CN106302336A - A kind of method, system and equipment realizing user fingerprints safety based on cloud computing - Google Patents
A kind of method, system and equipment realizing user fingerprints safety based on cloud computing Download PDFInfo
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- CN106302336A CN106302336A CN201510268056.XA CN201510268056A CN106302336A CN 106302336 A CN106302336 A CN 106302336A CN 201510268056 A CN201510268056 A CN 201510268056A CN 106302336 A CN106302336 A CN 106302336A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0861—Network architectures or network communication protocols for network security for authentication of entities using biometrical features, e.g. fingerprint, retina-scan
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
Abstract
The invention discloses a kind of method, system and equipment realizing user fingerprints safety based on cloud computing, including: a. sets up cipher key store in cloud fingerprint platform, and the key information in cipher key store includes platform keyword, business keyword, service creation timestamp；B. in cloud fingerprint platform, set up random salt maker；C. in cloud fingerprint platform, set up key and salt terminal distribution management module, stochastic generation salt associated with association key preservation, the renewal of real-time management key and salt with associate, and provide interface, allow the key of terminal acquisition corresponding service and salt；D. the finger print information extracted is digitized by terminal, obtains key and the salt of corresponding service from cloud fingerprint platform, then finger print information is encrypted salt adding and produces fingerprint cryptographic Hash, and fingerprint cryptographic Hash passes to the storage of cloud fingerprint platform.By the invention it is possible to ensure the safety of user fingerprints information.
Description
Technical field
The present invention relates to field of information security technology, particularly relate to a kind of technology realizing user fingerprints safety based on cloud computing.
Background technology
Along with intelligence community, electricity business flourish, substantial amounts of information needs authentication vs. authorization.And current, user verifies that mandate uses the mode such as mobile phone identifying code or scanning Quick Response Code mostly, and these modes are all closely related with mobile phone.If lost mobile phone, without electricity, the number of changing or relevant cellphone information by illegal acquisition, replicate, use, all user can be brought hidden danger for security or use on inconvenience.
Using the mode of fingerprint recognition, fingerprint has the features such as uniqueness, safety, convenience to user, more safer than mobile phone and convenient.But, finger print information uploads to cloud platform and by the finger print information of cloud platform large scale collection user, there is certain risk, if the finger print information that user is stored in cloud platform is trapped, reveals, and user security will be brought harm greatly by this.
Summary of the invention
The purpose of the present invention is exactly to be to propose a kind of method, system and equipment realizing user fingerprints safety based on cloud computing, to ensure the safety of user fingerprints information.
For reaching this purpose, embodiments of the invention by the following technical solutions:
A kind of method realizing user fingerprints safety based on cloud computing, comprises the following steps:
A. setting up cipher key store in cloud fingerprint platform, the key information in cipher key store includes platform keyword, business keyword, service creation timestamp；
B. in cloud fingerprint platform, set up random salt maker；
C. in cloud fingerprint platform, set up key and salt terminal distribution management module, stochastic generation salt associated with association key preservation, the renewal of real-time management key and salt with associate, and provide interface, allow the key of terminal acquisition corresponding service and salt；
D. the finger print information extracted is digitized by terminal, obtains key and the salt of corresponding service from cloud fingerprint platform, then finger print information is encrypted salt adding and produces fingerprint cryptographic Hash, and fingerprint cryptographic Hash passes to the storage of cloud fingerprint platform.
A kind of system realizing user fingerprints safety based on cloud computing, including:
Cloud fingerprint platform, this platform includes cipher key store, random salt maker, key and salt terminal distribution management module, wherein the key information in cipher key store includes platform keyword, business keyword, service creation timestamp, key is used for associating stochastic generation salt with association key preservation with salt terminal distribution management module, the renewal of real-time management key and salt with associate, and interface is provided, allows terminal obtain key and the salt of corresponding service；
Terminal, for being digitized by the finger print information extracted, obtains key and the salt of corresponding service from cloud fingerprint platform, finger print information is encrypted salt adding and produces fingerprint cryptographic Hash, and fingerprint cryptographic Hash passes to the storage of cloud fingerprint platform.
