CN108763969A - A kind of method and system ensureing PSAM card data safeties - Google Patents
A kind of method and system ensureing PSAM card data safeties Download PDFInfo
- Publication number
- CN108763969A CN108763969A CN201810880239.0A CN201810880239A CN108763969A CN 108763969 A CN108763969 A CN 108763969A CN 201810880239 A CN201810880239 A CN 201810880239A CN 108763969 A CN108763969 A CN 108763969A
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- China
- Prior art keywords
- bundling
- card data
- psam card
- condensed document
- key
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 32
- 238000007906 compression Methods 0.000 claims abstract description 32
- 230000006837 decompression Effects 0.000 claims description 21
- 238000010586 diagram Methods 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/77—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in smart cards
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Computer Security & Cryptography (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Health & Medical Sciences (AREA)
- Bioethics (AREA)
- General Health & Medical Sciences (AREA)
- Storage Device Security (AREA)
Abstract
The present invention discloses a kind of method and system ensureing PSAM card data safeties, and method includes：Key is written in PSAM card data, and then the PSAM card data after the write-in key are subjected to bundling compression, obtains bundling condensed document, and then store the obtained bundling condensed document, guarantee PSAM card data safeties are realized to reach.
Description
Technical field
The present invention relates to technical field of data security more particularly to a kind of method ensureing PSAM card data safeties and it is
System.
Background technology
PSAM (Purchase Secure Access Module, point of sales terminal secure access module) blocks, and is embedded in each
Terminal Type equipment provides the safeguard protection of IC card rank for it, and PSAM cards also have in addition to having subscriber card function and calculate work(
Energy.Calculation type key is increased in PSAM cards.PSAM cards are mainly used in commercial POS, site terminal, the equipment such as direct-connected terminal
On, there is security control management function, support multistage hair fastener mechanism, be suitable for more application environments.Feature is to support a card to answer
With between each application independently of each other (applying, firewall functionality) more.Support that multiple file types include binary file, fixed length
Record file, variable-length record file, circular file, wallet file.
Although increasing calculation type key in existing PSAM cards, which only carries out the PSAM cards
Safety guarantee, and can not ensure the safety of data in PSAM cards, the prior art, which also cannot achieve, ensures PSAM card data safeties.
Invention content
The present invention provides a kind of method and system ensureing PSAM card data safeties, cannot achieve to solve the prior art
The technical issues of ensureing PSAM card data safeties.
In order to solve the above technical problems, the present invention provides a kind of method ensureing PSAM card data safeties, including：
Key is written in PSAM card data；
PSAM card data after said write key are subjected to bundling compression, obtain bundling condensed document；
The bundling condensed document obtained described in storage.
Wherein, described that key is written in PSAM card data, including：
Using Encryption Algorithm mode, a random key is calculated, the random key being calculated is written to
In PSAM card data.
Wherein, before the bundling condensed document obtained described in the storage, further include：
A wherein bundling condensed document in the obtained bundling condensed document is encrypted.
Wherein, after the bundling condensed document obtained described in the storage, further include：
The bundling condensed document obtained described in the storage is subjected to bundling decompression, after obtaining said write key
PSAM card data.
Wherein, described that the bundling condensed document obtained described in the storage is subjected to bundling decompression, obtain described write
Enter the PSAM card data after key, including：
An encrypted wherein bundling condensed document for the storage is decrypted, described one after being decrypted
Bundling condensed document, by after the obtained decryption the bundling condensed document and the storage described in obtain other
Bundling condensed document carries out bundling decompression together, obtains the PSAM card data after said write key.
In order to solve the above technical problems, the present invention also provides a kind of systems ensureing PSAM card data safeties, including：
Writing unit, compression unit, storage unit；
Said write unit, for key to be written in PSAM card data；
The compression unit obtains bundling pressure for the PSAM card data after said write key to be carried out bundling compression
Contracting document；
The storage unit, for storing the obtained bundling condensed document.
Wherein, said write unit is specifically used for：
Using Encryption Algorithm mode, a random key is calculated, the random key being calculated is written to
In PSAM card data.
Wherein, the compression unit, is specifically used for：
A wherein bundling condensed document in the obtained bundling condensed document is encrypted.
