CN106603223A - FPGA-based Rijndael-ECC encryption system - Google Patents
FPGA-based Rijndael-ECC encryption system Download PDFInfo
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- CN106603223A CN106603223A CN201611080575.4A CN201611080575A CN106603223A CN 106603223 A CN106603223 A CN 106603223A CN 201611080575 A CN201611080575 A CN 201611080575A CN 106603223 A CN106603223 A CN 106603223A
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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
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
- H04L9/0631—Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES algorithms
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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
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
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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
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
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- Storage Device Security (AREA)
Abstract
The invention relates to an FPGA-based Rijndael-ECC encryption system which comprises a data unit and a Rijndael encryption unit connected to the data unit. The Rijndael encryption unit receives data to-be-encrypted from the data unit, and obtains a data cipher text and a data secret key adapted to the data cipher text by utilizing a Rijndael encryption method for encryption, and the Rijndael encryption unit can transmit the generated data cipher text to a data packet processing unit and the data secret key to an ECC encryption unit; the ECC encryption unit receives the data secret key, obtains a secret key cipher text by utilizing an ECC encryption method for encryption, and transmits the obtained secret key cipher text to the data packet processing unit; and the data packet processing unit packets the received data cipher text and secret key cipher text into a required data packet, and sends out the packaged data packet via a data packet sender. The system can realize rapid digital signature generation and authentication, requirements for stability, power consumption and processing speed of the Internet of things are met, and the security of data transmission is improved.
Description
Technical field
The present invention relates to a kind of encryption system, especially a kind of Rijndael-ECC encryption systems based on FPGA, belong to
The technical field of data encryption.
Background technology
Widely using for Internet of Things brings all eurypalynous security threats, with SOC(system on a chip) (SoC) and low-power consumption it is embedding
Enter developing rapidly for formula technology so that Internet of Things is widely used in national defense and military, biologic medical, urban transportation, International Terrorism etc.
Many fields that strictly need to be ensured information safety, therefore, how more reliable safety guarantee is provided for internet of things have become
The focus of research.
Modern society's encryption technology of interest is not merely simple data encryption, but the bottom based on data
Communication security.Symmetric encipherment algorithm leads data security arts with its efficient processing means；Public key encryption algorithm is only with which
Some key management modes laugh heroes off, in line with the purpose made the best use of everything, by both completely different algorithm knots but having complementary advantages
Carrying out research altogether has very important theoretical and using value.And FPGA password field have it is safe, at a high speed,
These key factors such as low-power consumption, therefore, how by above-mentioned combination, it is asking of being badly in need of at present solving with the needs for meeting encryption
Topic.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, there is provided a kind of Rijndael-ECC based on FPGA
Encryption system, which can be realized that quick digital signature is generated and certification speed, meet Internet of Things for stability, power consumption and place
The requirement of reason speed, improves the safety of data transfer.
According to the technical scheme that the present invention is provided, the Rijndael-ECC encryption systems based on FPGA, including data
Unit and the Rijndael ciphering units being connected with the data cell, the Rijndael ciphering units receiving data unit
The be-encrypted data of transmission, and obtain data ciphertext using the encryption of Rijndael encryption methods and be adapted to the data ciphertext
Data key, Rijndael ciphering units can transmit the data ciphertext of generation to processing data packets unit, and data are close
Key is transmitted to ECC ciphering units；
ECC ciphering unit receiving data keys, and obtain key ciphertext using the encryption of ECC encryption methods, and will obtain
Key ciphertext is transmitted to processing data packets unit；The data ciphertext of reception, key ciphertext are packaged into by processing data packets unit
Required packet, and the packet after encapsulation is sent out into transmission by packet transmitter.
