Cipher Algorithms HelpLine

Author: dipta-dhar

README.md

@@ -3,6 +3,8 @@
 | Algorithm | C/CPP | JAVA |
 |:--------------|:----------------:|:----------------:|
 | [Caesar Cipher](http://practicalcryptography.com/ciphers/caesar-cipher/) | [:white_check_mark:](CipherAlgo/Caesar%20Cipher.cpp) |  |
+| [Hill Cipher](https://www.cybrary.it/0p3n/learn-hill-cipher-3x3-matrix-multiplicative-inverse-example/) | [:white_check_mark:](CipherAlgo/Hill%20Cipher.cpp) |  |
+| [Monoalphabetic Cipher](https://secgroup.dais.unive.it/teaching/cryptography/monoalphabetic-ciphers/) | [:white_check_mark:](CipherAlgo/Monoalphabetic%20Cipher.cpp) |  |
 | [RailFence Cipher](http://crypto.interactive-maths.com/rail-fence-cipher.html) | [:white_check_mark:](CipherAlgo/RailFence%20Cipher.cpp) |  |
 | [Vernam Cipher](http://www.programming-algorithms.net/article/40240/Vernam-cipher) | [:white_check_mark:](CipherAlgo/Vernam%20Cipher.cpp) |  |
 | [Vigenère Cipher](https://learncryptography.com/classical-encryption/vigenere-cipher) | [:white_check_mark:](CipherAlgo/Vigenère%20Cipher.cpp) |  |