A kind of cloud fingerprint platform realizing user fingerprints safety based on cloud computing, including:
Cipher key store, the key information in cipher key store includes platform keyword, business keyword, service creation timestamp；
Random salt maker, for producing the salt of a random number；
Key and salt terminal distribution management module, for stochastic generation salt to be associated preservation with association key, the renewal of real-time management key and salt with associate, and provide interface, allow terminal obtain the key of corresponding service and salt is encrypted salt adding and produces fingerprint cryptographic Hash finger print information；
Finger print information memory management unit, the fingerprint cryptographic Hash for terminal being uploaded carries out storage management.
A kind of terminal realizing user fingerprints safety based on cloud computing, including:
Fingerprint input device, for being digitized the finger print information extracted；
Platform service information acquisition device, for obtaining key and the salt of corresponding service from cloud fingerprint platform；
Encryption device, for fingerprint digital information, according to obtaining key and the salt of corresponding service from cloud fingerprint platform, is encrypted salt adding and produces fingerprint cryptographic Hash；
Information transmitting apparatus, for passing to the storage of cloud fingerprint platform by fingerprint cryptographic Hash.
The invention has the beneficial effects as follows: can be seen that from the technical scheme of the embodiment of the present invention, key includes platform and service feature information, it is encrypted and salt adding with this double secret key finger print information, so upload to that cloud platform stores is not the original finger print information of user, but the fingerprint cryptographic Hash after encryption salt adding, there is irreversibility, and with cloud fingerprint recognition platform, the characteristic of business, depart from this platform, operation system, use the finger print information of cloud fingerprint recognition platform, will be invalid.Simultaneously as key stabs information between including sometimes, salt is also to use random fashion to generate, and therefore encryption salt adding has randomness and transmutability, is diverse by the cryptographic Hash making the same user fingerprints of different times upload to cloud platform storage.Therefore, the present invention can ensure the safety of user fingerprints information.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the exemplary embodiment of the present invention and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.
Fig. 1 is the flow chart of a kind of method realizing user fingerprints safety based on cloud computing that the embodiment of the present invention provides；
Fig. 2 is the structure chart of a kind of system realizing user fingerprints safety based on cloud computing that the embodiment of the present invention provides；
Fig. 3 is the structure chart of a kind of cloud fingerprint platform realizing user fingerprints safety based on cloud computing that the embodiment of the present invention provides；
Fig. 4 is the structure chart of a kind of terminal realizing user fingerprints safety based on cloud computing that the embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing of the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on embodiments of the invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
A kind of method realizing user fingerprints safety based on cloud computing that embodiment as shown in Figure 1 provides, comprises the following steps:
A. setting up cipher key store in cloud fingerprint platform, the key information in cipher key store includes platform keyword, business keyword, service creation timestamp, operation code；
B. in cloud fingerprint platform, set up random salt maker；
C. in cloud fingerprint platform, set up key and salt terminal distribution management module, stochastic generation salt associated with association key preservation, the renewal of real-time management key and salt with associate, and provide interface, allow the key of terminal acquisition corresponding service and salt；
D. the finger print information extracted is digitized by terminal, obtains key and the salt of corresponding service from cloud fingerprint platform, then finger print information is encrypted salt adding and produces fingerprint cryptographic Hash, and fingerprint cryptographic Hash passes to the storage of cloud fingerprint platform.
In the present embodiment, in described cipher key store, key presses platform and business classification, and packet preserves, and nullifies expired key in real time according to service creation timestamp, generates new effective key.Thus it is easy to key by last state, and platform and traffic performance carry out Classification Management effectively.
In the present embodiment, fingerprint digital information is not done persistence and processes, after fingerprint cryptographic Hash produces, in internal memory, i.e. remove fingerprint digital information, to avoid the leakage of fingerprint digital information, improve safety.
In the present embodiment, AES is on the basis of SHA256 algorithm and PBKDF2 algorithm, is used alternatingly and successive ignition is carried out, preferably more than 10000 times.This algorithm is serial algorithm, can change parameter with iterations to generate different AESs according to demand for security, thus can ensure the safety requirements of finger print information under miscellaneous service and user situation.
In the present embodiment, cloud fingerprint platform is understood periodically or according to security situation, require to re-type finger print information to user, user, also dependent on oneself needing again to update oneself fingerprint cryptographic Hash in the storage of cloud fingerprint platform, thus can ensure that storing fingerprint cryptographic Hash in platform has good ageing.
