CN106528248B - Downloading method and system of mobile terminal based on software integrity - Google Patents
Downloading method and system of mobile terminal based on software integrity Download PDFInfo
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- G06F11/1048—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using arrangements adapted for a specific error detection or correction feature
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Abstract
The invention relates to the field of software downloading, and discloses a downloading method and a downloading system of a mobile terminal based on software integrity, wherein the method comprises the following steps: before the mobile terminal downloads the software, judging whether the downloaded software is correct in advance; when the downloaded software is correct, starting to download the software, and when the downloaded software is abnormal in the checking process, stopping the current operation and informing a user; when the software starts to be downloaded and in the downloading process, checking is carried out for a preset number of times through an algorithm, and the software is downloaded into the mobile terminal when the correctness of each check is all consistent. According to the invention, three times of MD5 checks are carried out in the process of downloading software by the mobile terminal, each step needs to be consistent, the influence of external environment abnormity is eliminated, and the purpose of consistency of software downloaded to the mobile terminal and software designed in advance is finally achieved, so that a user can conveniently use the software with complete functions.
Description
Technical Field
The invention relates to the field of mobile terminal software downloading, in particular to a downloading method and a downloading system of a mobile terminal based on software integrity.
Background
In the process of mass production of mobile terminals, such as mobile phones, software is downloaded after the mobile terminals are attached with the patches in order to check the functions of the patch technology and the devices, and whether the functions of the mobile phones are normal is detected through a manual inspection mode, so that whether hardware devices, the patch technology and the functions are normal is judged. Correspondingly, the mobile phone software has the advantages that a plurality of files are matched with hardware to complete the powerful functions of the mobile phone, the more the software is, the longer the downloading time is, and the higher the possibility of problems in the downloading process is.
There are many accidental factors in the production process of mobile phones that may cause the downloading of mobile phone software to be incomplete, such as: and a battery falls off in the software downloading process, or the USB cable is pulled out without completing the downloading, and the like. The incomplete downloading of the software may cause the mobile phone to have an abnormal function, and when the mobile phone has an abnormal function, the abnormal function may be caused by the abnormality of the hardware device or the chip mounting process itself, besides the software. When the function of the mobile phone is detected to be abnormal, if the mobile phone is judged to be faulty by mistake or the hardware device is judged to be faulty, the mobile phone can be judged to be a faulty machine in the production process. If the fault machine reaches a certain proportion, the production is brought with a lot of unnecessary inspection and maintenance, even the production process is stopped. If the problem of software is judged to be a problem by mistake and the problem of hardware is ignored, the mobile phones with the problems enter a market link, so that a user can find the problem when using the mobile phone, the problem is a serious quality accident, more maintenance cost can be brought, great damage is brought to the competitiveness of a product, and the problem is more serious. Therefore, it is very important to analyze and determine the cause of the abnormal function of the mobile phone.
At present, a mobile terminal software system and functions are more and more huge and complex, compiled binary mirror images (composed of a plurality of sub-blocks and not a unique large file) have huge data which is as much as 2-3G, so that probabilistic data loss or change in various links of data storage, transmission and downloading to terminal equipment is inevitable, in order to ensure that mobile phone equipment produced from a factory can be consistent with a pre-designed system, multi-link verification is specially designed, and if the situation that the data is different from expected data occurs, the quality cannot be ensured.
Therefore, the prior art still needs to be improved and developed to address the above drawbacks.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method and a system for downloading a mobile terminal based on software integrity, aiming at performing MD5 check three times in the process of downloading software by a mobile terminal, wherein each step needs to ensure consistency, and eliminates the influence of external environment anomaly, so as to finally achieve the purpose of consistency between software downloaded into the mobile terminal and software designed in advance, thereby facilitating the user to use the software with complete functions.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a download method of a mobile terminal based on software integrity comprises the following steps:
step A, before the mobile terminal downloads the software, judging whether the downloaded software is correct in advance;
step B, when the downloaded software is correct, starting to download the software, and when the downloaded software is abnormal in the checking process, stopping the current operation and informing a user;
and step C, when the software starts to be downloaded and in the downloading process, checking for a preset number of times through an algorithm, and downloading the software into the mobile terminal when the correctness of each check is all consistent.