Also include digital signature unit, the digital signature unit include the data summarization unit that is connected with data cell with
And the ECDSA signature units being connected with the data summarization unit, it is to be encrypted that data summarization unit receiving data unit is transmitted
Data, and the data summarization of the be-encrypted data is obtained, and the data summarization is transmitted to ECDSA signature units；
ECDSA signature units are digitally signed using ECDSA endorsement methods to data summarization, to obtain digital signature number
According to body, and the digital signature data body is transmitted to Rijndael ciphering units；Rijndael ciphering units are utilized
Rijndael encryption methods are encrypted to digital signature data body, and to obtain ciphertext of signing, Rijndael ciphering units will be signed
Name ciphertext is transmitted to processing data packets unit；Processing data packets unit is by the data ciphertext for receiving, key ciphertext and signature
Ciphertext is packaged into required packet, and the packet after encapsulation is sent out transmission by packet transmitter.
The data summarization unit obtains data summarization using MD5 methods to data to be encrypted.
The Rijndael ciphering units are included data input register and are connected with the data input register
Key expansion unit, wheel ciphering unit and Rijndael control extension units, the key expansion unit also with cipher key cache
Device connects, and Rijndael control extensions unit and key expansion unit, the control end of wheel ciphering unit be connecteds, take turns ciphering unit and
Rijndael encryption output register connections.
The ECC ciphering units include data storage register, and the data storage register is produced with public, private key and patrolled
Unit and the connection of ECC control extensions unit are collected, the public, private key produces public key Q and the private key K that logical block is produced, institute
Stating public key Q, private key K adds unit and mould to carry out computing against unit respectively through modular multiplication unit, mould, to obtain key ciphertext, institute
State key ciphertext and output register output is encrypted by ECC, ECC control extensions unit adds unit and mould with modular multiplication unit, mould
The control end of inverse unit connects.
The Rijndael ciphering units are connected with processing data packets unit by data ciphertext transmission unit, and by close
Key extension transmission unit is connected with ECC ciphering units, and ECC ciphering units are by key ciphertext transmission unit and processing data packets list
Unit's connection.
The ECDSA signature units are connected with Rijndael ciphering units by digital signature transmission unit, Rijndael
Ciphering unit is connected with processing data packets unit by ciphertext transmission unit of signing.
Advantages of the present invention：Rijndael ciphering units carry out Rijndael encryptions to be-encrypted data, obtain data close
Text and data key, are encrypted to data key using ECC ciphering units, obtain key ciphertext, Rijndael ciphering units,
ECC ciphering units by FGPA realize, using FPGA advantage by Rijndael encrypt it is flexible, safe the characteristics of and
ECC encryption it is efficient, safe the characteristics of organically combine, can be digitally signed using ECDSA signature units, Rijndael encryption
Unit obtains ciphertext of signing using Rijndael encryption methods, so as to realize that quick digital signature is generated and certification speed,
Internet of Things is met for the requirement of stability, power consumption and processing speed, improve the safety of data transfer.
Description of the drawings
Fig. 1 is the flow chart of Rijndael AESs of the present invention.
Fig. 2 is that the FPGA of Rijndael ciphering units of the present invention realizes block diagram.
Fig. 3 is that the FPGA of ECC ciphering units of the present invention realizes block diagram.
Fig. 4 is the structured flowchart of the present invention.
Fig. 5 is the flow chart of ECDSA signature units of the present invention.
Description of reference numerals：1-Rijndael control extension units, 2- data input registers, 3- wheel ciphering units, 4-
Rijndael encryption output registers, 5- key expansion units, 6- cipher key cache devices, 7-ECC control extension units, 8- data are deposited
Memory register, 9- public, private keys produce logical block, 10- modular multiplication units, 11- moulds and add unit, 12- moulds to add against unit, 13-ECC
Close output register, 14-ECDSA signature units, 15- data summarization units, 16- data cells, 17-Rijndael encryptions are single
Unit, 18- digital signature transmission units, 19-ECC ciphering units, 20- processing data packets units, 21- packet transmitters, 22- numbers
It is single according to ciphertext transmission unit, 23- cipher key spreading transmission units, 24- signature ciphertext transmission units and the transmission of 25- keys ciphertext
Unit.
Specific embodiment
With reference to concrete drawings and Examples, the invention will be further described.
