The method, system, and terminal which decrypt the application program in a communication terminal with encryption

Japanese Patent JP6129325

B2

A method, system and terminal for encrypting and decrypting an application program on a communication terminal are disclosed, including: the communication terminal using an identification number of a subscriber identification card as an encryption key, performing encryption processing on an application program to be protected, and obtaining an encrypted application program; when a user accesses the encrypted application program, the communication terminal performing matching processing on an identification number of a subscriber identification card inserted currently and the encryption key; and if a processing result is that the identification number of the subscriber identification card inserted currently is matched with the encryption key, performing decryption processing on the encrypted application program for the user to use. By encrypting an application program installed in the terminal through a key in the subscriber identification card, the user can freely select an application required to be encrypted in the terminal, which enhances the security of the application program in the terminal when accessed and used without influencing the access experience of the user for programs with low security requirements, and enhances the security of private data of the user in the terminal without losing good user experience.

Lee, Seepen

JP2015537119A

May 17, 2017

July 22, 2013

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ZTE CORPORATION

H04L9/08; G06F1/00; G06F21/12; G06F21/31; G09C1/00; H04L9/32

JP2005310041A
JP2004334387A
JP2002279376A
JP2005128996A
JP2003250183A
JP2006013641A
JP2009080772A

US20060018484

Yusuke Hiraki
Toshiaki Watanabe
Hidekazu Matsumaru
Akira Yoshikawa

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