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I have a chat application in android. I want an algorithm which shows meaningful words but not the original chat in the textview. And when the user clicks on the textview he will be able to see the original chat and after some time the original chat vanishes replacing with the same meaningful words displayed before. Can anyone please help me out?

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The purpose of encryption is to convert data into a form that is unreadable to someone who does not have a "key". You're doing something totally different. –  Blender Jun 14 '12 at 5:33
yeah so i want something like this so that if someone else is reading the chat he will not know the original chat and also he will not know that it is encrypted because the encrypted text should also make sense –  Vijeta Karani Jun 14 '12 at 8:05
You're looking for Steganography - refer en.wikipedia.org/wiki/Steganography –  Sean Jun 14 '12 at 12:08
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