As shown in Figure 4：In order to be able to realize that quick digital signature is generated and certification speed, the safety of data transfer is improved
Property, the present invention includes data cell 16 and the Rijndael ciphering units 17 being connected with the data cell 16, described
The be-encrypted data of the transmission of 17 receiving data unit of Rijndael ciphering units 16, and encrypted using Rijndael encryption methods
The data key being adapted to data ciphertext and with the data ciphertext, Rijndael ciphering units 17 can be close by the data for producing
Text is transmitted to processing data packets unit 20, and data key is transmitted to ECC ciphering units 19；
19 receiving data key of ECC ciphering units, and key ciphertext is obtained using the encryption of ECC encryption methods, and will obtain
Key ciphertext transmit to processing data packets unit 20；Processing data packets unit 20 by receive data ciphertext, key ciphertext
Packet needed for being packaged into, and the packet after encapsulation is sent out into transmission by packet transmitter 21.
Specifically, the data to be encrypted needed for producing or receiving of data cell 16, and can be by data transfer to be encrypted
To Rijndael ciphering units 17, data cell 16 can adopt the way of realization that the art is commonly used, such as data-interface
Circuit, data producer etc. realize that specifically can be selected as needed, here is omitted.Rijndael ciphering units
17 can be encrypted using Rijndael encryption methods to the be-encrypted data of the transmission of data cell 16, added using Rijndael
After decryption method is encrypted, Rijndael ciphering units 17 can output data ciphertext and data key, the data key with
Data ciphertext is adapted, and specifically refers to, using the decryption of the complete paired data ciphertext of data key energy, using data key pair
The concrete decrypting process of data ciphertext is that here is omitted known to those skilled in the art.
Rijndael ciphering units 17 transmit data key to ECC ciphering units 19, and ECC ciphering units 19 utilize ECC
Encryption method obtains key ciphertext, and processing data packets unit 20 can be according to required packing forms, by data ciphertext, key ciphertext
It is packaged and obtains packet, and is outwards transmitted by packet transmitter 21.Packet transmitter 21 can be led using this technology
The conventional transmission transmission form in domain, the form and process of the 20 concrete encapsulation of processing data packets unit can be selected as needed
Select, specially known to those skilled in the art, here is omitted.
In the embodiment of the present invention, data cell 16, Rijndael ciphering units 17, ECC ciphering units 19 and packet
Processing unit 20 is realized by FPGA, using the characteristic of FGPA, can be realized the computing of data encryption etc., be improved the peace of data transfer
Quan Xing.
Further, the Rijndael ciphering units 17 are by data ciphertext transmission unit 22 and processing data packets unit
20 connections, and be connected with ECC ciphering units 19 by cipher key spreading transmission unit 23, ECC ciphering units 19 pass through key ciphertext
Transmission unit 25 is connected with processing data packets unit 20.
In the embodiment of the present invention, data ciphertext transmission unit 22 can realize the transmission of data ciphertext, and cipher key spreading transmission is single
Unit 23 can realize the transmission of data key, can realize the transmission of key ciphertext, data ciphertext by key ciphertext transmission unit 25
Transmission unit 22, cipher key spreading transmission unit 23 and key ciphertext transmission unit 25 realize respective counts by FPGA realizations
According to transmitting.
As depicted in figs. 1 and 2, the Rijndael ciphering units 17 include data input register 2 and with the number
Key expansion unit 5, wheel ciphering unit 3 and the Rijndael control extensions unit 1 connected according to input register 2, it is described close
Key expanding element 5 is also connected with cipher key cache device 6, and Rijndael control extensions unit 1 is single with key expansion unit 5, wheel encryption
The control end connection of unit 3, wheel ciphering unit 3 are connected with output register 4.
In the embodiment of the present invention, when Rijndael ciphering units 17 are realized by FPGA, mainly include the number realized by FPGA
According to input register 2, Rijndael control extensions unit 1, wheel ciphering unit 3, Rijndael encryption output register 4, key
Expanding element 5 and cipher key cache device 6, wherein, data input signal Data_in, data are realized by data input register 2
The reception and distribution of loading signal Date_ctrl, key input signal Key_in and key loading signal Key_ctrl, its
In, data input register 2 is incited somebody to action in data load signal Date_ctrl signal transmission to Rijndael control extensions unit 1
Key input signal Key_in, key loading signal Key_ctrl are transmitted to key expansion unit 5, and can be to wheel ciphering unit 3
Transmission key enabling signal star.
