CN106888310A - Ciphering and deciphering device and method and communication terminal device - Google Patents
Ciphering and deciphering device and method and communication terminal device Download PDFInfo
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- CN106888310A CN106888310A CN201510947297.7A CN201510947297A CN106888310A CN 106888310 A CN106888310 A CN 106888310A CN 201510947297 A CN201510947297 A CN 201510947297A CN 106888310 A CN106888310 A CN 106888310A
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- key sequence
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/68—Circuit arrangements for preventing eavesdropping
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
Abstract
The present invention provides a kind of ciphering and deciphering device, is applied to communication terminal, including：Application processor, the application processor includes kernel module, wherein, the kernel module is applied to the communication data that the transmission communication terminal is received, wherein the communication data packet includes communicating data；And encryption/decryption module, the encryption/decryption module is connected with the kernel module, it is adaptable to which the communication data to being received from the kernel module is encrypted or decrypts.The present invention also provides a kind of encipher-decipher method and is applied to the ciphering and deciphering device.The present invention also provides a kind of communication terminal device, including：Any described ciphering and deciphering device；And switching device, it is adaptable to it is turned on and off the ciphering and deciphering device.The ciphering and deciphering device and the encipher-decipher method can effectively prevent from obtaining without permission the Content of Communication of communicating pair, so as to significantly improve the security of dialog context and short message content.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of ciphering and deciphering device, a kind of encipher-decipher method and
A kind of communication terminal device.
Background technology
The communication business such as including call, short message, image, each communication service is required for being encrypted guarantor
Protect to prevent from being intercepted and captured in the links of communication or being eavesdropped without permission.It was verified that encryption is
Protection information safety feasible and effective means, cipher system is to realize the technology base of Information Security
Plinth.Specifically, encryption is to change original information data with certain special algorithm so that without awarding
Even if the information that power person has been encrypted, but the method because not knowing decryption, still cannot understand information
Content.
In the prior art, it is transmitted without encryption in the call of communication terminal and note data,
Very big information security hidden danger can be so carried, is very easy to be intercepted and captured without permission or eavesdropped.
The content of the invention
The problem that the present invention is solved is, in the prior art, the call of communication terminal and note data without
Encryption and be transmitted.
To solve the above problems, the embodiment of the present invention provides a kind of ciphering and deciphering device, is applied to communication terminal,
Including：Application processor, the application processor includes kernel module, wherein, the kernel module is fitted
For transmitting the communication data that the communication terminal is received, wherein the communication data packet includes communicating data；
And encryption/decryption module, the encryption/decryption module is connected with the kernel module, it is adaptable to from described interior
The communication data received at core module is encrypted or decrypts.
Illustrate, the communicating data is the voice data in communication process.
Alternatively, the ciphering and deciphering device also includes modulation /demodulation module, the decode-regulating module and institute
State application processor connection.
Alternatively, the ciphering and deciphering device also includes digital signal processing module, the Digital Signal Processing
Module is connected with the modulation /demodulation module.
Alternatively, the modulation /demodulation module and the application processor are set up specially using shared drive mode
Thread is transmitted with transmission channel.
Alternatively, the data that the digital signal processing module and the modulation /demodulation module are exchanged use ring
Type cache way is stored.
Alternatively, the encryption/decryption module passes through bus and the external connection of the application processor.
Alternatively, the bus include secure digital input and output (Secure Digital Input and Output,
SDIO) interface bus, universal asynchronous receiving-transmitting (Universal Asynchronous Receiver/Transmitter,
UART) interface bus, SPI (Serial Peripheral Interface, SPI) bus or I2C
(Inter-Integrated Circuit) interface bus.
Alternatively, the encryption/decryption module is built in the application processor.
Alternatively, the communication data also includes note data.
Alternatively, the communicating data is instant data.
