CN108259179A - A kind of encryption-decryption coprocessor and its operation method based on SM9 id password algorithms - Google Patents
A kind of encryption-decryption coprocessor and its operation method based on SM9 id password algorithms Download PDFInfo
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- CN108259179A CN108259179A CN201611245063.9A CN201611245063A CN108259179A CN 108259179 A CN108259179 A CN 108259179A CN 201611245063 A CN201611245063 A CN 201611245063A CN 108259179 A CN108259179 A CN 108259179A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
- H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
- H04L9/3252—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures using DSA or related signature schemes, e.g. elliptic based signatures, ElGamal or Schnorr schemes
Abstract
The present invention relates to a kind of encryption-decryption coprocessor and its operation method based on SM9 id password algorithms, the encryption-decryption coprocessor includes：Instruction inputting device is used to convert external command；SM9 main operational modules, be used to completing elliptic curve cipher ECC points add, ECC extraordinarily, expand domain ECC points add, expands domain ECC extraordinarily, big digital-to-analogue power and expansion field element mould power；Flowing water controls computing module, it is used to implement to SM9 main operationals module, SM9 pretreatment computing modules and the dynamic call of basic operation device and the data dispatch of assembly line, and flowing water control computing module is controlled by the data period and completes ECC dot products and expand domain ECC point multiplication operations；SM9 pre-processes computing module, is used for the calculating before the splicing being identified, coordinate system conversion, the calculating of common parameter and ECC pairing arithmetic operations；Basic operation device is used to complete modular multiplication, and mould is subject to and mould subtracts operation, and the basic operation device controls computing module and SM9 main operational modules to be connected with the flowing water.
Description
Technical field
The present invention relates to ciphering and deciphering device field, and more particularly, to a kind of adding based on SM9 id password algorithms
Decrypt coprocessor and its operation method.
Background technology
The cryptographic system (Identity-Based Cryptograph, abbreviation IBC) of identity-based mark is a kind of non-right
The public key cryptography system of title.The public key of user is uniquely determined by user identifier, so as to which user does not need to third party to ensure public key
Authenticity.Construction mark public key cryptography is matched with elliptic curve, in the cyclic subgroup of elliptic curve and the multiplication loop in expansion domain
Contact is established between subgroup, constitutes bilinearity problem.When elliptic curves discrete logarithm problem and expand domain discrete logarithm problem
It, can be with elliptic curve to constructing safety and realizing the id password system of efficiency optimization when solution difficulty is suitable.
China national id password algorithm in 2007 formally by evaluation, gives the close algorithm model of SM9 quotient；It completes within 2014
The selected work of SM9 algorithm curves；National Password Management office issues within 2016《SM9 id password algorithms》, standard number：
GM/T 0044-2016。
SM9 id password algorithms have the characteristics that facilitate easy-to-use, this causes it to can be widely applied to intelligent terminal, Internet of Things
In the hardware devices such as net, therefore the SM9 id password algorithm encryption-decryption coprocessors for designing a practicality and high efficiency just seem particularly
It is important.