After Rijndael control extensions unit 1 receives data load signal Date_crrl, can be to key expansion unit 5
And wheel ciphering unit 3 transmits corresponding control signal, so that key expansion unit 5 and wheel ciphering unit 3 are carried out accordingly
Calculating process.
The key (being a random number for the first time) that the storage key expansion unit 5 of cipher key cache device 6 is produced, cipher key spreading list
Unit 5 produces the key required for each wheel encryption, then encrypts (altogether ten wheel) by wheel ciphering unit 3, by exporting after encryption ten times
4 output data key of depositor, data ciphertext then directly encrypt output data ciphertext by wheel ciphering unit 3.
When being embodied as, the key input signal Key_in that data input register 2 is received.Key loads signal Key_
Ctrl is exported by data cell 16, and data input register 2 can process the data of 128,192 or 256 bit wides.Cipher key spreading
Unit 5, it (is exactly briefly by a key that a wheel ciphering process is completed jointly between cipher key cache device 6 and wheel ciphering unit 3
Data encryption is exported for ten times again), detailed process is as shown in Figure 1：Wherein, the encryption key in Fig. 1 is provided by cipher key cache device 6,
Round key XOR then carries out corresponding arithmetic operation by key expansion unit 5, and in Fig. 1, remaining arithmetic section is then single by wheel encryption
Unit 3 completes.
After key expansion unit 3 enters road wheel encryption, output data ciphertext and data key, the data ciphertext, number
Export by Rijndael encryption output registers 4 according to key, i.e. Rijndael encrypts the data output signal of output register 4
Data_out includes data ciphertext and data key, additionally, Rijndael encryption output registers 4 are also exported and complete signal
Done。
As shown in figure 3, the ECC ciphering units 19 include data storage register 8, the data storage register 8 with
Public, private key produces logical block 9 and ECC control extensions unit 7 connects, and the public, private key produces what logical block 9 was produced
Public key Q and private key K, the public key Q, private key K add unit 11 and mould to carry out against unit 12 respectively through modular multiplication unit 10, mould
Computing, to obtain key ciphertext, the key ciphertext is encrypted output register 13 by ECC and is exported, ECC control extensions unit 7
Unit 11 and mould is added to be connected against the control end of unit 12 with modular multiplication unit 10, mould.
In the embodiment of the present invention, the ECC ciphering units 19 realized by FPGA include data storage register 8, public, private key
Producing logical block 9, ECC control extensions unit 7, modular multiplication unit 10, mould adds unit 11, mould defeated against unit 12 and ECC encryptions
Go out depositor 13, wherein, the data key M of 17 output of Rijndael ciphering units, public key are received by data storage register 8
Private key produces logical block 9 and produces public key Q and private key K, public key Q, private key K, data key M, by mould according to data key
Take advantage of unit 10, mould to add unit 11 and mould modular multiplication, mould to be carried out respectively against unit 12 add computing and modular inversion, Jing Guoshang
After stating computing, key ciphertext is exported by ECC encryption output registers 13 finally.ECC control extensions unit 7 controls modular multiplication unit
10th, mould adds unit 11 and mould against the concrete operation process of unit 12.
Specifically, the detailed process of public, private key generation logical block 9 generation public key Q and private key K is：Selection one is ellipse
Circular curve is expressed as E (a, b), then the selected basic point G on the elliptic curve；Between [1, n-1] it is random select one it is whole
Number K, calculates Q=KG, thus, it is determined that public key Q and private key K；That is private key K is selected at random, and E is the formula of elliptic curve, and a, b are just
It is major axis, short axle；G be exactly on elliptic curve a bit, n values as needed, n >=2ab, after private key K determines, public key Q energy
Determine therewith；Data key M, private key K, public key Q carry out modular multiplication, mould and add computing and modular inversion unit generation key close
Text, it is known to those skilled in the art, herein no longer that concrete modular multiplication, mould add the detailed process of computing and modular inversion
Repeat.