The embodiment of the present invention also provides a kind of encipher-decipher method, is applied to the ciphering and deciphering device, including：
The communication data that the communication terminal is received is obtained, wherein, the communication data includes communicating data；With
And the communication data is encrypted or decrypted.
Illustrate, the communicating data is the voice data in communication process.
Alternatively, the communicating data is AMR (Adaptive Multi-Rate, AMR) lattice
Formula.
Alternatively, the communicating data is instant data.
Alternatively, the communication data also includes note data.
Alternatively, if the note data is long, the encipher-decipher method also includes the segmentation short message
Data.
Alternatively, the encipher-decipher method also includes the transmission communication data by bus to being placed on
State the encryption/decryption module of application processor.
Alternatively, the encipher-decipher method also includes the transmission communication data to being built at the application
Manage the encryption/decryption module of device.
Alternatively, the communication data is encrypted or decrypt include dynamic more new key, wherein dynamically
Updating the key includes：Obtain ordered series of numbers；Generation first key sequence and the second key sequence；Generation the
Three key sequences are based on the ordered series of numbers and the first key sequence；And update the 3rd key sequence
Based on second key sequence.
Alternatively, generating the first key sequence and second key sequence includes：Generation key sequence
Row seed；And the key sequence seed is iterated using AES.
Alternatively, generate the key sequence seed and be based on the time at talkthrough moment, both call sides electricity
The preset identity recognition number of words number or chip.
Alternatively, the 3rd key sequence is scramble ordered series of numbers group, and the scramble ordered series of numbers group is put including multiple
The random ordered series of numbers.
Alternatively, generate the 3rd key sequence is included based on the first key sequence：Obtain described
First key sequence per byte high position data as ordered series of numbers described in scramble initial value；Obtain with described the
Low data of one key sequence per byte is used as scramble step-length；And ordered series of numbers described in scramble is based on described first
Initial value and the scramble step-length.
Alternatively, ordered series of numbers described in scramble is based on the initial value and the scramble step-length is included to the ordered series of numbers
At least carry out the place-exchange of first order.
Alternatively, ordered series of numbers described in scramble is based on the initial value and the scramble step-length is included by described initial
It is worth corresponding item to start often by a scramble step-length, the position for carrying out the ordered series of numbers first order is handed over
Change.
Alternatively, update the 3rd key sequence is included based on second key sequence：Obtain described
Second key sequence per byte high position data as continuous updating duration；Obtain the second key sequence
Low data of the row per byte is used as undated parameter；And corresponding putting of choosing in the scramble ordered series of numbers group
The random array is based on the duration and the undated parameter of the continuous updating.
The embodiment of the present invention also provides a kind of communication terminal device, including：Any described ciphering and deciphering device；
And switching device, it is adaptable to it is turned on and off the ciphering and deciphering device.
Compared with prior art, the technical scheme of the embodiment of the present invention has advantages below：
The proper communication of the communicating pair for not influenceing to authorize by the call encrypted and note data, and can be with
Effectively prevent without permission obtain communicating pair Content of Communication, so as to significantly improve dialog context with
And the security of short message content.
Brief description of the drawings
Fig. 1 is the structural representation of the ciphering and deciphering device of one embodiment of the invention；
Fig. 2 is the structural representation of the ciphering and deciphering device of another embodiment of the present invention；
Fig. 3 is the flow chart of the encipher-decipher method of one embodiment of the invention；
Fig. 4 is the flow chart of the communicating data encipher-decipher method of one embodiment of the invention；
Fig. 5 is the flow chart of the note data encryption method of one embodiment of the invention；
Fig. 6 is the flow chart of the note data decryption method of one embodiment of the invention；And
Fig. 7 is the flow chart of the key dynamic updating method of one embodiment of the invention.
