CN106156638B - Message record processing method and device - Google Patents
Message record processing method and device Download PDFInfo
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- CN106156638B CN106156638B CN201510192356.4A CN201510192356A CN106156638B CN 106156638 B CN106156638 B CN 106156638B CN 201510192356 A CN201510192356 A CN 201510192356A CN 106156638 B CN106156638 B CN 106156638B
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/604—Tools and structures for managing or administering access control systems
Abstract
The invention discloses a message record processing method and device, and belongs to the technical field of computers. The method comprises the following steps: acquiring a message record generated by a user by using a communication application; detecting whether target content related to user privacy exists in the message record; and if at least one target content exists in the message record, replacing each target content by adopting a preset content. The invention solves the problem of lower message recording safety and realizes the beneficial effect of improving the message recording safety. The invention is used for processing the message record of the communication application.
Description
Technical Field
The present invention relates to the field of computer technologies, and in particular, to a method and an apparatus for processing a message record.
Background
A user may generate a message record when chatting on a user device (e.g., a mobile device) using a messaging application, which is important personal privacy for the user. To prevent the message record from being infringed or stolen, the message record needs to be protected.
In the related art, on one hand, a message record in a plaintext can be converted into a message record in a non-plaintext by encrypting the message record stored in the user equipment; alternatively, the message record may be sent to a remote device (e.g., a remote server) for storage, and when the message record needs to be retrieved, a network connection may be established with the remote device from which the message record is downloaded.
However, the encrypted message record is vulnerable to malware or trojan horse attack, the original message record can be recovered by cracking the password, and the message record stored on the remote device is vulnerable to the threat of network leakage or remote device leakage, so that the security of the message record is low.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a message record processing method and device. The technical scheme is as follows:
in one aspect, a method for processing a message record is provided, where the method includes:
acquiring a message record generated by a user by using a communication application;
detecting whether target content related to user privacy exists in the message record;
and if at least one target content exists in the message record, replacing each target content by adopting a preset content.
In another aspect, there is provided a message record processing apparatus, the apparatus including:
the acquisition module is used for acquiring a message record generated by a user by using a communication application;
the detection module is used for detecting whether target content related to user privacy exists in the message record;
and the replacement module is used for replacing each target content by adopting preset content when at least one target content exists in the message record.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
according to the message record processing method and device, when at least one target content related to the user privacy is detected in the message record, each target content is replaced by the preset content, the target content related to the user privacy is confused, people except the user cannot determine the target content before replacement even if the message record subjected to replacement processing is obtained, the message record does not need to be encrypted or stored remotely, the safety of the message record can be guaranteed, and meanwhile the situation that the message record is cracked during encryption or remote storage is avoided, so that the safety of the message record is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is an application scenario diagram of a message record processing method according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of a method for processing a message record according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a method for processing a message record according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a method for obtaining a message record selected by a user according to an embodiment of the present invention;
fig. 5 is a schematic view of another scenario for obtaining a message record selected by a user according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a method for obtaining a message record that needs to be replaced according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a scenario after message recording processing is performed on the application scenario shown in FIG. 1;
FIG. 8 is a flowchart illustrating a method for partially replacing target content according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of another scenario after message recording processing for the application scenario shown in FIG. 1;
FIG. 10 is a flow chart of another method for partially replacing target content according to an embodiment of the present invention;
FIG. 11 is a flowchart illustrating a method for partially replacing target content according to an embodiment of the present invention;
fig. 12 is a schematic structural diagram of a message record processing device according to an embodiment of the present invention;
fig. 13 is a schematic structural diagram of a replacement module according to an embodiment of the present invention;
fig. 14 is a schematic structural diagram of a replacement module according to an embodiment of the present invention;
FIG. 15 is a schematic structural diagram of another replacement module provided in accordance with an embodiment of the present invention;
fig. 16 is a schematic structural diagram of another acquisition module according to an embodiment of the present invention;
fig. 17 is a schematic structural diagram of an obtaining unit according to an embodiment of the present invention;
fig. 18 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is an application scenario diagram of a message record processing method according to an embodiment of the present invention. Referring to fig. 1, a user chatting a communication application (e.g., QQ) on a user device (fig. 1 is an example of a computer) may generate a message record, which may include various types of content such as characters, pictures, etc., and may include target content related to the privacy of the user, as shown in fig. 1, the detailed message record is:
"finance: teacher, year end prize 205600 yuan, which card you hit;
a teacher opens: china Bank bar;
finance: whether card number 1234563600034567890;
a teacher opens: where is taken.
Wherein, the ' 205600 ' in the ' annual terminal prize 205600 yuan ' relates to the amount of the user's annual terminal prize, ' the Chinese bank ' relates to the name of the bank to which the user's bank card belongs, and ' 1234563600034567890 ' relates to the user's bank card number, which are important individual privacy of the user, and the message record needs to be protected in order to prevent the message record from being infringed or stolen.
Fig. 2 is a flowchart illustrating a message record processing method according to an embodiment of the present invention. Referring to fig. 2, the message record processing method includes:
In summary, in this embodiment, when it is detected that at least one target content related to the user privacy exists in the message record, each target content is replaced by using the preset content, and the target content related to the user privacy is confused, even if a person other than the user obtains the message record subjected to the replacement processing, the target content before being replaced cannot be determined, the message record does not need to be encrypted or remotely stored, the security of the message record can be ensured, and meanwhile, the situation that the message record is cracked during encryption or remote storage is avoided, so that the security of the message record is improved.