Invention content
In order to solve the above problem existing for background technology, the present invention provides a kind of adding based on SM9 id password algorithms
Decrypt coprocessor.SM9 crypto-operations, which can imitate, to be disassembled as Large-number operation, the operation of expansion field element, expanding domain ECC, (elliptic curve is close
Code) operation, ECC pairing operations and ECC operations, wherein Large-number operation is most basic computing module, other computing modules all according to
Rely in Large-number operation, SM9 crypto-operations can be constructed by these computing modules, handed over including encryption and decryption, signature verification and key
It changes.Therefore, encryption-decryption coprocessor of the present invention includes：
Instruction inputting device is used to convert external command, described device respectively with SM9 main operationals module,
SM9 pre-processes computing module and flowing water control computing module is connected；
SM9 main operational modules, be used to completing elliptic curve cipher ECC points add, ECC extraordinarily, expand domain ECC points and add, expand
Domain ECC extraordinarily, big digital-to-analogue power and expand field element mould power, the SM9 main operationals module and SM9 pretreatment computing module, stream
Water management computing module and basic operation device are connected；
Flowing water controls computing module, is used to implement to SM9 main operationals module, SM9 pretreatment computing modules and basic
The dynamic call of arithmetic unit and the data dispatch of assembly line, and flowing water control computing module has been controlled by the data period
Into ECC dot products and expand domain ECC point multiplication operations, flowing water control computing module respectively with instruction inputting device, SM9 main operationals
Module, SM9 pretreatment computing modules are connected with basic operation device；
SM9 pre-processes computing module, is used for the calculating before the splicing that is identified, coordinate system conversion, common parameter
Calculate and ECC match arithmetic operation, SM9 pretreatment computing module respectively with instruction inputting device, SM9 main operational modules
It is connected with flowing water control computing module；
Basic operation device is used to complete modular multiplication, and mould is subject to and mould subtracts operation, the basic operation device and the flowing water control
Computing module processed is connected with SM9 main operational modules.
Further, the basic operation device includes：Circulating register group, multiplier, gate, interim deposit
Device, adder, carry storage register and subtraction logic unit.
Further, the encryption-decryption coprocessor further includes caching, the caching respectively with the instruction input
Device is connected with basic operation device.
Further, described instruction input unit is decoder, wherein decoder control SM9 main operationals module,
SM9 pre-processes computing module and flowing water control computing module completes SM9 id password operations, and control basic operation device completes mould
Multiply, add, subtracting calculating and the initialization of control caching, displacement and storage.
Further, the decoder is for providing enabling signal, including receiving writing letter for external microprogram control unit
Number, read signal, reset signal, the address signal of 8 input terminal and receive from SM9 main operationals module, SM9 pre-process
The input terminal of state value that computing module and flowing water control computing module return.
Further, the enabling signal be to SM9 main operational modules send out through decoding generate enabling signal, to
SM9 pretreatment computing module send out through decoding generate enabling signal, to flowing water control computing module send out through decoding produce
The signal of raw enabling signal and the read/write data generated through decoding to caching output.
Further, complex calculation is being divided into sequence execution by the pipeline data scheduling of the flowing water control computing module
5 steps, when each clock cycle is only completed one of step, i.e. single-stage the flow work, once-through operation need 5 when
Clock computation of Period goes out result.
Further, using combination connecting mode, coordinate system turns for the splicing identified in the SM9 pretreatments computing module
It changes the calculating with common parameter to be completed by modular multiplication combination adder, ECC pairing operations mainly pass through basic Large-number operation, expansion
Field element operation and ECC points add/and extraordinarily operation realizes.
According to another aspect of the present invention, the present invention provides a kind of based on the progress encryption and decryption calculating of SM9 id passwords algorithm
Method, the method includes：
Input unit is enabled to convert external command；
Basic operation device completes modular multiplication, and mould is subject to and mould subtracts operation；
Flowing water control computing module carries out the dynamic call of basic operation device and the data dispatch of assembly line, passes through data week
Phase control completes ECC dot products and expands domain ECC point multiplication operations；
Flowing water control computing module carries out basic operation device and the dynamic call of SM9 main operational modules and the number of assembly line
According to scheduling, controlled by the data period complete elliptic curve cipher ECC points add, ECC extraordinarily, expand domain ECC points and add, expand ECC times of domain
Add, big digital-to-analogue power and expand field element Montgomery Algorithm；
Flowing water control computing module carries out basic operation device and the dynamic call of SM9 preprocessing modules and the data of assembly line
Scheduling controls the calculating before the splicing for completing mark, coordinate system conversion, the calculating of common parameter and ECC to match by the data period
To arithmetic operation；And
Complete SM9 crypto-operations.
