CN117668875A - Method for automatically checking software input/output storage MD5 - Google Patents

Method for automatically checking software input/output storage MD5 Download PDF

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Publication number
CN117668875A
CN117668875A CN202311673944.0A CN202311673944A CN117668875A CN 117668875 A CN117668875 A CN 117668875A CN 202311673944 A CN202311673944 A CN 202311673944A CN 117668875 A CN117668875 A CN 117668875A
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software
warehouse
file
configuration item
check code
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CN202311673944.0A
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郭冬梅
高伟
曾立云
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Tianjin Jinhang Computing Technology Research Institute
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Tianjin Jinhang Computing Technology Research Institute
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Priority to CN202311673944.0A priority Critical patent/CN117668875A/en
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Abstract

The invention relates to a method for automatically checking software input/output storage MD5, and belongs to the field of encryption and decryption. According to the method, the verification code can be automatically generated by clicking the files needing to be added with configuration management when the software is put in the warehouse, and consistency with the files in the warehouse is automatically verified and judged when the software is put out of the warehouse, so that the function of automatic verification of the software is realized by the MD5 of the software put out of the warehouse, the management and control of the state of the software configuration items put in and put out of the warehouse are enhanced, the state rechecking function is realized, link state errors such as software product test, evaluation, production filling and the like are prevented, and the reliability of the software product is improved. The invention improves the MD5 standard algorithm according to scientific research practice, establishes and implements a unique MD5 check code generation method, has simple realization, optimizes the flow and improves the reliability of the check link while basically not increasing the workload of research personnel and configuration management personnel. Has the effectiveness and meets the application requirement.

