encryption/Decryption
Substitution Cipher Implementation - File Encryption/Decryption


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Task - Here we have to do is there will be a input/source file in which we are going to Encrypt the file by replacing every upper/lower case alphabets of the source file with another predetermined upper/lower case alphabets or symbols and save it into another output/encrypted file and then again convert that output/encrypted file into original/decrypted file.
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This type of Encryption/Decryption scheme is often called a Substitution Cipher. [https://en.wikipedia.org/wiki/Substitution_cipher Click here] to know more.


;Task:
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;See also:
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Encrypt a input/source file by replacing every upper/lower case alphabets of the source file with another predetermined upper/lower case alphabets or symbols and save it into another output/encrypted file and then again convert that output/encrypted file into original/decrypted file.

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This type of Encryption/Decryption scheme is often called a Substitution Cipher.


;Related tasks:
* [[Caesar cipher]]
* [[Caesar cipher]]
* [[Rot-13]]
* [[Rot-13]]
* [[Vigenère Cipher/Cryptanalysis]]
* [[Vigenère Cipher/Cryptanalysis]]

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;See also:
* Wikipedia article: &nbsp; [https://en.wikipedia.org/wiki/Substitution_cipher Substitution cipher]
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=={{header|Ada}}==
=={{header|Ada}}==
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Retrieved from "https://rosettacode.org/wiki/Substitution_cipher"