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The message encryption is done using the Vernam cipher. The Vernam cipher can not be cracked if used Correctly.These are the rules for having a safe inviolability: 1)The key must be as long as the text to be encrypted. 2)The key to be used only once. 3)The key must be random. You can use the app with simple keys, but in this case the security will be less.
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  2. > SMS & IM
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