Optionally, replacing each target content with a preset content includes: and replacing part of the content in each target content by adopting preset content.
Optionally, replacing a part of the content in each target content with preset content, including:
determining the length of the message record;
selecting the part to be replaced in each target content, and positively correlating the sum of the lengths of the parts to be replaced in all the target contents with the length of the message record;
and replacing the part needing replacing in each target content by adopting the preset content.
Optionally, replacing a part of the content in each target content with preset content, including:
determining the number of target contents;
selecting the parts to be replaced in each target content, and positively correlating the sum of the lengths of the parts to be replaced in all the target contents with the number of the target contents;
and replacing the part needing replacing in each target content by adopting the preset content.
Optionally, selecting a portion of each target content that needs to be replaced includes:
acquiring a plurality of preset replacement rules, wherein each replacement rule is used for indicating a part needing to be replaced in target content;
randomly selecting one permutation rule from a plurality of permutation rules;
and selecting the part to be replaced in each target content according to the selected replacement rule.
Optionally, replacing part of the content in each target content with preset content, including:
determining a type of each target content;
selecting a portion to be replaced in each target content based on the type of each target content;
and replacing the part needing replacing in each target content by adopting the preset content.
Optionally, the types of the target content include a text type and a number type;
the number types include: special numbers and non-special numbers, wherein the special numbers are numbers with preset rules, and the common numbers are numbers except the special numbers.
Optionally, obtaining a message record generated by a user using the communication application includes:
after the user uses the communication application, receiving a processing command for instructing to perform message record replacement, wherein the processing command comprises: the identifier of the storage position of the message record needing replacement processing;
and acquiring the message record needing replacement processing at the position indicated by the identification of the storage position.
Optionally, obtaining the message record that needs to be replaced at the location indicated by the identifier of the storage location includes:
determining the time difference between the current time and the storage time of the message record, wherein the storage time of the message record is the time when the message record is stored at the position indicated by the identifier of the storage position for the first time;
and if the time difference between the current time and the storage time of the message record is greater than a preset time threshold, obtaining the message record needing replacement processing at the position indicated by the identifier of the storage position.
Optionally, detecting whether the target content exists in the message record includes:
and detecting whether the target content exists in the message record through a named entity identification technology.
In summary, in this embodiment, when it is detected that at least one target content related to the user privacy exists in the message record, each target content is replaced by using the preset content, and the target content related to the user privacy is confused, even if a person other than the user obtains the message record subjected to the replacement processing, the target content before being replaced cannot be determined, the message record does not need to be encrypted or remotely stored, the security of the message record can be ensured, and meanwhile, the situation that the message record is cracked during encryption or remote storage is avoided, so that the security of the message record is improved.
Fig. 3 is a flowchart illustrating a message record processing method according to an embodiment of the present invention. The method can be applied to user equipment, which can be a mobile phone, a computer, a tablet computer, and the like, and referring to fig. 3, the message record processing method includes:
The communication application in the embodiment of the present invention is also called Instant Messaging (IM) software, and is a service software for Instant messaging based on the internet. Such as MSN, QQ, WeChat, strange, CECISEIM, UC, etc.
In the embodiment of the invention, whether the target content exists in the message record can be detected through a Named Entity Recognition (called as NER) technology (also called as a Named Entity Recognition technology). Named entity recognition technology is technology for recognizing entities having specific meanings in texts, and by using the technology, names of people, places, organizations, proper nouns and the like in texts can be recognized.
And step 303, replacing each target content by adopting preset content.
In the embodiment of the present invention, the preset content may be at least one of letters, numbers, symbols, characters, graphics, and pictures, for example, multiple asterisks "in color" or an ellipsis.
For example, the target content may be preset or may be set by the user in real time, and the target content may include at least one of a name of a person, a name of a place, a name of a institution, a proper noun, time, a specific character string, a quantifier, and an amount of money. The embodiment of the present invention assumes that the target content includes the organization name, the amount of money, and the specific character string. Then "205600" in "year end prize 205600 yuan" in fig. 1 belongs to the amount of money and is thus the target content, "chinese bank" belongs to the organization name and is thus the target content, "1234563600034567890" belongs to the specific character string and is thus the target content.
If the target content related to the user privacy does not exist in the message record, the message record does not relate to the user privacy, and therefore the message record can not be processed.
Further, in step 301, on one hand, the user equipment may automatically obtain all message records generated after the user uses the communication application; on the other hand, the user equipment may also obtain the message record selected by the user after the message record generated after the user uses the communication application.
Fig. 4 is a flowchart illustrating a method for obtaining a message record selected by a user according to an embodiment of the present invention, and referring to fig. 4, obtaining a message record generated by the user using a communication application includes:
For example, the user equipment may prompt the user through a preset user interface of the communication class application whether to perform the process of message record replacement, where the preset user interface may be any user interface of the communication class application, and when the user selects to perform the process of message record replacement, the user equipment triggers generation of a processing command and receives a processing command for instructing to perform message record replacement, where the processing command includes: and the identification of the storage position of the message record needing replacement processing can be a QQ number, a chat user name and the like. In particular, the process command may be generated before the message record is generated (e.g., the user chooses to perform the message record replacement when starting to use the communication-based application) or after the message record is generated (e.g., the user chooses to perform the message record replacement after using the communication-based application and generating the message record).