Wherein, it is described ensure PSAM card data safeties system, further include：
Decompression units, the bundling condensed document for will be obtained described in the storage carry out bundling decompression, obtain institute
State the PSAM card data after write-in key.
Wherein, the decompression units, are specifically used for：
An encrypted wherein bundling condensed document for the storage is decrypted, described one after being decrypted
Bundling condensed document, by after the obtained decryption the bundling condensed document and the storage described in obtain other
Bundling condensed document carries out bundling decompression together, obtains the PSAM card data after said write key.
The method provided by the invention for ensureing PSAM card data safeties, including：Key is written in PSAM card data, into
And the PSAM card data after the write-in key are subjected to bundling compression, bundling condensed document is obtained, and then store obtained point
Condensed document is rolled up, guarantee PSAM card data safeties are realized to reach.
The system provided by the invention for ensureing PSAM card data safeties, including：Writing unit, compression unit, storage unit；
Writing unit, for key to be written in PSAM card data；Compression unit is used for the PSAM card data after the write-in key
Bundling compression is carried out, bundling condensed document is obtained；Storage unit, for storing the obtained bundling condensed document, to reach
It realizes and ensures PSAM card data safeties.
Description of the drawings
Fig. 1 is the flow diagram for the method that the present invention ensures PSAM card data safeties；
Fig. 2 is the structural schematic diagram for the system that the present invention ensures PSAM card data safeties.
Specific implementation mode
With reference to the accompanying drawings and examples, the present invention is described in further detail.It is emphasized that following implement
Example is merely to illustrate the present invention, but is not defined to the scope of the present invention.Likewise, following embodiment is only the portion of the present invention
Point embodiment and not all embodiments, the institute that those of ordinary skill in the art are obtained without creative efforts
There are other embodiments, shall fall within the protection scope of the present invention.
The present invention provides a kind of method ensureing PSAM card data safeties.
Fig. 1 is referred to, Fig. 1 is the flow diagram for the method that the present invention ensures PSAM card data safeties, guarantee of the present invention
The method of PSAM card data safeties, including：
S101：Key is written in PSAM card data.
Wherein, key is written in PSAM card data, may include：
Using Encryption Algorithm mode, a random key is calculated, the random key that this is calculated is written to
In PSAM card data.
Wherein, before being written to key in PSAM card data, can also include：
Obtain PSAM card data.
Wherein, key is written in PSAM card data, may include：
Key is written in the PSAM card data got.
Wherein, key is written in PSAM card data, may include：
Using Encryption Algorithm mode, a random key is calculated, the random key that this is calculated is written to this
In the PSAM card data got.
S102：PSAM card data after the write-in key are subjected to bundling compression, obtain bundling condensed document.
Wherein, the PSAM card data after the write-in key are subjected to bundling compression, obtain bundling condensed document, can wraps
It includes：
Using bundling compress mode, the PSAM card data after the write-in key are subjected to bundling compression, obtain bundling compression
Document.
S103：Store the obtained bundling condensed document.
Wherein, before storing the obtained bundling condensed document, can also include：
A wherein bundling condensed document in bundling condensed document that this is obtained is encrypted.
Wherein, the obtained bundling condensed document is stored, may include：
It stores an encrypted wherein bundling condensed document and stores other obtained bundling condensed documents.
Wherein, after storing the obtained bundling condensed document, can also include：
The obtained bundling condensed document of the storage is subjected to bundling decompression, obtains the PSAM cards after the write-in key
Data.
Wherein, the obtained bundling condensed document of the storage is subjected to bundling decompression, after obtaining the write-in key
PSAM card data may include：
An encrypted wherein bundling condensed document for the storage is decrypted, the bundling pressure after being decrypted
Contracting document, by other obtained bundling condensed documents one of the bundling condensed document and the storage after the obtained decryption
It rises and carries out bundling decompression, obtain the PSAM card data after the write-in key.
The present invention also provides a kind of systems ensureing PSAM card data safeties.
Fig. 2 is referred to, Fig. 2 is the structural schematic diagram for the system that the present invention ensures PSAM card data safeties, guarantee of the present invention
The system of PSAM card data safeties, including：Writing unit 201, compression unit 202, storage unit 203.
Writing unit 201, for key to be written in PSAM card data.
