Caesar cipher: Difference between revisions
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If Len(a$)=0 Then Exit |
If Len(a$)=0 Then Exit |
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a$=Ucase$(a$) |
a$=Ucase$(a$) |
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N=N mod 25 +1 |
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\\ Integer in Mem is unsigned number |
\\ Integer in Mem is unsigned number |
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Buffer Mem as Integer*Len(a$) |
Buffer Mem as Integer*Len(a$) |
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Return Mem, 0:=a$ |
Return Mem, 0:=a$ |
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For i=0 to Len(a$)-1 { |
For i=0 to Len(a$)-1 { |
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If Eval(mem, i)>=65 and Eval(mem, i)<=90 then Return Mem, i:=(Eval(mem, i)- |
If Eval(mem, i)>=65 and Eval(mem, i)<=90 then Return Mem, i:=(Eval(mem, i)-39+n) mod 26 + 65 |
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} |
} |
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=Eval$(Mem) |
=Eval$(Mem) |
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} |
} |
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B$=Cipher$(a$, |
B$=Cipher$(a$, 10) |
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Print B$ |
Print B$ |
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Print Cipher$(B$, |
Print Cipher$(B$,-10) |
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n=1 ' n negative or positive or zero |
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for i=65 to 65+25 |
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a=(1+(i -64)+n+24) mod 26 + 65 |
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? chr$(a), |
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next |
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</syntaxhighlight> |
</syntaxhighlight> |
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? |
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=={{header|Maple}}== |
=={{header|Maple}}== |
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<syntaxhighlight lang="maple"> |
<syntaxhighlight lang="maple"> |
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