The user equipment may determine the location indicated by the identifier according to the identifier of the storage location, and then obtain the message record that needs to be subjected to the replacement processing at the location, for example, the identifier of the storage location of the message record that needs to be subjected to the replacement processing is a QQ number, and then the user equipment may determine the folder indicated by the QQ number according to the QQ number, and then obtain the message record that needs to be subjected to the replacement processing at the folder.
Fig. 5 is a schematic view of another scenario for acquiring a message record selected by a user according to an embodiment of the present invention, where a communication application used by the user is a QQ, referring to fig. 5, a user device may prompt, through a preset user interface of the QQ, whether the user performs a process of replacing a message record, where the preset user interface may be an interface where a user list is located or a user chat interface, fig. 5 takes a user chat interface as an example, where the user chat interface prompts, by setting a prompt icon 500, whether the user performs a process of replacing a message record, and when a user (a chat user name of the QQ is "finance"), clicks the prompt icon 500 to indicate that the user selects a process of replacing a message record, a processing command is triggered, where the processing command includes: the identification of the storage location of the message record that needs to be replaced may be, in an embodiment of the present invention, a QQ number or a chat user name of a person who is currently chatting with the user "finance" (the chat user name of the QQ is "mr"). It should be noted that the prompt icon 500 in practical application may be an icon in other types, and the embodiment of the present invention is only schematically illustrated.
Fig. 6 is a schematic diagram of a method for acquiring a message record that needs to be permuted according to an embodiment of the present invention, where the method for acquiring a message record that needs to be permuted at a location indicated by an identifier of a storage location includes:
The storage time of the message record is the time when the message record is stored in the corresponding storage location (i.e. the location indicated by the identifier of the storage location) for the first time. For example, in fig. 1, "teacher, year end prize 205600 yuan, which card you hit" this message record was generated at 10:25:04 on day 2/15 of 2015 and stored to the location indicated by the identifier of the storage location, then the message record is stored at 10:25:04 on day 2/15 of 2015.
For example, the preset time threshold may be preset by the system, or preset by the user, and may be 1 day, 1 hour, and so on.
Step 3012c, obtain the message record that needs to be replaced at the location indicated by the identifier of the storage location.
Optionally, in step 303, the user equipment may replace the target content in a variety of ways. In one aspect, the user device may replace all of the content in each target content with the preset content. In the embodiment of the present invention, it is assumed that "205600", "chinese bank" and "1234563600034567890" in fig. 1 are target contents, and preset contents are 3 asterisks in the corresponding color, as shown in fig. 7, fig. 7 is a scene schematic diagram after the application scene shown in fig. 1 is subjected to message recording processing, and "205600", "chinese bank" and "1234563600034567890" are all replaced by the corresponding color.
On the other hand, the user equipment may replace a part of the content in each target content with the preset content. Because the target content is partially replaced, the confusion probability of the target content is increased, and even if people except the user obtain the message record, the target content before replacement cannot be effectively determined; and partial replacement also reduces the processing strength of the user equipment on the message record and reduces the system load.
Fig. 8 is a flowchart illustrating a method for partially replacing target content according to an embodiment of the present invention. Referring to fig. 8, the process of replacing a part of content in each target content with preset content includes:
In the embodiment of the present invention, the length of the message record may have a plurality of measurement methods, for example, the length of the message record may be determined according to the number of characters in the message record, for example, the length of the message record is 100 characters; or determining the length of the message record according to the size of the occupied storage space of the message record, for example, the length of the message record is 100 bits or bytes, which is not limited in this embodiment of the present invention. It should be noted that the characters in the embodiments of the present invention refer to letters, numbers, words, symbols, and the like used in a computer, and include: 1. 2, 3, A, B, C, and! # … … - (-) -etc. In ASCII encoding, 1 byte is required for one english alphabet character to be stored. In GB 2312 coding or GBK coding, 2 bytes are required for one kanji character storage. In UTF-8 encoding, 1 byte is required for one english alphabet character storage and 3 to 4 bytes are required for one kanji character storage. In UTF-16 encoding, 2 bytes are required for either an english alphabet character or a kanji character storage (some kanji storage for Unicode extension requires 4 bytes). In UTF-32 encoding, the storage of any character in the world requires 4 bytes.
In the embodiment of the invention, the sum of the lengths of the parts needing to be replaced in the target content is positively correlated with the length of the message record, namely the longer the length of the message record is, the larger the sum of the lengths of the parts needing to be replaced in the target content is, so that the length of the parts needing to be replaced in the target content can be flexibly changed, and the safety of the message record is improved.
Generally, a preset value can be set, where the preset value is usually less than 0.5, so that the ratio of the sum of the lengths of the portions to be replaced in the target content to the length of the message record is equal to the preset value, for example, the length of the message record is 100 characters, the total length of the target content is 30 characters, and the preset value is 0.2, the length of the portion to be replaced in the target content is 20 characters; however, when the sum of the lengths of the portions to be replaced in the target content calculated from the preset value is not an integer, an integer value can be obtained by a method of rounding down, and the integer value is taken as the sum of the lengths of the portions to be replaced in the target content, for example, the length of the message record is 102 characters, the total length of the target content is 30 characters, the preset value is 0.2, the sum of the lengths of the portions to be replaced in the calculated target content is 20.4 characters, and the sum of the lengths of the portions to be replaced in the actual target content is not an integer, rounding down is performed, and the sum of the lengths of the portions to be replaced in the actual target content is 20 characters.