Specific embodiment
From background technology, in the prior art, communication terminal call and note data without plus
It is close treatment and be transmitted.Therefore, the embodiment of the present invention provides a kind of ciphering and deciphering device, a kind of encryption and decryption
Method and a kind of communication terminal device, place is encrypted in communication terminal to communicating data and note data
Reason, effectively to prevent from obtaining without permission the Content of Communication of communicating pair, so as to significantly improve logical
The security of words content and short message content.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings
Specific embodiment of the invention is described in detail.It should be noted that providing the purpose of these accompanying drawings
Contribute to understand embodiments of the invention, and should not be construed as and improperly limit of the invention.
Fig. 1 shows the structural representation of the ciphering and deciphering device 100 of one embodiment of the invention, described plus solution
Close device 100, is applied to communication terminal, including application processor 101 (Application Processor,
AP), the application processor 101 includes kernel (kernel) module 1011, wherein, the kernel mould
Block 1011 is applied to the communication data that the transmission communication terminal is received；And encryption/decryption module 1012, institute
State encryption/decryption module 1012 to be connected with the kernel module 1011, it is adaptable to from the kernel module 1011
The communication data that place receives is encrypted or decrypts.Wherein, the communication data includes communicating data.Tool
Body illustrates that the communicating data is the voice data in communication process.Wherein, the encryption and decryption mould
Block 1012 passes through bus and the external connection of the application processor 101.
The external connection encryption/decryption module 1012 is beneficial at the application to the application processor 101
Enciphering and deciphering algorithm or key are debugged and changed to reason device 101 from different third party's encryption/decryption modules,
Encryption/decryption module is also facilitated to provide enciphering and deciphering algorithm or key for various data or file.
With reference to Fig. 1, in certain embodiments, the ciphering and deciphering device 100 also includes modulation /demodulation (modem)
Module 103, the decode-regulating module 103 is connected with the application processor 101.In some embodiments
In, the modulation /demodulation module 103 and the application processor 101 are using shared drive (share
Memory) mode sets up dedicated transmission channel and transmits thread (Thread).
With continued reference to Fig. 1, in certain embodiments, the ciphering and deciphering device 100 also includes at data signal
Reason (Digital Signal Processing, DSP) module 105, the digital signal processing module 105 with
The modulation /demodulation module 103 is connected.In certain embodiments, the digital signal processing module 105
The data exchanged with the modulation /demodulation module 103 are using ring-like caching (ring buffer, not shown) side
Formula is stored.
In certain embodiments, the bus includes SDIO interface bus, UART interface bus, SPI
Interface bus or I2C interface bus.
In certain embodiments, the communication data also includes note data.
In certain embodiments, the communicating data can be instant data.Illustrate, it is described
Instant data, in addition to necessary time needed for data transmission and processing, are not postponed by any extra, wherein,
Necessary time needed for data transmission and processing is very short to be can be ignored.
In certain embodiments, the ciphering and deciphering device 100 includes 2G/3G/4G antennal interfaces, WIFI/
Bluetooth (BlueTooth, BT)/global positioning system (Global Positioning System, GPS)/frequency modulation
(Frequency Modulation, FM) interface, liquid crystal display (Liquid Crystal Display, LCD)
Interface, embedded RAM card (Embedded Multi-Chip Package, EMCP) interface, T card interfaces,
TP interfaces, client identification module (Subscriber Identity Module, SIM) interface, utilizing camera interface
Or inductor interface.
In certain embodiments, the communication terminal can be applied to Public Switched Telephony Network (Public
Switched Telephone Network, PSTN) common analog telephone, dtelegraphone, coin electricity
Phone, card phone machine, IC Card Telephone machine, or it is applied to integrated services digital network (Integrated
Service Digital Network, ISDN) digital telephone set and be applied to the wireless of mobile communications network
Mobile phone.
Fig. 2 shows the structural representation of the ciphering and deciphering device 200 of another embodiment of the present invention, described
Ciphering and deciphering device 200, is applied to communication terminal, including application processor 201, the application processor 201
Including kernel module 2011, wherein, the kernel module 2011 is applied to the transmission communication terminal and receives
Communication data；And encryption/decryption module 2012, the encryption/decryption module 2012 and the kernel module
2011 connections, it is adaptable to which the communication data to being received from the kernel module 2011 is encrypted or decrypts.
