Vigenère cipher: Difference between revisions
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Cyril Nocton (talk | contribs) m (→Alternative) |
Cyril Nocton (talk | contribs) m (→Main solution) |
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=={{header|Common Lisp}}== |
=={{header|Common Lisp}}== |
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====Main |
====Main version==== |
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This doesn't assume anything about character codes other than A-Z being a contiguous block (but still, we could be using EBCDIC. Who knows.) |
This doesn't assume anything about character codes other than A-Z being a contiguous block (but still, we could be using EBCDIC. Who knows.) |
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<lang lisp>(defun strip (s) |
<lang lisp>(defun strip (s) |
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enc: WMCEEIKLGRPIFVMEUGXXYILILZXYVBZLRGCEYAIOEKXIZGU |
enc: WMCEEIKLGRPIFVMEUGXXYILILZXYVBZLRGCEYAIOEKXIZGU |
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dec: BEWARETHEJABBERWOCKTHEJAWSTHATTHECLAWSTHATCATCH</pre> |
dec: BEWARETHEJABBERWOCKTHEJAWSTHATTHECLAWSTHATCATCH</pre> |
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====Alternative version==== |
====Alternative version==== |
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No string to circular list conversion. |
No string to circular list conversion. |
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