The downloading method of the mobile terminal based on software integrity is characterized in that the algorithm is an MD5 algorithm, and belongs to a hash function used in the field of computer security and used for providing integrity protection of messages; the predetermined number of times is 3.
The downloading method of the mobile terminal based on software integrity comprises the following specific steps:
a1, compiling the software version, calculating each mirror image through a standard MD5 algorithm to obtain a hash value, and storing the hash value, the mirror image and the MD5 value on a server released by the software version;
a2, before the mobile terminal downloads the software, obtaining the hash value, and further determining whether the downloaded software is correct.
The downloading method of the mobile terminal based on software integrity comprises the following specific steps:
b1, when judging that the downloaded software is correct, controlling the mobile terminal to start downloading the software;
b2, when judging the downloaded software is abnormal in the checking process, terminating the current operation and informing the user to download again.
The downloading method of the mobile terminal based on software integrity, wherein the step C specifically comprises the following steps:
c1, when the software starts to download, obtaining the MD5 value for the first time to check, and if the MD5 value does not meet the requirement, immediately performing abnormal error reporting;
c2, when the MD5 value obtained for the first time passes the verification, carrying out mirror image downloading and loading in the memory of the mobile terminal one by one, carrying out MD5 check, and if abnormal, immediately terminating the downloading flow and prompting the user;
and C3, when the MD5 check is successful, the software is introduced into the mobile terminal, all sub-blocks forming the software are subjected to MD5 check one by one, if abnormal, the downloading flow is immediately terminated and a user is prompted, and if the check is successful, the software is completely installed.
A download system of a mobile terminal based on software integrity, comprising:
the pre-judging module is used for pre-judging whether the downloaded software is correct or not before the mobile terminal downloads the software;
the software checking module is used for starting to download the software when the downloaded software is correct, and stopping the current operation and informing the user when the downloaded software is abnormal in the checking process;
and the algorithm checking module is used for checking the software for a preset number of times through an algorithm when the software starts to be downloaded and in the downloading process, and downloading the software into the mobile terminal when the correctness of each check is all consistent.
The downloading system of the mobile terminal based on software integrity is characterized in that the algorithm is an MD5 algorithm, and belongs to a hash function used in the field of computer security and used for providing integrity protection of messages; the predetermined number of times is 3.
The downloading system of the mobile terminal based on the software integrity comprises the following modules:
the compiling and storing unit is used for calculating each mirror image through a standard MD5 algorithm to obtain a hash value after the software version is compiled, and simultaneously storing the hash value, the mirror image and the MD5 value on a server for releasing the software version;
and the judging unit is used for acquiring the hash value before the mobile terminal downloads the software, and further judging whether the downloaded software is correct.
The downloading system of the mobile terminal based on software integrity comprises a software checking module and a software checking module, wherein the software checking module specifically comprises:
the first checking unit is used for controlling the mobile terminal to start downloading the software when judging that the downloaded software is correct;
and the second checking unit is used for terminating the current operation and informing the user to download again when judging that the downloaded software is abnormal in the checking process.
The downloading system of the mobile terminal based on software integrity comprises an algorithm checking module, a download module and a download module, wherein the algorithm checking module specifically comprises:
the first checking unit is used for acquiring the MD5 value for the first time for checking after software starts to be downloaded, and immediately performing abnormal error reporting if the MD5 value does not meet the requirement;
the second checking unit is used for carrying out mirror image downloading and loading in the memory of the mobile terminal one by one when the MD5 value acquired for the first time passes the checking, carrying out MD5 checking, and immediately terminating the downloading process and prompting a user if the MD5 is abnormal;
and the third checking unit is used for starting to introduce the software into the mobile terminal when the MD5 check is successful, performing MD5 check on all sub-blocks forming the software one by one, immediately terminating the downloading flow and prompting a user if abnormal, and finishing the integrity installation of the software if the MD5 check is successful.