Wherein, the communication data includes communicating data.Illustrate, the communicating data is to converse
Voice data in journey.Wherein, the encryption/decryption module 2012 is built in the application processor 201.
The built-in encryption/decryption module 2012 is beneficial in the application processor 201 simplify described plus solution
The structure of close device 200, reduces power consumption and cost.
With reference to Fig. 2, in certain embodiments, the ciphering and deciphering device 200 also includes modulation /demodulation module
203, the decode-regulating module 203 is connected with the application processor 201.In certain embodiments,
The modulation /demodulation module 203 and the application processor 201 set up special biography using shared drive mode
Defeated passage transmits thread.
With continued reference to Fig. 2, in certain embodiments, the ciphering and deciphering device 200 also includes at data signal
Reason module 205, the digital signal processing module 205 is connected with the modulation /demodulation module 203.One
In a little embodiments, the number that the digital signal processing module 205 and the modulation /demodulation module 203 are exchanged
Stored according to using ring-like cache way.
In certain embodiments, the communication data also includes note data.
In certain embodiments, the communicating data can be instant data.Illustrate, it is described
Instant data, in addition to necessary time needed for data transmission and processing, are not postponed by any extra, wherein,
Necessary time needed for data transmission and processing is very short to be can be ignored.
In certain embodiments, the ciphering and deciphering device 200 includes 2G/3G/4G antennal interfaces, WIFI/
Bluetooth/global positioning system/frequency modulation interface, liquid crystal display interface, embedded internal memory card interface, T clampings
Mouth, TP interfaces, client identification module interface, utilizing camera interface or inductor interface.
In certain embodiments, the communication terminal can be applied to Public Switched Telephony Network common
Analog telephone, dtelegraphone, coin-box telephone set, card phone machine, IC Card Telephone machine, it is also possible to
It is the digital telephone set for being applied to integrated services digital network and the wireless hand for being applied to mobile communications network
Machine.
The embodiment of the present invention also provides a kind of encipher-decipher method, is applied to the ciphering and deciphering device 100 or institute
State ciphering and deciphering device 200.Fig. 3 is the flow chart of the encipher-decipher method 300 of one embodiment of the invention.It is described
Encipher-decipher method 300 includes：
310：The communication data that the communication terminal is received is obtained, wherein, the communication data includes call
Data；And
320：The communication data is encrypted or decrypted.
Illustrate, the communicating data is the voice data in communication process.
In certain embodiments, the communicating data can be AMR forms.
In certain embodiments, the communicating data is instant data.Illustrate, it is described instant
Data, in addition to necessary time needed for data transmission and processing, are not postponed by any extra, wherein, data
Necessary time needed for transmission process is very short to be can be ignored.
In certain embodiments, the communication data also includes note data.
If the note data is long, in certain embodiments, the encipher-decipher method 300 also includes
Split the note data, so as to avoid the reception compatibling problem of ultralong short message.
In certain embodiments, when the encipher-decipher method 300 is applied to the ciphering and deciphering device 100,
The encipher-decipher method 300 also includes the transmission communication data by bus to being placed at the application
Manage the encryption/decryption module 1012 of device 101.
In certain embodiments, when the encipher-decipher method 300 is applied to the ciphering and deciphering device 200,
The encipher-decipher method 300 also includes the transmission communication data to being built in the application processor 201
The encryption/decryption module 2012.
Hereinafter, with reference to the ciphering and deciphering device 100 and the encipher-decipher method 300, call number is described in detail
According to the encipher-decipher method with note data.
