CN101815267A - Method for encrypting short message of mobile communication terminal - Google Patents
Method for encrypting short message of mobile communication terminal Download PDFInfo
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- CN101815267A CN101815267A CN 201010118890 CN201010118890A CN101815267A CN 101815267 A CN101815267 A CN 101815267A CN 201010118890 CN201010118890 CN 201010118890 CN 201010118890 A CN201010118890 A CN 201010118890A CN 101815267 A CN101815267 A CN 101815267A
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Abstract
The invention is suitable for the technical field of mobile communication terminals and provides a method for encrypting a short message of a mobile communication terminal. The method comprises the following steps that: a, the mobile communication terminal of a short message sender sends an encrypted short message which carries a short message code; and b, the mobile communication terminal of a short message receiver receives the encrypted short message, resolves the short message code from the encrypted short message, and compares the short message code with a code input by a short message receiver user, and if the short message code is matched with the code input by the short message receiver user, the content of the encrypted short message is displayed. The technical scheme provided by the invention realizes the encryption of the short message under the condition of not changing the structure of the short message, so the encrypted short message is sent or received by only processing a short message header UDH at a background; and the method is effective and feasible technically, and is simple and convenient for users to operate.
Description
Technical field
The invention belongs to communication technical field, relate in particular to a kind of method for encrypting short message of mobile communication terminal.
Background technology
Mobile communication terminal as mobile phone, has obtained application more and more widely as one of main means of communication.In the various functions of mobile communication terminal, the transmitting-receiving of all kinds of short messages has been a requisite function, comprises note and multimedia message etc.
In the short message of user's transmitting-receiving, may comprise the information of or secret very important, as individual privacy, trade secret, keying material etc. to the user.When existing mobile communication terminal sends SMS message, still do not possess encryption function, be unfavorable for protection user profile.
Therefore, need a kind of technical scheme, can when sending SMS message, encrypt, thereby improve privacy and the fail safe that the user receives and dispatches short message.
Summary of the invention
The object of the present invention is to provide a kind of method for encrypting short message of mobile communication terminal, be intended to solve the problem that portable communication terminal short is encrypted.
The present invention is achieved in that a kind of portable communication terminal short method of encrypting, and described method comprises:
A, short message transmit leg mobile communication terminal send encrypts short message, carries the short message password in the described encryption short message;
B, short message receiving debit mobile communication terminal receive described encryption short message, from described encryption short message, parse described short message password, password comparison with described short message password and short message receiving debit user input if both mate, then shows the content of described encryption short message.
Wherein also comprise before the step a:
A0, described short message transmit leg mobile communication terminal receive the short message password that the user sets, with described short message password storage.
Wherein step a specifically comprises:
A1, described short message transmit leg mobile communication terminal generate described encryption short message, the short message password of being stored are joined among the message header UDH of described encryption short message, send described encryption short message.
Wherein also carry encryption identification in the described encryption short message of step a, described encryption identification is used for identifying described short message for encrypting short message.
Wherein step b also comprises:
Described short message receiving debit mobile communication terminal is according to pointing out described short message receiving debit user to input password to the analysis result of encryption identification in the described encryption short message.
More specifically, described encryption identification is the IEI among the self-defining short message message UDH.
More specifically, the value of described IEI is the retention in the 3GPP short-message protocol.
More specifically, described short message password carries by the IEID among the described self-defining short message message UDH.
More specifically, wherein also carry the length value of described short message password in the described encryption short message of step a, described short message Password Length value is carried by the IEIDL among the self-defining short message message UDH.
The present invention overcomes the deficiencies in the prior art, utilize the field in the message header of portable communication terminal short, mark encryption is also carried the short message password, after the mobile communication terminal that receives short message receives the encryption short message, judge that according to the field in the message header this short message is the encryption short message, and therefrom parse password, point out the user to input password then, with the password of user's input and the password comparison that parses, if both couplings then show this content of short message.Technical scheme provided by the invention has realized the short message encryption under the situation of the structure that does not change note itself, sending and receiving only needs when encrypting note on the backstage short message message UDH to be handled, technical simply effective and feasible, and simple and convenient user operation.
Description of drawings
Fig. 1 is the short message structure schematic diagram;
Fig. 2 is an embodiment of the invention flow chart.
Embodiment
Technical scheme provided by the invention is: utilize the field in the message header of portable communication terminal short, mark encryption is also carried the short message password, after the mobile communication terminal that receives short message receives the encryption short message, judge that according to the field in the message header this short message is for encrypting short message, and therefrom parse password, point out the user to input password then, with the password of user's input and the password comparison that parses, if both couplings then show this content of short message.
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 1, portable communication terminal short mainly comprises UDL (User Data Length, User Data Length, the total length of all data after the expression UDL), UDHL (User Data HeaderLength, User Data Header length, expression short message head length degree), UDH (message header, User Data Header) and Compressed Short Msg (compression short message).Wherein, Compressed Short Msg represents concrete short message text, comprises among the UDH that ((Information Element Identifier, information element sign) uses IEI n (n=1,2,3,4 to a plurality of IEI in the following table ...) expression.Wherein, IEI n, an IEIDL n (Information Element Identifier Data Length, information element identification data length), IED n (Information Element Data, the information element data) (n=1,2,3,4 ...) be combined as an IEI, several IEI have formed UDH.