In the present embodiment, when fingerprint contrast authorizes, the contrast of fingerprint cryptographic Hash ciphertext can occur beyond the clouds or terminal as required.If it occur that in terminal, then terminal obtains fingerprint cryptographic Hash from cloud fingerprint platform, the fingerprint cryptographic Hash contrast then produced with terminal self, coincide and just authorizes；If it occur that beyond the clouds, then cloud fingerprint platform is by the fingerprint cryptographic Hash of storage, and the fingerprint cryptographic Hash uploaded with terminal contrasts, and coincide and just authorizes, and Authorization result information is fed back to this terminal.
A kind of system realizing user fingerprints safety based on cloud computing that embodiment as shown in Figure 2 provides, it is characterised in that including:
Cloud fingerprint platform, this platform includes cipher key store, random salt maker, key and salt terminal distribution management module, wherein the key information in cipher key store includes platform keyword, business keyword, service creation timestamp, operation code, key is used for associating stochastic generation salt with association key preservation with salt terminal distribution management module, the renewal of real-time management key and salt with associate, and interface is provided, allows terminal obtain key and the salt of corresponding service；
Terminal, for being digitized by the finger print information extracted, obtains key and the salt of corresponding service from cloud fingerprint platform, finger print information is encrypted salt adding and produces fingerprint cryptographic Hash, and fingerprint cryptographic Hash passes to the storage of cloud fingerprint platform..
In the present embodiment, in described cipher key store, key presses platform and business classification, and packet preserves, and nullifies expired key in real time according to service creation timestamp, generates new effective key.Thus it is easy to key by last state, and platform and traffic performance carry out Classification Management effectively.
In the present embodiment, fingerprint digital information is not done persistence and processes, also include removing device in described terminal, after producing in fingerprint cryptographic Hash, fingerprint digital information in internal memory is removed, to avoid the leakage of fingerprint digital information, is improved safety.
In the present embodiment, AES is on the basis of SHA256 algorithm and PBKDF2 algorithm, is used alternatingly and successive ignition is carried out, preferably more than 10000 times.This algorithm is serial algorithm, can change parameter with iterations to generate different AESs according to demand for security, thus can ensure the safety requirements of finger print information under miscellaneous service and user situation.
In the present embodiment, cloud fingerprint platform is understood periodically or according to security situation, require to re-type finger print information to user, user, also dependent on oneself needing again to update oneself fingerprint cryptographic Hash in the storage of cloud fingerprint platform, thus can ensure that storing fingerprint cryptographic Hash in platform has good ageing.
In the present embodiment, it is possible to achieve fingerprint contrast authorizes, and the contrast of fingerprint cryptographic Hash ciphertext can occur beyond the clouds or terminal as required.If it occur that in terminal, the most described terminal also including, fingerprint contrasts authorization device, for fingerprint cryptographic Hash will be obtained from cloud fingerprint platform, the fingerprint cryptographic Hash contrast then produced with terminal self, coincide and just authorizes；If it occur that beyond the clouds, also including that fingerprint contrasts authorization device in the most described cloud fingerprint platform, for the fingerprint cryptographic Hash stored by cloud fingerprint platform, the fingerprint cryptographic Hash uploaded with terminal contrasts, and coincide and just authorizes, and Authorization result information is fed back to this terminal.
A kind of cloud fingerprint platform realizing user fingerprints safety based on cloud computing that embodiment as shown in Figure 3 provides, including:
Cipher key store, the key information in cipher key store includes platform keyword, business keyword, service creation timestamp, operation code；
Random salt maker, for producing the salt of a random number；
Key and salt terminal distribution management module, for stochastic generation salt to be associated preservation with association key, the renewal of real-time management key and salt with associate, and provide interface, allow terminal obtain the key of corresponding service and salt is encrypted salt adding and produces fingerprint cryptographic Hash finger print information；
Finger print information memory management unit, the fingerprint cryptographic Hash for terminal being uploaded carries out storage management.
In the present embodiment, in described cipher key store, key presses platform and business classification, and packet preserves, and nullifies expired key in real time according to service creation timestamp, generates new effective key.Thus it is easy to key by last state, and platform and traffic performance carry out Classification Management effectively.
