CN118013553A - Method for encrypting text editing appointed content - Google Patents
Method for encrypting text editing appointed content Download PDFInfo
- Publication number
- CN118013553A CN118013553A CN202410224938.5A CN202410224938A CN118013553A CN 118013553 A CN118013553 A CN 118013553A CN 202410224938 A CN202410224938 A CN 202410224938A CN 118013553 A CN118013553 A CN 118013553A
- Authority
- CN
- China
- Prior art keywords
- information
- encryption
- text
- ciphertext
- key
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000004364 calculation method Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- 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
- G06F21/602—Providing cryptographic facilities or services
-
- G—PHYSICS
- 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
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Bioethics (AREA)
- General Health & Medical Sciences (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Human Computer Interaction (AREA)
- Storage Device Security (AREA)
- Document Processing Apparatus (AREA)
Abstract
The invention discloses a method for encrypting text editing appointed content, which comprises a key generator, a cache processor and an encryption and decryption algorithm, wherein the key generator is used for generating a corresponding key according to password information, the cache processor is used for caching plaintext data and ciphertext data, and the encryption and decryption algorithm is used for executing encryption and decryption on the data, and the method has the beneficial effects that: the method can solve the encryption requirement of authors on part of information, does not influence the display effect of the existing editing interface, protects part of important information, and simultaneously does not influence the normal readability of text information. Has substantial protection value for important papers, experimental data and sensitive information.
Description
Technical Field
The invention relates to the technical field of text editing, in particular to a method for encrypting text editing appointed content.
Background
In the computer era informatization process, various text editing tools are not available for editing, reading and sharing information; office OA, computer programming, and text editing specific to each industry are all independent of the corresponding text editing tools. The text information contains data information which is not lack of relevant important data information, such as experimental data, enterprise important business data, personal privacy data, paper core information, formula data, development core code and the like, and the important information is used as a part of a text information file. When the text files are stored, circulated, disclosed, shared and cooperatively edited, the important content is difficult to protect from being acquired (or read), and the safety protection processing cannot be performed in a targeted manner only through some basic processing (such as deletion, star beating, screenshot shielding and the like).
Disclosure of Invention
The invention aims to provide a method for encrypting text editing appointed content, which aims to solve the problem that in the background technology, an author of text editing can encrypt and protect the appointed editing content and other people cannot read important information original information at the same time in the text editing process.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the method for encrypting the text editing appointed content comprises a key generator, a caching processor and an encryption and decryption algorithm, wherein the key generator is used for generating a corresponding key according to password information, the caching processor is used for caching plaintext data and ciphertext data, and the encryption and decryption algorithm is used for encrypting and decrypting the data and specifically comprises the following steps of:
s1, data encryption:
s1.1, in the process of editing text information, important content information can be appointed, and the encryption function of the appointed information is selected;
S1.2, the system pops up an input password window, an author inputs password information for encrypting the text, and a key generator generates a corresponding encryption key;
s1.3, the encryption algorithm encrypts the selected text according to the encryption key, displays ciphertext information in the same-position area, and sets the area as non-modifiable;
S2, decrypting data:
S2.1, selecting a ciphertext display area and selecting a decryption function of the specified information;
S2.2, the system pops up an input password window, the author inputs password information for encrypting the text, and a key generator generates a corresponding decryption key;
S2.3, the decryption algorithm decrypts the selected text ciphertext according to the decryption key, displays plaintext information in the same position area, and sets the area as modifiable;
S2.4, restoring the text to the original normal editing state.
As a preferred embodiment of the present invention: the key generator specifically comprises the following steps in operation:
S3.1, inputting password information set by an author;
s3.2, performing abstract calculation on the input password information;
S3.3, taking the first 16 bytes of the abstract information as a secret key (the length of the secret key is calculated according to the algorithm requirement);
s3.4, if the key length is insufficient, the subsequent value can be converted through password inversion and the like.
As a preferred embodiment of the present invention: the processing process of the buffer processor for the plaintext specifically comprises the following steps:
s4.1, performing summary calculation on the selected encrypted text information content;
s4.2, taking the first 8 bytes of the abstract result as a check code of a plaintext;
S4.3, storing the text and storing the check code together.
As a preferred embodiment of the present invention: the processing process of the ciphertext by the cache processor specifically comprises the following steps:
S5.1, performing summary calculation on the encrypted ciphertext information content;
S5.2, taking the first 8 bytes of the abstract result as a check code of the ciphertext;
S5.3, storing the text, and storing the check code together.