The invention discloses a downloading method and a downloading system of a mobile terminal based on software integrity, wherein the method comprises the following steps: before the mobile terminal downloads the software, judging whether the downloaded software is correct in advance; when the downloaded software is correct, starting to download the software, and when the downloaded software is abnormal in the checking process, stopping the current operation and informing a user; when the software starts to be downloaded and in the downloading process, checking is carried out for a preset number of times through an algorithm, and the software is downloaded into the mobile terminal when the correctness of each check is all consistent. According to the invention, three times of MD5 checks are carried out in the process of downloading software by the mobile terminal, each step needs to be consistent, the influence of external environment abnormity is eliminated, and the purpose of consistency of software downloaded to the mobile terminal and software designed in advance is finally achieved, so that a user can conveniently use the software with complete functions.
Drawings
Fig. 1 is a flowchart of a preferred embodiment of a method for downloading a mobile terminal based on software integrity according to the present invention.
Fig. 2 is a functional block diagram of a preferred embodiment of the software integrity based download system of the mobile terminal of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a flowchart illustrating a method for downloading a mobile terminal based on software integrity according to a preferred embodiment of the present invention.
As shown in fig. 1, a method for downloading a mobile terminal based on software integrity according to an embodiment of the present invention includes the following steps:
step S100, before the mobile terminal downloads the software, judging whether the downloaded software is correct in advance.
Further, the step S100 specifically includes:
s110, after the software version is compiled, calculating each mirror image through a standard MD5 algorithm to obtain a hash value, and simultaneously storing the hash value, the mirror image and an MD5 value on a server released by the software version;
and S120, before the mobile terminal downloads the software, acquiring the hash value, and further judging whether the downloaded software is correct.
In the invention, MD5, the name of Chinese is the fifth edition of Message Digest Algorithm, is a hash function widely used in the field of computer security for providing integrity protection of messages, and the mainstream programming language is generally realized by MD5, and is the basic principle of hash Algorithm for operating data (such as Chinese characters) into another fixed length value.
The MD5 algorithm has the following characteristics:
1. compressibility: for any length of data, the calculated length of the MD5 value is fixed.
2. Easy to calculate: it is easy to calculate the MD5 value from the raw data.
3. Resistance to modification: any change to the original data, even if only 1 byte is modified, can result in a great difference in the value of MD 5.
4. Strong collision resistance: knowing the original data and its MD5 value, it is very difficult to find a data with the same MD5 value (i.e., counterfeit data).
The MD5 is used in the invention because the algorithm is the mainstream algorithm at present, so that much time is not needed to research a new algorithm, the calculation efficiency is very high, and the efficiency of each link is not influenced.
Hashing (Hash), also directly translated as "hashing", is the conversion of an input of arbitrary length (also called Pre-map, Pre-image) into a fixed length output, the output being a Hash value, by a hashing algorithm.
Mirroring (Mirroring) is a type of redundancy in which data on one disk has an identical copy on another disk, i.e., Mirroring. The mirror image is a file storage form, a plurality of files can be made into a mirror image file, the mirror image file and programs such as GHOST are placed in a disk, and the mirror image file is restored into a plurality of files after being opened by software such as GHOST, and RAID 1 and RAID 10 use the mirror image. Common image file formats are ISO, BIN, IMG, TAO, DAO, CIF, FCD.
And step S200, starting to download the software when the downloaded software is correct, and stopping the current operation and informing a user when the downloaded software is abnormal in the checking process.
Further, the step S200 specifically includes:
s210, when the downloaded software is judged to be correct, controlling the mobile terminal to start downloading the software;
s220, when judging that the downloaded software is abnormal in the checking process, terminating the current operation and informing the user to download again.
In the invention, a software downloading integrity mark can be added in the pre-downloaded software; downloading the software, restarting the mobile terminal, and checking whether a software downloading integrity mark exists; and when the software downloading integrity mark does not exist, the software is downloaded again. And in order to facilitate the checking and judging, the software downloading integrity mark is added at the designated position of the pre-downloaded software, and the software downloading integrity mark is finally downloaded in the software downloading process. The software downloading method has the precondition that the software starts to be downloaded if the software is correct, and the current operation is stopped and the user is informed in time when the downloaded software is abnormal in the checking process.