Compression unit 202 obtains bundling compression text for the PSAM card data after the write-in key to be carried out bundling compression
Shelves.
Storage unit 203, for storing the obtained bundling condensed document.
Wherein, writing unit 201 can be specifically used for：
Using Encryption Algorithm mode, a random key is calculated, the random key that this is calculated is written to
In PSAM card data.
Wherein, the present invention ensure PSAM card data safeties system, can also include：
Acquiring unit (does not indicate) in figure, for obtaining PSAM card data.
Wherein, writing unit can be specifically used for：
Key is written in the PSAM card data got.
Wherein, writing unit can be specifically used for：
Using Encryption Algorithm mode, a random key is calculated, the random key that this is calculated is written to this
In the PSAM card data got.
Wherein, compression unit 202 can be specifically used for：
Using bundling compress mode, the PSAM card data after the write-in key are subjected to bundling compression, obtain bundling compression
Document.
Wherein, compression unit 202 can be specifically used for：
A wherein bundling condensed document in bundling condensed document that this is obtained is encrypted.
Wherein, storage unit 203 can be specifically used for：
It stores an encrypted wherein bundling condensed document and stores other obtained bundling condensed documents.
Wherein, the present invention ensure PSAM card data safeties system, can also include：
Decompression units (do not indicate) in figure, and the bundling condensed document for obtaining this of the storage carries out bundling decompression
Contracting, obtains the PSAM card data after the write-in key.
Wherein, decompression units can be specifically used for：
An encrypted wherein bundling condensed document for the storage is decrypted, the bundling pressure after being decrypted
Contracting document, by other obtained bundling condensed documents one of the bundling condensed document and the storage after the obtained decryption
It rises and carries out bundling decompression, obtain the PSAM card data after the write-in key.
The method provided by the invention for ensureing PSAM card data safeties, including：Key is written in PSAM card data, into
And the PSAM card data after the write-in key are subjected to bundling compression, bundling condensed document is obtained, and then store obtained point
Condensed document is rolled up, guarantee PSAM card data safeties are realized to reach.
The system provided by the invention for ensureing PSAM card data safeties, including：Writing unit, compression unit, storage unit；
Writing unit, for key to be written in PSAM card data；Compression unit is used for the PSAM card data after the write-in key
Bundling compression is carried out, bundling condensed document is obtained；Storage unit, for storing the obtained bundling condensed document, to reach
It realizes and ensures PSAM card data safeties.
In several embodiments provided by the present invention, it should be understood that disclosed system, device and method can
To realize by another way.For example, device embodiments described above are only schematical, for example, module or
The division of unit, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units
Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, institute
Display or the mutual coupling, direct-coupling or communication connection discussed can be by some interfaces, device or unit
INDIRECT COUPLING or communication connection can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, and be shown as unit
Component may or may not be physical unit, you can be located at a place, or may be distributed over multiple networks
On unit.Some or all of unit therein can be selected according to the actual needs to realize the mesh of present embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also may be used
It, can also be during two or more units be integrated in one unit to be that each unit physically exists alone.It is above-mentioned integrated
The form that hardware had both may be used in unit is realized, can also be realized in the form of SFU software functional unit.
It, can if integrated unit is realized in the form of SFU software functional unit and when sold or used as an independent product
To be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention substantially or
Say that all or part of the part that contributes to existing technology or the technical solution can embody in the form of software products
Out, which is stored in a storage medium, including some instructions are used so that a computer equipment
(can be personal computer, server or the network equipment etc.) or processor (processor) execute each implementation of the present invention
The all or part of step of methods.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. it is various
The medium of program code can be stored.
The foregoing is merely the section Examples of the present invention, are not intended to limit protection scope of the present invention, every utilization
Equivalent device or equivalent process transformation made by description of the invention and accompanying drawing content are applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. a kind of method ensureing PSAM card data safeties, which is characterized in that including：
Key is written in PSAM card data；
PSAM card data after said write key are subjected to bundling compression, obtain bundling condensed document；
The bundling condensed document obtained described in storage.
2. the method for ensureing PSAM card data safeties as described in claim 1, which is characterized in that described to be written to key
In PSAM card data, including：
Using Encryption Algorithm mode, a random key is calculated, the random key being calculated is written to PSAM
In card data.