According to 3GPP (3rd Generation Partnership Project, third generation partner program) short-message protocol, the value defined of IEI n the purposes of this IEI, span is 00～FF, as IEI 1=00, represent that this IEI is a short message Control Parameter.And values such as 02,26～6F then are retention, are not defined, and choose one of them retention in the embodiment of the invention and define an IEI, are used for identifying this short message for encrypting short message.For example, get IEI 5=26 (identifying this short message) for encrypting short message, carry the short message password (this short message password can be determined in advance by short message transmit leg user, and inform short message receiving debit user) that the user sets among the IED 5,5 expressions of IEIDL Password Length value.
During specific implementation technical scheme provided by the invention, can configure the short message password in advance by the transmit leg user, mobile communication terminal is stored in the short message password that the user sets in the memory, and short message transmit leg user can or inform short message receiving debit user with this short message password before sending the encryption short message afterwards.In the short message transmission interface of mobile communication terminal, set up " encrypt and a send " option, when the user sends SMS message, if desired short message is encrypted, before sending, choose this " to encrypt and send " option, mobile communication terminal generates the corresponding short message of encrypting, in the message header of short message, add IEI 5, IED 5 and IEIDL 5, wherein, IEI 5=26 (representing that this short message is for encrypting short message), IED 5 carries the short message password, IEIDL 5 these Password Length values of expression, the encryption short message that will generate then sends to short message receiving debit mobile communication terminal.
After short message receiving debit mobile communication terminal is received this encryption short message, this encryption short message is resolved, judge that according to the IEI 5=26 among the UDH this short message for encrypting short message, parses the short message password according to IED 5.Point out short message receiving debit user to input password then, after recipient user inputs password, short message receiving debit mobile communication terminal is compared the password of user's input with the password that parses from encrypt short message UDH, if both couplings, then resolve the Compressed Short Msg that encrypts in the short message, to encrypt content of short message and be shown to the user, otherwise prompting user cipher mistake need be re-entered.
Embodiment of the invention flow chart specifically comprises following step as shown in Figure 2:
1, short message transmit leg user sets the short message password, and short message transmit leg mobile communication terminal is with this short message password storage;
2, short message transmit leg user informs short message receiving debit user with this short message password;
3, short message transmit leg user edits short message, selects " encrypt and send " mode to send this short message;
4, short message transmit leg mobile communication terminal generates and encrypts the short message transmission, carry IEI 5, IED 5 and IEIDL 5 in this encryption short message, wherein, IEI 5=26 (representing that this short message is for encrypting short message), IED5 is corresponding with the password of storage, IEIDL 5 these Password Length values of expression;
5, short message receiving debit mobile communication terminal receives this encryption short message;
6, short message receiving debit mobile communication terminal is resolved this encryption short message, judges that according to the IEI 5=26 among the UDH this short message for encrypting short message, parses the short message password according to IED 5;
7, short message receiving debit mobile communication terminal prompting user inputs password, and short message receiving debit user inputs password;
Is 8, short message receiving debit mobile communication terminal inputed password and the short message password comparison that parses, both couplings with the user? if change step 9, otherwise change step 10;
9, short message receiving debit mobile communication terminal is resolved the Compressed Short Msg in the short message, and content of short message is shown to the user.
10, short message receiving debit mobile communication terminal prompting user cipher mistake.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. portable communication terminal short method of encrypting, described method comprises:
A, short message transmit leg mobile communication terminal send encrypts short message, carries the short message password in the described encryption short message;
B, short message receiving debit mobile communication terminal receive described encryption short message, from described encryption short message, parse described short message password, password comparison with described short message password and short message receiving debit user input if both mate, then shows the content of described encryption short message.
2. method according to claim 1 is characterized in that, wherein also comprises before the step a:
A0, described short message transmit leg mobile communication terminal receive the short message password that the user sets, with described short message password storage.
3. method according to claim 2 is characterized in that, wherein step a specifically comprises:
A1, described short message transmit leg mobile communication terminal generate described encryption short message, the short message password of being stored are joined among the message header UDH of described encryption short message, send described encryption short message.
4. method according to claim 1 is characterized in that, wherein also carries encryption identification in the described encryption short message of step a, and described encryption identification is used for identifying described short message for encrypting short message.
5. method according to claim 4 is characterized in that, wherein step b also comprises:
Described short message receiving debit mobile communication terminal is according to pointing out described short message receiving debit user to input password to the analysis result of encryption identification in the described encryption short message.
6. method according to claim 4 is characterized in that, described encryption identification is the IEI among the self-defining short message message UDH.
7. method according to claim 6 is characterized in that, the value of described IEI is the retention in the 3GPP short-message protocol.
