CN110568346A - Aging test method and system for smart card - Google Patents
Aging test method and system for smart card Download PDFInfo
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- CN110568346A CN110568346A CN201910949429.8A CN201910949429A CN110568346A CN 110568346 A CN110568346 A CN 110568346A CN 201910949429 A CN201910949429 A CN 201910949429A CN 110568346 A CN110568346 A CN 110568346A
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2855—Environmental, reliability or burn-in testing
- G01R31/2872—Environmental, reliability or burn-in testing related to electrical or environmental aspects, e.g. temperature, humidity, vibration, nuclear radiation
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Abstract
The application provides an aging test method of a smart card, which comprises the following steps: configuring a system authority instruction and a file content updating list; setting the total aging test times, the current test times and the file system check frequency; reading and storing an initial record; the accuracy and the testing efficiency of the aging test of the intelligent card can be greatly improved by assisting auxiliary detection means such as a scanning and verification process of the whole file system structure of the intelligent card, a function verification process of the intelligent card and the like on the basis of reading and writing verification of files in the file content updating list. The application also provides an aging test system of the smart card, which has the beneficial effects.
Description
Technical Field
the present disclosure relates to the field of integrated circuits, and in particular, to a method and system for burn-in test of a smart card.
Background
A smart card is a card containing an integrated circuit chip, which includes a microprocessor, an I/O interface, a memory, and the like. It provides functions of data operation, access control and storage, etc., and is also called as "integrated circuit card". The english name "integrated circuit Card" or "Smart Card" refers to a super-micro computer system including hardware (integrated circuit chip), an operating system (COS), a file system based on the COS, and Card applications.
Common mobile phone cards, bank cards, social security cards, identity cards, internet of things cards and the like are all smart cards. Each smart card has a long service life, is used for a plurality of times, can be aged after a long working time, and can be aged by an inappropriate external environment. Various problems may arise when it approaches or reaches its useful life, some of which may also cause some degree of loss to the user. Generally, the life of the same type of smart card in the same external environment is substantially within a stable range.
in the prior art, a specific common file on a card is repeatedly read and written continuously until a read value is different from a written value, and the card can be judged to be aged. Although the method is simple and direct, errors exist, and sometimes before the maximum times that the written value is different from the read value is reached, other aspects (such as file system structure, important configuration and initial value, card function and the like) of the card are damaged or unstable, because the aging test time is generally long, the problem of failure is difficult to find in time, and the test efficiency is low.
disclosure of Invention
the purpose of the application is to provide an aging test method and an aging test system for a smart card, which can simultaneously perform aging test and stability test on the smart card.
in order to solve the technical problem, the present application provides an aging test method for a smart card, which has the following specific technical scheme:
Configuring a system authority instruction and a file content updating list of the intelligent card; wherein the smart card is placed in a test environment of a preset measurement;
Setting the total aging test times, the current test times and the file system check frequency;
scanning the smart card, and saving a file system structure, contents, configuration items and initial values as initial records;
Performing read-write verification on the files in the file content updating list by using the system permission instruction and a preset value;
Judging whether the file read-write verification is successful or not;
if the file read-write verification fails, taking the current test times as the service life of the intelligent card;
If the file read-write verification is successful, judging whether the current test times meet the verification frequency of the file system;
If not, returning to execute the step of performing read-write verification on the file in the file content updating list by using the system permission instruction and the preset value;
if so, scanning the current file system structure, the current file system content, the current configuration item and the current initial value of the intelligent card and comparing the current configuration item with the initial record to obtain a comparison result;
if the comparison result is inconsistent, taking the current test times as the service life of the intelligent card;
If the comparison result is consistent, adding 1 to the current test frequency, and judging whether the current test frequency is equal to the total aging test frequency or not;
If the current test times are not equal to the total aging test times, returning to the step of executing read-write verification of the files in the file content updating list by using the system permission instruction and the preset value;
and if the current test times are equal to the total aging test times, taking the total aging test times as the service life of the intelligent card.
before performing read-write verification on the file in the file content update list by using the system permission instruction and the preset value, the method further comprises the following steps:
judging whether the initial function of the intelligent card is normal or not by using the test script;
If so, executing a step of performing read-write verification on the file in the file content updating list by using the system permission instruction and a preset value;
if not, the initial function is detected again until the failure times exceed the preset times or the initial function is normal.
wherein, still include:
and modifying the preset measurement of the test environment, and performing aging test on the smart card again.