Description

Method for automatically checking software input/output storage MD5
Technical Field
The invention belongs to the field of encryption and decryption, and particularly relates to a method for automatically checking software input/output storage MD 5.
Background
MD5 is an abbreviation for message-digest algorism 5, widely used in encryption and decryption techniques, and is called a "digital fingerprint" of a file. Any file, whether it be an executable program, an image file, a temporary file, or any other type of file, has and has only a unique MD5 information value and if this file is modified, its MD5 value will change accordingly. Thus, we can check whether this file has been "tampered" by comparing the MD5 values of the same file.
The MD5 function can ensure the version of the file, one corresponding to a unique MD5 value, and if the pressing is different, the file cannot be verified. The compressed file contains time information of the compressed file, and when the compressed file is generated by using the tool, the file is newly created each time, and the creation time of the file is different although the file content is the same, so that the MD5 code of each compressed file is different. This feature results in the MD5 algorithm of the known disclosure not being applicable and not achieving the desired effect when MD5 is applied directly to the configuration management tool, since some of the configuration management items are typically compressed package files.
Disclosure of Invention
First, the technical problem to be solved
The invention aims to solve the technical problems of providing a method for automatically checking the MD5 of a software input/output library so as to solve the technical problems of compatibility with the existing configuration management system, non-uniqueness of an MD5 standard algorithm on an MD5 code value generated by a compressed package file and the like.
(II) technical scheme
In order to solve the technical problems, the invention provides a method for automatically checking the MD5 of a software input/output warehouse, which comprises the following steps:
s1, designing a software configuration warehouse entry form and a software configuration warehouse exit form;
s2, aiming at a software configuration item to be put in storage, firstly, creating a put-in order and associating the put-in configuration item in an AVIDM system;
s3, judging whether MD5 check codes are needed to be generated for the file contents in the warehouse entry configuration items or not by the system according to the related warehouse entry configuration items;
s4, downloading files in a 'source program' or 'execution program' configuration item contained in the library configuration item, performing modulo two sum calculation, and generating an MD5 check code;
s5, updating the MD5 check code or the abnormal prompt correspondingly obtained from the configuration item record in the warehouse entry list, and finishing the warehouse entry of the software configuration item;
s6, when the software configuration items are out of the library, a library outlet list is required to be created, and the software configuration items required to be out of the library are selected;
s7, selecting a stored configuration item according to the ex-warehouse configuration item, and judging whether MD5 check codes are required to be generated for the file content in the configuration item by the system;
s8, downloading files in the configuration items of the source program or the execution program, performing modulo two sum calculation on the files, and generating a new MD5 check code;
s9, comparing the new MD5 check code of the ex-warehouse configuration item with the MD5 check code recorded by the warehouse-in configuration item according to the acquired ex-warehouse configuration item in the ex-warehouse list, and updating the comparison result and the ex-warehouse MD5 check code corresponding to the configuration item; and when the document is downloaded abnormally, giving an abnormal prompt.
(III) beneficial effects
The invention provides a method for automatically checking the MD5 of a software in-out warehouse, which upgrades the existing configuration management tool module, realizes automatic generation of MD5 codes by configuration items when a software product is in warehouse, automatically checks the software product when the software product is out warehouse, and solves the technical problems of compatibility with the existing configuration management system, non-uniqueness of MD5 code values generated by an MD5 standard algorithm on compressed package files, and the like.
The invention improves the MD5 standard algorithm according to scientific research practice, establishes and implements a unique MD5 check code generation method, optimizes a human-computer interaction interface and performs sufficient test and trial work. The verification code can be automatically generated by clicking the files needing to be added with configuration management when the software is put in the warehouse, and the consistency with the files in the warehouse is automatically verified and judged when the software is put out of the warehouse, so that the automatic verification function of the software is realized, the management and control of the state of the software configuration items in and out of the warehouse is enhanced, the state rechecking function is realized, the link states of software product test, evaluation, production filling and the like are prevented from being wrong, and the reliability of the software product is improved. The invention has simple realization, optimizes the flow and improves the reliability of the inspection link without increasing the workload of research personnel and configuration management personnel. Has the effectiveness and meets the application requirement.
Drawings
FIG. 1 is a flow chart of a process software architecture design of the present invention;
FIG. 2 is a schematic design flow chart of the software of the processing procedure of the invention;
FIG. 3 is a diagram of an example of automatic MD5 code generation for warehousing during the process of the present invention;
FIG. 4 is a diagram of an example of automatic verification of MD5 code consistency for ex-warehouse during the process of the present invention;
FIG. 5 is a diagram of an example of the process of the present invention for automatically verifying the MD5 code inconsistency when leaving a warehouse;
fig. 6 is a system architecture diagram of the present invention.
Detailed Description
To make the objects, contents and advantages of the present invention more apparent, the following detailed description of the present invention will be given with reference to the accompanying drawings and examples.