And step S300, when the software starts to be downloaded and in the downloading process, checking for a preset number of times through an algorithm, and downloading the software into the mobile terminal when the correctness of each check is all consistent.
Further, the step S300 specifically includes:
s310, after software starts to be downloaded, an MD5 value is obtained for the first time to be checked, and if the MD5 value is not in accordance with the requirement, an abnormal error is reported immediately;
s320, when the MD5 value obtained for the first time passes the verification, carrying out mirror image downloading and loading in the memory of the mobile terminal one by one, carrying out MD5 check, and if abnormal, immediately stopping the downloading process and prompting a user;
and S330, when the MD5 is successfully checked, starting to introduce the software into the mobile terminal, checking all sub-blocks forming the software one by one through MD5, immediately terminating the downloading process and prompting a user if the check is abnormal, and finishing the integral installation of the software if the check is successful.
In the invention, after a binary mirror image of a mobile phone (a mobile terminal takes the mobile phone as an example) is compiled, a hash value is generated by using an MD5 algorithm to operate the binary mirror image and is stored in another configuration file; the mirror image and the MD5 value are simultaneously stored on a special software version server for other people to use; (each software version pair has a corresponding MD5 value), the factory production needs to acquire the version from the server, meanwhile, the acquired MD5 value is checked for the first time, and if the version does not meet the requirement, an error is reported immediately and abnormally, so that the acquired downloaded software is ensured to be correct; the downloaded mirror images are loaded into a computer memory one by one and are subjected to MD5 check, if the mirror images are abnormal, the next flow is immediately stopped and an operator is prompted, the step is successfully led into the terminal, the MD5 check is carried out one by one, and if the mirror images are abnormal, the current operation is stopped and the operator is prompted; the whole link is checked by MD5 for 3 times, each step needs to be consistent, the influence of external environment abnormity is eliminated, and the aim of consistency of software downloaded into the mobile phone and pre-designed software is finally achieved.
The algorithm used by the invention is the current mainstream algorithm, so that much time is not needed to research a new algorithm, the calculation efficiency is very high, and the efficiency of each link is not influenced; under the existing framework, the occupied use storage space can be completely ignored; the interface is easy to use, and the corresponding mobile phone system modification and tool development are simple; the accuracy rate is high, the occurrence of abnormal problems can be basically eliminated by 100%, the problems can be timely found and corrected, and the quality of the downloading link of the equipment is ensured.
Based on the above embodiments, the present invention further provides a system for downloading a mobile terminal based on software integrity, please refer to fig. 2, and fig. 2 is a functional block diagram of a preferred embodiment of the system for downloading a mobile terminal based on software integrity.
As shown in fig. 2, the system includes:
the pre-judging module 210 is configured to pre-judge whether the downloaded software is correct before the mobile terminal downloads the software; as described above.
A software checking module 220, configured to start downloading software when the downloaded software is correct, and terminate the current operation and notify the user when the downloaded software is abnormal in the checking process; as described above.
An algorithm checking module 230, configured to perform checking for a predetermined number of times through an algorithm when software starts to be downloaded and during downloading, and download the software into the mobile terminal when correctness of each checking is all consistent; as described above.
Further, the mobile terminal is a downloading system based on software integrity, wherein the algorithm is an MD5 algorithm, and belongs to a hash function used in the field of computer security for providing integrity protection of messages; the predetermined number of times is 3; as described above.
Further, the mobile terminal is a downloading system based on software integrity, wherein the pre-judging module specifically includes:
the compiling and storing unit is used for calculating each mirror image through a standard MD5 algorithm to obtain a hash value after the software version is compiled, and simultaneously storing the hash value, the mirror image and the MD5 value on a server for releasing the software version;
and the judging unit is used for acquiring the hash value before the mobile terminal downloads the software, and further judging whether the downloaded software is correct.
Further, the mobile terminal is a downloading system based on software integrity, wherein the software checking module specifically includes:
the first checking unit is used for controlling the mobile terminal to start downloading the software when judging that the downloaded software is correct;
and the second checking unit is used for terminating the current operation and informing the user to download again when judging that the downloaded software is abnormal in the checking process.