In the present embodiment, cloud fingerprint platform is understood periodically or according to security situation, require to re-type finger print information to user, user, also dependent on oneself needing again to update oneself fingerprint cryptographic Hash in the storage of cloud fingerprint platform, thus can ensure that storing fingerprint cryptographic Hash in platform has good ageing.
In the present embodiment, also including that fingerprint contrasts authorization device, for the fingerprint cryptographic Hash stored by cloud fingerprint platform, the fingerprint cryptographic Hash uploaded with described terminal contrasts, and coincide and just authorizes, and Authorization result information is fed back to this terminal.
A kind of terminal realizing user fingerprints safety based on cloud computing that embodiment as shown in Figure 4 provides, it is characterised in that including:
Fingerprint input device, for being digitized the finger print information extracted；
Platform service information acquisition device, for obtaining key and the salt of corresponding service from cloud fingerprint platform；
Encryption device, for fingerprint digital information, according to obtaining key and the salt of corresponding service from cloud fingerprint platform, is encrypted salt adding and produces fingerprint cryptographic Hash；
Information transmitting apparatus, for passing to the storage of cloud fingerprint platform by fingerprint cryptographic Hash.
In the present embodiment, fingerprint digital information is not done persistence and processes, also include removing device in described terminal, after producing in fingerprint cryptographic Hash, fingerprint digital information in internal memory is removed, to avoid the leakage of fingerprint digital information, is improved safety.
In the present embodiment, AES is on the basis of SHA256 algorithm and PBKDF2 algorithm, is used alternatingly and successive ignition is carried out, preferably more than 10000 times.This algorithm is serial algorithm, can change parameter with iterations to generate different AESs according to demand for security, thus can ensure the safety requirements of finger print information under miscellaneous service and user situation.
In the present embodiment, also include that fingerprint contrasts authorization device, for the fingerprint cryptographic Hash that terminal is obtained from cloud fingerprint platform, the fingerprint cryptographic Hash contrast produced with terminal self, coincide and just authorize.
In the present embodiment, terminal can use equipment such as having the mobile phone of fingerprint extraction function, pad panel computer, express delivery cabinet, AES therein and other auxiliary function are packaged into security module, and this modular algorithm can be updated according to demand for security, and the mode of renewal is utilized in line upgrading mode.Security module provides interface to be available for java, and c, c++, javascript etc. call, and are java call method in the following example:
Publice String setSecretKey(String fingerCode,String key ,String salt){
……
return fingerHash;
}
FingerCode is fingerprint digital information, and key is key, and salt is 32 random salts, and fingerHash is the fingerprint cryptographic Hash obtained through encryption salt adding.
Key and salt that different business and different time are generated can be different, and the fingerprint cryptographic Hash therefore obtained is the most entirely different.This ensure that the service attribute of fingerprint, the finger print information departing from business will be unable to use, and also ensure that the timeliness of fingerprint cryptographic Hash simultaneously.
The embodiment of the present invention can be used in the express delivery cabinet safety guarantee of wisdom property, and the fingerprint cryptographic Hash obtaining picking people when courier's stock from high in the clouds is stored in terminal.During picking people's picking, express delivery cabinet obtains the fingerprint Hash information contrast mandate of picking people's fingerprint Hash information and storage.
From embodiments of the invention it can be seen that the present invention is by encryption salt adding, and the powerful operating capability of cloud platform, user's original fingerprint binary information is become the fingerprint cryptographic Hash with platform and business proprietary attribute.According to business scenario, fingerprint cryptographic Hash can pass to platform, or carry out contrast with the fingerprint cryptographic Hash of terminal storage and authorize.Depart from this platform, operation system, use the finger print information of cloud fingerprint recognition platform, will be invalid.Simultaneously as the randomness of encryption salt adding and transmutability, it is entirely different by the cryptographic Hash making the same user fingerprints of different times upload to cloud platform storage, thus has ensured the safety of user fingerprints information.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All any modification, equivalent substitution and improvement etc. made within the spirit and principles in the present invention, within all should being included in protection scope of the present invention.
