Samsung Electronics Co., Ltd.

Se-Wook Park

Yong-Joon Jeon

Jae-Min Jung

Woo-Gyu Lim

Woo-Jin Yun

Sung-Min Kwak

The present disclosure relates to a lock releasing method of an electronic device, an apparatus thereof, and a medium storing a program source for the method. The lock releasing method includes: in response to a request for lock releasing, outputting reference data to be used for deciphering of a password; receiving a password input by a user; and, determining a correlation between the reference data and the password input by the user, and releasing the lock when the password input by the user has a correlation with the reference data. According to the present disclosure, it is possible to flexibly change a password for releasing a lock of various electronic devices, so as prevent the leakage of a password, and thus protect private information of a user and improve system security.

Lock releasing method of electronic device, and apparatus thereof

A method and an apparatus for preventing illegal access by using a prohibit key in an electronic device, is provided. The method includes determining a variable prohibit key which is dynamically varied according to a predetermined variable factor, if a password is input to access a system, determining the existence of the determined variable prohibit key in the input password, and rejecting an access of a user to the system, if the variable prohibit key exists in the input password.

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Seoul, South Korea

Se-Wook Park