Wherein, the preset measurement comprises one or the combination of any several of temperature, humidity, pH value and salinity.
if the comparison result is inconsistent, taking the current test times as the service life of the smart card comprises the following steps:
and if the comparison result is inconsistent, taking the corrected value of the current test times as the service life of the intelligent card.
The present application further provides an aging test system for a smart card, including:
The configuration module is used for configuring a system authority instruction and a file content update list of the intelligent card; wherein the smart card is placed in a test environment of a preset measurement; setting the total aging test times, the current test times and the file system check frequency;
the file system scanning module is used for scanning the intelligent card and saving a file system structure, content, configuration items and initial values as initial records;
The read-write verification module is used for performing read-write verification on the files in the file content updating list by using the system permission instruction and a preset value; judging whether the file read-write verification is successful or not; if the file read-write verification fails, taking the current test times as the service life of the intelligent card;
the file system checking module is used for judging whether the current test times meet the file system checking frequency or not when the read-write checking module successfully executes the file read-write verification; if not, returning to the read-write verification module; if so, scanning the current file system structure, the current file system content, the current configuration item and the current initial value of the intelligent card and comparing the current configuration item with the initial record to obtain a comparison result; if the comparison result is inconsistent, taking the current test times as the service life of the intelligent card;
The service life calculating module is used for adding 1 to the current test times when the comparison results obtained by the file system checking module are consistent, and judging whether the current test times are equal to the total aging test times or not; if the current test times are not equal to the total aging test times, returning to the read-write verification module; and if the current test times are equal to the total aging test times, taking the total aging test times as the service life of the intelligent card.
wherein, still include:
The function testing module is used for judging whether the initial function of the intelligent card is normal or not by using the testing script; if yes, entering the read-write checking module; if not, the initial function is detected again until the failure times exceed the preset times or the initial function is normal.
wherein, still include:
And the secondary test module is used for modifying the preset measurement of the test environment and carrying out aging test on the smart card again.
the application provides an aging test method of a smart card, which comprises the following steps: configuring a system authority instruction and a file content updating list of the intelligent card; wherein the smart card is placed in a test environment of a preset measurement; setting the total aging test times, the current test times and the file system check frequency; scanning the smart card, and saving a file system structure, contents, configuration items and initial values as initial records; performing read-write verification on the files in the file content updating list by using the system permission instruction and a preset value; judging whether the file read-write verification is successful or not; if the file read-write verification fails, taking the current test times as the service life of the intelligent card; if the file read-write verification is successful, judging whether the current test times meet the verification frequency of the file system; if not, returning to execute the step of performing read-write verification on the file in the file content updating list by using the system permission instruction and the preset value; if so, scanning the current file system structure, the current file system content, the current configuration item and the current initial value of the intelligent card and comparing the current configuration item with the initial record to obtain a comparison result; if the comparison result is inconsistent, taking the current test times as the service life of the intelligent card; if the comparison result is consistent, adding 1 to the current test frequency, and judging whether the current test frequency is equal to the total aging test frequency or not; if the current test times are not equal to the total aging test times, returning to the step of executing read-write verification of the files in the file content updating list by using the system permission instruction and the preset value; and if the current test times are equal to the total aging test times, taking the total aging test times as the service life of the intelligent card.
The intelligent card aging test method and the intelligent card aging test system have the advantages that the intelligent card aging test is carried out while the scanning and detection functions of the intelligent card file system with the preset frequency are assisted, the fault problem of the intelligent card can be found as early as possible during testing, and the accuracy and the testing efficiency of the intelligent card aging test are improved. The application also provides an aging test system of the smart card, which has the beneficial effects.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a flowchart of a method for burn-in testing of a smart card according to an embodiment of the present disclosure;
Fig. 2 is a schematic structural diagram of a system for burn-in testing of a smart card according to an embodiment of the present application.
Detailed Description
in order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
referring to fig. 1, fig. 1 is a flowchart of a burn-in test method of a smart card according to an embodiment of the present application, where the burn-in test method includes:
S101: configuring a system authority instruction and a file content updating list of the intelligent card;
it is noted that the smart card is placed in a test environment of a preset magnitude. It is easy to understand that the service lives of the smart cards in different use environments are different. The predetermined measure of the test environment is not particularly limited, and includes, but is not limited to, any one or any combination of temperature, humidity, ph, and salinity.
the system authority command is configured to facilitate the subsequent test process, because the smart card needs to be read, written, activated, disabled and the like in the test process. This step therefore requires the configuration of the smart card rights required for these operations, including but not limited to: PIN1/PIN2/AMD1 … ADM10/PUK1/PUK2 and the like to ensure normal use in the test process. The type of the system permission command is not limited herein, and a person skilled in the art should make a corresponding selection setting according to actual test requirements.
