| 摘要 |
A method may include creating, by a user device, an electronic message, the electronic message comprising destination information corresponding to an intended recipient of the electronic message. The method many include receiving, by the user device and from a user, a security key corresponding to a particular type of user input and corresponding to the intended recipient of the electronic message. The method may include encrypting, by the user device, the electronic message based on the security key, and the method may include communicating, by the user device, the electronic message based on the destination information corresponding to the intended recipient.
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