Further, the mobile terminal is a download system based on software integrity, wherein the algorithm checking module specifically includes:
the first checking unit is used for acquiring the MD5 value for the first time for checking after software starts to be downloaded, and immediately performing abnormal error reporting if the MD5 value does not meet the requirement;
the second checking unit is used for carrying out mirror image downloading and loading in the memory of the mobile terminal one by one when the MD5 value acquired for the first time passes the checking, carrying out MD5 checking, and immediately terminating the downloading process and prompting a user if the MD5 is abnormal;
and the third checking unit is used for starting to introduce the software into the mobile terminal when the MD5 check is successful, performing MD5 check on all sub-blocks forming the software one by one, immediately terminating the downloading flow and prompting a user if abnormal, and finishing the integrity installation of the software if the MD5 check is successful.
In summary, the present invention discloses a downloading method and system for a mobile terminal based on software integrity, wherein the method comprises: before the mobile terminal downloads the software, judging whether the downloaded software is correct in advance; when the downloaded software is correct, starting to download the software, and when the downloaded software is abnormal in the checking process, stopping the current operation and informing a user; when the software starts to be downloaded and in the downloading process, checking is carried out for a preset number of times through an algorithm, and the software is downloaded into the mobile terminal when the correctness of each check is all consistent. According to the invention, three times of MD5 checks are carried out in the process of downloading software by the mobile terminal, each step needs to be consistent, the influence of external environment abnormity is eliminated, and the purpose of consistency of software downloaded to the mobile terminal and software designed in advance is finally achieved, so that a user can conveniently use the software with complete functions.
Of course, it will be understood by those skilled in the art that all or part of the processes of the methods of the above embodiments may be implemented by a computer program instructing relevant hardware (such as a processor, a controller, etc.), and the program may be stored in a computer readable storage medium, and when executed, the program may include the processes of the above method embodiments. The storage medium may be a memory, a magnetic disk, an optical disk, etc.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (4)
1. A download method of a mobile terminal based on software integrity is characterized by comprising the following steps:
step A, before the mobile terminal downloads the software, judging whether the downloaded software is correct in advance;
step B, when the downloaded software is correct, starting to download the software, and when the downloaded software is abnormal in the checking process, stopping the current operation and informing a user;
step C, when the software starts to be downloaded and in the downloading process, checking for a preset number of times through an algorithm, and downloading the software to the mobile terminal when the correctness of each check is all consistent;
after the binary mirror image of the mobile terminal is compiled, a hash value is generated by using the MD5 algorithm to operate the binary mirror image and is stored in another configuration file; the mirror image and the MD5 value are simultaneously stored on a special software version server for other people to use; the version is required to be obtained from the server in factory production, meanwhile, the MD5 value is obtained for the first time for verification, if the requirement is not met, an error is reported immediately and abnormally, and the fact that the obtained downloaded software is correct is ensured; the downloaded mirror images are loaded into a computer memory one by one, MD5 check is carried out, if abnormal, the following flow is immediately stopped and an operator is prompted, if successful, the mirror images are guided into the terminal, MD5 check is carried out one by one, if abnormal, the current operation is stopped, and the operator is prompted; the whole link has 3 times of MD5 checks, each step needs to be consistent, and the influence of external environment abnormality is eliminated;
the step A specifically comprises the following steps:
a1, compiling the software version, calculating each mirror image through a standard MD5 algorithm to obtain a hash value, and storing the hash value, the mirror image and the MD5 value on a server released by the software version;
a2, before the mobile terminal downloads the software, obtaining the hash value, and further judging whether the downloaded software is correct;
the step B specifically comprises the following steps:
b1, when judging that the downloaded software is correct, controlling the mobile terminal to start downloading the software;
b2, when judging that the downloaded software is abnormal in the checking process, terminating the current operation and informing the user to download again;
the step C specifically comprises the following steps:
c1, when the software starts to download, obtaining the MD5 value for the first time to check, and if the MD5 value does not meet the requirement, immediately performing abnormal error reporting;
c2, when the MD5 value obtained for the first time passes the verification, carrying out mirror image downloading and loading in the memory of the mobile terminal one by one, carrying out MD5 check, and if abnormal, immediately terminating the downloading flow and prompting the user;
c3, when the MD5 check is successful, the software is guided into the mobile terminal, all sub-blocks forming the software are checked in an MD5 one by one, if abnormal, the downloading flow is immediately stopped and a user is prompted, and if the check is successful, the software is completely installed;
adding a software downloading integrity mark in the pre-downloaded software; downloading the software, restarting the mobile terminal, and checking whether a software downloading integrity mark exists; when the software downloading integrity mark does not exist, the software is downloaded again; the software downloading integrity mark is added at the appointed position of the pre-downloaded software, and the software downloading integrity mark is downloaded finally in the software downloading process.