and configuring a file content updating list, wherein the file content updating list comprises a plurality of files. The information of each file includes, but is not limited to, a file ID, a file type, a file record number, and the like.
in addition, the configuration of the system permission instruction and the file content update list in the step has strong expansibility, namely, a person skilled in the art selects a proper system permission instruction and a proper file content update list to configure according to actual test requirements so as to adapt to different test requirements. Because each file has corresponding read-write authority, the file authority configuration function is also performed, and the file authority configuration function can be freely specified by a user and has strong flexibility.
s102: setting the total aging test times, the current test times and the file system check frequency;
in fig. 1, M is used as the total number of burn-in tests, and N is the current number of tests. M and N are only used as reference letters and do not serve as any limitation on the total number of aging tests and the number of current tests.
S103: scanning the smart card, and saving a file system structure, contents, configuration items and initial values as initial records;
and the data such as the structure, the content and the like of the initial file system are stored as the original data of an important monitoring point, and an original comparison basis is provided for the verification of the subsequent monitoring point. It is understood that, in this step, in addition to the scanning of the file structure and the content, other contents of the smart card may be read and saved according to different testing requirements, such as configuration items of the smart card, and the like, which are not specifically limited herein.
the initial function of reading the smart card is also required when reading the smart card. It is readily understood that when testing is performed, due to the correlation between the test areas, even if the test was shown to be successful at the time of testing, it merely means that the written data and the read data are the same, but the actual functions may have changed. It is therefore also necessary to verify the initial functionality of the smart card.
S104: performing read-write verification on the files in the file content updating list by using the system permission instruction and a preset value;
and when the accumulated test times reach the preset total test times, taking the preset total test times as the service life of the intelligent card.
before testing the smart card, the maximum test frequency of the test should be set, that is, the total test frequency is preset. This preset total number of tests is usually also the expected standard for the smart card, or slightly higher than expected. For example, if the target life of a certain smart card is ten thousand times, the preset total test times of the test can be ten thousand times or eleven thousand times. The preset total number of tests is not particularly limited herein.
and in the test process, updating the file content of the smart card by using the system permission instruction. The preset value is used for performing subsequent verification, and is not specifically limited herein, and may be a random value or a specific value.
S105: judging whether the file read-write verification is successful or not; if not, the process goes to S109; if yes, the process proceeds to S106.
s107: judging whether the current test times meet the file system check frequency; if yes, entering S108; if not, returning to S104;
S108: scanning the current file system structure, the current file system content, the current configuration item and the current initial value of the intelligent card and comparing the current configuration item with the initial record to obtain a comparison result; if the comparison result is not consistent, entering S109; if yes, entering S110;
The step aims to compare the file systems, including the comparison of the structures, the contents, the configuration items, the initial values and the like.
S109: the life test fails, and the current test times are used as the life of the intelligent card;
S110: adding 1 to the current test frequency, and judging whether the current test frequency is equal to the total aging test frequency or not; if yes, entering S111; if not, returning to S104;
s111: and taking the total aging test times as the service life of the intelligent card.
and when any test fails, taking the current accumulated test times as the service life of the smart card.
and if the test is successful, circularly performing the test. And (4) until the test fails or the accumulated test times reach the total aging test times, and taking the total aging test times as the service life of the intelligent card.
The step aims to set a preset frequency and carry out real-time function detection on the smart card in the test process. Since there may be no problem with reading and writing during testing, there is a possibility that the real-time function has changed. Therefore, real-time function detection is carried out on the smart card by setting a preset frequency. The preset frequency is not limited, and the real-time function may be detected once every ten thousand tests, or once every thousand tests, etc. And once the real-time function is abnormal, the minimum service life is obtained according to the preset frequency and the preset total test times.
specifically, when the comparison result obtained in S108 is inconsistent, the corrected value of the current test time may be used as the life of the smart card. For example, if the total number of preset tests is 100 ten thousand, the preset frequency is to detect the real-time function once per ten thousand tests, and in the actual test process, an abnormality is found when the real-time function is detected 10 th time, at this time, the file read-write verification module has normally performed 99999 times of tests, and since it cannot be determined which read-write verification time between nine ten thousand times and one hundred thousand times changes the real-time function, the minimum life of the smart card is conservatively corrected to (10-1) × 10000 ═ 90000 times, that is, the life correction value of the smart card is 90000 times. Similarly, the algorithm is referred to when the scanning and checking module of the smart card file system with the preset frequency fails to check. It is understood that, during the aging test of the smart card, the lifetime result obtained by the test may be corrected, and of course, the specific correction manner should depend on the specific test process, for example, averaging, discarding the uncertainty value, etc. may be used, and is not limited herein. And the test result of the aging test is corrected, so that the test result is more accurate and effective.
