CompSec-HW-3-Java-Code-for-various-encryption-and-decryption-operations

The code has the following functionalities:

1. CBC for 128 bits key.
2. CTR for 128 bits key.
3. CTR with 256 bits key.
4. Calculate hash using SHA-256.
5. Calculate hash using SHA-512.
6. Calculate hash using SHA3-256.
7. Encrypt and Decrypt using PKCS#1 v2 padding using 2048-bit RSA key.
8. Encrypt and Decrypt using PKCS#1 v2 padding using 3072-bit RSA key.
9. Sign the files using 2048-bit DSA key.
10. Sign the files using 3072-bit DSA key.