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A method and device for encrypting and decrypting information in short messages

A technology for encryption, decryption and SMS, applied in the field of communication, can solve problems such as lack of practicability, and achieve the effect of reducing leakage risk, improving user experience, and ensuring user information security.

Active Publication Date: 2021-04-02
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, many third-party applications installed on mobile terminals can bypass this encryption mechanism to directly receive or read text messages. Therefore, the second method also has shortcomings in terms of practicability

Method used

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  • A method and device for encrypting and decrypting information in short messages
  • A method and device for encrypting and decrypting information in short messages
  • A method and device for encrypting and decrypting information in short messages

Examples

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no. 2 example

[0056] In order to better reflect the purpose of the present invention, on the basis of the first embodiment of the present invention, the mobile terminal takes a mobile phone as an example, and the encryption and decryption of digital information in the mobile phone are further described.

[0057] figure 2 It is a flow chart of the second embodiment of the method for encrypting and decrypting information in a short message according to the present invention, and the method includes:

[0058] Step 200: The bottom layer of the mobile phone receives a new text message.

[0059] Step 201: Determine whether the SMS encryption control switch is turned on, if yes, execute step 202; if not, skip to step 204.

[0060] Here, if the SMS encryption control switch is not turned on, the bottom layer of the mobile phone directly sends the received new SMS to the SMS application of the mobile phone.

[0061] Step 202: Determine whether the length of the number in the new short message is ...

no. 3 example

[0081] In order to better reflect the purpose of the present invention, on the basis of the first embodiment of the present invention, the encryption and decryption of the personal mailbox in the mobile phone short message will be further described.

[0082] image 3 It is a flow chart of the third embodiment of the method for encrypting and decrypting information in a short message according to the present invention, and the method includes:

[0083] Step 300: The bottom layer of the mobile phone receives a new text message.

[0084] Step 301: Determine whether the SMS encryption control switch is turned on, if yes, execute step 302; if not, skip to step 304.

[0085] Step 302: Judging whether the new text message contains a character string satisfying the set condition, if yes, execute step 303; if not, skip to step 304.

[0086]In the embodiment of the present invention, the commonly used email address is composed of three parts, the first part is the user account number;...

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Abstract

A method and device for encrypting and decrypting information in a short message. The method comprises: a lower layer of a mobile terminal receives at least one original short message comprising private information; when the original short message satisfies an encryption criterion, the lower layer of the mobile terminal encrypts the private information in the original short message to generate an encrypted short message, transmits to a short message application of the mobile terminal the encrypted short message; and upon receiving the encrypted short message, the short message application of the mobile terminal decrypts the encrypted short message.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and device for encrypting and decrypting information in short messages. Background technique [0002] With the increasing popularity of mobile terminals, such as mobile phones, tablet computers, smart watches, etc., mobile terminals have become the most commonly used portable mobile electronic devices in people's lives. As a basic communication service in mobile terminals, the SMS function has long been It has become one of the necessary functions of the mobile terminal. And as various third-party applications emerge in endlessly in mobile terminals, many third-party applications have applied for permission to read short messages. Some malicious third-party applications may obtain the user's personal privacy by stealing the user's short message, threatening the user's information security. In order to avoid leakage of user information, mobile terminal SMS encryp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/00H04W12/02
CPCH04W4/185H04W12/02H04W4/18H04W12/033
Inventor 张勇
Owner ZTE CORP
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