Fig. 4 is the flow chart of the communicating data encipher-decipher method 400 of one embodiment of the invention.With reference to Fig. 1
And Fig. 4, the communicating data encipher-decipher method 400 includes：Send logical through standard voice data handling process
Talk about data 401 to the digital signal processing module 105；Send the communicating data 401 to decode-regulating
Module 103；The communicating data 401 is stored in ring-like buffer (not shown), wherein, the ring
Type buffer is located at the end of decode-regulating module 103；The decode-regulating module 103 and it is described should
Dedicated transmissions pipeline is set up using shared drive mode between processor 101 (Fig. 4 is not shown)；Send
The communicating data 401 is to the application processor 101；Send the communicating data 401 to described plus solution
Close module 1012；The communicating data 401 is encrypted or decrypted；Foldback passes through what is encrypted or decrypt
The communicating data 401 is to the decode-regulating module 103；And foldback is described by what is encrypted or decrypt
Communicating data 401 to the digital signal processing module 105 continues to walk the standard voice data processing stream
Journey.
Ground is illustrated, sending the communicating data 401 to the encryption/decryption module 1012 includes described answering
Encryption and decryption is sent with the kernel module 1011 in processor 101 ask 405 to the encryption/decryption module
1012.Wherein, the encryption and decryption request 405 includes the communicating data 401.
Ground is illustrated, foldback is by the communicating data 401 of encryption or decryption to the decode-regulating
Module 103 includes that the foldback encryption and decryption of the encryption/decryption module 1012 replys 409 to the application processor 101
In the kernel module 1011.Wherein, the encryption and decryption is replied 409 and includes passing through what is encrypted or decrypt
The communicating data 401.
Wherein, the standard voice data handling process is the speech data in road known in technical staff in field
Handling process.
Above-mentioned communicating data encipher-decipher method 400 can also be applied to the ciphering and deciphering device 200.
Fig. 5 is the flow chart of the note data encryption method 500 of one embodiment of the invention.With reference to Fig. 1 and
Fig. 5, the note data encryption method 500 includes：Send note data 501 to the kernel module
1011；CIPHERING REQUEST 505 is sent to the encryption/decryption module 1012, wherein the CIPHERING REQUEST 505 is wrapped
Include the note data 501；Operation is encrypted to the note data 501；Foldback encryption replys 509
To the kernel module 1011, the encryption replys 509 includes the note data 501 of encryption；Hair
Send the note data 501 of encryption to the modulation /demodulation module 103；And send the described short of encryption
Letter data 501.
Said short message data ciphering method 500, it is also possible to be applied to the ciphering and deciphering device 200.
Fig. 6 is the flow chart of the note data decryption method 600 of one embodiment of the invention.With reference to Fig. 1 and
Fig. 6, the note data decryption method 600 includes：Obtain the note data 601 of encryption；Send described
The note data 601 of encryption is to the decode-regulating module 103；Send the note data 601 of the encryption
To the kernel module 1011；Decoding request 605 is sent to the encryption/decryption module 1012, wherein described
Decoding request 605 includes the note data 601 of the encryption；Note data 601 to the encryption is carried out
Decryption oprerations；Foldback encryption replys 609 to the kernel module 1011, and the encryption replys 609 to be included
Original note data；And send the original note data to application software.
Said short message data decryption method 600, it is also possible to be applied to the ciphering and deciphering device 200.
In certain embodiments, the communication data is encrypted or decrypt include dynamic more new key.
Fig. 7 is the flow chart of the key dynamic updating method 700 of one embodiment of the invention.The key dynamic is more
New method 700 includes：
710：Obtain ordered series of numbers；
730：Generation first key sequence and the second key sequence；
750：Generate the 3rd key sequence and be based on the ordered series of numbers and the first key sequence；And
770：Update the 3rd key sequence and be based on second key sequence.
