CN113098693B - Memory verification method based on physical unclonable function algorithm - Google Patents
Memory verification method based on physical unclonable function algorithm Download PDFInfo
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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
- H04L9/3271—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 using challenge-response
- H04L9/3278—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 using challenge-response using physically unclonable functions [PUF]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
- H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
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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
- H04L9/3236—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 using cryptographic hash functions
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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
- H04L9/3236—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 using cryptographic hash functions
- H04L9/3242—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 using cryptographic hash functions involving keyed hash functions, e.g. message authentication codes [MACs], CBC-MAC or HMAC
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Abstract
The invention relates to a physical unclonable function algorithm-based storage verification method, belonging to the technical field of data storage verification; the technical problem to be solved is as follows: the improvement of a physical unclonable function algorithm-based memory verification method is provided; the technical scheme for solving the technical problem is as follows: the method comprises a client-side certificate-storing calculation step and a server-side certificate-storing calculation step, and finally, certificate-storing verification calculation is carried out; the client-side certificate storage calculation specifically comprises the steps that a long random number is generated by a client-side, and the client-side identifies the client-side through an encryption channel; the server side stores the certificate and calculates the client side identification, the long random number and the target data which are sent by the encrypted channel and received by the server side, and the server side finds the pre-stored corresponding client side identification and a pair of pre-stored long random numbers and physical codes which correspond to the client side identification; the method comprises the steps that evidence storage identification and target data are obtained from a client through evidence storage and verification calculation, and the verification end sends the evidence storage identification and the target data to a server end; the invention is applied to the verification of data storage.
Description
Technical Field
The invention discloses a physical unclonable function algorithm-based storage verification method, and belongs to the technical field of data storage verification.
Background
In academic research and daily life, a block chain is one of the fields with high discussion heat, and according to definition, the block chain is a special shared database, and data or information stored in the database has the characteristics of unforgeability, trace retention in the whole process, traceability, public transparency, collective maintenance and the like; because the safety of the block chain technology is very high, the important data safety value of a block chain system which is difficult to crack so far is realized, a plurality of nodes participate in an asymmetric encryption algorithm, a data sharing mode of multiple parties is provided for reducing the data safety risk and government affair information sharing development, decentralized consensus of the upper limit of a user and expansibility of a commercial application scene under an intelligent contract are not set, and a technical solution with good business compatibility is provided for ensuring data utilization and information industry development under data safety.
However, at present, a defect exists in the interaction process of the certificate storage encrypted data in the block chain design, and the equipment used by the client during certificate storage cannot be verified in the certificate storage process, so that the certificate storage client can store the certificate on illegal equipment, the authenticity or identity of the certificate storage data cannot be guaranteed, and the vulnerability can cause telecommunication fraud to some users in violation of laws.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to solve the technical problems that: the improvement of the verification method based on the physical unclonable function algorithm is provided.
In order to solve the technical problems, the invention adopts the technical scheme that: a physical unclonable function algorithm-based storage and verification method comprises a client storage and verification calculation step and a server storage and verification calculation step, and finally, storage and verification calculation is carried out;
the client certificate storage calculation specifically comprises the following steps:
step C1: defining the client certificate storage calculation as a client identifier, and generating a long random number by the client, wherein the long random number is defined as a long random number A2;
step C2: the client sends the client identification, the long random number A2 and the target data A to be authenticated to the server through an encrypted channel;
step C3: the client receives the server identification and the long random number B2 sent by the encrypted channel;
step C4: the client side adopts a physical unclonable equation A11, inputs a long random number B2 and obtains an output physical code A3;
step C5: the client side adopts a short hash digest code function A12, takes a physical code A3, a long random number A2, a long random number B2 and target data A as input, and generates output which is a short hash digest code A4;
step C6: the client side erases the physical code A3;
step C7: the client side sends the client side identification and the short hash digest code A4 to the server side by using a non-deception non-blocking channel;
the server side certificate storage calculation specifically comprises the following steps:
step S1: defining a server-side authentication storage algorithm as a server-side identifier, and receiving a client-side identifier, a long random number A2 and target data A to be authenticated from an encrypted channel by the server side;
step S2: the server side finds out the pre-stored corresponding client side identification and a pair of long random numbers B2 and a physical code B3 which are pre-stored corresponding to the client side identification;
step S3: the server side sends the server side identification and the long random number B2 to the client side by using an encryption channel;
step S4: the server receives the client identification and the short hash digest code A4 sent by the non-spoofing non-blocking channel;
step S5: the server side adopts a short hash digest code function A12, takes a physical code B3, a long random number A2, a long random number B2 and target data A as input, and generates output which is a short hash digest code B4;
step S6: the server side verifies and compares whether the short hash digest code B4 is equal to the short hash digest code A4 received by the non-spoofing non-blocking channel:
if not, the output server side fails to verify;
if yes, go on to step S7;
step S7: the server side obtains a timestamp D1;
step S8: the server side generates failure time D2;
step S9: the server generates a certificate storing identification D3;
step S10: the server side adopts a message authentication function D4 to input a physical code A3, a long random number A2, a long random number B2 and target data A and output a message authentication code D5;
step S11: the server side writes a certificate storage identification D3, a client side identification, a server side identification, a timestamp D1, expiration time D2, a long random number A2, a long random number B2 and a message authentication code D5 into a block chain;
and finally, carrying out storage and verification calculation, wherein the storage and verification calculation specifically comprises the following steps:
step V1: setting a verification algorithm as a verification end identifier, and acquiring a evidence-storing identifier D3 and target data B from a client;
step V2: the verification end sends the certificate storage identification D3 and the target data B to the server end;
step V3: the server side searches a certificate storage identification D3, a client side identification, a server side identification, a timestamp D1, expiration time D2, a long random number A2, a long random number B2 and a message authentication code D5 on the blockchain according to the certificate storage identification D3;
step V4: the server side checks whether the current time is before the expiration time D2:
if yes, go to step V5;
if not, outputting verification failure;
step V5: the server side verifies whether the timestamp D1 is correct through a national authority time service center:
if yes, go to step V6;
if not, outputting verification failure;
step V6: the server side adopts a message authentication function D4, takes a physical code A3, a long random number A2, a long random number B2 and target data B as input, and generates output as a message authentication code D6;
step V7: the server compares whether the message authentication code D5 and the message authentication code D6 are equal:
if not, the output verification fails;
if the two are equal, the output verification is successful;
step V8: and the server side sends the verification result to the verification side to complete the whole verification and verification process.
