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An secure text messaging application for Android.

TextSecure is a replacement for the standard text messaging application, allowing you to send and receive text messages as normal. Additionally, TextSecure provides:

  1. Local Encryption -- All text messages, regardless of destination, that are sent or received with TextSecure are stored in an encrypted database on your phone.
  2. Wire Encryption -- When communicating with a recipient who is also using TextSecure, text messages are encrypted during transmission.

Bug tracker

Have a bug? Please create an issue here on GitHub!


Looking for documentation? Check out the wiki!

Mailing list

Have a question? Ask on our mailing list!

Cryptography Notice

This distribution includes cryptographic software. The country in which you currently reside may have restrictions on the import, possession, use, and/or re-export to another country, of encryption software. BEFORE using any encryption software, please check your country's laws, regulations and policies concerning the import, possession, or use, and re-export of encryption software, to see if this is permitted. See for more information.

The U.S. Government Department of Commerce, Bureau of Industry and Security (BIS), has classified this software as Export Commodity Control Number (ECCN) 5D002.C.1, which includes information security software using or performing cryptographic functions with asymmetric algorithms. The form and manner of this distribution makes it eligible for export under the License Exception ENC Technology Software Unrestricted (TSU) exception (see the BIS Export Administration Regulations, Section 740.13) for both object code and source code.


Copyright 2011 Whisper Systems

Licensed under the GPLv3: