Abstract:
A method of an electronic device is provided. The method includes generating a key code by receiving a selection on at least one area from among areas of an image displayed, decrypting an encrypted message included in the image by using the generated key code, and determining whether to output the encrypted message by determining whether a hash code for the decrypted message is identical to a hash code for inputted text information.
Abstract:
Various embodiments regarding an electronic device and a content providing method in an electronic device are described. An electronic device according to an embodiment comprises: a communication unit configured to transmit content and receive additional information of the content; a control unit configured to acquire information related to the secondary of the content on the basis of the additional information; and a display unit configured to display the content and the information related to the secondary of the content. Other various embodiments are also possible.