/homeworks-of-information-security

This is the Homeworks-Of-Introuction-to-Information-Security Course of 2017 Spring Course in NTUST.

Primary LanguageC++MIT LicenseMIT

Homeworks-Of-Introuction-to-Information-Security

Author : 大祥
StartTime: 2017-06-23 ，ModifyTime：2017-06-23

This is the Homeworks-Of-Introuction-to-Information-Security Course of 2017 Spring Course in NTUST.This course is from February 20, 2017 to the end of June, 2017.

These homeworks use C++(HW1,HW2) and Python(HW3) programming language.

The detailed homework requirements is in their folder.

Below is the outline about these homework.

Homework 1 Outline

  1. Caesar cipher
  2. Monoalphabetic cipher
  3. Playfair cipher
  4. Vernam proposed the autokey system
  5. Row transposition
  6. Product cipher

Homework 2 Outline

Encrypt and decrypt bmp file using DES algorithms. And use your DES as the encryption and decryption (加解密都要) in ECB, CBC, OFB and CTR modes.

Homework 3 Outline

Implement RSA Cryption and using Square & multiply ,Chinese remainder theorem to speed up process.

Using test( Miller-Rabin Test is recommended ) to find large prime number but not calling library.