As a preferred embodiment of the present invention: the encryption and decryption algorithm performs the specific steps as follows:
S6.1, obtaining key information;
S6.2, encrypting the data cached in the plaintext (a customizable algorithm), and calculating the abstract of the ciphertext information;
s6.3, outputting ciphertext information and returning the ciphertext information to ciphertext caching.
As a preferred embodiment of the present invention: the specific steps of the decryption operation performed by the encryption and decryption algorithm are as follows:
S7.1, obtaining key information;
S7.2, checking the integrity of the ciphertext cache data, and decrypting the ciphertext cache data;
s7.3, outputting the plaintext information, checking the integrity of the plaintext information, and returning to the plaintext caching process.
As a preferred embodiment of the present invention: the password information is any visible character on the keyboard, the length is not limited, and the value length of the secret key is according to a specified algorithm and the basic length of the secret key.
As a preferred embodiment of the present invention: the encryption and decryption algorithm of the encryption and decryption algorithm is preferably a symmetric encryption algorithm in SM4 and AES, and the algorithm can be customized.
Compared with the prior art, the invention has the beneficial effects that:
The invention can solve the encryption requirement of authors on part of important information, does not influence the display effect of the existing editing interface, protects part of important information and simultaneously does not influence the normal readability of text information. Has substantial protection value for important papers, experimental data and sensitive information.
Drawings
FIG. 1 is a workflow diagram of the present invention;
FIG. 2 is a workflow diagram of an encryption process of the present invention;
fig. 3 is a workflow diagram of the decryption process of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a technical solution:
the method for encrypting the text editing appointed content comprises a key generator, a caching processor and an encryption and decryption algorithm, wherein the key generator is used for generating a corresponding key according to password information, the caching processor is used for caching plaintext data and ciphertext data, and the encryption and decryption algorithm is used for encrypting and decrypting the data and specifically comprises the following steps of:
s1, data encryption:
s1.1, designating important information content information in the text information editing process, and selecting a designated encryption function;
S1.2, the system pops up an input password window, an author inputs password information for encrypting the text, and a key generator generates a corresponding encryption key;
s1.3, the encryption algorithm encrypts the selected text according to the encryption key, displays ciphertext information in the same-position area, and sets the area as non-modifiable;
S2, decrypting data:
s2.1, selecting a ciphertext display area, executing a decryption function, and generating a corresponding decryption key by a key generator;
S2.2, the system pops up an input password window, the author inputs password information for encrypting the text, and a key generator generates a corresponding encryption key;
S2.3, the decryption algorithm decrypts the selected text ciphertext according to the decryption key, displays plaintext information in the same position area, and sets the area as modifiable;
S2.4, restoring the text to the original normal editing state.
Further, the key generator specifically includes the following steps when in operation:
S3.1, inputting password information set by an author;
s3.2, performing abstract calculation on the input password information;
S3.3, taking the first 16 bytes of the abstract information as a secret key;
s3.4, if the key length is insufficient, the subsequent value can be converted through password inversion and the like.
Further, the processing procedure of the buffer processor on the plaintext specifically includes the following steps:
s4.1, performing summary calculation on the selected encrypted text information content;
s4.2, taking the first 8 bytes of the abstract result as a check code of a plaintext;
and S4.3, storing the text, and storing the check codes together.
Further, the processing procedure of the buffer processor on the ciphertext specifically includes the following steps:
S5.1, performing summary calculation on the encrypted ciphertext information content;
S5.2, taking the first 8 bytes of the abstract result as a check code of the ciphertext;
S5.3, storing the text, and storing the check code together.
Further, the encryption and decryption algorithm performs the following specific steps:
S6.1, obtaining key information;
S6.2, encrypting the data cached in the plaintext;
s6.3, outputting ciphertext information and returning the ciphertext information to ciphertext caching.
Further, the specific steps of the encryption and decryption algorithm for decryption operation are as follows:
S7.1, obtaining key information;
s7.2, decrypting the data cached in the ciphertext;
S6.3, outputting the plaintext information and returning to the plaintext caching process.
Further, the password information is any visible character on the keyboard, the length is not limited, and the value length of the secret key is according to a specified algorithm and the basic length of the secret key.
Further, the encryption and decryption algorithm of the encryption and decryption algorithm is preferably one of SM4 and AES.