Claims (25)
1. the method realizing user fingerprints safety based on cloud computing, it is characterised in that comprise the following steps:
A. setting up cipher key store in cloud fingerprint platform, the key information in cipher key store includes platform keyword, business keyword, service creation timestamp；
B. in cloud fingerprint platform, set up random salt maker；
C. in cloud fingerprint platform, set up key and salt terminal distribution management module, stochastic generation salt associated with association key preservation, the renewal of real-time management key and salt with associate, and provide interface, allow the key of terminal acquisition corresponding service and salt；
D. the finger print information extracted is digitized by terminal, obtains key and the salt of corresponding service from cloud fingerprint platform, then finger print information is encrypted salt adding and produces fingerprint cryptographic Hash, and fingerprint cryptographic Hash passes to the storage of cloud fingerprint platform.
A kind of method realizing user fingerprints safety based on cloud computing the most according to claim 1, it is characterized in that in described cipher key store, key presses platform and business classification, and packet preserves, and nullify expired key in real time according to service creation timestamp, generate new effective key.
A kind of method realizing user fingerprints safety based on cloud computing the most according to claim 1, it is characterised in that in described step d, after fingerprint cryptographic Hash produces, i.e. removes fingerprint digital information in internal memory.
A kind of method realizing user fingerprints safety based on cloud computing the most according to claim 1, it is characterised in that described AES is on the basis of SHA256 algorithm and PBKDF2 algorithm, is used alternatingly and successive ignition is carried out.
A kind of method realizing user fingerprints safety based on cloud computing the most according to claim 4, it is characterised in that described AES is serial algorithm, can change parameter with iterations to generate different AESs according to demand for security.
A kind of method realizing user fingerprints safety based on cloud computing the most according to claim 1, it is characterized in that cloud fingerprint platform is understood periodically or according to security situation, requiring to re-type finger print information to user, user is also dependent on oneself needing again to update oneself fingerprint cryptographic Hash in the storage of cloud fingerprint platform.
A kind of method realizing user fingerprints safety based on cloud computing the most according to claim 1, characterized by further comprising fingerprint contrast to authorize, terminal obtains fingerprint cryptographic Hash from cloud fingerprint platform, the fingerprint cryptographic Hash contrast then produced with terminal self, coincide and just authorizes.
A kind of method realizing user fingerprints safety based on cloud computing the most according to claim 1, characterized by further comprising fingerprint contrast to authorize, cloud fingerprint platform is by the fingerprint cryptographic Hash of storage, the fingerprint cryptographic Hash uploaded with terminal contrasts, it coincide and just authorize, and Authorization result information is fed back to this terminal.
9. the system realizing user fingerprints safety based on cloud computing, it is characterised in that including:
Cloud fingerprint platform, this platform includes cipher key store, random salt maker, key and salt terminal distribution management module, wherein the key information in cipher key store includes platform keyword, business keyword, service creation timestamp, key is used for associating stochastic generation salt with association key preservation with salt terminal distribution management module, the renewal of real-time management key and salt with associate, and interface is provided, allows terminal obtain key and the salt of corresponding service；
Terminal, for being digitized by the finger print information extracted, obtains key and the salt of corresponding service from cloud fingerprint platform, finger print information is encrypted salt adding and produces fingerprint cryptographic Hash, and fingerprint cryptographic Hash passes to the storage of cloud fingerprint platform.
A kind of system realizing user fingerprints safety based on cloud computing the most according to claim 9, it is characterized in that in described cipher key store, key presses platform and business classification, and packet preserves, and nullify expired key in real time according to service creation timestamp, generate new effective key.
11. a kind of systems realizing user fingerprints safety based on cloud computing according to claim 9, it is characterised in that also include removing device in described terminal, after producing in fingerprint cryptographic Hash, the fingerprint digital information in internal memory is removed.
12. a kind of systems realizing user fingerprints safety based on cloud computing according to claim 9, it is characterised in that the AES that described encryption is used, be on the basis of SHA256 algorithm and PBKDF2 algorithm, is used alternatingly and successive ignition is carried out.
13. a kind of systems realizing user fingerprints safety based on cloud computing according to claim 12, it is characterised in that described AES is serial algorithm, can change parameter with iterations to generate different AESs according to demand for security.
