CN203084735U - Portable power dissipation attack platform - Google Patents
Portable power dissipation attack platform Download PDFInfo
- Publication number
- CN203084735U CN203084735U CN 201320100368 CN201320100368U CN203084735U CN 203084735 U CN203084735 U CN 203084735U CN 201320100368 CN201320100368 CN 201320100368 CN 201320100368 U CN201320100368 U CN 201320100368U CN 203084735 U CN203084735 U CN 203084735U
- Authority
- CN
- China
- Prior art keywords
- microprocessor
- digital variable
- power consumption
- variable potentiometer
- portable power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Power Sources (AREA)
Abstract
The utility model provides a portable power dissipation attack platform comprising a microprocessor, a digital variable potentiometer, a voltage collecting circuit, a differential circuit, a display screen and a piece of key input equipment, wherein the microprocessor is respectively in bidirectional communication connection with the differential circuit and the digital variable potentiometer; a first input end of the display screen is connected with an output end of the differential circuit, a second input end of the display screen is connected with an output end of the microprocessor; an output end of the digital variable potentiometer is connected with an input end of the microprocessor through the voltage collecting circuit; and the key input equipment is connected with the input end of the microprocessor. The portable power dissipation attack platform has the advantages of convenience in selecting external resistance, low platform cost, small platform volume and easiness in carrying.
Description
Technical field
The utility model belongs to the design of electronic circuits technical field, is specifically related to a kind of portable power consumption attack platform.
Background technology
In the RESEARCH OF CHAOS-BASED SECURITY COMMUNICATION field, be that the safety chip of representative has obtained using very widely in each field of society with the smart card.But; because the cryptographic algorithm of safety chip realizes that circuit is in the cryptographic algorithm implementation; through regular meeting's leakage power information, and the power consumption information of being leaked can be used to analyze the sensitive data or the key of cryptographic algorithm, and this method is called bypass attack (Side Channel Attacks).Wherein, utilize the bypass attack means of power consumption information to be called power consumption attack.It was proposed by the people such as Paul Kocher of Cryptography Research company in 1998, and this method can be quick, nondestructively extracts the critical data in the crypto chip, as key, the security of crypto chip had been proposed stern challenge.
Existing power consumption attack platform generally is made up of oscillograph, outer meeting resistance, power consumption analysis software etc., and its workflow generally is: (1) is being attacked the external suitable resistance of circuit; (2) on by the attack circuit, move cryptographic algorithm; (3) gather the change in voltage curve at outer meeting resistance two ends by oscillograph, i.e. power consumption curve, and store accordingly; (4) the power consumption curve that collects is alignd, after the pre-service such as denoising, utilizes difference or correlation analysis algorithm to carry out password cracking.
Mainly there is following shortcoming in aforesaid way:
The first, the selection operation inconvenience of outer meeting resistance size.Resistance is the operate as normal of conference influence quilt attack circuit too; The too little power consumption curve that then collects of resistance is not accurate enough, therefore, selects suitable outer meeting resistance need expend a large amount of time of staff.
The second, power consumption attack platform expense is higher.Existing power consumption attack platform need be gathered the power consumption curve by oscillograph, is unfavorable for popularizing of power consumption attack platform.
The 3rd, carry inconvenience.It all is Realization by Machine by different that existing power consumption attack platform is often gathered with analyzing, and is finished by oscillograph such as gathering, and analyzes and is then finished by PC.Thereby the power consumption attack platform takes up room greatlyyer, is unfavorable for carrying.
The utility model content
At the defective that prior art exists, the utility model provides a kind of portable power consumption attack platform, have conveniently select the outer meeting resistance size, the platform expense is low, platform by volume is little and the portative advantage of platform.
The technical solution adopted in the utility model is as follows:
The utility model provides a kind of portable power consumption attack platform, comprises microprocessor, digital variable potentiometer, voltage collection circuit, difference channel, display screen and by key inputting device; Two-way communication is connected described microprocessor with described digital variable potentiometer with described difference channel respectively; The first input end of described display screen is connected with the output terminal of described difference channel, and second input end of described display screen is connected with the output terminal of described microprocessor; The output terminal of described digital variable potentiometer is connected to the input end of described microprocessor by described voltage collection circuit; The described input end that also is connected to described microprocessor by key inputting device.
Preferably, also comprise shell; Described microprocessor, described voltage collection circuit and described difference channel are arranged on the inside of described shell; Described display screen and the described surface that is installed in described shell by key inputting device.
Preferably, the outside surface at described shell also is provided with the power supply and the double-purpose interface of communicating by letter; Described power supply is connected with described microprocessor with communication double-purpose interface.
Preferably, described power supply is a mini USBA type interface with the double-purpose interface of communicating by letter.
Preferably, the outside surface at described shell also is provided with junction block; Described junction block configuration positive source interface and power cathode interface; Described positive source interface is used to connect the external power supply positive pole of being attacked circuit; Described power cathode interface is used to connect the positive source interface of being attacked circuit, is attacked circuit and connects with described portable power consumption attack platform by described junction block; Described junction block output terminal is connected with described digital variable potentiometer.
Preferably, the outside surface at described shell also is provided with digital variable potentiometer socket; Described digital variable potentiometer socket is connected with described microprocessor; Described digital variable potentiometer can plug with described microprocessor by described digital variable potentiometer socket and be connected.
The beneficial effects of the utility model are as follows:
The portable power consumption attack platform that the utility model provides has the following advantages:
(1) can the suitable outer meeting resistance of automatic selection be set according to being attacked the input of circuit and User Defined, can effectively shorten staff's running time.
(2) Platform Price is cheap, helps the popularization in small test chamber or college experiment teaching.
(3) simultaneously integrated power consumption attack collection and analytic function, it is little to take up room, easy to carry.
Description of drawings
The internal circuit principle schematic of the portable power consumption attack platform that Fig. 1 provides for the utility model;
The external structure synoptic diagram of the portable power consumption attack platform that Fig. 2 provides for the utility model;
Wherein, 11---microprocessor; The 12---difference channel; 13---presses key inputting device; The 14---display screen; The 15---voltage collection circuit; 16---digital variable potentiometer;
21---junction block positive source interface; 22---junction block power cathode interface; The 23---power supply and the double-purpose interface of communicating by letter; 24---digital variable potentiometer socket.
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated:
In conjunction with Fig. 1, the utility model provides a kind of portable power consumption attack platform, comprises microprocessor, digital variable potentiometer, voltage collection circuit, difference channel, display screen and by key inputting device; Two-way communication is connected described microprocessor with described digital variable potentiometer with described difference channel respectively; The first input end of described display screen is connected with the output terminal of described difference channel, and second input end of described display screen is connected with the output terminal of described microprocessor; The output terminal of described digital variable potentiometer is connected to the input end of described microprocessor by described voltage collection circuit; The described input end that also is connected to described microprocessor by key inputting device.Wherein, be used to receive the user-defined parameter that is provided with, and this is provided with parameter is transferred to microprocessor by key inputting device; The digital variable potentiometer is used for simulation and is attacked the circuit outer meeting resistance, and its resistance is adjustable.Voltage collection circuit is used to gather the magnitude of voltage of digital variable potentiometer; Difference channel is used for the power consumption curve that collects is analyzed, and on the specific implementation, difference channel can be realized by fpga chip, and, support the parallel processing of a plurality of power consumption curves; Display screen is used to show the power consumption analysis result.
As shown in Figure 2, also comprise shell; Described microprocessor, described voltage collection circuit and described difference channel are arranged on the inside of described shell; Described display screen and the described surface that is installed in described shell by key inputting device.
Outside surface at described shell also is provided with the power supply and the double-purpose interface of communicating by letter; Described power supply is connected with described microprocessor with communication double-purpose interface.Wherein, power supply is preferably mini USB A type interface with the double-purpose interface of communicating by letter, and this class interface is general with at present popular cellular phone data line, can convenient staff use this platform.
Outside surface at described shell also is provided with junction block; Described junction block configuration positive source interface and power cathode interface; Described positive source interface is used to connect the external power supply positive pole of being attacked circuit; Described power cathode interface is used to connect the positive source interface of being attacked circuit, is attacked circuit to connect with portable power consumption attack platform by junction block; Described junction block output terminal is connected with described digital variable potentiometer.
Outside surface at described shell also is provided with digital variable potentiometer socket; Described digital variable potentiometer socket is connected with described microprocessor; Described digital variable potentiometer can plug with described microprocessor by described digital variable potentiometer socket and be connected.By the socket connected mode, make things convenient for the staff to change the digital variable potentiometer of different size.
The portable power consumption attack platform that the utility model provides, its work disposal flow process may further comprise the steps:
(1) the digital variable potentiometer is installed on the digital variable potentiometer socket of portable power consumption attack platform; The external power supply positive pole that to be attacked circuit is connected to the junction block positive pole, and the positive source interface of being attacked circuit is connected to the negative pole of junction block, makes this portable power consumption attack platform and quilt attack circuit and connects;
(2) when being attacked circuit operation cryptographic algorithm, voltage collection circuit is gathered the change in voltage curve at digital variable potentiometer two ends, i.e. power consumption curve; Then the power consumption curve that collects is transferred to microprocessor;
(3) microprocessor is by the close-loop control mode of built-in self program, and the resistance value of continuous dynamic adjustments digital variable potentiometer is up to being adjusted to the optimum resistance value that can adapt to power consumption attack.
For this step, because microprocessor is connected with the digital variable potentiometer is direct and two-way, therefore, microprocessor can be regulated the resistance value of digital variable potentiometer, simultaneously, also can read the resistance value of digital variable potentiometer at any time.
(4) when the digital variable potentiometer is adjusted to optimum resistance value, microprocessor receives the power consumption curve of the best of voltage collection circuit feedback, power consumption curve that then should the best is transferred to difference channel, by difference channel the power consumption curve of the best is analyzed, and cracked the key information of being attacked in the circuit.
