<div dir="ltr">A transposition Scytale like cipher on a modern machine<div>with constant width fonts and variable width screens.</div><div><br></div><div>Type your alphabet across the first line of a text window.</div><div>Insert a blank line.</div><div>Type the same or another alphabet N times on a single </div><div>line. Lines like variations of "the quick brown fox...." will do.</div><div>Slide the edge of the window smaller stopping at </div><div>a character (I) of the top alphabet. Countdown "D" copy the characters</div><div>from the left edge under a normal alphabet for a simple</div><div>transposition table.</div><div><br></div><div>Four modest secrets:</div><div> The top line of characters.</div><div> The index (I) of the top line to set the right edge to.</div><div> The repeated alphabet. </div><div> A count of characters (D) to toss so the first is not always first.<br><div><br></div><div>Changing the width of the screen is a lot like changing the </div><div>diameter of the rod with a bit of complication tossed in.</div><div><br></div><div>Good for a word or two...</div><div><br></div><div><br></div><div> -- <br><div class="gmail_signature"><div dir="ltr"> T o m M i t c h e l l</div></div>
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