The purpose of the invention is as follows:
1) The tool is suitable for the existing AVIDM system and configuration management module, software architecture and file reading mode, and the problems of file acquisition abnormality, new and old transition period when an old document does not generate a check code, inconsistent file check result and the like caused by the unstable condition of the AVIDM system are solved, so that the effectiveness of the tool is ensured. And interface optimization is performed, so that friendly man-machine interaction is realized.
2) And when the codes are inconsistent, the MD5 code value is regenerated according to the current product identification and the document identification, so that the working efficiency of the program is improved, and the accuracy of the data is ensured.
3) And decompressing the compressed file, and generating MD5 by combining a plurality of fixed attributes of a single file and performing modulo two sum operation, so that the problem that the source program and the executable program compression package are not unique in each generation of MD5 is solved.
The invention aims to provide a method for automatically checking MD5 of software in and out of a warehouse, which solves the problem of checking MD5 code values of compressed file packages, develops an automatic checking function module based on the existing software configuration management tool, marks the MD5 code of a used software product, further strengthens state management and control, and realizes the functions of automatically generating the MD5 code by a software configuration management item during the warehouse in, and automatically checking the consistency of the MD5 code of the warehouse in and out of the warehouse.
The invention solves the problem of automatic generation and verification functions of MD5 based on the existing configuration management tool.
Fig. 1 is a schematic diagram of the technical scheme of the present invention. As shown in fig. 1, the method for automatically checking the software input/output storage MD5 provided by the invention comprises the following steps:
s1, designing a software configuration warehouse entry form and a software configuration warehouse exit form. In the present invention, the following data forms are created:
software configuration warehouse entry: the software configuration items used for recording the warehouse entry comprise the names of the configuration items, the identifiers and versions of the configuration items and MD5 check codes;
software configuration delivery order: the software configuration items used for recording the ex-warehouse comprise a baseline name, a baseline identification and version number, the name of the configuration item, the identification and version of the configuration item, a comparison result and an MD5 check code.
S2, aiming at software configuration items needing to be put in storage, firstly, a put-in order is created, and the put-in configuration items are associated in an AVIDM system.
S3, according to the associated warehouse entry configuration items, the system judges whether MD5 check codes are required to be generated for the file contents in the warehouse entry configuration items.
S4, downloading files in the 'source program' or 'execution program' configuration items contained in the library configuration items, performing modulo two sum calculation, and generating MD5 check codes.
The number of files which are not downloaded or the number of files which are downloaded is incomplete in the appointed times, file downloading can be carried out again according to the input counting parameter (for example, 5 times), after the file downloading is complete, MD5 codes of a single file are stored in an array, a new character string is generated after the sorting is carried out by a bubbling method, the new character string is converted into hexadecimal character strings to carry out summation calculation, the result obtained by the summation calculation is subjected to modular operation, and finally, the modular operation result is subjected to MD5 encryption algorithm to generate new MD5 check codes (or check codes can be generated by inputting other encryption algorithm parameters, such as SHA1, SHA-256, SH-384, SHA-512 and the like);
and stopping continuing downloading when the file is not downloaded after the limit of the counting parameters is reached, and returning to the file acquisition exception prompt.
S5, updating the MD5 check code or the abnormal prompt correspondingly obtained from the configuration item record in the warehouse entry list, and finishing the warehouse entry of the software configuration item.
S6, when the software configuration items are out of the library, a library outlet list needs to be created, and the software configuration items needing to be out of the library are selected.
S7, selecting the stored configuration items according to the ex-warehouse configuration items, and judging whether MD5 check codes are required to be generated for the file contents in the configuration items by the system.
S8, downloading files in the configuration items of the source program or the execution program, performing modulo two sum calculation, and generating MD5 check codes.
The number of files which are not downloaded or downloaded in the designated times is incomplete, file downloading can be carried out again according to the input counting parameters (for example, 5 times), the MD5 codes of the files are stored in an array until the file downloading is complete, a new character string is generated after the sorting is carried out by a bubbling method, the new character string is converted into hexadecimal character strings to carry out summation calculation, the result obtained by the summation calculation is subjected to modulo operation, finally, the modulo operation is recorded by an MD5 encryption algorithm to generate a new MD5 check code (or check code generation can be carried out by inputting other encryption algorithm parameters, such as SHA1, SHA-256, SH-384, SHA-512 and the like), or continuous downloading is stopped after the limit of the counting parameters is reached, and an abnormal prompt of file acquisition is returned.
And S9, comparing the new MD5 check code of the ex-warehouse configuration item with the MD5 check code recorded by the in-warehouse configuration item in the ex-warehouse list, and updating the comparison result and the ex-warehouse MD5 check code corresponding to the configuration item. And when the document is downloaded abnormally, giving an abnormal prompt.