2. The downloading method based on software integrity for mobile terminal according to claim 1, wherein the algorithm is MD5 algorithm, which belongs to hash function used in computer security field for providing integrity protection of message; the predetermined number of times is 3.
3. A download system for a mobile terminal based on software integrity, comprising:
the pre-judging module is used for pre-judging whether the downloaded software is correct or not before the mobile terminal downloads the software;
the software checking module is used for starting to download the software when the downloaded software is correct, and stopping the current operation and informing the user when the downloaded software is abnormal in the checking process;
the algorithm checking module is used for checking the software for a preset number of times through an algorithm when the software starts to be downloaded and in the downloading process, and downloading the software to the mobile terminal when the correctness of each check is all consistent;
after the binary mirror image of the mobile terminal is compiled, a hash value is generated by using the MD5 algorithm to operate the binary mirror image and is stored in another configuration file; the mirror image and the MD5 value are simultaneously stored on a special software version server for other people to use; the version is required to be obtained from the server in factory production, meanwhile, the MD5 value is obtained for the first time for verification, if the requirement is not met, an error is reported immediately and abnormally, and the fact that the obtained downloaded software is correct is ensured; the downloaded mirror images are loaded into a computer memory one by one, MD5 check is carried out, if abnormal, the following flow is immediately stopped and an operator is prompted, if successful, the mirror images are guided into the terminal, MD5 check is carried out one by one, if abnormal, the current operation is stopped, and the operator is prompted; the whole link has 3 times of MD5 checks, each step needs to be consistent, and the influence of external environment abnormality is eliminated;
the pre-judging module specifically comprises:
the compiling and storing unit is used for calculating each mirror image through a standard MD5 algorithm to obtain a hash value after the software version is compiled, and simultaneously storing the hash value, the mirror image and the MD5 value on a server for releasing the software version;
the judging unit is used for acquiring the hash value before the mobile terminal downloads the software, and further judging whether the downloaded software is correct;
the software checking module specifically comprises:
the first checking unit is used for controlling the mobile terminal to start downloading the software when judging that the downloaded software is correct;
the second checking unit is used for stopping the current operation and informing the user to download again when judging that the downloaded software is abnormal in the checking process;
the algorithm checking module specifically comprises:
the first checking unit is used for acquiring the MD5 value for the first time for checking after software starts to be downloaded, and immediately performing abnormal error reporting if the MD5 value does not meet the requirement;
the second checking unit is used for carrying out mirror image downloading and loading in the memory of the mobile terminal one by one when the MD5 value acquired for the first time passes the checking, carrying out MD5 checking, and immediately terminating the downloading process and prompting a user if the MD5 is abnormal;
the third checking unit is used for starting to introduce the software into the mobile terminal when the MD5 check is successful, checking all sub-blocks forming the software one by MD5, immediately terminating the downloading flow and prompting a user if abnormal, and finishing the integral installation of the software if the MD5 check is successful;
adding a software downloading integrity mark in the pre-downloaded software; downloading the software, restarting the mobile terminal, and checking whether a software downloading integrity mark exists; when the software downloading integrity mark does not exist, the software is downloaded again; the software downloading integrity mark is added at the appointed position of the pre-downloaded software, and the software downloading integrity mark is downloaded finally in the software downloading process.
4. The system for downloading the mobile terminal based on the software integrity as claimed in claim 3, wherein the algorithm is an MD5 algorithm, which belongs to a hash function used in the field of computer security for providing integrity protection of the message; the predetermined number of times is 3.
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