Method and device for managing security of information in mobile terminal, and mobile terminal

摘要

Disclosed are a method and device for managing security of information in a mobile terminal, as well as a mobile terminal. In creating and initializing a text file, first mobile terminal ID information is written in a starting part of the text file; and in storing information, information to be stored is ciphered and written in the text file, and the text file is stored; in reading the first mobile terminal ID information and the stored information, the first mobile terminal ID information and the ciphered information are loaded into a memory; and a mode of displaying text information is determined; and in displaying the stored information, when it is determined to display text information as plaintext, authentication is performed to determine if a local mobile terminal is authorized to decipher the ciphered information loaded in the memory according to the first mobile terminal ID information, and when the mobile terminal is authorized, the ciphered information is deciphered and displayed as plaintext, or ciphertext is displayed if the mobile terminal is not authorized. With the disclosure, it is possible to effectively stop someone other than a user of a mobile terminal from connecting the mobile terminal to a computer through a Universal Serial Bus (USB) and stealing user information in the mobile terminal.

主权项

1. A method for managing security of information in a mobile terminal, comprising steps of:
in creating and initializing a text file, writing first mobile terminal identifier (ID) information in a starting part of the text file; and in storing information, ciphering information to be stored, writing the ciphered information in the text file, and storing the text file; in reading the first mobile terminal ID information and the stored information, loading the first mobile terminal ID information and the ciphered information into a memory; and determining a mode of displaying text information; and in displaying the stored information, when a mode of displaying text information as plaintext is determined, authenticating, according to the first mobile terminal ID information, an authorization for decipherment of the ciphered information loaded in the memory, and when the authorization for decipherment is authenticated, deciphering the ciphered information loaded in the memory and displaying the deciphered information as plaintext.