8. method according to claim 6 is characterized in that, described short message password carries by the IEID among the described self-defining short message message UDH.
9. method according to claim 6 is characterized in that, wherein also carries the length value of described short message password in the described encryption short message of step a, and described short message Password Length value is carried by the IEIDL among the self-defining short message message UDH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010118890 CN101815267A (en) | 2010-03-05 | 2010-03-05 | Method for encrypting short message of mobile communication terminal |
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| CN 201010118890 CN101815267A (en) | 2010-03-05 | 2010-03-05 | Method for encrypting short message of mobile communication terminal |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013178104A1 (en) * | 2012-09-14 | 2013-12-05 | 中兴通讯股份有限公司 | Method and device for changing contact person state through short message in mobile terminal |
| CN105338175A (en) * | 2015-09-29 | 2016-02-17 | 北京元心科技有限公司 | Method for performing distribution processing on short messages in terminal equipment and system thereof |
| CN105915531A (en) * | 2016-05-20 | 2016-08-31 | 青岛海信移动通信技术股份有限公司 | Screen unlocking method and terminal |
| WO2016141797A1 (en) * | 2015-03-12 | 2016-09-15 | 腾讯科技（深圳）有限公司 | Information processing method and apparatus, and computer-readable medium |
| CN106453052A (en) * | 2016-10-14 | 2017-02-22 | 北京小米移动软件有限公司 | Message interaction method and apparatus thereof |
| CN106658487A (en) * | 2016-09-26 | 2017-05-10 | 惠州Tcl移动通信有限公司 | Short message secret communication method and system based on chaos algorithm |
| CN106713583A (en) * | 2016-12-02 | 2017-05-24 | 惠州Tcl移动通信有限公司 | Mobile terminal contact information transmission processing method and system based on short message |
| CN109348474A (en) * | 2018-08-31 | 2019-02-15 | 维沃移动通信有限公司 | A kind of processing method and mobile terminal of message |
| CN111565382A (en) * | 2020-04-30 | 2020-08-21 | 维沃移动通信有限公司 | Transmission method and electronic device |
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| CN1543247A (en) * | 2003-11-06 | 2004-11-03 | 惠州Tcl移动通信有限公司 | A method for improving handset short message security and handset implementing the same method |
| CN1867094A (en) * | 2005-11-03 | 2006-11-22 | 华为技术有限公司 | Short message encryption protection realizing method and system |
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| WO2001035685A1 (en) * | 1999-11-09 | 2001-05-17 | Orange A/S | System for electronic delivery of a personal identification code |
| CN1543247A (en) * | 2003-11-06 | 2004-11-03 | 惠州Tcl移动通信有限公司 | A method for improving handset short message security and handset implementing the same method |
| CN1867094A (en) * | 2005-11-03 | 2006-11-22 | 华为技术有限公司 | Short message encryption protection realizing method and system |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013178104A1 (en) * | 2012-09-14 | 2013-12-05 | 中兴通讯股份有限公司 | Method and device for changing contact person state through short message in mobile terminal |
| WO2016141797A1 (en) * | 2015-03-12 | 2016-09-15 | 腾讯科技（深圳）有限公司 | Information processing method and apparatus, and computer-readable medium |
| US10691818B2 (en) | 2015-03-12 | 2020-06-23 | Tencent Technology (Shenzhen) Company Limited | Secure interface for displaying of information |
| CN105338175A (en) * | 2015-09-29 | 2016-02-17 | 北京元心科技有限公司 | Method for performing distribution processing on short messages in terminal equipment and system thereof |
| CN105915531B (en) * | 2016-05-20 | 2019-06-18 | 青岛海信移动通信技术股份有限公司 | A kind of unlocking screen method and terminal |
| CN105915531A (en) * | 2016-05-20 | 2016-08-31 | 青岛海信移动通信技术股份有限公司 | Screen unlocking method and terminal |
| CN106658487A (en) * | 2016-09-26 | 2017-05-10 | 惠州Tcl移动通信有限公司 | Short message secret communication method and system based on chaos algorithm |
| CN106453052B (en) * | 2016-10-14 | 2020-06-19 | 北京小米移动软件有限公司 | Message interaction method and device |
| CN106453052A (en) * | 2016-10-14 | 2017-02-22 | 北京小米移动软件有限公司 | Message interaction method and apparatus thereof |
| CN106713583A (en) * | 2016-12-02 | 2017-05-24 | 惠州Tcl移动通信有限公司 | Mobile terminal contact information transmission processing method and system based on short message |
| CN109348474A (en) * | 2018-08-31 | 2019-02-15 | 维沃移动通信有限公司 | A kind of processing method and mobile terminal of message |
| CN111565382A (en) * | 2020-04-30 | 2020-08-21 | 维沃移动通信有限公司 | Transmission method and electronic device |
| CN111565382B (en) * | 2020-04-30 | 2023-10-27 | 维沃移动通信有限公司 | Transmission method and electronic equipment |
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Application publication date: 20100825 |