There are various methods for selecting the portions of each target content that need to be replaced, for example, a replacement rule may be preset, and the portions of each target content that need to be replaced are selected according to the preset replacement rule. A plurality of replacement rules can also be preset, and when the target content needs to be replaced, the preset plurality of replacement rules are obtained, wherein each replacement rule is used for indicating a part needing to be replaced in the target content; randomly selecting one permutation rule from a plurality of permutation rules; and selecting the part to be replaced in each target content according to the selected replacement rule. For example, the plurality of permutation rules may include: x, when the target content comprises two characters, at least one of the first character and the tail character of the target content is used as a part to be replaced; when the target content comprises at least three characters, at least one of the first character, the tail character and the middle character of the target content is used as a part to be replaced, and the middle character comprises at least one character; and z, when the target content is composed of characters and letters, all the characters in the target content are used as parts to be replaced. Alternatively, if the currently selected replacement rule cannot be applied to the target content (e.g., a string of numbers for the target content, and the randomly selected replacement rule is the rule z), a new replacement rule may be randomly selected again from the plurality of replacement rules as the replacement rule for processing each target content, or a new replacement rule may be selected only for the target content to which the currently selected replacement rule cannot be applied as the replacement rule for the target content.
It should be noted that, when one replacement rule is selected from a plurality of replacement rules, a random selection method is adopted, which can reduce the processing flow of the user equipment to the target content, and increase the confusion probability to the target content, and different replacement rules may be adopted for different message records, so that even if a person other than the user acquires the message record, the replacement rule cannot be effectively summarized, the target content before replacement is determined, and the security of the message record is ensured.
Optionally, for each target content, the user equipment may also randomly select one permutation rule among the plurality of permutation rules, so that each target content corresponds to one permutation rule, and then determine the portion of the target content that needs to be permuted according to the permutation rule corresponding to each target content. For example, in fig. 1, "205600", "chinese bank", and "1234563600034567890" all have 3 target contents, and 3 replacement rules are randomly selected for the 3 target contents, respectively.
For example, in the embodiment of the present invention, it is assumed that "205600", "chinese bank" and "1234563600034567890" in fig. 1 are target contents, the preset content is 3 asterisks in the color ", and the selected replacement rule is rule y, a method of setting a preset value in step 3032a is adopted, and if the preset value is 0.2, and if the length of the content except the chat user name (which may also include the chat user name and the record generation time in actual application) in the message record in fig. 1 is the actual length of the message record, the actual message record is: "annual final prize 205600 yuan, to which card you are awarded; china Bank bar; whether card number 1234563600034567890; and where "altogether 52 characters, if the ratio of the sum of the lengths of the portions to be replaced in the target content to the length of the message record is made equal to the preset value and the total length of the corresponding target content" 205600 "," chinese bank "and" 1234563600034567890 "is 29, the sum of the lengths of the portions to be replaced in the target content is 52 × 0.2 to 10.4, 10 is rounded down, and finally the sum of the lengths of the portions to be replaced in the target content is 10. As shown in fig. 9, fig. 9 is another schematic view of the application scenario shown in fig. 1 after message recording processing, and according to the rule y, 10 characters in all of "0560" of "205600", "country" of "chinese bank" and "03456" of "1234563600034567890" may be replaced by "2 in the respective color, and" in the respective color, the bank "and" 1234563600 in the respective color, and the respective color, the.
Fig. 10 is a flowchart illustrating another method for partially replacing target content according to an embodiment of the present invention. Referring to fig. 10, the process of replacing a part of content in each target content with preset content includes:
and step 3031b, determining the number of the target contents.
In the embodiment of the invention, the sum of the lengths of the parts needing to be replaced in the target content is positively correlated with the number of the target content, namely, the larger the number of the target content is, the larger the sum of the lengths of the parts needing to be replaced in the target content is, so that the length of the parts needing to be replaced in the target content can be flexibly changed, and the safety of message recording is improved.
Generally, a preset value can be set, where the preset value is generally greater than 0.5, so that the ratio of the sum of the lengths of the portions to be replaced in the target content to the number of the target content is equal to the preset value, for example, the number of the target content is 10, the total length of the target content is 30 characters, and the preset value is 0.8, the length of the portion to be replaced in the target content is 8 characters; however, when the sum of the lengths of the portions to be replaced in the target content calculated from the preset value is not an integer, an integer value may be obtained by a method of rounding down, and the integer value is used as the sum of the lengths of the portions to be replaced in the target content, for example, the number of the target content is 11, the total length of the target content is 30 characters, the preset value is 0.8, the sum of the lengths of the portions to be replaced in the calculated target content is 8.8 characters, and the sum of the lengths of the portions to be replaced in the actual target content is not an integer, rounding down is performed, and the sum of the lengths of the portions to be replaced in the actual target content is 8 characters.
The method for selecting the portion to be replaced in each target content may refer to step 3032a, which is not described in detail in this embodiment of the present invention.
The step 3033a may be referred to a process of replacing a portion of each target content that needs to be replaced with the preset content, which is not described in detail in this embodiment of the present invention.