In order to better implement the above scheme, the downloaded file may be repeatedly generated in different time periods by means of modulo two sum generation of the MD5 check code: if the number of times of generation is within the limited maximum number of times, repeating the process of S4 or S8 until the generation of the MD5 check code is finished, and then waiting for warehouse entry or warehouse exit to trigger generation again. If the MD5 check code is not generated within the designated number of times, the generation is stopped because the generation is continued and the execution of other operations is possibly influenced, and the MD5 check code is regenerated again when the next time is triggered.
FIG. 2 is a schematic design flow chart of the software of the processing procedure of the invention. Firstly, creating an out-warehouse entry list for storing out-warehouse entry configuration item information, acquiring a configuration item document according to the out-warehouse entry configuration item information, judging whether the document exists or not, returning to document acquisition failure if the document does not exist, adding 1 (index++) at the same time, and rereading (index < maxnum) according to whether the maximum download times are reached, continuing to acquire the configuration item document if the maximum download times are not reached, otherwise, returning to a prompt of document acquisition failure, and ending the flow. If the document is required to judge whether the document is a change list, the mode of the change list and the mode of the ordinary configuration item for obtaining the document are different, the change list is required to obtain the content of the changed configuration item, and the ordinary document is required to directly obtain the content under the configuration item. After the configuration item is obtained, whether a document "source program" or an "executing program" which needs to generate the MD5 check code is needed is judged, if the document is not needed, the next document in the configuration item is continuously obtained, if the document is the needed document, a file set (fileList) contained in the document is obtained, all the files are traversed, whether the document which needs to generate the MD5 check code is judged (the files which need to be removed are unnecessary files), if the document is not needed, whether the next file is needed, the circulation is continuously executed, if the file type meets the requirements, the file which meets the requirements is needed to be downloaded, whether the file is completely downloaded, if the file is incompletely downloaded, the downloading operation (dindex++) is needed to be repeatedly executed, until the downloaded file is completely downloaded or the maximum downloading times (dindex < 10) is reached, the downloaded file is generated and returns the check code in an MD5 encryption mode, after the circulation is completed, the MD5 check codes of all the files are stored in the array and reordered, the ordered data are subjected to modulo two and calculation, finally, a new MD5 check code is obtained, and the MD5 check code is directly returned to the MD5 check code is compared with the MD5 check code which needs to be directly stored in the warehouse, and the configuration item.
Fig. 3 is a diagram of an example of automatic generation of MD5 codes in a processing library. When the software warehousing application form is created, a document in the AVIDM is selected as a configuration item of software warehousing, and after the configuration item is added, the system automatically judges whether to generate an MD5 check code value according to the name of the configuration item and the file type in the document. If the configuration item name contains a source program or an executing program, the MD5 check code column is automatically backfilled with content, otherwise, the content is not filled.
FIG. 4 is a diagram showing an example of automatic verification of MD5 code consistency during ex-warehouse processing according to the present invention. When the software ex-warehouse application form is created, the in-warehouse configuration item is selected to be used as the configuration item of the software ex-warehouse, and after the configuration item is added, the system automatically judges whether to generate the MD5 check code value according to the name of the configuration item and the file type in the document. If the configuration item name contains a source program or an executing program, the comparison result column is backfilled with MD5 code value contents generated by automatic backfilling in comparison result 'consistent', 'inconsistent' (inconsistent is shown in figure 5) and MD5 check code columns, otherwise, the contents are not filled. If the file downloading is abnormal, the comparison result content column displays abnormal information.
The invention provides a method for automatically checking the MD5 of a software in-out warehouse, which upgrades the existing configuration management tool module, realizes automatic generation of MD5 codes by configuration items when a software product is in warehouse, automatically checks the software product when the software product is out warehouse, and solves the technical problems of compatibility with the existing configuration management system, non-uniqueness of MD5 code values generated by an MD5 standard algorithm on compressed package files, and the like.
The invention improves the MD5 standard algorithm according to scientific research practice, establishes and implements a unique MD5 check code generation method, optimizes a human-computer interaction interface and performs sufficient test and trial work. The verification code can be automatically generated by clicking the files needing to be added with configuration management when the software is put in the warehouse, and the consistency with the files in the warehouse is automatically verified and judged when the software is put out of the warehouse, so that the automatic verification function of the software is realized, the management and control of the state of the software configuration items in and out of the warehouse is enhanced, the state rechecking function is realized, the link states of software product test, evaluation, production filling and the like are prevented from being wrong, and the reliability of the software product is improved. The invention has simple realization, optimizes the flow and improves the reliability of the inspection link without increasing the workload of research personnel and configuration management personnel. Has the effectiveness and meets the application requirement.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.