14. a kind of systems realizing user fingerprints safety based on cloud computing according to claim 9, it is characterized in that described cloud fingerprint platform is understood periodically or according to security situation, requiring to re-type finger print information to user, user is also dependent on oneself needing again to update oneself fingerprint cryptographic Hash in the storage of cloud fingerprint platform.
15. a kind of systems realizing user fingerprints safety based on cloud computing according to claim 9, it is characterized in that described terminal also including, fingerprint contrasts authorization device, for the fingerprint cryptographic Hash that terminal is obtained from cloud fingerprint platform, the fingerprint cryptographic Hash contrast produced with terminal self, coincide and just authorizes.
16. a kind of systems realizing user fingerprints safety based on cloud computing according to claim 9, it is characterized in that described cloud fingerprint platform also including, fingerprint contrasts authorization device, for the fingerprint cryptographic Hash that cloud fingerprint platform is stored, the fingerprint cryptographic Hash uploaded with described terminal contrasts, it coincide and just authorize, and Authorization result information is fed back to this terminal.
17. 1 kinds of cloud fingerprint platforms realizing user fingerprints safety based on cloud computing, it is characterised in that including:
Cipher key store, the key information in cipher key store includes platform keyword, business keyword, service creation timestamp；
Random salt maker, for producing the salt of a random number；
Key and salt terminal distribution management module, for stochastic generation salt to be associated preservation with association key, the renewal of real-time management key and salt with associate, and provide interface, allow terminal obtain the key of corresponding service and salt is encrypted salt adding and produces fingerprint cryptographic Hash finger print information；
Finger print information memory management unit, the fingerprint cryptographic Hash for terminal being uploaded carries out storage management.
18. a kind of cloud fingerprint platforms realizing user fingerprints safety based on cloud computing according to claim 17, it is characterized in that in described cipher key store, key presses platform and business classification, and packet preserves, and nullify expired key in real time according to service creation timestamp, generate new effective key.
19. a kind of cloud fingerprint platforms realizing user fingerprints safety based on cloud computing according to claim 17, it is characterized in that described finger print information memory management unit is understood periodically or according to security situation, requiring to re-type finger print information to user, user is also dependent on oneself needing again to update oneself fingerprint cryptographic Hash in the storage of cloud fingerprint platform.
20. a kind of cloud fingerprint platforms realizing user fingerprints safety based on cloud computing according to claim 17, characterized by further comprising fingerprint contrast authorization device, for the fingerprint cryptographic Hash that cloud fingerprint platform is stored, the fingerprint cryptographic Hash uploaded with described terminal contrasts, it coincide and just authorize, and Authorization result information is fed back to this terminal.
21. 1 kinds of terminals realizing user fingerprints safety based on cloud computing, it is characterised in that including:
Fingerprint input device, for being digitized the finger print information extracted；
Platform service information acquisition device, for obtaining key and the salt of corresponding service from cloud fingerprint platform；
Encryption device, for fingerprint digital information, according to obtaining key and the salt of corresponding service from cloud fingerprint platform, is encrypted salt adding and produces fingerprint cryptographic Hash；
Information transmitting apparatus, for passing to the storage of cloud fingerprint platform by fingerprint cryptographic Hash.
22. a kind of terminals realizing user fingerprints safety based on cloud computing according to claim 21, it is characterised in that also include removing device, after producing in fingerprint cryptographic Hash, the fingerprint digital information in internal memory is removed.
23. a kind of terminals realizing user fingerprints safety based on cloud computing according to claim 21, it is characterized in that the AES that described encryption device is used, it is on the basis of SHA256 algorithm and PBKDF2 algorithm, is used alternatingly and successive ignition is carried out.
24. a kind of terminals realizing user fingerprints safety based on cloud computing according to claim 23, it is characterised in that described AES is serial algorithm, can change parameter with iterations to generate different AESs according to demand for security.
25. a kind of terminals realizing user fingerprints safety based on cloud computing according to claim 21, characterized by further comprising fingerprint contrast authorization device, for the fingerprint cryptographic Hash that terminal is obtained from cloud fingerprint platform, the fingerprint cryptographic Hash contrast produced with terminal self, it coincide and just authorize.
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| CN110503430A (en) * | 2019-07-15 | 2019-11-26 | 捷德（中国）信息科技有限公司 | Transaction processing method, safety element and smart card |
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