In the step C2 and the step V2, in the process of sending the data to the server, the sent data needs to be encrypted and transmitted through an encryption channel, and the used encryption channel is SSL, TLS, or HTTPS.
The specific contents of the physical unclonable equation a11 used in said step C4 depend on the physical random elements inherently present and accidentally introduced by the client during the manufacturing process.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, a physical unclonable function PUF, a deception-free non-blocking channel and a short hash digest code function are combined, so that authenticated client equipment has irreplaceability during certificate storage operation, the uniqueness of the whole-process operation of a client is realized, and a vulnerability is repaired, so that the whole certificate storage algorithm meets legal requirements; the improved certificate storage protocol can carry out authentification and message integrity check through a non-deception non-blocking channel and a short hash digest code function, so that the certificate storage process is more convenient and safer.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a flowchart illustrating the steps of client and server authentication calculations according to the present invention;
FIG. 2 is a flowchart of the steps of the verification calculation of the present invention.
Detailed Description
As shown in fig. 1 and fig. 2, the present invention specifically provides a method for verifying the storage based on a physical unclonable function algorithm, and specifically relates to a client-side storage algorithm (the identifier is set as a client identifier) and a server-side storage algorithm (the identifier is set as a server identifier), and improves the existing verification algorithms, wherein the storage calculation of the client and the server is performed simultaneously, and finally, the verification calculation is performed.
The client certificate storage calculation specifically comprises the following steps:
step C1: defining the client certificate storage calculation as a client identifier, and generating a long random number by the client, wherein the long random number is defined as a long random number A2;
step C2: the client sends the client identification, the long random number A2 and the target data A to be authenticated to the server through an encrypted channel; typical encrypted channels may be SSL, TLS, or HTTPS;
step C3: the client receives the server identification and the long random number B2 sent by the encrypted channel;
step C4: the client side adopts a physical unclonable equation A11, inputs a long random number B2 and obtains an output physical code A3; the typical physical unclonable equation depends on physical random elements inherently existing and accidentally introduced by a client in the manufacturing process, and since the typical physical code is generated according to the physical characteristics of circuit elements according to needs, the copying and cloning are almost impossible, and the safety is high;
step C5: the client side adopts a short hash digest code function A12, takes a physical code A3, a long random number A2, a long random number B2 and target data A as input, and generates output which is a short hash digest code A4;
step C6: the client side erases the physical code A3;
step C7: the client sends the client identification and the short hash digest code A4 to the server by a non-deception non-blocking channel; typical non-spoofed, non-blocking channels guarantee message integrity and authentification, but can be eavesdropped.
The server side certificate storage calculation specifically comprises the following steps:
step S1: defining a server-side authentication algorithm as a server-side identifier, receiving the client-side identifier, the long random number A2 and target data A to be authenticated from an encrypted channel by the server side, and corresponding to the step C2;
step S2: the server side finds out the pre-stored corresponding client side identification and a pair of long random numbers B2 and a physical code B3 which are pre-stored corresponding to the client side identification;
step S3: the server sends the server identification and the long random number B2 to the client by using an encrypted channel, which corresponds to the step C3;
step S4: the server receives the client identifier and the short hash digest code A4 sent by the non-spoofing non-blocking channel, corresponding to the step C7;
step S5: the server side adopts a short hash digest code function A12, takes a physical code B3, a long random number A2, a long random number B2 and target data A as input, and generates output which is a short hash digest code B4;
step S6: the server side verifies and compares whether the short hash digest code B4 is equal to the short hash digest code A4 received by the non-spoofing non-blocking channel: if not, the output server end fails to verify; if so, continue to step S7;
step S7: the server side acquires a timestamp D1;
step S8: the server side generates failure time D2;
step S9: the server generates a certificate storing identification D3;
step S10: the server side adopts a message authentication function D4 to input a physical code A3, a long random number A2, a long random number B2 and target data A and output a message authentication code D5;
step S11: and the server side writes the certificate storing identification D3, the client side identification, the server side identification, the timestamp D1, the expiration time D2, the long random number A2, the long random number B2 and the message authentication code D5 into the block chain together.