Further, it should be noted that, whenever the life of the smart card is obtained, it is the life at the preset measurement in step S101 of the embodiment of the present application, and is only valid at the preset measurement.
according to the embodiment of the application, the updating detection of the file content is combined with the aging test of the intelligent card, and when the aging test of the intelligent card is carried out, whether the actual reading value corresponding to the updated file content is consistent with the preset value is judged, so that whether the file content changes in the test process is judged. Meanwhile, whether the function of the intelligent card changes or not is detected at a preset frequency in the test process, the function change detection is combined with the aging test, the fault problem of the intelligent card can be found as early as possible in the test process, and the accuracy and the test efficiency of the aging test of the intelligent card are improved.
According to the method and the device, the scanning comparison process of the file content of the intelligent card and the function detection process of the intelligent card are combined, the intelligent card is subjected to function detection at a certain frequency in the process of testing the file content, the aging test efficiency of the intelligent card can be greatly improved, and abnormal changes of the intelligent card in the test process can be found as soon as possible. Without departing from the principle of the application, several improvements and modifications can be made to the application, and these improvements and modifications also fall within the scope of the claims of the application.
based on the foregoing embodiment, as a preferred embodiment, before performing step S104, that is, performing the read-write test on the smart card, the method may further include:
Judging whether the initial function of the smart card is normal or not; if yes, entering S104;
This step is intended to judge whether the initial function of the smart card is normal, and actually, also to judge the application performance of the smart card. If the initial function is normal, S104 may be entered to test the smart card. If not, the smart card is damaged.
Based on the above embodiment, as a preferred embodiment, after the lifetime of the smart card under the preset measurement is obtained, the preset measurement of the test environment may be modified, and the smart card may be re-subjected to the burn-in test.
It is easy to understand that the smart card may work in different environments, and the service environment of the user is different, which may easily affect the service life of the smart card, for example, the smart card in a high temperature environment generally has a shorter service life, and the effective read/write times are less than those in a normal temperature. Therefore, in order to facilitate the user to accurately grasp the service life condition of the smart card in different environments, the preset measurement of the test environment may be modified, and the smart card may be tested again according to the test process of the above embodiment. The modification of the preset metric is not limited, and may be performed by a control variable method or by simulating an actual use environment.
in the following, a system for burn-in test of a smart card provided by an embodiment of the present application is introduced, and a system for burn-in test of a smart card described below and a method for burn-in test of a smart card described above may be referred to correspondingly.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a burn-in test system of a smart card according to an embodiment of the present application, where the burn-in test system includes:
A configuration module 100, configured to configure a system permission instruction and a file content update list of the smart card; wherein the smart card is placed in a test environment of a preset measurement; setting the total aging test times, the current test times and the file system check frequency;
a file system scanning module 200, configured to scan the smart card, and store a file system structure, content, configuration items, and initial values as initial records;
The read-write verification module 300 is configured to perform read-write verification on the file in the file content update list by using the system permission instruction and the preset value; judging whether the file read-write verification is successful or not; if the file read-write verification fails, taking the current test times as the service life of the intelligent card;
The file system verification module 400 is configured to, when the read-write verification module 300 successfully performs the file read-write verification, determine whether the current test frequency meets the file system verification frequency; if not, returning to the read-write verification module; if so, scanning the current file system structure, the current file system content, the current configuration item and the current initial value of the intelligent card and comparing the current configuration item with the initial record to obtain a comparison result; if the comparison result is inconsistent, taking the current test times as the service life of the intelligent card;
the life calculating module 500 is used for adding 1 to the current testing times when the comparison results obtained by the file system checking module are consistent, and judging whether the current testing times are equal to the total aging testing times or not; if the current test times are not equal to the total aging test times, returning to the read-write verification module 300; and if the current test times are equal to the total aging test times, taking the total aging test times as the service life of the intelligent card.
based on the above-described embodiment, as a preferred embodiment, the burn-in test system includes:
and the judging module is used for judging whether the initial function of the intelligent card is normal or not by adopting the test script.
Based on the above embodiment, as a preferred embodiment, the method further includes:
and the secondary test module is used for modifying the preset measurement of the test environment and carrying out aging test on the smart card again.
