Ciphers - Spring 1998
Spring 443 Cipher 1- simple substitution - easy version
Spring 443 Cipher 1a- simple substitution - harder version
Spring 443 Cipher 2 - columnar transposition - easy version
Spring 443 Cipher 2a - columnar transposition - hard version
Spring 443 Cipher 3a - Vigenere cipher -easy version
Spring 443 Cipher 3 - Vigenere cipher - hard version
Spring 443 Cipher 4- homophonic cipher - easy version
Spring 443 Cipher 4a- homophonic cipher - hard version
Spring 443 - easy RSA cipher
Spring 443 - difficult RSA cipher
Spring 443 - knapsack cipher
Spring 443 - ElGamal cipher