Claims (10)

1. The method for automatically checking the software input/output storage MD5 is characterized by comprising the following steps:
s1, designing a software configuration warehouse entry form and a software configuration warehouse exit form;
s2, aiming at a software configuration item to be put in storage, firstly, creating a put-in order and associating the put-in configuration item in an AVIDM system;
s3, judging whether MD5 check codes are needed to be generated for the file contents in the warehouse entry configuration items or not by the system according to the related warehouse entry configuration items;
s4, downloading files in a 'source program' or 'execution program' configuration item contained in the library configuration item, performing modulo two sum calculation, and generating an MD5 check code;
s5, updating the MD5 check code or the abnormal prompt correspondingly obtained from the configuration item record in the warehouse entry list, and finishing the warehouse entry of the software configuration item;
s6, when the software configuration items are out of the library, a library outlet list is required to be created, and the software configuration items required to be out of the library are selected;
s7, selecting a stored configuration item according to the ex-warehouse configuration item, and judging whether MD5 check codes are required to be generated for the file content in the configuration item by the system;
s8, downloading files in the configuration items of the source program or the execution program, performing modulo two sum calculation on the files, and generating a new MD5 check code;
s9, comparing the new MD5 check code of the ex-warehouse configuration item with the MD5 check code recorded by the warehouse-in configuration item according to the acquired ex-warehouse configuration item in the ex-warehouse list, and updating the comparison result and the ex-warehouse MD5 check code corresponding to the configuration item; and when the document is downloaded abnormally, giving an abnormal prompt.
2. The method for automatically checking the software in-out and in-in MD5 as set forth in claim 1, wherein in step S1, the software configuration entry is used for recording the software configuration item in the entry, and the method comprises: the name of the configuration item, the identification and version of the configuration item and the MD5 check code; the software configuration ex-warehouse list is used for recording the software configuration items of ex-warehouse, and comprises the following steps: the base line name, the base line identification and version number, the name of the configuration item, the configuration item identification and version, the comparison result and the MD5 check code.
3. The method for automatically checking the software in-out and in-put MD5 as set forth in claim 1, wherein said step S4 specifically includes: the files are not downloaded or the number of the downloaded files is incomplete within the appointed times, and the files are downloaded again according to the transmitted counting parameters;
after the file is completely downloaded, storing the MD5 codes of the single file into an array, reordering the files by an bubbling method, generating a new character string after the sequencing, converting the new character string into a hexadecimal character string to carry out summation calculation, carrying out modular operation on a result obtained by the summation calculation, and finally generating a new MD5 check code from the modular operation result by an MD5 encryption algorithm;
if the file is not downloaded after the limit of the counting parameters is reached, stopping continuous downloading, and returning to the file acquisition exception prompt.
4. The method for automatically checking the software in-out and in-put MD5 as set forth in claim 1, wherein said step S8 specifically comprises: the files are not downloaded or the number of the downloaded files is incomplete within the designated times, and the file downloading is carried out again according to the transmitted counting parameters until the file downloading is complete;
after the file is completely downloaded, storing the MD5 code of the file into an array, reordering the file by an bubbling method, generating a new character string after the ordering, converting the new character string into a hexadecimal character string to carry out summation calculation, carrying out modular operation on the result obtained by the summation calculation, finally recording the modular operation by an MD5 encryption algorithm to generate a new MD5 check code,
and if the count parameter limit is reached, stopping continuing downloading, and returning to the file acquisition exception prompt.
5. The method for automatically checking the MD5 of the software in-out and in-storage of claim 1, wherein said downloaded file is repeatedly generated at different times by modulo two sum generation of MD5 check code: if the number of times of generation is within the limited maximum number of times, repeating the process of S4 or S8 until the generation of the MD5 check code is finished, and then waiting for warehouse entry or warehouse exit to trigger generation again.
6. The method for automatically checking the MD5 of a software input/output library as claimed in claim 5, wherein if the MD5 check code is not generated within a specified number of times, the generation is stopped, and the MD5 check code is regenerated again when the next time is triggered.
7. The method for automatically checking the software outbound and inbound MD5 according to any one of claims 1 to 6, wherein the configuration item document is obtained according to the outbound and inbound configuration item information, whether the document exists is judged, if not, the document acquisition is failed, and 1 is added to the count, i.e. index++, and rereading is performed according to whether the maximum download times are reached, i.e. whether index < maxnum is established is judged, if the maximum times are not reached, the configuration item document is continuously obtained, otherwise, a prompt of failure in obtaining the document is returned, and the flow is ended.
8. The method for automatically checking the software input/output storage MD5 according to claim 7, wherein if the document exists, whether the document needs to be judged to be a "change list", the change list is different from the mode of acquiring the document by the common configuration item, the change list needs to acquire the content of the changed configuration item, and the common document directly acquires the content under the configuration item.
9. The method of automatic verification of MD5 in software outbound and inbound as claimed in claim 7, wherein after obtaining the configuration item, it is required to determine whether it is a document "source program" or "execution program" that needs to generate MD5 verification code, if not, it is to continue to obtain the next document in the configuration item, if it is a required document, it is to obtain a file set file list contained in the document, it is to determine whether it is a file that needs to generate MD5 verification code, if it is not, it is to determine whether there is a next file, it is to continue to execute a loop, if the file type meets the requirement, it is to download a file meeting the requirement and determining whether the file is complete, if the download is incomplete, it is to repeatedly execute the download operation dindex++, until the file download is complete or the maximum download times is reached, it is to return the downloaded file to the verification code by means of MD5 encryption, after the loop execution is completed, it is to store the MD5 verification codes of all files in the MD5 verification code and reorder, it is to perform modulo two and calculation to finally obtain a new MD5 verification code.
10. The method for automatically checking the MD5 of the software in and out of the warehouse as set forth in claim 9, wherein the warehouse entry ticket directly receives the returned MD5 check code, and the warehouse entry ticket needs to compare the newly produced MD5 check code with the MD5 check code of the warehouse entry configuration item and give a comparison result.
CN202311673944.0A 2023-12-07 2023-12-07 Method for automatically checking software input/output storage MD5 Pending CN117668875A (en)

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CN202311673944.0A CN117668875A (en) 2023-12-07 2023-12-07 Method for automatically checking software input/output storage MD5

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