Fig. 11 is a flowchart illustrating a method for partially replacing target content according to an embodiment of the present invention. Referring to fig. 11, a process of replacing a part of content in each target content with preset content includes:
With present text detection techniques, the type of target content may be determined based on whether rules exist for the target content, whether the existing rules match rules in a database, and so on. For example, the types of the target content include a text type and a number type, the text type may include a person name, a place name, an organization name, a proper noun, and the like, and the number type includes: the special numbers are numbers with preset rules, such as bank card numbers, mobile phone numbers and the like, and the common numbers are numbers except the special numbers, such as numbers indicating the quantity or the amount of money and the like. Further, the type of the target content may further include a picture type, an alphabet type, and the like, which is not limited in this embodiment of the present invention.
For example, assuming that the type of target content is a special number, such as a mobile phone number, "13900001234", since the mobile phone number is usually 11 digits and the first three digits are mobile phone number segments, such as mobile number segment: 134. 135, 136, 139, etc., the number segments of the links are 130, 131, 132, etc., and it can be known that the first 3 bits have a certain rule according to the setting rule of the mobile phone number, therefore, the part to be replaced in the selected target content should be the number except for the first 3 bits, so that the replaced part is irregular, and even if the person except the user obtains the target content after the replacement process, the target content before the replacement cannot be determined, thereby ensuring the security of the message record.
The step 3033a may be referred to a process of replacing a portion of each target content that needs to be replaced with the preset content, which is not described in detail in this embodiment of the present invention.
Specifically, after the target content is acquired at the storage location of the target content in step 301, the processing in steps 302 to 304 may be directly performed, or the acquired target content may be stored in another storage location, and after steps 302 to 304 are executed, the content at the original storage location is overwritten by the target content at the other storage location that has been processed, which is not limited in the embodiment of the present invention. If it is determined in step 302 that the target content related to the user privacy exists in the message record, after the processing in step 303, the processed message record is different from the original message record, and the original message record cannot be restored, the user can remember the target content by himself/herself, and even if a person other than the user obtains the message record which has been subjected to the replacement processing, the original message record cannot be seen personally at the time of generation of the message record, and the desired content cannot be restored, so that the message record which has been subjected to the replacement processing does not need to be encrypted, does not need to be stored remotely, and the security thereof is ensured.
It should be noted that, the order of the steps of the message record processing method provided in the embodiment of the present invention may be appropriately adjusted, and the steps may also be increased or decreased according to the situation, and any method that can be easily changed within the technical scope disclosed by the present invention by a person skilled in the art should be included in the protection scope of the present invention, and therefore, the details are not described again.
In summary, in this embodiment, when it is detected that at least one target content related to the user privacy exists in the message record, each target content is replaced by using the preset content, and the target content related to the user privacy is confused, even if a person other than the user obtains the message record subjected to the replacement processing, the target content before being replaced cannot be determined, the message record does not need to be encrypted or remotely stored, the security of the message record can be ensured, and meanwhile, the situation that the message record is cracked during encryption or remote storage is avoided, so that the security of the message record is improved.
Fig. 12 is a schematic structural diagram of a message recording processing device 40 according to an embodiment of the present invention. Referring to fig. 12, the apparatus includes:
an obtaining module 401, configured to obtain a message record generated by a user using a communication application;
a detecting module 402, configured to detect whether target content related to user privacy exists in the message record;
a replacing module 403, configured to replace each target content with a preset content when at least one target content exists in the message record.
In summary, in this embodiment, when the detection module detects that at least one target content related to the user privacy exists in the message record, the replacement module replaces each target content with the preset content, and confuses the target content related to the user privacy, even if a person other than the user obtains the message record subjected to the replacement processing, the target content before being replaced cannot be determined, the message record does not need to be encrypted or remotely stored, the security of the message record can be ensured, and meanwhile, the situation that the message record is cracked during encryption or remote storage is avoided, so that the security of the message record is improved.
The replacing module 403 is configured to replace, with preset content, a part of content in each target content.
Fig. 13 is a schematic structural diagram of a replacement module 403 according to an embodiment of the present invention. Referring to fig. 13, the permutation module 403 includes:
a first determining unit 4031 for determining the length of the message record;
a first selecting unit 4032, configured to select a portion to be replaced in each target content, so that a sum of lengths of the portions to be replaced in all the target contents positively correlates with a length of the message record;
a first replacing unit 4033, configured to replace, with the preset content, the portion of each target content that needs to be replaced.
Fig. 14 is a schematic structural diagram of another replacement module 403 according to an embodiment of the present invention. Referring to fig. 14, the permutation module 403 includes:
a second determining unit 4034, configured to determine the number of target content;
a second selecting unit 4035, configured to select a portion to be replaced in each target content, so that the sum of the lengths of the portions to be replaced in all the target contents positively correlates with the number of the target contents;
a second replacing unit 4036, configured to replace, with the preset content, the portion of each target content that needs to be replaced.
Optionally, the selecting unit, that is, the first selecting unit 4032 or the second selecting unit 4035, is configured to:
acquiring a plurality of preset replacement rules, wherein each replacement rule is used for indicating a part needing to be replaced in target content;
randomly selecting one permutation rule from a plurality of permutation rules;
and selecting the part to be replaced in each target content according to the selected replacement rule.
Fig. 15 is a schematic structural diagram of another replacement module 403 according to an embodiment of the present invention. Referring to fig. 15, the permutation module 403 includes:
a third determination unit 4037 for determining the type of each target content;
a third selecting unit 4038 for selecting a portion of each target content to be replaced, based on the type of each target content;
a third replacing unit 4039, configured to replace, with the preset content, the part of each target content that needs to be replaced.
Optionally, the types of the target content include a text type and a number type; the number types include: special numbers and non-special numbers, wherein the special numbers are numbers with preset rules, and the common numbers are numbers except the special numbers.
Fig. 16 is a schematic structural diagram of an obtaining module 402 according to an embodiment of the present invention. Referring to fig. 16, the obtaining module 402 includes:
a receiving unit 4021, configured to receive a processing command for instructing to perform message record replacement after a user uses a communication class application, where the processing command includes: the identifier of the storage position of the message record needing replacement processing;
an obtaining unit 4022, configured to obtain a message record that needs to be replaced at a location indicated by the identifier of the storage location.
Fig. 17 is a schematic structural diagram of an obtaining unit 4022 according to an embodiment of the present invention. Referring to fig. 17, an acquisition unit 4022 includes:
a determining subunit 4022a, configured to determine a time difference between a current time and a storage time of the message record, where the storage time of the message record is a time when the message record is stored in a location indicated by the identifier of the storage location for the first time;
the obtaining subunit 4022b is configured to obtain, when a time difference between the current time and the storage time of the message record is greater than a preset time threshold, the message record that needs to be replaced at the location indicated by the identifier of the storage location.
Optionally, the detecting module 402 is configured to detect whether the target content exists in the message record through a named entity recognition technology.
In summary, in this embodiment, when the detection module detects that at least one target content related to the user privacy exists in the message record, the replacement module replaces each target content with the preset content, and confuses the target content related to the user privacy, even if a person other than the user obtains the message record subjected to the replacement processing, the target content before being replaced cannot be determined, the message record does not need to be encrypted or remotely stored, the security of the message record can be ensured, and meanwhile, the situation that the message record is cracked during encryption or remote storage is avoided, so that the security of the message record is improved.
Fig. 18 is a schematic structural diagram of a terminal 500 according to an embodiment of the present invention. The terminal 500 may be the user equipment in the above-described embodiment. Referring to fig. 18, the terminal 500 may include components such as a communication unit 510, a memory 520 including one or more computer-readable storage media, an input unit 530, a display unit 540, a sensor 550, an audio circuit 560, a WIFI (Wireless Fidelity) module 570, a processor 580 including one or more processing cores, and a power supply 590. Those skilled in the art will appreciate that the terminal structure shown in fig. 18 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components. Wherein:
the communication unit 510 may be used for receiving and transmitting information or signals during a call, and the communication unit 510 may be an RF (Radio Frequency) circuit, a router, a modem, or other network communication devices. In particular, when the communication unit 510 is an RF circuit, downlink information of a base station is received and then processed by the one or more processors 580; in addition, data relating to uplink is transmitted to the base station. Generally, the RF circuit as a communication unit includes, but is not limited to, an antenna, at least one Amplifier, a tuner, one or more oscillators, a Subscriber Identity Module (SIM) card, a transceiver, a coupler, an LNA (Low Noise Amplifier), a duplexer, and the like. In addition, the communication unit 510 may also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), GPRS (General Packet Radio Service), CDMA (Code Division Multiple Access), WCDMA (Wideband Code Division Multiple Access), LTE (Long Term Evolution), email, SMS (Short Messaging Service), etc. The memory 520 may be used to store software programs and modules, and the processor 580 executes various functional applications and data processing by operating the software programs and modules stored in the memory 520. The memory 520 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the terminal 500, and the like. Further, the memory 520 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, the memory 520 may also include a memory controller to provide the processor 580 and the input unit 530 access to the memory 520.
The input unit 530 may be used to receive input numeric or character information and generate a keyboard, mouse, joystick, optical or trackball signal input related to user setting and function control. Preferably, the input unit 530 may include a touch-sensitive surface 531 and other input devices 532. The touch sensitive surface 531, also referred to as a touch display screen or a touch pad, may collect touch operations by a user on or near the touch sensitive surface 531 (e.g. operations by a user on or near the touch sensitive surface 531 using a finger, a stylus, or any other suitable object or attachment) and drive the corresponding connection device according to a predetermined program. Alternatively, the touch sensitive surface 531 may comprise two parts, a touch detection means and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, and sends the touch point coordinates to the processor 580, and can receive and execute commands sent by the processor 580. In addition, the touch sensitive surface 531 may be implemented using various types of resistive, capacitive, infrared, and surface acoustic waves. The input unit 530 may comprise other input devices 532 in addition to the touch sensitive surface 531. Preferably, other input devices 532 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The display unit 540 may be used to display information input by or provided to the user and various graphical user interfaces of the terminal 500, which may be made up of graphics, text, icons, video, and any combination thereof. The Display unit 540 may include a Display panel 541, and optionally, the Display panel 541 may be configured in the form of an LCD (Liquid Crystal Display), an OLED (Organic Light-Emitting Diode), or the like. Further, the touch-sensitive surface 531 can overlie the display panel 541 such that, when a touch event is detected at or near the touch-sensitive surface 531, it is passed to the processor 580 for determining the type of touch event, whereupon the processor 580 provides a corresponding visual output on the display panel 541 in dependence upon the type of touch event. Although in FIG. 18 the touch sensitive surface 531 and the display panel 541 are implemented as two separate components to implement input and output functions, in some embodiments the touch sensitive surface 531 and the display panel 541 can be integrated to implement input and output functions.
The terminal 500 can also include at least one sensor 550, such as a light sensor, motion sensor, and other sensors. The light sensor may include an ambient light sensor that adjusts the brightness of the display panel 541 according to the brightness of ambient light, and a proximity sensor that turns off the display panel 541 and/or a backlight when the terminal 500 moves to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when the mobile phone is stationary, and can be used for applications of recognizing the posture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured in the terminal 500, detailed descriptions thereof are omitted.
In order to implement wireless communication, a wireless communication unit 570 may be configured on the terminal, and the wireless communication unit 570 may be a WIFI module. WIFI belongs to a short-distance wireless transmission technology, and the terminal 500 may help a user to send and receive e-mails, browse webpages, access streaming media, and the like through the wireless communication unit 570, and provide the user with wireless broadband internet access. Although the wireless communication unit 570 is shown in the drawing, it is understood that it does not belong to the essential constitution of the terminal 500 and may be omitted as needed within a scope not changing the essence of the invention.
The processor 580 is a control center of the terminal 500, connects various parts of the entire handset using various interfaces and lines, and performs various functions of the terminal 500 and processes data by operating or executing software programs and/or modules stored in the memory 520 and calling data stored in the memory 520, thereby performing overall monitoring of the handset. Alternatively, processor 580 may include one or more processing cores; preferably, the processor 580 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 580.
The terminal 500 further includes a power supply 590 (e.g., a battery) for powering the various components, which may preferably be logically coupled to the processor 580 via a power management system that may enable managing charging, discharging, and power consumption via the power management system. The power supply 560 may also include one or more dc or ac power sources, recharging systems, power failure detection circuitry, power converters or inverters, power status indicators, or any other component.
Although not shown, the terminal 500 may further include a camera, a bluetooth module, etc., which will not be described herein.
In this embodiment, the terminal further includes one or more programs, the one or more programs are stored in the memory and configured to be executed by one or more processors, and the one or more programs include instructions for performing the following message record processing method provided in this embodiment of the present invention.
Acquiring a message record generated by a user by using a communication application;
detecting whether target content related to user privacy exists in the message record;
and if at least one target content exists in the message record, replacing each target content by adopting a preset content.
Optionally, replacing each target content with a preset content includes:
and replacing part of the content in each target content by adopting preset content.
Optionally, replacing a part of the content in each target content with preset content, including:
determining the length of the message record;
selecting the part to be replaced in each target content, and positively correlating the sum of the lengths of the parts to be replaced in all the target contents with the length of the message record;
and replacing the part needing replacing in each target content by adopting the preset content.
Optionally, replacing a part of the content in each target content with preset content, including:
determining the number of target contents;
selecting the parts to be replaced in each target content, and positively correlating the sum of the lengths of the parts to be replaced in all the target contents with the number of the target contents;
and replacing the part needing replacing in each target content by adopting the preset content.
Optionally, selecting a portion of each target content that needs to be replaced includes:
acquiring a plurality of preset replacement rules, wherein each replacement rule is used for indicating a part needing to be replaced in target content;
randomly selecting one permutation rule from a plurality of permutation rules;
and selecting the part to be replaced in each target content according to the selected replacement rule.
Optionally, replacing part of the content in each target content with preset content, including:
determining a type of each target content;
selecting a portion to be replaced in each target content based on the type of each target content;
and replacing the part needing replacing in each target content by adopting the preset content.
Optionally, the types of the target content include a text type and a number type;
the number types include: special numbers and non-special numbers, wherein the special numbers are numbers with preset rules, and the common numbers are numbers except the special numbers.
Optionally, obtaining a message record generated by a user using the communication application includes:
after the user uses the communication application, receiving a processing command for instructing to perform message record replacement, wherein the processing command comprises: the identifier of the storage position of the message record needing replacement processing;
and acquiring the message record needing replacement processing at the position indicated by the identification of the storage position.
Optionally, obtaining the message record that needs to be replaced at the location indicated by the identifier of the storage location includes:
determining the time difference between the current time and the storage time of the message record, wherein the storage time of the message record is the time when the message record is stored at the position indicated by the identifier of the storage position for the first time;
and if the time difference between the current time and the storage time of the message record is greater than a preset time threshold, obtaining the message record needing replacement processing at the position indicated by the identifier of the storage position.
Optionally, detecting whether the target content exists in the message record includes:
and detecting whether the target content exists in the message record through a named entity identification technology.
In summary, in this embodiment, when it is detected that at least one target content related to the user privacy exists in the message record, each target content is replaced by using the preset content, and the target content related to the user privacy is confused, even if a person other than the user obtains the message record subjected to the replacement processing, the target content before being replaced cannot be determined, the message record does not need to be encrypted or remotely stored, the security of the message record can be ensured, and meanwhile, the situation that the message record is cracked during encryption or remote storage is avoided, so that the security of the message record is improved.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (16)
1. A method for processing message records, the method comprising:
acquiring a message record generated by a user by using a communication application;
determining target content related to user privacy in the message record;
if at least one target content exists in the message records, replacing part of content in each target content by adopting preset content, wherein the message records subjected to replacement processing cannot be recovered to the message records generated by the communication application; the preset content is at least one of letters, numbers, symbols, characters, figures and pictures, and the method for replacing part of the content in each target content is various; part of the target content is determined according to the length of the message record or the number of the target content;
the acquiring of the message record generated by the user using the communication application includes: after the user uses the communication application, receiving a processing command for instructing to perform message record replacement through a preset user interface, wherein the processing command comprises: the identifier of the storage position of the message record needing replacement processing; acquiring the message record needing replacement processing at the position indicated by the identifier of the storage position;
the determination of the target content in the message record related to the user privacy is achieved through a named entity recognition technology.
