CN103577736B - Low-power-consumption dynamic token and dynamic password generation method - Google Patents
Low-power-consumption dynamic token and dynamic password generation method Download PDFInfo
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- CN103577736B CN103577736B CN201310552090.0A CN201310552090A CN103577736B CN 103577736 B CN103577736 B CN 103577736B CN 201310552090 A CN201310552090 A CN 201310552090A CN 103577736 B CN103577736 B CN 103577736B
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3226—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using a predetermined code, e.g. password, passphrase or PIN
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Abstract
The invention discloses a low-power-consumption dynamic token and a dynamic password generation method. The low-power-consumption dynamic token is formed by matching a real-time clock module, an algorithm calculation module, a display module and a CPU module, wherein the CPU module is in control connection with the real-time clock module, the algorithm calculation module and the display module. In the working process, the CPU module obtains a time cycle through the real-time clock module and controls the algorithm calculation module to calculate and store a dynamic password needing to be displayed in the next time cycle in a low-frequency mode, and meanwhile the CPU module controls the display module to display a dynamic password of the current time cycle. The low-power-consumption dynamic token and the dynamic password generation method effectively resolve the problems in the prior art of large power consumption, long calculation time, password jumping and inconsistency of UTC time.
Description
Technical field
The present invention relates to a kind of dynamic token technology is and in particular to a kind of scheme of reduction dynamic token power consumption.
Background technology
In field of identity authentication, dynamic token technology it is emphasised that dynamic password changes with the change of specified time,
And realize the low-power consumption of token.
And the calculating process of token dynamic password is more complicated, if token is run with high frequency always calculates password, can significantly
Lift its power consumption；At low frequency, the time of computing is longer, if if password will carry out high/low frequency computing before saltus step, dynamically
The saltus step of password and UTC standard time can produce incomplete synchronization.
Different single-chip microcomputers or different programs write the difference that will also result in operation time, also cannot ensure accurately
The current dynamic password of whole minute moment display.
Content of the invention
Have that power consumption is big for existing dynamic token, operation time length and password saltus step and UTC time is inconsistent etc. asks
Topic, it is an object of the invention to provide a kind of technical scheme of low-power consumption dynamic token, the program can be unified to solve existing dynamic
The problems of state token.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of low-power consumption dynamic token, it includes：
Real-time clock module, time number representation system within token for the described real-time clock module provides real-time clock；
Algorithm computing module, described algorithm computing module is used for calculating the dynamic password of subsequent time period；
Display module, described display module is used for showing the dynamic password of current time period；
CPU module, described CPU module controls connection real-time clock module, algorithm computing module and display module, described
CPU module obtains the time cycle by real-time clock module, and control algolithm computing module is calculated with low frequency mode and stores down
A period of time needs the dynamic password of display；Meanwhile, CPU module controls display module to show the dynamic mouth of current time period
Order.
In the preferred embodiment of dynamic token, described CPU module control algolithm in the interval that dynamic password twice switches
Computing module calculates a period of time with low frequency mode needs the dynamic password of display.
Based on above-mentioned low-power consumption dynamic token, the present invention also provides a kind of dynamic password formation method of low-power consumption, should
In the case of display current time period dynamic password, calculated and store subsequent time period in advance is needed method with low frequency mode
Dynamic password to be shown.
In the preferred version of dynamic password formation method, carried with low frequency mode in the interval of the switching of dynamic password twice
The front dynamic password calculating and storing subsequent time period needs display.
Further, after display dynamic token terminates, make token in a dormant state.
The scheme that the present invention provides makes CPU calculate state in dynamic password and is in low frequency mode, in non-dynamic password meter
Calculation state is in park mode to reduce power consumption；Meanwhile, counted in advance by subsequent time period being needed the dynamic password of display
It is good and store to calculate, can avoid due under low frequency the calculating time length of password and affect the time synchronized situation that password shows, thus
Can realize dynamic token dynamic password calculate be to carry out in the state of low-power consumption, can make again dynamic password saltus step and
The UTC standard time is synchronous, the power consumption that effectively solving existing dynamic token technology exists is big, operation time length, password saltus step and UTC
The problems such as Time Inconsistency.