Wherein, the frequency that the item number correspondence of the ordered series of numbers is processed by the digital signal processing module 203
Number.Wherein, the frequency is obtained in time-domain sampling by the digital signal processing module 203 pairs
Communicating data carry out what is obtained after Fourier transformation.In certain embodiments, the ordered series of numbers is generated at random
Item；Wherein, in certain embodiments, the item of the ordered series of numbers can be positive integer.
In certain embodiments, generating the first key sequence and second key sequence includes：It is raw
Into key sequence seed；And the key sequence seed is iterated using AES.
Illustrate, the built-in described encryption/decryption module 2012 of the application processor 201 is described in
Key sequence seed is iterated using AES to the sequence seed, according to the difference of iterations
Produce the first key sequence and second key sequence.Wherein, iterations is more, generation
The encryption strength of the first key sequence and second key sequence is higher.In certain embodiments,
The AES includes SH256 AESs.
In certain embodiments, the key sequence seed is generated to be based on the time at talkthrough moment, lead to
The preset identity recognition number of words both sides' telephone number or chip.
In certain embodiments, the 3rd key sequence is scramble ordered series of numbers group, the scramble ordered series of numbers group bag
Include the ordered series of numbers of multiple scrambles.
In certain embodiments, generate the 3rd key sequence is included based on the first key sequence：
Obtain initial value of high position data of the first key sequence per byte as ordered series of numbers described in scramble；Obtain
Low data using the first key sequence per byte is used as scramble step-length；And ordered series of numbers base described in scramble
In the initial value and the scramble step-length.
Wherein, the first key sequence and second key sequence are set up specially by common memory mode
The modulation /demodulation module 203 is transferred into by the application processor 201 with pipeline.
Illustrate, the initial value is a sequence number for item in the ordered series of numbers, the scramble step-length
It is draw back item or the number of income forward.
In certain embodiments, ordered series of numbers described in scramble is based on the initial value and the scramble step-length including right
The ordered series of numbers at least carries out the place-exchange of first order.
It is illustrated that, a binary number is classified as 01101100, wherein, the high position data is 0010,
The low data is 0100, i.e., described initial value is 2, and the scramble step-length is 4, thus exchanges described
The Section 2 and Section 6 of ordered series of numbers obtain the ordered series of numbers 01001110 of scramble with ordered series of numbers described in scramble.
In certain embodiments, ordered series of numbers described in scramble be based on the initial value and the scramble step-length include by
The corresponding item of the initial value starts often by a scramble step-length, and first order is carried out to the ordered series of numbers
Place-exchange.
It is illustrated that, a binary number is classified as 01101100, wherein, the high position data is 0010,
The low data is 0010, i.e., described initial value is 2, and the scramble step-length is 2, thus by the 2nd
Start often to march forward 2 starting point and the place-exchange of advance terminal of once being advanced, and obtains scramble
The ordered series of numbers 01100110.
Illustrate by way of further example, a binary number is classified as 01101100, wherein, the high position data
It is 0010, the low data is 0001, i.e., described initial value is 2, the scramble step-length is 1, because
And often being marched forward by the 2nd 1 carries out once the corresponding item of the initial value, i.e., the 2nd, and
The place-exchange of the advance terminal, obtains the ordered series of numbers 01010110 of scramble.
In certain embodiments, the 3rd key sequence of generation is sent to the Digital Signal Processing mould
Block 205.
In certain embodiments, update the 3rd key sequence is included based on second key sequence：
Obtain duration of high position data of second key sequence per byte as continuous updating；Obtain described
Low data of two key sequences per byte is used as undated parameter；And in the selection scramble ordered series of numbers group
The ordered series of numbers of corresponding scramble is based on the duration and the undated parameter of the continuous updating.Wherein, institute
Stating the duration of continuous updating is used for the frequency that control key updates, and the duration of continuous updating is long, renewal frequency
Slowly；Conversely, the when length of continuous updating, renewal frequency is fast.Wherein, undated parameter includes the scramble
The sequence number of the ordered series of numbers of scramble in ordered series of numbers group.
