22 lines
440 B
Text
22 lines
440 B
Text
alpha$ = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
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key$ = "VsciBjedgrzyHalvXZKtUPumGfIwJxqOCFRApnDhQWobLkESYMTN"
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#
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proc subst in$ &out$ &a$ &b$ .
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out$ = ""
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for c$ in strchars in$
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p = strpos a$ c$
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if p > 0 : c$ = substr b$ p 1
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out$ &= c$
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.
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.
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func$ enc s$ .
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subst s$ r$ alpha$ key$
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return r$
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.
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func$ dec s$ .
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subst s$ r$ key$ alpha$
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return r$
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.
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c$ = enc "Hello world"
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print c$
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print dec c$
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