Brief description
To further illustrate the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is the theory diagram of low-power consumption dynamic token in the present invention；
Fig. 2 is the low-power consumption workflow diagram of low-power consumption dynamic token in the present invention.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention realizes are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
Referring to Fig. 1, it show the theory diagram of low-power consumption dynamic token.As seen from the figure, this low-power consumption dynamic token 100
Main inclusion CPU module 101, real-time clock module 102, algorithm computing module 103 and 104 4 parts of display module.
Wherein, real-time clock module 102：Time number representation system within token 100 provides real-time clock T0, meanwhile,
CPU module 101 from token for this real-time clock module 102 is just constantly in time status after running.
Algorithm computing module 103：For calculating the dynamic password P of subsequent time period T+1T+1.
Display module 104：For showing the dynamic password P of current time period TT.Specifically, this display module can adopt
LCD display module, but it is not limited to this.
CPU module 101：It is the calculating control centre in dynamic token, for controlling the mode of operation of token, such as dormancy
Pattern, mode of operation, and the storage of dynamic password.In this example, CPU module 101 controls connection real-time clock mould respectively
Block 102, algorithm computing module 103 and display module 104；And this CPU module 101 is in when dynamic password calculates state
Low frequency mode, is in park mode to reduce power consumption when non-dynamic password calculates state.
Specifically, its time cycle residing for from real-time clock module 102 acquisition dynamic token of CPU module 101, and control
Display module 104 shows the dynamic password of current time period（This dynamic password calculates storage in advance by upper a period of time）,
In the interval of the switching of dynamic password twice, subsequent time period is needed by control algolithm computing module 103 with low frequency mode simultaneously
Display dynamic password calculate in advance and store, so can avoid due under low frequency mode the calculating time length of dynamic password and
The time synchronized situation that impact password shows；Finally, at CPU module 101 after display module 104 shows related dynamic password
In park mode to reduce power consumption.
Referring to Fig. 2, it show the low-power consumption workflow of the low-power consumption dynamic token being formed based on above-mentioned concrete scheme
Figure.As seen from the figure, whole low-power consumption work process includes several steps as follows：
1st, after the dynamic password that display module display calculates for the first time, CPU module is in park mode to reduce power consumption.
2nd, the real-time clock T providing when real-time clock module 1020When timing time reaches, CPU module is waken up, and wakes up
CPU module is in low frequency mode afterwards.
3rd, after CPU module wakes up, to the dynamic password of current time period, whether computing judges：If no
Computing, then carry out a dynamic password computing, and low frequency mode calculates the dynamic password P of next cycle T+1 displayT+1, and be stored in
In CPU；If computing, no longer carry out dynamic password computing.
4th, after judging whether dynamic password computing is carried out, CPU module can judge whether period of time T arrives, if not having
There is arrival, then control the dynamic password P that LCD display module keeps display current period TT；If period of time T arrives, LCD
Display module updates the dynamic password P that display has calculated in advanceT+1.
5th, CPU module judges whether display module switches after dynamic password shows, CPU module goes successively to dormancy mould
Formula, the operating process of such repeat step 2 to 5.
From the foregoing, it will be observed that the CPU module of this low-power consumption dynamic token is always in display current time period password PTSituation
Under, the password P of next time cycle is calculated once in advance with low frequency modeT+1（Specifically at the interval of the switching of dynamic password twice
In）, then when arriving the next time cycle, carry out the replacing of the display of dynamic password, and continue to proceed by the next one
The password of time cycle calculates.And keeping CPU when password calculates with low frequency operation, remaining state is park mode and cycle
The wake-up timing of property.The method had both ensured the low-power consumption of token, also ensure that the display of dynamic password and the one of UTC current time
Cause property.