It is illustrated that, the low data is that binary number 1000, i.e. undated parameter are 8, so that
The ordered series of numbers for choosing the 8th group of scramble in the scramble ordered series of numbers group updates current key.
In certain embodiments, scramble is based on by the frequency that the digital signal processing module 203 is processed
3rd key sequence is carrying out the encryption of communicating data.It is illustrated that, will be by the numeral
The frequency of the treatment of signal processing module 203 carries out convolution with the 3rd key sequence.Then, by adding
Close data enter the standard voice data handling process.
The embodiment of the present invention also provides a kind of communication terminal device.The communication terminal device includes：It is any
Described ciphering and deciphering device；And switching device, it is adaptable to it is turned on and off the ciphering and deciphering device.Its
In, the communication terminal device can be switched between encryption mode and general mode.Wherein, exist
Under general mode, communicating data or note data are not encrypted.
Illustrate, when the switching device is opened, the ciphering and deciphering device is opened, so that described
Phone enters encryption mode；When the switching device is closed, the ciphering and deciphering device is closed, so that institute
State phone and enter general mode.
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art,
Without departing from the spirit and scope of the present invention, can make various changes or modifications, therefore guarantor of the invention
Shield scope should be defined by claim limited range.
Claims (26)
1. a kind of ciphering and deciphering device, is applied to communication terminal, it is characterised in that including：
Application processor, the application processor includes kernel module, wherein, the kernel module is applicable
In the communication data that the communication terminal is received is transmitted, wherein the communication data packet includes communicating data；With
And
Encryption/decryption module, the encryption/decryption module is connected with the kernel module, it is adaptable to from described interior
The communication data received at core module is encrypted or decrypts.
2. ciphering and deciphering device as claimed in claim 1, it is characterised in that also including modulation /demodulation module, institute
Decode-regulating module is stated to be connected with the application processor.
3. ciphering and deciphering device as claimed in claim 2, it is characterised in that also including digital signal processing module,
The digital signal processing module is connected with the modulation /demodulation module.
4. ciphering and deciphering device as claimed in claim 2, it is characterised in that the modulation /demodulation module and described
Application processor sets up dedicated transmission channel transmission thread using shared drive mode.
5. ciphering and deciphering device as claimed in claim 3, it is characterised in that the digital signal processing module and
The data that the modulation /demodulation module is exchanged are stored using ring-like cache way.
6. ciphering and deciphering device as claimed in claim 1, it is characterised in that the encryption/decryption module passes through bus
With the external connection of the application processor.
7. ciphering and deciphering device as claimed in claim 6, it is characterised in that the bus includes that secure digital is defeated
Enter output interface bus, universal asynchronous receiving-transmitting interface bus, SPI bus or I2C interfaces total
Line.
8. ciphering and deciphering device as claimed in claim 1, it is characterised in that the encryption/decryption module is built in institute
In stating application processor.
9. ciphering and deciphering device as claimed in claim 1, it is characterised in that the communication data also includes short message
Data.
10. ciphering and deciphering device as claimed in claim 1, it is characterised in that the communicating data is instant data.
A kind of 11. encipher-decipher methods, are applied to the ciphering and deciphering device as described in any in claim 1 to 10, its
It is characterised by, including：
The communication data that the communication terminal is received is obtained, wherein, the communication data includes communicating data；
And
The communication data is encrypted or decrypted.
12. encipher-decipher methods as claimed in claim 11, it is characterised in that the communicating data is many self adaptations
Rate format.
13. encipher-decipher methods as claimed in claim 11, it is characterised in that the communicating data is instant data.
14. encipher-decipher methods as claimed in claim 11, it is characterised in that the communication data also includes short message
Data.
15. encipher-decipher methods as claimed in claim 14, it is characterised in that if also including the note data
It is long, split the note data.
