Pastable version of Circular Cipher

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            <pre class="sunburst"><span style="color:#AEAEAE;font-style:italic;"><span style="color:#AEAEAE;font-style:italic;">#</span>Input string</span>
msg <span style="color:#E28964;">=</span> <span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>I wonder if this code can be better.<span style="color:#65B042;">&quot;</span></span>

<span style="color:#AEAEAE;font-style:italic;"><span style="color:#AEAEAE;font-style:italic;">#</span>Randomly-generated key</span>
key <span style="color:#E28964;">=</span> <span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>s7eOhg2fqgPRWXtp303B67551G5zpEyHe78q5NR5eWKP9eq9fk54D23<span style="color:#65B042;">&quot;</span></span>

<span style="color:#AEAEAE;font-style:italic;"><span style="color:#AEAEAE;font-style:italic;">#</span>This is the only way I can figure out how to store the result of the .each loops</span>
ciphered <span style="color:#E28964;">=</span> <span style="color:#65B042;"><span style="color:#65B042;">&quot;</span><span style="color:#65B042;">&quot;</span></span>
deciphered <span style="color:#E28964;">=</span> <span style="color:#65B042;"><span style="color:#65B042;">&quot;</span><span style="color:#65B042;">&quot;</span></span>

beg <span style="color:#E28964;">=</span> <span style="color:#3387CC;">32</span>     <span style="color:#AEAEAE;font-style:italic;"><span style="color:#AEAEAE;font-style:italic;">#</span>Equivalent to ASCII's {space} in decimal</span>
fin <span style="color:#E28964;">=</span> <span style="color:#3387CC;">91</span>     <span style="color:#AEAEAE;font-style:italic;"><span style="color:#AEAEAE;font-style:italic;">#</span>Equivalent to the distance between ASCII {space} and ASCII {z}</span>

(<span style="color:#3387CC;">0</span>..msg.<span style="color:#89BDFF;">length</span><span style="color:#E28964;">-</span><span style="color:#3387CC;">1</span>).<span style="color:#89BDFF;">each</span> <span style="color:#E28964;">do </span>|<span style="color:#3E87E3;">i</span>|
	foo <span style="color:#E28964;">=</span> (msg[i] <span style="color:#E28964;">-</span> beg) <span style="color:#E28964;">+</span> (key[i] <span style="color:#E28964;">-</span> beg)
	foo <span style="color:#E28964;">%=</span> fin <span style="color:#E28964;">if</span> foo <span style="color:#E28964;">&gt;</span> fin
	foo <span style="color:#E28964;">+=</span> beg
	ciphered <span style="color:#E28964;">&lt;&lt;</span> foo
<span style="color:#E28964;">end</span>

(<span style="color:#3387CC;">0</span>..msg.<span style="color:#89BDFF;">length</span><span style="color:#E28964;">-</span><span style="color:#3387CC;">1</span>).<span style="color:#89BDFF;">each</span> <span style="color:#E28964;">do </span>|<span style="color:#3E87E3;">i</span>|
	foo <span style="color:#E28964;">=</span> (ciphered[i] <span style="color:#E28964;">-</span> beg) <span style="color:#E28964;">-</span> (key[i] <span style="color:#E28964;">-</span> beg)
	foo <span style="color:#E28964;">+=</span> fin <span style="color:#E28964;">if</span> foo <span style="color:#E28964;">&lt;</span> <span style="color:#3387CC;">0</span>
	foo <span style="color:#E28964;">+=</span> beg
	deciphered <span style="color:#E28964;">&lt;&lt;</span> foo
<span style="color:#E28964;">end</span>

<span style="color:#AEAEAE;font-style:italic;"><span style="color:#AEAEAE;font-style:italic;">#</span>msg should now be the same as deciphered</span>
puts msg
puts ciphered
puts deciphered
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