By the encryption-decryption coprocessor provided by the invention based on SM9 id password algorithms, by SM9 id password algorithms
Effectively disassemble, the regularity of data processing, concurrency, the durability of device and it is reconstitution on have certain novelty, and
And the encryption-decryption coprocessor interface mode is simple, using modularity control, greatly speeds up arithmetic speed, by ECC dot products
Match reciprocity complex calculation with ECC and be decomposed into regular multiplication and add and subtract basic calculating entirely, regular calculating operation, spacer step in reduction
Suddenly, reduce the number of register, there is stronger practicability.
Description of the drawings
By reference to the following drawings, exemplary embodiments of the present invention can be more fully understood by：
Fig. 1 is the structure chart of the encryption-decryption coprocessor based on SM9 id password algorithms of the specific embodiment of the invention；
And
Fig. 2 is the stream of the method that encryption and decryption calculating is carried out based on SM9 id passwords algorithm of the specific embodiment of the invention
Cheng Tu.
Specific embodiment
Exemplary embodiments of the present invention are introduced referring now to attached drawing, however, the present invention can use many different shapes
Formula is implemented, and be not limited to the embodiment described herein, and to provide these embodiments be to disclose at large and fully
The present invention, and fully convey the scope of the present invention to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached
Icon is remembered.
Unless otherwise indicated, term used herein has person of ordinary skill in the field (including scientific and technical terminology)
It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, should be understood as and its
The linguistic context of related field has consistent meaning, and is not construed as Utopian or too formal meaning.
Fig. 1 is the structure chart of the encryption-decryption coprocessor based on SM9 id password algorithms of the specific embodiment of the invention.
As shown in Figure 1, the encryption-decryption coprocessor 100 includes instruction inputting device 101, SM9 main operationals module 102, flowing water control
Computing module 103 processed, SM9 pretreatments computing module 104, basic operation device 105 and caching 106.
Instruction inputting device 101 is used to convert external command, described device respectively with SM9 main operational moulds
Block, SM9 pretreatment computing modules and flowing water control computing module are connected；
SM9 main operationals module 102, be used to completing elliptic curve cipher ECC points add, ECC extraordinarily, expand domain ECC points add,
Expand domain ECC extraordinarily, big digital-to-analogue power and expand field element mould power, the SM9 main operationals module and SM9 pretreatment computing module,
Flowing water controls computing module and basic operation device to be connected；Flowing water controls computing module 103, is used to implement to SM9 cores
Computing module, SM9 pretreatment computing modules and the dynamic call of basic operation device and the data dispatch of assembly line, and the stream
Water management computing module is controlled by the data period completes ECC dot products and expansion domain ECC point multiplication operations；
SM9 pre-processes computing module 104, is used for the calculating before the splicing being identified, coordinate system conversion, common parameter
Calculating and ECC pairing arithmetic operations, SM9 pretreatment computing module respectively with instruction inputting device, SM9 main operational moulds
Block is connected with flowing water control computing module；
Basic operation device 105 is used to complete modular multiplication, and mould is subject to and mould subtracts operation, the basic operation device and the stream
Water management computing module is connected with SM9 main operational modules.
Preferably, the basic operation device 105 includes：Circulating register group, multiplier, gate, interim deposit
Device, adder, carry storage register and subtraction logic unit.
Preferably, the encryption-decryption coprocessor further includes caching 106, the caching respectively with the instruction input
Device 101 is connected with basic operation device 105.
Preferably, it is decoder that described instruction input, which fills 101, wherein the decoder controls SM9 main operational modules
102nd, SM9 pre-processes computing module 104 and flowing water control computing module 103 completes SM9 id password operations, controls basic fortune
Device 105 is calculated to complete modular multiplication, add, subtract calculating and the initialization of control caching, displacement and storage.
Preferably, the decoder is used to provide enabling signal, the write signal including the external microprogram control unit of reception,
Read signal, reset signal, the input terminal of the address signal of 8 and reception pre-process operation from SM9 main operationals module, SM9
The input terminal of state value that module and flowing water control computing module return.
Preferably, the enabling signal be to SM9 main operationals module 102 send out through decoding generate enabling signal,
The enabling signal generated through decoding that is sent out to SM9 pretreatment computing modules 104 is sent out to flowing water control computing module 103
The signal of the enabling signal generated through decoding and the read/write data generated through decoding to caching output.