Ultimate principle, principal character and the advantages of the present invention of the present invention have been shown and described above.The technology of the industry
, it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description is originally for personnel
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and its
Equivalent thereof.
Claims (5)
1. a kind of dynamic token of low-power consumption is it is characterised in that described dynamic token includes：
Real-time clock module, time number representation system within token for the described real-time clock module provides real-time clock；
Algorithm computing module, described algorithm computing module is used for calculating the dynamic password of subsequent time period；
Display module, described display module is used for showing the dynamic password of current time period；
CPU module, described CPU module controls connection real-time clock module, algorithm computing module and display module, described CPU
Module obtains the time cycle residing for dynamic token from real-time clock module, and controls display module to show current time period
Dynamic password, this dynamic password calculates storage in advance by upper a period of time, and control algolithm computing module is with low frequency mode simultaneously
Calculating and store subsequent time period needs the dynamic password of display.
2. the dynamic token of low-power consumption according to claim 1 is it is characterised in that described CPU module is in dynamic mouth twice
In the interval of order switching, control algolithm computing module calculates subsequent time period with low frequency mode needs the dynamic password of display.
3. a kind of dynamic password formation method of the dynamic token of the low-power consumption described in claim 1 or 2 is it is characterised in that institute
Method of stating, in the case of display current time period dynamic password, is calculated in advance with low frequency mode and stores subsequent time period
Need the dynamic password of display.
4. dynamic password formation method according to claim 3 it is characterised in that dynamic password twice switching interval
In calculated in advance with low frequency mode and store subsequent time period and need the dynamic password of display.
5. dynamic password formation method according to claim 3 is it is characterised in that after display dynamic token terminates, make
Token is in a dormant state.
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| CN201310552090.0A CN103577736B (en) | 2013-11-07 | 2013-11-07 | Low-power-consumption dynamic token and dynamic password generation method |
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| CN201310552090.0A CN103577736B (en) | 2013-11-07 | 2013-11-07 | Low-power-consumption dynamic token and dynamic password generation method |
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| CN103577736B true CN103577736B (en) | 2017-02-15 |
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| CN105553676B (en) * | 2016-03-02 | 2019-01-04 | 上海普适导航科技股份有限公司 | With the Beidou serial port communication method of equipment authentication function and transmission, reception device |
| CN105847008B (en) * | 2016-03-18 | 2019-03-05 | 北京理工大学 | A kind of anonymity booking method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7688975B2 (en) * | 2001-10-26 | 2010-03-30 | Authenex, Inc. | Method and apparatus for dynamic generation of symmetric encryption keys and exchange of dynamic symmetric key infrastructure |
| US8060750B2 (en) * | 2007-06-29 | 2011-11-15 | Emc Corporation | Secure seed provisioning |
| CN201378835Y (en) * | 2009-03-17 | 2010-01-06 | 上海动联信息技术有限公司 | Hardware token |
| CN102592064A (en) * | 2011-01-07 | 2012-07-18 | 深圳同方电子设备有限公司 | Dynamic crypto chip |
| CN102123148B (en) * | 2011-03-02 | 2014-01-15 | 天地融科技股份有限公司 | Authentication method, system and device based on dynamic password |
| CN102185838B (en) * | 2011-04-21 | 2014-06-25 | 杭州驭强科技有限公司 | Driving dynamic code generating and authenticating system and method based on time factors |
| US8775838B2 (en) * | 2012-02-01 | 2014-07-08 | Texas Instruments Incorporated | Limiting the number of unexpected wakeups in a computer system implementing a power-saving preemptive wakeup method from historical data |
| CN202679386U (en) * | 2012-07-02 | 2013-01-16 | 长城瑞通（北京）科技有限公司 | Card dynamic token apparatus |
| CN103051460B (en) * | 2013-01-29 | 2015-08-19 | 赵忠华 | Based on dynamic token system and the encryption method thereof of inertial technology |
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