16. encipher-decipher methods as claimed in claim 11, it is characterised in that also including transmitting the communication data
By bus to the encryption/decryption module for being placed on the application processor.
17. encipher-decipher methods as claimed in claim 11, it is characterised in that also including transmitting the communication data
To the encryption/decryption module for being built in the application processor.
18. encipher-decipher methods as claimed in claim 11, it is characterised in that be encrypted to the communication data
Or decryption includes dynamic more new key, wherein dynamic updates the key including：
Obtain ordered series of numbers；
Generation first key sequence and the second key sequence；
Generate the 3rd key sequence and be based on the ordered series of numbers and the first key sequence；And
Update the 3rd key sequence and be based on second key sequence.
19. encipher-decipher methods as claimed in claim 18, it is characterised in that the generation first key sequence and
Second key sequence includes：
Generation key sequence seed；And
The key sequence seed is iterated using AES.
20. encipher-decipher methods as claimed in claim 19, it is characterised in that the generation key sequence kind subbase
The preset identity recognition number of time, both call sides telephone number or chip in the talkthrough moment.
21. encipher-decipher methods as claimed in claim 18, it is characterised in that the 3rd key sequence is scramble
Ordered series of numbers group, the scramble ordered series of numbers group includes the ordered series of numbers of multiple scrambles.
22. encipher-decipher methods as claimed in claim 21, it is characterised in that generation the 3rd key sequence base
Include in the first key sequence：
Obtain initial value of high position data of the first key sequence per byte as ordered series of numbers described in scramble；
The low data using the first key sequence per byte is obtained as scramble step-length；And
Ordered series of numbers described in scramble is based on the initial value and the scramble step-length.
23. encipher-decipher methods as claimed in claim 22, it is characterised in that ordered series of numbers described in scramble is based on described first
Initial value and the scramble step-length include at least carrying out the ordered series of numbers place-exchange of first order.
24. encipher-decipher methods as claimed in claim 22, it is characterised in that ordered series of numbers described in scramble is based on described first
Initial value and the scramble step-length include often being walked by a scramble by the corresponding item of the initial value
It is long, the place-exchange of first order is carried out to the ordered series of numbers.
25. encipher-decipher methods as claimed in claim 21, it is characterised in that update the 3rd key sequence base
Include in second key sequence：
Obtain duration of high position data of second key sequence per byte as continuous updating；
Low data of second key sequence per byte is obtained as undated parameter；And
Choose corresponding scramble in the scramble ordered series of numbers group the array be based on the continuous updating when
The long and undated parameter.
A kind of 26. communication terminal devices, including：
Ciphering and deciphering device as described in any in claim 1 to 10；And
Switching device, it is adaptable to be turned on and off the ciphering and deciphering device.
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| CN201510947297.7A CN106888310A (en) | 2015-12-16 | 2015-12-16 | Ciphering and deciphering device and method and communication terminal device |
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| CN109040790A (en) * | 2018-06-28 | 2018-12-18 | 苏州科达科技股份有限公司 | Data encryption/decryption method, device and electronic equipment |
| CN110138807A (en) * | 2019-06-12 | 2019-08-16 | 北京塞宾科技有限公司 | A kind of high security conference system |
| CN112214795A (en) * | 2020-10-13 | 2021-01-12 | 天津津航计算技术研究所 | Encryption module suitable for various data bandwidths |
| CN116758661A (en) * | 2023-08-16 | 2023-09-15 | 鹿客科技(北京)股份有限公司 | Intelligent unlocking method, intelligent unlocking device, electronic equipment and computer readable medium |
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| CN112214795B (en) * | 2020-10-13 | 2022-08-16 | 天津津航计算技术研究所 | Encryption module suitable for various data bandwidths |
| CN116758661A (en) * | 2023-08-16 | 2023-09-15 | 鹿客科技(北京)股份有限公司 | Intelligent unlocking method, intelligent unlocking device, electronic equipment and computer readable medium |
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