Specifically, when the method is used, the specific operation steps are as follows:
encryption:
1. Text braid selection (hacker forum, trade market, extranet community, news community, 113016);
2. Encryption interactions
A. Inputting an encryption password: 12345678
B. Calculating password abstract and taking encryption key (SM 3 algorithm)
Digest value:
0FFFFF81E971FA3F09107ABF77931463FC0710BFB8962EFEAE3D5654B073BB0C
the key value takes the first 16 bytes, 0FFFFF81E971FA3F09107ABF77931463
C. summarizing plaintext information (SM 3 algorithm)
Digest value:
04C71E420647FA198F2A1B7240FEC732A7F3ECC79AC2863D8942EAB1B787624B
taking the first 8 bytes of the abstract: 04C71E420647FA19
D. Encrypting the plaintext by using the secret key to obtain ciphertext:
韕篹籿设罰緧嶺馵逄匁涉榝灊茣鷦沫帄賶参壜DM`4H
E. Summarizing ciphertext information (SM 3-HMAC)
Digest value:
A387AC44393A017F3A360EA78E5E128E7856244C3A3BD3C7D3966B10A78C7CB6
Taking the first 8 bytes of the abstract: a387AC44393A017F
F. outputting ciphertext:
韕篹籿设罰緧嶺馵逄匁涉榝灊茣鷦沫帄賶参壜DM`4H
3. Outputting an encryption result;
Decryption:
1. Text braiding selection
Text cache records information:
Ciphertext digest value: a387AC44393A017F
Plaintext digest value: 04C71E420647FA19
2. Decrypting interactions
A. Inputting a decryption password: 12345678
B. Calculating password abstract and taking encryption key (SM 3 algorithm)
Digest value:
0FFFFF81E971FA3F09107ABF77931463FC0710BFB8962EFEAE3D5654B073BB0C
the key value takes the first 16 bytes, 0FFFFF81E971FA3F09107ABF77931463
C. verification ciphertext abstract (SM 3-HMAC)
Calculating a digest value for the ciphertext:
A387AC44393A017F3A360EA78E5E128E7856244C3A3BD3C7D3966B10A78C7CB6
whether the first 8 bytes are identical to the original recorded ciphertext digest value.
D. decrypting the ciphertext with the key to obtain plaintext
Hack forum, trade market, extranet community, news community 113016
E. Verifying plaintext abstract (SM 3)
Calculating a digest value for the plaintext cloud:
04C71E420647FA198F2A1B7240FEC732A7F3ECC79AC2863D8942EAB1B787624B
whether the first 8 bytes are identical to the original record plaintext digest value.
F. Outputting plaintext
Hack forum, trade market, extranet community, news community 113016
3. And outputting a decryption result.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The method for encrypting the text editing appointed content comprises a key generator, a cache processor and an encryption and decryption algorithm, and is characterized in that the key generator is used for generating a corresponding key according to password information, the cache processor is used for caching plaintext data and ciphertext data, and the encryption and decryption algorithm is used for encrypting and decrypting the data, and specifically comprises the following steps:
s1, data encryption:
s1.1, in the process of editing text information, important content information can be appointed, and the encryption function of the appointed information is selected;
S1.2, the system pops up an input password window, an author inputs password information for encrypting the text, and a key generator generates a corresponding encryption key;
s1.3, the encryption algorithm encrypts the selected text according to the encryption key, displays ciphertext information in the same-position area, and sets the area as non-modifiable;
S2, decrypting data:
S2.1, selecting a ciphertext display area and selecting a decryption function of the specified information;
S2.2, the system pops up an input password window, the author inputs password information for encrypting the text, and a key generator generates a corresponding decryption key;
S2.3, the decryption algorithm decrypts the selected text ciphertext according to the decryption key, displays plaintext information in the same position area, and sets the area as modifiable;
S2.4, restoring the text to the original normal editing state.
2. A method for text editing specified content encryption as recited in claim 1, wherein: the key generator specifically comprises the following steps in operation:
S3.1, inputting password information set by an author;
s3.2, performing abstract calculation on the input password information;
S3.3, taking the first 16 bytes of the abstract information as a secret key (the length of the secret key is calculated according to the algorithm requirement);
s3.4, if the key length is insufficient, the subsequent value can be converted through password inversion and the like.
3. A method for text editing specified content encryption as recited in claim 1, wherein: the processing process of the buffer processor for the plaintext specifically comprises the following steps:
s4.1, performing summary calculation on the selected encrypted text information content;
s4.2, taking the first 8 bytes of the abstract result as a check code of a plaintext;
S4.3, storing the text and storing the check code together.
