Vigenère cipher: Difference between revisions
Content added Content deleted
(Standard Pascal) |
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// convert a string to uppercase |
// convert a string to uppercase |
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FUNCTION ucase(str: STRING): STRING; |
FUNCTION ucase(str: STRING): STRING; |
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VAR i: BYTE; |
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BEGIN |
BEGIN |
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ucase := ''; |
ucase := ''; |
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| Line 1,730: | Line 1,730: | ||
vkey := ''; |
vkey := ''; |
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FOR c := 1 TO Length(pt) DO BEGIN |
FOR c := 1 TO Length(pt) DO BEGIN |
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n := c mod |
n := c mod Length(k); |
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IF n>0 THEN vkey += k[n] ELSE vkey += k[Length(k)]; |
IF n>0 THEN vkey += k[n] ELSE vkey += k[Length(k)]; |
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END; |
END; |
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