Preferably, the pipeline data scheduling of flowing water control computing module 103 is held complex calculation is divided into sequence
5 capable steps, when each clock cycle is only completed one of step, i.e. single-stage the flow work, once-through operation needs 5
Clock cycle calculates result.
Preferably, the splicing identified in the SM9 pretreatments computing module 104 uses combination connecting mode, coordinate system
Conversion and the calculating of common parameter are completed by modular multiplication combination adder, ECC pairings operation mainly by basic Large-number operation,
Expand field element operation and ECC points add/extraordinarily operation realizes.
Fig. 2 is the stream of the method that encryption and decryption calculating is carried out based on SM9 id passwords algorithm of the specific embodiment of the invention
Cheng Tu.As shown in Fig. 2, the method for encryption and decryption calculating is carried out since step S201 based on SM9 id passwords algorithm.
In step S201, instruction inputting device converts external command；
In step S202, basic operation device completes modular multiplication, and mould is subject to and mould subtracts operation；
In step S203, flowing water control computing module carries out the dynamic call of basic operation device and the data tune of assembly line
Degree is controlled by the data period and completes ECC dot products and expansion domain ECC point multiplication operations；
In step S204, flowing water control computing module carries out the dynamic call of basic operation device and SM9 main operational modules
With the data dispatch of assembly line, by the data period control complete elliptic curve cipher ECC points add, ECC extraordinarily, expand domain ECC points
Add, expand domain ECC extraordinarily, big digital-to-analogue power and expand field element Montgomery Algorithm；
In step S205, flowing water control computing module carry out basic operation device and SM9 preprocessing modules dynamic call and
The data dispatch of assembly line controls the calculating before the splicing for completing mark, coordinate system conversion, common parameter by data periods
It calculates and ECC matches arithmetic operation；And
In step S206, SM9 crypto-operations are completed.
By the way that above embodiments describe the present invention.However, it is known in those skilled in the art, as subsidiary
Patent right requirement limited, in addition to the present invention other embodiments disclosed above are equally fallen in the scope of the present invention
It is interior.
Normally, all terms used in the claims are all solved according to them in the common meaning of technical field
It releases, unless in addition clearly being defined wherein.All references " one/described/be somebody's turn to do【Device, component etc.】" all it is opened ground
At least one of described device, component etc. example is construed to, unless otherwise expressly specified.Any method disclosed herein
Step need not all be run with disclosed accurate sequence, unless explicitly stated otherwise.
Claims (9)
- A kind of 1. encryption-decryption coprocessor based on SM9 id password algorithms, which is characterized in that the encryption-decryption coprocessor packet It includes：Instruction inputting device is used to convert external command, and described device is pre- with SM9 main operationals module, SM9 respectively Processing computing module and flowing water control computing module are connected；SM9 main operational modules, be used to completing elliptic curve cipher ECC points add, ECC extraordinarily, expand domain ECC points and add, expand domain ECC Extraordinarily, big digital-to-analogue power and expansion field element mould power, the SM9 main operationals module are controlled with SM9 pretreatments computing module, flowing water Computing module and basic operation device are connected；Flowing water controls computing module, is used to implement to SM9 main operationals module, SM9 pretreatment computing modules and basic operation The dynamic call of device and the data dispatch of assembly line, and flowing water control computing module is controlled by the data period and completed ECC dot products and expand domain ECC point multiplication operations, flowing water control computing module respectively with instruction inputting device, SM9 main operational moulds Block, SM9 pretreatment computing modules are connected with basic operation device；SM9 pre-processes computing module, is used for the calculating before the splicing being identified, coordinate system conversion, the calculating of common parameter Match arithmetic operation with ECC, SM9 pretreatment computing module respectively with instruction inputting device, SM9 main operationals module and stream Water management computing module is connected；AndBasic operation device is used to complete modular multiplication, and mould is subject to and mould subtracts operation, and the basic operation device is transported with flowing water control Module is calculated with SM9 main operational modules to be connected.