4. A method for text editing specified content encryption as recited in claim 1, wherein: the processing process of the ciphertext by the cache processor specifically comprises the following steps:
S5.1, performing summary calculation on the encrypted ciphertext information content;
S5.2, taking the first 8 bytes of the abstract result as a check code of the ciphertext;
S5.3, storing the text, and storing the check code together.
5. A method for text editing specified content encryption as recited in claim 1, wherein: the encryption and decryption algorithm performs the specific steps as follows:
S6.1, obtaining key information;
S6.2, encrypting the data cached in the plaintext (a customizable algorithm), and calculating the abstract of the ciphertext information;
s6.3, outputting ciphertext information and returning the ciphertext information to ciphertext caching.
6. A method for text editing specified content decryption according to claim 1, wherein: the specific steps of the decryption operation performed by the encryption and decryption algorithm are as follows:
S7.1, obtaining key information;
S7.2, checking the integrity of the ciphertext cache data, and decrypting the ciphertext cache data;
s7.3, outputting the plaintext information, checking the integrity of the plaintext information, and returning to the plaintext caching process.
7. A method for text editing specified content encryption as claimed in claim 2, wherein: the password information is any visible character on the keyboard, the length is not limited, and the value length of the secret key is according to a specified algorithm and the basic length of the secret key.
8. A method for text editing specified content encryption as recited in claim 1, wherein: the encryption and decryption algorithm of the encryption and decryption algorithm is preferably a symmetric encryption algorithm in SM4 and AES, and the algorithm can be customized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410224938.5A CN118013553A (en) | 2024-02-28 | 2024-02-28 | Method for encrypting text editing appointed content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410224938.5A CN118013553A (en) | 2024-02-28 | 2024-02-28 | Method for encrypting text editing appointed content |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118013553A true CN118013553A (en) | 2024-05-10 |
Family
ID=90956168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410224938.5A Pending CN118013553A (en) | 2024-02-28 | 2024-02-28 | Method for encrypting text editing appointed content |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118013553A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118965381A (en) * | 2024-07-16 | 2024-11-15 | 上海腾你信息科技有限公司 | A secure and reliable information leakage prevention system capable of real-time encryption |
-
2024
- 2024-02-28 CN CN202410224938.5A patent/CN118013553A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118965381A (en) * | 2024-07-16 | 2024-11-15 | 上海腾你信息科技有限公司 | A secure and reliable information leakage prevention system capable of real-time encryption |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10958638B2 (en) | Securely sharing confidential information in a document | |
| US8175268B2 (en) | Generating and securing archive keys | |
| CN106682521B (en) | File transparent encryption and decryption system and method based on driver layer | |
| CN101719209A (en) | General digital rights protection method on WINDOWS platform | |
| Park et al. | Research on Note-Taking Apps with Security Features. | |
| KR102417814B1 (en) | Electronic document management server that supports security settings for some content embedded in electronic documents based on member identification information and operating method thereof | |
| KR102136656B1 (en) | Electronic terminal device capable of processing conditional security settings for a memo entered in a spreadsheet and operating method thereof | |
| CN118013553A (en) | Method for encrypting text editing appointed content | |
| US12238200B2 (en) | Cryptographic technique for encrypting and decrypting on a single data processing device | |
| Sassani et al. | Evaluating encryption algorithms for sensitive data using different storage devices | |
| CN110113151A (en) | A kind of non-intrusion type real-time encryption and decryption method of pair of ELF format program | |
| CN103379133A (en) | Safe and reliable cloud storage system | |
| CN103516722A (en) | Subscriber stage file automatic encryption and decryption method and device | |
| CN113806785B (en) | Method and system for carrying out security protection on electronic document | |
| CN101018117A (en) | Webpage log encryption system and method | |
| CN114629643A (en) | Key processing method, device and medium | |
| CN108540426A (en) | A method, device and server for realizing data processing | |
| CN112883397A (en) | Data storage method, data reading method, device, equipment and storage medium | |
| Alkhadhr et al. | Cryptography and randomization to dispose of data and boost system security | |
| CN114969789B (en) | Host-based password ciphertext storage and use method and device | |
| KR102417811B1 (en) | Document translation service server which provides document translation services with personal information protection function and the operating method thereof | |
| CN115470525B (en) | File protection method, system, computing device and storage medium | |
| US20130036474A1 (en) | Method and Apparatus for Secure Data Representation Allowing Efficient Collection, Search and Retrieval | |
| JP5540584B2 (en) | Electronic document browsing system, method and computer program | |
| CN116028971A (en) | Method, system, equipment and storage medium for desensitizing enterprise credit investigation data |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |