CN111669426B - Method and system for sharing security carrier by cross-platform terminals - Google Patents
Method and system for sharing security carrier by cross-platform terminals Download PDFInfo
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- CN111669426B CN111669426B CN202010313888.XA CN202010313888A CN111669426B CN 111669426 B CN111669426 B CN 111669426B CN 202010313888 A CN202010313888 A CN 202010313888A CN 111669426 B CN111669426 B CN 111669426B
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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
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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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
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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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
- H04L63/16—Implementing security features at a particular protocol layer
- H04L63/168—Implementing security features at a particular protocol layer above the transport layer
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Abstract
The invention discloses a method for sharing a security carrier by cross-platform terminals, which comprises the following steps: establishing a secure communication connection between a first platform terminal and a second platform terminal with a secure carrier; and the first platform terminal sends the information to be processed and the first processing instruction to the second platform terminal, so that the second platform terminal processes the information to be processed according to the first processing instruction through the security carrier after receiving the information to be processed and the first processing instruction, and then returns a processing result to the first platform terminal. The invention also discloses a system for sharing the safety carrier by the cross-platform terminal. The invention breaks through the limitation that different platform terminals cannot share the safety carrier at the same time, and reduces the cost of adding other platform terminal safety carriers.
Description
Technical Field
The present invention relates to the field of data processing. More particularly, the present invention relates to a method and system for sharing a security bearer across platform terminals.
Background
The secure carrier is data security software providing functions of key storage (such as an individual asymmetric public and private key, data of the individual private key cannot be derived), key calculation (such as SM2/3/4), and the like, and may be installed in a mobile terminal (such as a mobile phone, a tablet computer, and the like), a fixed terminal (such as a personal desktop computer or a server, and the like), or a removable storage tool (such as a usb disk, a mobile hard disk, and the like), and a user may send a corresponding instruction to the secure carrier through the mobile terminal or the fixed terminal, so that the secure carrier may perform a corresponding function, such as: encryption and decryption, signature verification, hashing and the like.
The existing secure carrier serves only the program on the terminal where the existing secure carrier is located, and if other terminals also want to use the secure carrier, the existing secure carrier is generally realized by the following method: 1. moving the safety carrier on the terminal to a movable storage tool, and using the safety carrier on other terminals through a pluggable reading device; 2. additionally installing a safety carrier on other terminals; 3. and other terminals transmit the data to be processed to the terminal with the safety carrier by means of third-party software, and the processing result is sent back by means of the third-party software after the terminal with the safety carrier is processed.
The above three methods all have different disadvantages, such as: the first method is time consuming to insert and withdraw the reading device back and forth, is easy to damage the safety carrier in the movable storage tool, and is inconvenient because the reading device is needed; in the second method, a security carrier needs to be additionally installed, so that the software and hardware cost is increased, meanwhile, two terminals cannot share a secret key, a corresponding relation needs to be established, and the security carriers of the two terminals can be uniformly used; the third method is complicated to operate, and meanwhile, data to be processed and a processing result are exposed in third-party software, so that data leakage is easily caused.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide a method and a system for sharing a safety carrier by cross-platform terminals, which get through the limitation that different platform terminals cannot share the safety carrier at the same time and reduce the cost for additionally arranging safety carriers of other platform terminals.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a method of sharing a security bearer across platform terminals, comprising:
establishing a secure communication connection between a first platform terminal and a second platform terminal with a secure carrier;
the first platform terminal sends information to be processed and a first processing instruction to the second platform terminal, so that the second platform terminal processes the information to be processed according to the first processing instruction after receiving the information to be processed and the first processing instruction, and then returns a processing result to the first platform terminal;
wherein the size of the information to be processed sent by the first platform terminal does not exceed 1 Mb.
The invention also provides a method for sharing a security carrier by the cross-platform terminal, which comprises the following steps:
establishing a secure communication connection between a first platform terminal and a second platform terminal having a secure bearer and a storage unit;
the first platform terminal sends information to be processed to the second platform terminal, so that the second platform terminal receives the information to be processed and stores the information in the storage unit;
the first platform terminal sends a first processing instruction to the second platform terminal, so that the second platform terminal processes the information to be processed in the storage unit through the security carrier according to the first processing instruction after receiving the first processing instruction, and then stores the processing result in the storage unit;
sending a copying instruction to a second platform terminal by a first platform terminal so that the first platform terminal can copy and acquire a processing result;
wherein the size of the information to be processed sent by the first platform terminal exceeds 1 Mb.
The invention provides a system for sharing a safety carrier by cross-platform terminals, which comprises:
a first platform terminal and a second platform terminal with a secure carrier;
the first platform terminal is used for sending information to be processed and a first processing instruction to the second platform terminal;
the second platform terminal is used for receiving the information to be processed and the first processing instruction, processing the information to be processed through the safety carrier according to the first processing instruction, and then returning a processing result to the first platform terminal;
the size of the information to be processed sent by the first platform terminal is not more than 1 Mb.
The invention also provides a system for sharing a safety carrier by the cross-platform terminal, which comprises the following steps:
the system comprises a first platform terminal and a second platform terminal with a security carrier and a storage unit;
the first platform terminal is used for sending information to be processed to the second platform terminal, sending a first processing instruction to the second platform terminal after the second platform terminal stores the information to be processed in the storage unit, and sending a copying instruction to the second platform terminal after the second platform terminal processes the information to be processed in the storage unit according to the first processing instruction through the security carrier;
the second platform terminal is used for receiving the information to be processed sent by the first platform terminal, storing the information to be processed in the storage unit, processing the information to be processed in the storage unit according to the first processing instruction through the safety carrier, and storing the processing result in the storage unit;
wherein, the size of the information to be processed sent by the first platform terminal exceeds 1 Mb.
The invention at least comprises the following beneficial effects: according to the invention, the first platform terminal and the second platform terminal establish a secure communication connection, and the secure carrier of the second platform terminal is called through the self-defined instruction, so that the problem that different terminals cannot share the secure carrier is solved, and the cost for additionally arranging the secure carrier of the first platform terminal is reduced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic flowchart of a method for sharing a security bearer between cross-platform terminals according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a system for sharing a security bearer between cross-platform terminals according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating a system for sharing a security bearer between cross-platform terminals according to an embodiment of the present invention;
fig. 4 is a schematic flowchart of a method for sharing a security bearer between cross-platform terminals according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram of a system for sharing a security bearer between cross-platform terminals according to another embodiment of the present invention.
Fig. 6 is a flowchart illustrating a working process of a system for sharing a security bearer by a cross-platform terminal according to another embodiment of the present invention (only a process after a secure communication connection is established between a PC terminal and an Android terminal is shown in the diagram).
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Some technical terms in the examples are explained below:
USB debug mode: the Android terminal provides a function for development work, and data can be copied between a computer and the Android terminal, an application program can be installed on the Android terminal, log data can be read, and the like. By default, the USB debug mode is off, so it needs to be turned on manually. The USB debugging mode has wide application, and various mobile phone assistant software can be normally used only by starting the USB debugging mode when performing normal functions. Only when the USB debugging mode is started, the functions of software downloading, one-key root, contact person backup and the like can be performed when the USB debugging mode is connected with a computer.
Android debug bridge (adb): the command line tool with multiple functions can enable a user to communicate with the equipment. The adb command may be used to perform various device operations (e.g., install and debug applications) and provide access to the Unix shell (a user-device interface that may be used to run various commands on the device).
The Android terminal supports other terminals to send ADB commands (such as ADB shell am start + package name/. Activity) to start the Android application program, and the ADB commands can be sent by other platform terminals to start the service program function prefabricated by the Android terminal.
The Android system supports other terminals to send ADB instructions (such as ADB forward tcp:8000tcp:9000) to set ports and establish secure Socket connection with the Android application program. Through the secure Socket connection, custom signaling can be freely sent to the application program.
A safe carrier: the data security software provides functions of key storage, key calculation (SM2/3/4 and the like), can be installed in a mobile terminal, a fixed terminal or a movable storage tool, and can access a security carrier pre-installed on a mobile phone by an Android application program through sending an APDU command if the data security software is installed on an Android terminal. And the safety carrier processes corresponding instructions such as encryption, decryption, signature verification, hashing and the like according to the APDU content.
An asymmetric public and private key of an individual is stored in an existing Android terminal security carrier, and for security consideration, data of the individual private key cannot be exported from the security carrier.
As shown in fig. 1 to 4, the present invention provides a method for sharing a security carrier by a cross-platform terminal, comprising:
s101, establishing a secure communication connection between a first platform terminal and a second platform terminal with a secure carrier;
the first platform terminal can be a PC terminal, the second platform terminal can be an Android terminal, and the security carrier of the Android terminal only serves programs of the Android terminal.
Specifically, the process of establishing the secure communication connection between the first platform terminal and the second platform terminal includes:
sending a wake-up instruction to a second platform terminal by a first platform terminal, and then confirming the wake-up instruction on the second platform terminal so as to enable the second platform terminal to start a secure communication connection monitoring port;
and the first platform terminal sends a port setting instruction to the second platform terminal to complete the port setting and further complete the safe communication connection.
Here, if the first platform terminal is a PC terminal and the second platform terminal is an Android terminal, the process of establishing a secure communication connection between the PC terminal and the Android terminal includes:
starting an Android end debugging mode to connect PC end equipment, sending an ADB searching instruction by the PC end to search the connected Android end, starting an Android end application program by the PC end through ADB shell am start-n + package name/. Activity, and awakening the Android end to confirm an Activity interface.
When the PC side starts an Android side application program through adb shell am start-n + packet name/. Activity, the Android side is awakened to confirm an Activity interface, the Android side starts a Service program written in advance, a secure Socket is started in the Service to connect a monitoring port (for example, 10086), and other terminals send adb forward tcp:8000tcp: 10086 setting ports and the secure Socket is connected to the Android terminal.
S102, the first platform terminal sends the information to be processed and the first processing instruction to the second platform terminal, so that the second platform terminal processes the information to be processed according to the first processing instruction after receiving the information to be processed and the first processing instruction, and then returns a processing result to the first platform terminal.
Specifically, the process of processing the information to be processed by the second platform terminal according to the first processing instruction through the secure carrier includes:
and the second platform terminal converts the first processing instruction into a second processing instruction which can be identified by the security carrier, and processes the information to be processed through the security carrier according to the second processing instruction.
Here, if the first platform terminal is a PC terminal and the second platform terminal is an Android terminal, the steps include the following steps:
the PC terminal sends corresponding message instructions to the Android terminal according to different service instructions, the Android terminal analyzes the instructions, the instructions are converted into APDU instructions to access the security carrier (such as encryption instructions, decryption instructions and security carrier information acquisition), and the security carrier carries out response logic processing on instruction data;
the safety carrier processes corresponding business logic according to different APDU commands and then returns the data, and the PC terminal displays corresponding processing result information (such as encrypted ciphertext and decrypted plaintext) after acquiring the returned data.
In the method for sharing the secure bearer, the first platform terminal sends the information to be processed, but the size of the data to be transmitted is limited when the secure Socket is connected, and the data exceeding 1Mb cannot be transmitted. Therefore, a method for sharing a security bearer across platform terminals is provided below to accommodate to-be-processed information containing a large amount of data.
The invention also provides a method for sharing a security carrier by the cross-platform terminal, which comprises the following steps:
s201, establishing a secure communication connection between a first platform terminal and a second platform terminal with a secure carrier and a storage unit;
this step is the same as in the previous method and will not be described in detail.
S202, the first platform terminal sends information to be processed to the second platform terminal, so that the second platform terminal receives the information to be processed and stores the information in a storage unit;
the information to be processed here may be pictures, video, audio, or files with a data size of more than 1Mb, such as large files.
Here, if the first platform terminal is a PC terminal and the second platform terminal is an Android terminal, the steps include the following steps:
and the PC side pushes the information to be processed to the Android side through an adb push target file/storage/organized/0/, wherein the storage is a storage unit of the Android side.
S203, the first platform terminal sends a first processing instruction to the second platform terminal, so that the second platform terminal processes the information to be processed in the storage unit through the security carrier according to the first processing instruction after receiving the first processing instruction, and then stores the processing result in the storage unit;
specifically, the process of processing the information to be processed by the second platform terminal according to the first processing instruction through the secure carrier includes:
the second platform terminal converts the first processing instruction into a second processing instruction recognizable by the secure carrier, and processes the information to be processed according to the second processing instruction through the secure carrier, where it is noted that the first processing instruction and the second processing instruction in the method are slightly different from those in the previous method, and the first processing instruction and the second processing instruction in the method include a storage path of the information to be processed in the second platform terminal;
here, if the first platform terminal is a PC terminal and the second platform terminal is an Android terminal, the steps include the following steps:
the PC terminal sends corresponding message instructions (including storage paths of information to be processed at the Android terminal) to the Android terminal according to different service instructions, the Android terminal analyzes the instructions and converts the instructions into APDU instructions to access the secure carrier (such as encryption instructions, decryption instructions and secure carrier information acquisition), and the secure carrier performs corresponding logic processing according to the APDU instructions;
and after the safety carrier processes corresponding service logic according to different APDU instructions, storing a processing result in an Android end storage unit (storage).
S204, the first platform terminal sends a copying instruction to the second platform terminal so that the first platform terminal can copy and acquire the processing result.
Here, if the first platform terminal is a PC terminal and the second platform terminal is an Android terminal, the steps include the following steps:
and the PC terminal copies the processing result from the android terminal through the adb pull/storage/embedded/0/target file.
The invention also provides a system for sharing a security carrier by the cross-platform terminal, which comprises:
first platform terminal a first platform terminal and a second platform terminal with a secure carrier;
the first platform terminal is used for sending a wake-up instruction to the second platform terminal, and sending a port setting instruction to the second platform terminal after the second platform terminal confirms the wake-up instruction and starts the secure communication connection monitoring port;
the second platform terminal is used for confirming the awakening instruction and starting the safe communication connection monitoring port;
the first platform terminal is also used for sending information to be processed and a first processing instruction to the second platform terminal;
and the second platform terminal is also used for receiving the information to be processed and the first processing instruction, processing the information to be processed according to the first processing instruction through the safety carrier, and then returning a processing result to the first platform terminal.
Here the size of the information to be processed sent by the first platform terminal does not exceed 1 Mb.
And the second platform terminal converts the first processing instruction into a second processing instruction which can be identified by the security carrier after receiving the first processing instruction, and processes the information to be processed according to the second processing instruction through the security carrier.
The first platform terminal can be a PC terminal, the second platform terminal can be an Android terminal, and the security carrier of the Android terminal only serves programs of the Android terminal.
The system in the embodiment works through the methods of S101-102.
The invention also provides a system for sharing a security carrier by the cross-platform terminal, which comprises:
the system comprises a first platform terminal and a second platform terminal with a security carrier and a storage unit;
the first platform terminal is used for sending a wake-up instruction to the second platform terminal, and sending a port setting instruction to the second platform terminal after the second platform terminal confirms the wake-up instruction and starts the secure communication connection monitoring port;
the second platform terminal is used for confirming the awakening instruction and starting the safe communication connection monitoring port;
the first platform terminal is further used for sending information to be processed to the second platform terminal, sending a first processing instruction to the second platform terminal after the second platform terminal stores the information to be processed in the storage unit, and sending a copying instruction to the second platform terminal after the second platform terminal processes the information to be processed in the storage unit according to the first processing instruction through the security carrier;
and the second platform terminal is also used for receiving the information to be processed sent by the first platform terminal, storing the information to be processed in the storage unit, processing the information to be processed in the storage unit according to the first processing instruction through the safety carrier, and storing the processing result in the storage unit.
Here the size of the information to be processed sent by the first platform terminal exceeds 1 Mb.
The first processing instruction and the second processing instruction in the system are slightly different from those in the previous system, and the first processing instruction and the second processing instruction in the method comprise a storage path of the information to be processed in the second platform terminal.
The first platform terminal can be a PC terminal, the second platform terminal can be an Android terminal, and the security carrier of the Android terminal only serves programs of the Android terminal.
The system in the embodiment works through the methods of S201-104.
In the above embodiment, the PC establishes a secure Socket connection with the Android terminal by means of the ADB debug mode, and communicates with the secure bearer on the Android terminal through the custom instruction. The problem that the PC end security carrier and the Android end security carrier can not share the same public and private key pair is solved, the limitation that different platform terminals can not share the carrier simultaneously is overcome, and the cost for increasing other platform terminal security carriers is reduced.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (8)
1. A method for sharing a security carrier by cross-platform terminals is characterized by comprising the following steps:
establishing a secure communication connection between a first platform terminal and a second platform terminal with a secure carrier;
the first platform terminal sends information to be processed and a first processing instruction to the second platform terminal, so that the second platform terminal processes the information to be processed according to the first processing instruction after receiving the information to be processed and the first processing instruction, and then returns a processing result to the first platform terminal;
the size of information to be processed sent by the first platform terminal is not more than 1 Mb;
the first platform terminal is a PC terminal, the second platform terminal is an Android terminal, and the PC terminal establishes a secure Socket connection with the Android terminal by means of an ADB debugging mode;
and the PC terminal sends corresponding message instructions to the Android terminal according to different service instructions, the Android terminal analyzes the instructions, the instructions are converted into APDU instructions to access the security carrier, and the security carrier carries out response logic processing on the instruction data.
2. A method for sharing a security carrier by cross-platform terminals is characterized by comprising the following steps:
establishing a secure communication connection between a first platform terminal and a second platform terminal having a secure bearer and a storage unit;
the first platform terminal sends information to be processed to the second platform terminal, so that the second platform terminal receives the information to be processed and stores the information in the storage unit;
the first platform terminal sends a first processing instruction to the second platform terminal, so that the second platform terminal processes the information to be processed in the storage unit through the security carrier according to the first processing instruction after receiving the first processing instruction, and then stores the processing result in the storage unit;
sending a copying instruction to a second platform terminal by a first platform terminal so that the first platform terminal can copy and acquire a processing result;
wherein, the size of the information to be processed sent by the first platform terminal exceeds 1 Mb;
the first platform terminal is a PC terminal, the second platform terminal is an Android terminal, and the PC terminal establishes a secure Socket connection with the Android terminal by means of an ADB debugging mode;
and the PC terminal sends corresponding message instructions to the Android terminal according to different service instructions, the Android terminal analyzes the instructions, the instructions are converted into APDU instructions to access the security carrier, and the security carrier carries out response logic processing on the instruction data.
3. The method for sharing a security bearer between cross-platform terminals according to claim 1 or 2, wherein the process of establishing the secure communication connection between the first platform terminal and the second platform terminal comprises:
sending a wake-up instruction to a second platform terminal by a first platform terminal, and then confirming the wake-up instruction on the second platform terminal so as to enable the second platform terminal to start a secure communication connection monitoring port;
and the first platform terminal sends a port setting instruction to the second platform terminal to complete the port setting and further complete the safe communication connection.
4. The method for sharing a security bearer between cross-platform terminals according to claim 1 or 2, wherein the processing, by the second platform terminal, of the information to be processed according to the first processing instruction by the security bearer comprises:
and the second platform terminal converts the first processing instruction into a second processing instruction which can be identified by the security carrier, and processes the information to be processed through the security carrier according to the second processing instruction.
5. A system for sharing a security carrier across platform terminals, comprising:
a first platform terminal and a second platform terminal with a secure carrier;
the first platform terminal is used for sending information to be processed and a first processing instruction to the second platform terminal;
the second platform terminal is used for receiving the information to be processed and the first processing instruction, processing the information to be processed through the safety carrier according to the first processing instruction, and then returning a processing result to the first platform terminal;
the size of information to be processed sent by the first platform terminal is not more than 1 Mb;
the first platform terminal is a PC terminal, the second platform terminal is an Android terminal, and the PC terminal establishes a secure Socket connection with the Android terminal by means of an ADB debugging mode;
and the PC terminal sends corresponding message instructions to the Android terminal according to different service instructions, the Android terminal analyzes the instructions, the instructions are converted into APDU instructions to access the security carrier, and the security carrier carries out response logic processing on the instruction data.
6. A system for sharing a security carrier across platform terminals, comprising:
the system comprises a first platform terminal and a second platform terminal with a security carrier and a storage unit;
the first platform terminal is used for sending information to be processed to the second platform terminal, sending a first processing instruction to the second platform terminal after the second platform terminal stores the information to be processed in the storage unit, and sending a copying instruction to the second platform terminal after the second platform terminal processes the information to be processed in the storage unit according to the first processing instruction through the security carrier;
the second platform terminal is used for receiving the information to be processed sent by the first platform terminal, storing the information to be processed in the storage unit, processing the information to be processed in the storage unit according to the first processing instruction through the safety carrier, and storing the processing result in the storage unit;
the size of information to be processed sent by the first platform terminal exceeds 1 Mb;
the first platform terminal is a PC terminal, the second platform terminal is an Android terminal, and the PC terminal establishes a secure Socket connection with the Android terminal by means of an ADB debugging mode;
and the PC terminal sends corresponding message instructions to the Android terminal according to different service instructions, the Android terminal analyzes the instructions, the instructions are converted into APDU instructions to access the security carrier, and the security carrier carries out response logic processing on the instruction data.
7. The system for sharing a security bearer between cross-platform terminals according to claim 5 or 6, wherein the first platform terminal is further configured to send a wake-up command to the second platform terminal, and send a port setting command to the second platform terminal after the second platform terminal confirms the wake-up command and starts the secure communication connection listening port;
and the second platform terminal is also used for confirming the awakening instruction and starting the safe communication connection monitoring port.
8. The system for sharing a security carrier among cross-platform terminals according to claim 5 or 6, wherein the second platform terminal is further configured to convert the first processing instruction into a second processing instruction recognizable by the security carrier, and process the information to be processed according to the second processing instruction through the security carrier.
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