- 2. encryption-decryption coprocessor according to claim 1, which is characterized in that the basic operation device includes：Cycle is moved Bit register group, multiplier, gate, temporary register, adder, carry storage register and subtraction logic unit.
- 3. encryption-decryption coprocessor according to claim 1, which is characterized in that the encryption-decryption coprocessor further includes slow It deposits, the caching is connected respectively with the instruction inputting device and basic operation device.
- 4. encryption-decryption coprocessor according to claim 3, which is characterized in that described instruction input unit is decoder, Wherein described decoder control SM9 main operationals module, SM9 pretreatment computing modules and flowing water control computing module are completed SM9 id password operations, control basic operation device complete modular multiplication, add, subtract calculating and the initialization of control caching, shift and deposit Storage.
- 5. encryption-decryption coprocessor according to claim 4, which is characterized in that the decoder starts letter for providing Number, the input terminal of write signal, read signal, reset signal, the address signal of 8 including the external microprogram control unit of reception, And receive the state value returned from SM9 main operationals module, SM9 pretreatment computing modules and flowing water control computing module Input terminal.
- 6. encryption-decryption coprocessor according to claim 5, which is characterized in that the enabling signal is to be transported to SM9 cores Calculate the module enabling signal generated through decoding sent out, the startup generated through decoding sent out to SM9 pretreatment computing modules is believed Number, to flowing water control computing module send out through decoding generate enabling signal and to caching output through decoding generate reading/ Write the signal of data.
- 7. the apparatus according to claim 1, which is characterized in that the pipeline data scheduling of the flowing water control computing module In 5 steps that complex calculation is divided into sequence execution, each clock cycle is only completed one of step, i.e. single-stage assembly line During work, once-through operation needs 5 clock cycle to calculate result.
- 8. the apparatus according to claim 1, which is characterized in that the splicing identified in the SM9 pretreatments computing module is adopted With combination connecting mode, the conversion of coordinate system and the calculating of common parameter are completed by modular multiplication combination adder, ECC pairing operations Mainly by basic Large-number operation, expand field element operation and ECC points add/extraordinarily operation realizes.
- A kind of 9. method that encryption and decryption calculating is carried out based on SM9 id passwords algorithm, which is characterized in that the method includes：Instruction inputting device converts external command；Basic operation device completes modular multiplication, and mould is subject to and mould subtracts operation；Flowing water control computing module carries out the dynamic call of basic operation device and the data dispatch of assembly line, is controlled by the data period System completes ECC dot products and expands domain ECC point multiplication operations；Flowing water control computing module carries out basic operation device and the dynamic call of SM9 main operational modules and the data tune of assembly line Degree, controlled by the data period complete elliptic curve cipher ECC points add, ECC extraordinarily, expand domain ECC points and add, expand domain ECC extraordinarily, greatly Digital-to-analogue power and expansion field element Montgomery Algorithm；Flowing water control computing module carries out basic operation device and the dynamic call of SM9 preprocessing modules and the data tune of assembly line Degree controls the calculating before the splicing for completing mark, coordinate system conversion, the calculating of common parameter and ECC to match by the data period Arithmetic operation；AndComplete SM9 crypto-operations.
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Cited By (4)
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| CN110247759A (en) * | 2019-06-03 | 2019-09-17 | 武汉理工大学 | A kind of SM9 private key generates and application method and system |
| CN112436941A (en) * | 2020-11-03 | 2021-03-02 | 海光信息技术股份有限公司 | Coprocessor, method, chip and electronic equipment supporting identification cipher algorithm |
| CN112769556A (en) * | 2020-12-30 | 2021-05-07 | 北京宏思电子技术有限责任公司 | Implementation method and device for accelerating SM9 bilinear pairing operation in embedded system |
| CN113660087A (en) * | 2021-07-06 | 2021-11-16 | 浙江传媒学院 | SM9 identification cryptographic algorithm hardware implementation system based on finite field |
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