Based on the above embodiment, as a preferred embodiment, the file system verification module 400 includes:
and the correction unit is used for taking the corrected value of the current test times as the service life of the intelligent card if the comparison results are inconsistent.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system provided by the embodiment, the description is relatively simple because the system corresponds to the method provided by the embodiment, and the relevant points can be referred to the method part for description.
the principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
it is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (8)
1. A method for burn-in testing of a smart card, comprising:
Configuring a system authority instruction and a file content updating list of the intelligent card; wherein the smart card is placed in a test environment of a preset measurement;
setting the total aging test times, the current test times and the file system check frequency;
scanning the smart card, and saving a file system structure, contents, configuration items and initial values as initial records;
performing read-write verification on the files in the file content updating list by using the system permission instruction and a preset value;
judging whether the file read-write verification is successful or not;
if the file read-write verification fails, taking the current test times as the service life of the intelligent card;
if the file read-write verification is successful, judging whether the current test times meet the verification frequency of the file system;
If not, returning to execute the step of performing read-write verification on the file in the file content updating list by using the system permission instruction and the preset value;
If so, scanning the current file system structure, the current file system content, the current configuration item and the current initial value of the intelligent card and comparing the current configuration item with the initial record to obtain a comparison result;
If the comparison result is inconsistent, taking the current test times as the service life of the intelligent card;
If the comparison result is consistent, adding 1 to the current test frequency, and judging whether the current test frequency is equal to the total aging test frequency or not;
If the current test times are not equal to the total aging test times, returning to the step of executing read-write verification of the files in the file content updating list by using the system permission instruction and the preset value;
and if the current test times are equal to the total aging test times, taking the total aging test times as the service life of the intelligent card.
2. The aging test method according to claim 1, wherein before performing read-write verification on the file in the file content update list by using the system permission instruction and the preset value, the method further comprises:
Judging whether the initial function of the intelligent card is normal or not by using the test script;
If so, executing a step of performing read-write verification on the file in the file content updating list by using the system permission instruction and a preset value;
if not, the initial function is detected again until the failure times exceed the preset times or the initial function is normal.
3. the burn-in test method of claim 1, further comprising:
and modifying the preset measurement of the test environment, and performing aging test on the smart card again.
4. the weathering test method of claim 1 wherein the predetermined measures include one or a combination of any of temperature, humidity, alkalinity and salinity.
5. the burn-in method of claim 1, wherein if the comparison result is inconsistent, taking the current number of tests as the life of the smart card comprises:
and if the comparison result is inconsistent, taking the corrected value of the current test times as the service life of the intelligent card.
6. An aging test system for a smart card, comprising:
the configuration module is used for configuring a system authority instruction and a file content update list of the intelligent card; wherein the smart card is placed in a test environment of a preset measurement; setting the total aging test times, the current test times and the file system check frequency;
The file system scanning module is used for scanning the intelligent card and saving a file system structure, content, configuration items and initial values as initial records;
The read-write verification module is used for performing read-write verification on the files in the file content updating list by using the system permission instruction and a preset value; judging whether the file read-write verification is successful or not; if the file read-write verification fails, taking the current test times as the service life of the intelligent card;
The file system checking module is used for judging whether the current test times meet the file system checking frequency or not when the read-write checking module successfully executes the file read-write verification; if not, returning to the read-write verification module; if so, scanning the current file system structure, the current file system content, the current configuration item and the current initial value of the intelligent card and comparing the current configuration item with the initial record to obtain a comparison result; if the comparison result is inconsistent, taking the current test times as the service life of the intelligent card;
the service life calculating module is used for adding 1 to the current test times when the comparison results obtained by the file system checking module are consistent, and judging whether the current test times are equal to the total aging test times or not; if the current test times are not equal to the total aging test times, returning to the read-write verification module; and if the current test times are equal to the total aging test times, taking the total aging test times as the service life of the intelligent card.
7. The burn-in test system of claim 6, further comprising:
the function testing module is used for judging whether the initial function of the intelligent card is normal or not by using the testing script; if yes, entering the read-write checking module; if not, the initial function is detected again until the failure times exceed the preset times or the initial function is normal.
8. The burn-in test system of claim 7, further comprising:
and the secondary test module is used for modifying the preset measurement of the test environment and carrying out aging test on the smart card again.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111338874A (en) * | 2020-02-29 | 2020-06-26 | 苏州浪潮智能科技有限公司 | Method and system for testing GPU (graphics processing Unit) rate switching |
| CN116312728A (en) * | 2023-05-15 | 2023-06-23 | 深圳市芯片测试技术有限公司 | TF card aging test method, device and system |
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