Method Crypto.Substitution()->set_ACA_K3_key()

Method set_ACA_K3_key

this_program set_ACA_K3_key(string key, int offset, void|array(string) alphabet)

Description

Sets the key according to ACA K3 key generation. Both the plaintext and the cryptogram alphabets are prepended with a keyword key, which characters are removed from the rest of the alphabet. The plaintext alphabet is then rotated offset number of steps.