In order to be able to further improve the security reliability of data, also including digital signature unit, the digital signature list
The ECDSA signatures that unit is included the data summarization unit 15 being connected with data cell 16 and is connected with the data summarization unit 15
Unit 14, the be-encrypted data of the transmission of 15 receiving data unit of data summarization unit 16, and obtain the number of the be-encrypted data
According to summary, and the data summarization is transmitted to ECDSA signature units 14；
ECDSA signature units 14 are digitally signed using ECDSA endorsement methods to data summarization, to obtain digital signature
Data volume, and the digital signature data body is transmitted to Rijndael ciphering units 17；Rijndael ciphering units 17 are sharp
Digital signature data body is encrypted with Rijndael encryption methods, to obtain ciphertext of signing, Rijndael ciphering units 17
Signature ciphertext is transmitted to processing data packets unit 20；Processing data packets unit 20 by receive data ciphertext, key ciphertext
And signature ciphertext is packaged into required packet, and the packet after encapsulation is sent out passing by packet transmitter 21
It is defeated.
In the embodiment of the present invention, the data summarization unit 15 is to data to be encrypted using MD5 (Message Digest 5s the
Five editions) method obtains data summarization, and data summarization unit 15 is this technology using the detailed process that MD5 methods obtain data summarization
Known to the personnel of field, here is omitted.The ECDSA signature units 14 by digital signature transmission unit 18 with
Rijndael ciphering units 17 connect, and Rijndael ciphering units 17 are by ciphertext transmission unit 24 and the processing data packets list of signing
Unit 20 connects.
Data summarization unit 15, ECDSA signature units 14 and digital signature transmission unit 18 by FPGA realize, its
In, process that ECDSA signature units 14 are digitally signed as shown in figure 5, specifically,：It is (described that elliptic curve is initialized first
Elliptic curve is consistent with the elliptic curve of ECC), select any random number (random) k ∈ [1, n-1] (n of described n and ECC
It is identical) and calculate signature and the set of keys Q '=kE (x for verifying1,y1), r=x is calculated afterwards1Mod n, are then input into plaintext m,
Hash function is done to plaintext and processes Hash (m)=MD5 (m), and calculate s=(MD5 (M)+dr) k-1Mod n, specific computing
Journey is that here is omitted known to those skilled in the art.
Rijndael ciphering units 17 of the present invention carry out Rijndael encryptions to be-encrypted data, obtain data ciphertext and
Data key, is encrypted to data key using ECC ciphering units 19, obtains key ciphertext, Rijndael ciphering units 17, ECC
Ciphering unit 19 by FGPA realize, using FPGA advantage by Rijndael encrypt it is flexible, safe the characteristics of and ECC
Encryption it is efficient, safe the characteristics of organically combine, can be digitally signed using ECDSA signature units 14, Rijndael encryption
Unit 17 obtains ciphertext of signing using Rijndael encryption methods, so as to realize that quick digital signature is generated and certification speed
Degree, meets Internet of Things for the requirement of stability, power consumption and processing speed, improves the safety of data transfer.
Claims (7)
1. a kind of Rijndael-ECC encryption systems based on FPGA, is characterized in that：Including data cell (16) and with it is described
The Rijndael ciphering units (17) that data cell (16) connects, Rijndael ciphering units (17) the receiving data unit
(16) be-encrypted data transmitted, and using Rijndael encryption methods encryption obtain data ciphertext and with the data ciphertext
The data key of adaptation, Rijndael ciphering units (17) can transmit the data ciphertext of generation to processing data packets unit
(20), and by data key transmit to ECC ciphering units (19)；
ECC ciphering units (19) receiving data key, and obtain key ciphertext using the encryption of ECC encryption methods, and will obtain
Key ciphertext is transmitted to processing data packets unit (20)；Processing data packets unit (20) will be the data ciphertext for receiving, key close
Text is packaged into required packet, and the packet after encapsulation is sent out transmission by packet transmitter (21).
