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I want to develop an application that allows users to send and receive encrypted text messages, could you please suggest to me what is the best symmetric encryption algorithm that can be suitable for my purpose.

closed as too broad by Stephane, StackzOfZtuff, Xander, user45139, Lucas Kauffman Oct 19 '15 at 14:41

Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

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    That's too broad my friend, one needs to write a book to answer you, please try to be specific. – user45139 Oct 19 '15 at 14:16
  • I'm afraid that adding the word "symmetric" doesn't really make the question less broad. There is a standard for off-the-record or OTR messaging that might get you started. From reading that you'll see that a secure messaging system is more than just picking an encryption algorithm. – Neil Smithline Oct 19 '15 at 21:22