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Feat: Add playfair cipher #2813
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JaydityaDhaka
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JaydityaDhaka
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Panquesito7 and
realstealthninja
as code owners
October 11, 2024 07:51
JaydityaDhaka
changed the title
Feature :Added playfair cipher
Feat: Add playfair cipher
Oct 11, 2024
are there any additional requirments for this PR? |
realstealthninja
requested changes
Oct 15, 2024
Have put in all the necessary changes, could you also add Hacktoberfest tag |
realstealthninja
requested changes
Oct 19, 2024
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Description of Change
This pull request adds the implementation of the Playfair Cipher algorithm. The Playfair cipher is a digraph substitution cipher, which encrypts pairs of letters from the plaintext using a 5x5 grid. It provides both encryption and decryption functions, handling edge cases such as repeated letters and handling of the 'j' character by replacing it with 'i'.
Key Features:
Checklist
[x] Added description of change
[x] Added file name matches File name guidelines
[x] Added tests and example, test must pass
[x] Added documentation so that the program is self-explanatory and educational - Doxygen guidelines
[x] Relevant documentation/comments is changed or added
[x] PR title follows semantic commit guidelines
[x] Search previous suggestions before making a new one, as yours may be a duplicate.
[x] I acknowledge that all my contributions will be made under the project's license.
Notes:
This pull request includes a detailed file header using Doxygen-style comments, an example of usage with both encryption and decryption of sample text, and test cases to ensure the correctness of the algorithm.