2. the Rijndael-ECC encryption systems based on FPGA according to claim 1, is characterized in that：Also include numeral label
Name unit, the digital signature unit include the data summarization unit (15) being connected with data cell (16) and with the data
The ECDSA signature units (14) that summary unit (15) connects, what data summarization unit (15) receiving data unit (16) was transmitted treats
Encryption data, and the data summarization of the be-encrypted data is obtained, and the data summarization is transmitted to ECDSA signature units
(14)；
ECDSA signature units (14) are digitally signed using ECDSA endorsement methods to data summarization, to obtain digital signature number
According to body, and the digital signature data body is transmitted to Rijndael ciphering units (17)；Rijndael ciphering units (17)
Digital signature data body is encrypted using Rijndael encryption methods, to obtain ciphertext of signing, Rijndael ciphering units
(17) signature ciphertext is transmitted to processing data packets unit (20)；Processing data packets unit (20) by receive data ciphertext,
Key ciphertext and signature ciphertext are packaged into required packet, and the packet after encapsulation is passed through packet transmitter (21)
It is sent out transmission.
3. the Rijndael-ECC encryption systems based on FPGA according to claim 2, is characterized in that：The data summarization
Unit (15) obtains data summarization using MD5 methods to data to be encrypted.
4. the Rijndael-ECC encryption systems based on FPGA according to claim 1, is characterized in that：The Rijndael
The cipher key spreading list that ciphering unit (17) is connected including data input register (2) and with the data input register (2)
First (5), wheel ciphering unit (3) and Rijndael control extension units (1), the key expansion unit (5) are also slow with key
Storage (6) connects, and Rijndael control extension units (1) is connected with the control end of key expansion unit (5), wheel ciphering unit (3)
Connect, wheel ciphering unit (3) is connected with Rijndael encryptions output register (4).
5. the Rijndael-ECC encryption systems based on FPGA according to claim 1, is characterized in that：The ECC encryptions
Unit (19) includes data storage register (8), and the data storage register (8) produces logical block (9) with public, private key
And ECC control extension units (7) connections, public key Q and private key K that public, private key generation logical block (9) produces, institute
Stating public key Q, private key K adds unit (11) and mould to carry out computing against unit (12) respectively through modular multiplication unit (10), mould, to obtain
Key ciphertext, the key ciphertext encrypt output register (13) output, ECC control extension units (7) and modular multiplication list by ECC
First (10), mould add unit (11) and mould to connect against the control end of unit (12).
6. the Rijndael-ECC encryption systems based on FPGA according to claim 1, is characterized in that：The Rijndael
Ciphering unit (17) is connected with processing data packets unit (20) by data ciphertext transmission unit (22), and is passed by cipher key spreading
Defeated unit (23) is connected with ECC ciphering units (19), and ECC ciphering units (19) are by key ciphertext transmission unit (25) and data
Bag processing unit (20) connects.
7. the Rijndael-ECC encryption systems based on FPGA according to claim 2, is characterized in that：The ECDSA is signed
Name unit (14) is connected with Rijndael ciphering units (17) by digital signature transmission unit (18), Rijndael ciphering units
(17) it is connected with processing data packets unit (20) by ciphertext transmission unit (24) of signing.
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| CN201611080575.4A CN106603223A (en) | 2016-11-30 | 2016-11-30 | FPGA-based Rijndael-ECC encryption system |
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| CN201611080575.4A CN106603223A (en) | 2016-11-30 | 2016-11-30 | FPGA-based Rijndael-ECC encryption system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107704268A (en) * | 2017-09-27 | 2018-02-16 | 郑州云海信息技术有限公司 | MD5 hash functions computational methods, system and computer-readable recording medium |
| CN108989032A (en) * | 2018-07-27 | 2018-12-11 | 深圳市新名泽科技有限公司 | Key reading/writing method, device, block catenary system and terminal device |
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