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Crypto
Crypto.Substitution
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Method Crypto.Substitution()->set_rot_key()
- Method
set_rot_key
this_program set_rot_key(void|int steps, void|array(string) alphabet)
- Description
Sets the key to a ROT substitution system. steps defaults
to 13 and alphabet defaults to A-Z, i.e. this function
defaults to set the substitution crypto to be ROT13. If no
alphabet is given the key will be case insensitive, e.g. the
key will really be two ROT13 alphabets, one a-z and one A-Z,
used simultaneously.
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