3. the method for ensureing PSAM card data safeties as claimed in claim 1 or 2, which is characterized in that described in the storage
Before obtained bundling condensed document, further include：
A wherein bundling condensed document in the obtained bundling condensed document is encrypted.
4. the method for ensureing PSAM card data safeties as claimed in claim 3, which is characterized in that obtained described in the storage
Bundling condensed document after, further include：
The bundling condensed document obtained described in the storage is subjected to bundling decompression, obtains the PSAM after said write key
Card data.
5. the method for ensureing PSAM card data safeties as claimed in claim 4, which is characterized in that the institute by the storage
The bundling condensed document stated carries out bundling decompression, obtains the PSAM card data after said write key, including：
An encrypted wherein bundling condensed document for the storage is decrypted, the bundling after being decrypted
Condensed document, by after the obtained decryption the bundling condensed document and the storage described in obtained other bundlings
Condensed document carries out bundling decompression together, obtains the PSAM card data after said write key.
6. a kind of system ensureing PSAM card data safeties, which is characterized in that including：
Writing unit, compression unit, storage unit；
Said write unit, for key to be written in PSAM card data；
The compression unit obtains bundling compression text for the PSAM card data after said write key to be carried out bundling compression
Shelves；
The storage unit, for storing the obtained bundling condensed document.
7. the system for ensureing PSAM card data safeties as claimed in claim 6, which is characterized in that said write unit, specifically
For：
Using Encryption Algorithm mode, a random key is calculated, the random key being calculated is written to PSAM
In card data.
8. the system of guarantee PSAM card data safeties as claimed in claims 6 or 7, which is characterized in that the compression unit, tool
Body is used for：
A wherein bundling condensed document in the obtained bundling condensed document is encrypted.
9. the system for ensureing PSAM card data safeties as claimed in claim 8, which is characterized in that the guarantee PSAM card data
Safety system, further include：
Decompression units, the bundling condensed document for will be obtained described in the storage carry out bundling decompression, obtain described write
Enter the PSAM card data after key.
10. the system for ensureing PSAM card data safeties as claimed in claim 9, which is characterized in that the decompression units, specifically
For：
An encrypted wherein bundling condensed document for the storage is decrypted, the bundling after being decrypted
Condensed document, by after the obtained decryption the bundling condensed document and the storage described in obtained other bundlings
Condensed document carries out bundling decompression together, obtains the PSAM card data after said write key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810880239.0A CN108763969A (en) | 2018-08-03 | 2018-08-03 | A kind of method and system ensureing PSAM card data safeties |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810880239.0A CN108763969A (en) | 2018-08-03 | 2018-08-03 | A kind of method and system ensureing PSAM card data safeties |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108763969A true CN108763969A (en) | 2018-11-06 |
Family
ID=63968872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810880239.0A Pending CN108763969A (en) | 2018-08-03 | 2018-08-03 | A kind of method and system ensureing PSAM card data safeties |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108763969A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542319A (en) * | 2010-12-10 | 2012-07-04 | 上海华虹集成电路有限责任公司 | Method for protecting keys of purchase secure access module (PSAM) card |
| CN104022886A (en) * | 2014-06-27 | 2014-09-03 | 深圳市捷顺科技实业股份有限公司 | Safety authentication method applied to parking lot as well as related device and system |
| CN106790302A (en) * | 2017-03-22 | 2017-05-31 | 无锡紫光存储系统有限公司 | Data ciphering method, data decryption method and system |
-
2018
- 2018-08-03 CN CN201810880239.0A patent/CN108763969A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542319A (en) * | 2010-12-10 | 2012-07-04 | 上海华虹集成电路有限责任公司 | Method for protecting keys of purchase secure access module (PSAM) card |
| CN104022886A (en) * | 2014-06-27 | 2014-09-03 | 深圳市捷顺科技实业股份有限公司 | Safety authentication method applied to parking lot as well as related device and system |
| CN106790302A (en) * | 2017-03-22 | 2017-05-31 | 无锡紫光存储系统有限公司 | Data ciphering method, data decryption method and system |
Non-Patent Citations (1)
| Title |
|---|
| 彬彬: "多卷加密 网盘泄露也安全" * |
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Application publication date: 20181106 |