2. The method according to claim 1, wherein the replacing the part of the content in each target content with the preset content comprises:
determining a length of the message record;
selecting the parts to be replaced in each target content, and positively correlating the sum of the lengths of the parts to be replaced in all the target contents with the length of the message record;
and replacing the part needing to be replaced in each target content by adopting the preset content.
3. The method according to claim 1, wherein the replacing the part of the content in each target content with the preset content comprises:
determining the number of the target contents;
selecting the parts to be replaced in each target content, and enabling the sum of the lengths of the parts to be replaced in all the target contents to be positively correlated with the number of the target contents;
and replacing the part needing to be replaced in each target content by adopting the preset content.
4. The method according to claim 2 or 3, wherein the selecting the portion of each of the target contents to be replaced comprises:
acquiring a plurality of preset replacement rules, wherein each replacement rule is used for indicating a part needing to be replaced in target content;
randomly selecting one of the plurality of permutation rules;
and selecting the part to be replaced in each target content according to the selected replacement rule.
5. The method according to claim 1, wherein the replacing the part of the content in each target content with the preset content comprises:
determining a type of each of the target contents;
selecting a portion of each of the target contents to be replaced based on a type of each of the target contents;
and replacing the part needing replacing in each target content by using the preset content.
6. The method of claim 5, wherein the types of the target content include a text type and a numeric type;
the digital types include: the special numbers are numbers with preset rules, and the non-special numbers are numbers except the special numbers.
7. The method according to claim 1, wherein the obtaining the message record requiring replacement processing at the location indicated by the identifier of the storage location comprises:
determining the time difference between the current time and the storage time of the message record, wherein the storage time of the message record is the time when the message record is stored at the position indicated by the identifier of the storage position for the first time;
and if the time difference between the current time and the storage time of the message record is greater than a preset time threshold, acquiring the message record needing replacement processing at the position indicated by the identifier of the storage position.
8. A device for processing message records, the device comprising:
the acquisition module is used for acquiring a message record generated by a user by using a communication application;
the detection module is used for determining target content related to user privacy in the message record; the determination of the target content related to the user privacy in the message record is realized by a named entity identification technology;
a replacement module, configured to replace, when at least one target content exists in the message record, a part of content in each target content with a preset content, where the message record after the replacement processing cannot be recovered as the message record generated by the communication application; the preset content is at least one of letters, numbers, symbols, characters, figures and pictures, and the method for replacing part of the content in each target content is various; part of the target content is determined according to the length of the message record or the number of the target content;
the acquisition module includes: a receiving unit, configured to receive a processing command for instructing to perform message record replacement after a user uses the communication class application, where the processing command includes: the identifier of the storage position of the message record needing replacement processing; and the acquisition unit is used for acquiring the message record needing replacement processing at the position indicated by the identifier of the storage position.
9. The apparatus of claim 8, wherein the permutation module comprises:
a first determining unit, configured to determine a length of the message record;
a first selecting unit, configured to select a portion to be replaced in each target content, so that a sum of lengths of the portions to be replaced in all the target contents positively correlates with the length of the message record;
and the first replacement unit is used for replacing the part needing to be replaced in each target content by adopting the preset content.
10. The apparatus of claim 8, wherein the permutation module comprises:
a second determining unit, configured to determine the number of the target content;
a second selecting unit, configured to select a portion to be replaced in each of the target contents, so that a sum of lengths of the portions to be replaced in all the target contents is positively correlated with the number of the target contents;
and the second replacement unit is used for replacing the part needing to be replaced in each target content by adopting the preset content.
11. The apparatus according to claim 9, wherein the first selecting unit is configured to:
acquiring a plurality of preset replacement rules, wherein each replacement rule is used for indicating a part needing to be replaced in target content;
randomly selecting one of the plurality of permutation rules;
and selecting the part to be replaced in each target content according to the selected replacement rule.
12. The apparatus according to claim 10, wherein the second selecting unit is configured to:
acquiring a plurality of preset replacement rules, wherein each replacement rule is used for indicating a part needing to be replaced in target content;
randomly selecting one of the plurality of permutation rules;
and selecting the part to be replaced in each target content according to the selected replacement rule.
13. The apparatus of claim 8, wherein the permutation module comprises:
a third determining unit configured to determine a type of each of the target contents;
a third selecting unit configured to select a portion of each of the target contents to be replaced, based on a type of each of the target contents;
and a third replacement unit, configured to replace, with the preset content, the part of each target content that needs to be replaced.
14. The apparatus of claim 13, wherein the types of the target content include a text type and a number type;
the digital types include: the special numbers are numbers with preset rules, and the non-special numbers are numbers except the special numbers.
15. The apparatus of claim 8, wherein the obtaining unit comprises:
a determining subunit, configured to determine a time difference between a current time and a storage time of the message record, where the storage time of the message record is a time at which the message record is stored in a position indicated by the identifier of the storage location for the first time;
and the obtaining subunit is configured to obtain, at a position indicated by the identifier of the storage location, the message record that needs to be replaced when a time difference between the current time and the storage time of the message record is greater than a preset time threshold.
16. A computer-readable storage medium having stored therein at least one instruction, which is loaded and executed by a processor to perform operations performed by the method of processing a message record according to any one of claims 1 to 7.
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