<code> class String def encrypt tr "a-z", "b-za" end def decrypt tr "b-za", "a-z" end end e = "hello.world! how".encrypt d = e.decrypt puts e puts "\n" puts d </code>

http://jasondanielong.multiply.com/journal/item/181/Facets_of_Ruby_Simple_encryption_for_dummies

How to write a basic encryption in Ruby(shiftword)

<code> class String def encrypt tr "a-z", "b-za" end def decrypt tr "b-za", "a-z" end end e = "hello.world! how".encrypt d = e.decrypt puts e puts "\n" puts d </code> 07.12.13

http://jasondanielong.multiply.com/journal/item/181/Facets_of_Ruby_Simple_encryption_for_dummies

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