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WI 6-8: NI2.d.2.m

CodeHS Lessons

Encode and decode text- based messages using basic algorithms (e.g., shift cipher, substitution cipher).

Standard
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
2.1 Project: Steganography
Standard
6.6 Encryption
6.7 Project: Steganography
Standard
2.6 Encryption
2.7 Project: Steganography
Standard
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
2.3 Basic Crypto Systems: Caesar Cipher
2.4 Basic Crypto Systems: Cracking Caesar
2.5 Basic Crypto Systems: Vigenere Cipher
Standard
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
21.4 Basic Crypto Systems: Caesar Cipher
21.5 Basic Crypto Systems: Cracking Caesar
21.6 Basic Crypto Systems: Vigenere Cipher
Standard
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
2.6 Encryption
2.7 Project: Steganography
Standard
2.3 Basic Crypto Systems: Caesar Cipher
2.4 Basic Crypto Systems: Cracking Caesar
2.5 Basic Crypto Systems: Vigenere Cipher
5.1 Project: Steganography
Standard
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
10.3 Basic Crypto Systems: Caesar Cipher
10.4 Basic Crypto Systems: Cracking Caesar
10.5 Basic Crypto Systems: Vigenere Cipher
Standard
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
11.4 Basic Crypto Systems: Caesar Cipher
11.5 Basic Crypto Systems: Cracking Caesar
11.6 Basic Crypto Systems: Vigenere Cipher
Standard
4.6 Encryption
4.7 Project: Steganography
Standard
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
4.3 Basic Crypto Systems: Caesar Cipher
4.4 Basic Crypto Systems: Cracking Caesar
4.5 Basic Crypto Systems: Vigenere Cipher
6.1 Project: Steganography
Standard
4.3 Basic Crypto Systems: Caesar Cipher
4.4 Basic Crypto Systems: Cracking Caesar
4.5 Basic Crypto Systems: Vigenere Cipher
Standard
8.3 Basic Crypto Systems: Caesar Cipher
8.4 Basic Crypto Systems: Cracking Caesar
8.5 Basic Crypto Systems: Vigenere Cipher
Standard
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
4.6 Encryption
4.7 Project: Steganography