Wherein, because display screen is connected with microprocessor with difference channel respectively, therefore, the analysis result of difference channel shows by display screen, thereby makes things convenient for the user to observe.In addition, among the present invention, the user can pass through to press the self-defined platform operational factor of key inputting device, and shows defined platform operational factor by display screen.
The portable power consumption attack platform that the utility model provides has the following advantages:
(1) can the suitable outer meeting resistance of automatic selection be set according to being attacked the input of circuit and User Defined, can effectively shorten staff's running time.
(2) Platform Price is cheap, helps the popularization in small test chamber or college experiment teaching.
(3) simultaneously integrated power consumption attack collection and analytic function, it is little to take up room, easy to carry.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be looked protection domain of the present utility model.
Claims (6)
1. a portable power consumption attack platform is characterized in that, comprises microprocessor, digital variable potentiometer, voltage collection circuit, difference channel, display screen and by key inputting device; Two-way communication is connected described microprocessor with described digital variable potentiometer with described difference channel respectively; The first input end of described display screen is connected with the output terminal of described difference channel, and second input end of described display screen is connected with the output terminal of described microprocessor; The output terminal of described digital variable potentiometer is connected to the input end of described microprocessor by described voltage collection circuit; The described input end that also is connected to described microprocessor by key inputting device.
2. portable power consumption attack platform according to claim 1 is characterized in that, also comprises shell; Described microprocessor, described voltage collection circuit and described difference channel are arranged on the inside of described shell; Described display screen and the described surface that is installed in described shell by key inputting device.
3. portable power consumption attack platform according to claim 2 is characterized in that, at the outside surface of described shell the power supply and the double-purpose interface of communicating by letter is set also; Described power supply is connected with described microprocessor with communication double-purpose interface.
4. portable power consumption attack platform according to claim 3 is characterized in that, described power supply is a mini USB A type interface with the double-purpose interface of communicating by letter.
5. portable power consumption attack platform according to claim 2 is characterized in that, at the outside surface of described shell junction block is set also; Described junction block configuration positive source interface and power cathode interface; Described positive source interface is used to connect the external power supply positive pole of being attacked circuit; Described power cathode interface is used to connect the positive source interface of being attacked circuit, is attacked circuit and connects with described portable power consumption attack platform by described junction block; Described junction block output terminal is connected with described digital variable potentiometer.
6. portable power consumption attack platform according to claim 2 is characterized in that, at the outside surface of described shell digital variable potentiometer socket is set also; Described digital variable potentiometer socket is connected with described microprocessor; Described digital variable potentiometer can plug with described microprocessor by described digital variable potentiometer socket and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320100368 CN203084735U (en) | 2013-03-06 | 2013-03-06 | Portable power dissipation attack platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320100368 CN203084735U (en) | 2013-03-06 | 2013-03-06 | Portable power dissipation attack platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203084735U true CN203084735U (en) | 2013-07-24 |
Family
ID=48830554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320100368 Expired - Fee Related CN203084735U (en) | 2013-03-06 | 2013-03-06 | Portable power dissipation attack platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203084735U (en) |
-
2013
- 2013-03-06 CN CN 201320100368 patent/CN203084735U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103207730B (en) | One can locate pull-alongs flow process drawing generating method and process flow diagram maker | |
| CN109150491A (en) | A kind of Mobile portable formula side channel collecting test equipment and its control method | |
| CN105159475A (en) | Character input method and device | |
| Diendorfer et al. | Evaluation of lightning location data employing measurements of direct strikes to a radio tower | |
| CN202584139U (en) | Physical experiment platform for power consumption analysis of cryptographic chip | |
| CN203084735U (en) | Portable power dissipation attack platform | |
| CN204790445U (en) | Multichannel synchronizing data collection system based on android system | |
| CN204066361U (en) | Ammeter information harvester | |
| CN204288307U (en) | Attendance recorder | |
| CN204101610U (en) | A kind of ammeter box based on NFC technique | |
| CN103279584A (en) | Data collection method for electric power measurement equipment | |
| Anusha et al. | Detection of power theft using GSM | |
| CN202758484U (en) | Meter reading system aiming at a radio station (RS) 485 communication mode electric energy meter | |
| CN206557752U (en) | Recognize the intelligent interactive system of electronic equipment | |
| CN109374061A (en) | A kind of switch cabinet electrified detection mobile job-oriented terminal | |
| CN205176558U (en) | Hand -held type anti -electricity -stealing machine of checking meter | |
| CN204101082U (en) | A kind of Intelligent toolbox of serving energy-conservation supervision and administration of energy conservation | |
| CN204155333U (en) | A kind of novel building site entrance guard device | |
| TW200729859A (en) | A method for processing ATM cells and a device having ATM cell processing capabilites | |
| CN209201093U (en) | A kind of remote data transmission terminal of included store function | |
| CN207268866U (en) | A kind of information collecting device | |
| CN203472294U (en) | Printer | |
| CN205826505U (en) | The Internet direct-reading portable spectrometer | |
| CN207366974U (en) | A kind of multi-channel data acquisition unit | |
| CN204948282U (en) | A kind of video tampering detection apparatus for processing in real time |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20140306 |