IT8761: Security Lab Experiments

WORK IN PROGRESS!

Not yet completed.

Note: If you are executing the programs separately, remove the first statement in the java file.

package com.company.xyz.abc;

Substitution and Transposition Techniques

Sample Outputs

Caesar Cipher

PlayFair Cipher

Hill Cipher

Note: Hill Cipher decryption fails for edge cases in this implementation. Requires additional bug fixes.

String Key

Matrix Key

Vigenere Cipher

Rail Fence Cipher

Column & Row Transposition Cipher

Cryptographic Algorithms

Sample Outputs

RSA Algorithm

Diffie–Hellman Key Exchange Algorithm

MD5 Algorithm

SHA-1 Algorithm

DES Algorithm

AES Algorithm

RSA Algorithm Using HTML, CSS & JavaScript

Sample Outputs

Encryption

Decryption

Digital Signature Standard (DSS)

Signature Generation and Verification

Sample Output