And finally, calculating the storage verification, wherein the specific steps of the storage verification calculation are as follows:
step V1: setting a verification algorithm as a verification end identifier, and acquiring a evidence-storing identifier D3 and target data B from a client;
step V2: the verification end sends the certificate storage identification D3 and the target data B to the server end; typically, the transmitted message needs to be encrypted and transmitted through an encryption channel SSL, TLS or HTTPS;
step V3: the server side searches a certificate storage identification D3, a client side identification, a server side identification, a timestamp D1, expiration time D2, a long random number A2, a long random number B2 and a message authentication code D5 on the blockchain according to the certificate storage identification D3;
step V4: the server side checks whether the current time is before the expiration time D2: if yes, go to step V5; if not, outputting verification failure;
step V5: the server side verifies whether the timestamp D1 is correct through a national authority time service center: if yes, go to step V6; if not, outputting verification failure;
step V6: the server side adopts a message authentication function D4, takes a physical code A3, a long random number A2, a long random number B2 and target data B as input, and generates output as a message authentication code D6;
step V7: the server compares whether the message authentication code D5 and the message authentication code D6 are equal: if not, the output verification fails; if the two are equal, outputting verification success;
step V8: and the server side sends the verification result to the verification end to finish verification calculation.
The invention also provides another alternative technical scheme, and the message authentication code function used in the steps can be a Hash operation message authentication code or a message authentication code obtained based on a block cipher algorithm, and can achieve equivalent effects.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. A memory verification method based on a physical unclonable function algorithm is characterized by comprising the following steps: the method comprises a client-side certificate-storing calculation step and a server-side certificate-storing calculation step, and finally, certificate-storing verification calculation is carried out;
the client certificate storage calculation specifically comprises the following steps:
step C1: defining the client certificate storage calculation as a client identifier, and generating a long random number by the client, wherein the long random number is defined as a long random number A2;
step C2: the client sends the client identification, the long random number A2 and the target data A to be authenticated to the server through an encrypted channel;
step C3: the client receives the server identification and the long random number B2 sent by the encrypted channel;
step C4: the client side adopts a physical unclonable equation A11, inputs a long random number B2 and obtains an output physical code A3;
step C5: the client side adopts a short hash digest code function A12, takes a physical code A3, a long random number A2, a long random number B2 and target data A as input, and generates output which is a short hash digest code A4;
step C6: the client side erases the physical code A3;
step C7: the client side sends the client side identification and the short hash digest code A4 to the server side by using a non-deception non-blocking channel;
the server side certificate storage calculation specifically comprises the following steps:
step S1: defining a server-side authentication storage algorithm as a server-side identifier, and receiving a client-side identifier, a long random number A2 and target data A to be authenticated from an encrypted channel by the server side;
step S2: the server side finds out the pre-stored corresponding client side identification and a pair of long random numbers B2 and a physical code B3 which are pre-stored corresponding to the client side identification;
step S3: the server side sends the server side identification and the long random number B2 to the client side by using an encryption channel;
step S4: the server receives the client identification and the short hash digest code A4 sent by the non-spoofing non-blocking channel;
step S5: the server side adopts a short hash digest code function A12, takes a physical code B3, a long random number A2, a long random number B2 and target data A as input, and generates output which is a short hash digest code B4;
step S6: the server verifies whether the comparison short hash digest code B4 is equal to the short hash digest code A4 received by the non-spoofed, non-blocking channel:
if not, the output server side fails to verify;
if yes, go on to step S7;
step S7: the server side acquires a timestamp D1;
step S8: the server side generates failure time D2;
step S9: the server generates a certificate storing identification D3;
step S10: the server side adopts a message authentication function D4 to input a physical code A3, a long random number A2, a long random number B2 and target data A and output a message authentication code D5;
step S11: the server side writes a certificate storage identification D3, a client side identification, a server side identification, a timestamp D1, expiration time D2, a long random number A2, a long random number B2 and a message authentication code D5 into a block chain;
and finally, carrying out storage and verification calculation, wherein the storage and verification calculation specifically comprises the following steps:
step V1: setting a verification algorithm as a verification end identifier, and acquiring a evidence-storing identifier D3 and target data B from a client;
step V2: the verification end sends the certificate storage identification D3 and the target data B to the server end;
step V3: the server side searches a certificate storage identification D3, a client side identification, a server side identification, a timestamp D1, expiration time D2, a long random number A2, a long random number B2 and a message authentication code D5 on the blockchain according to the certificate storage identification D3;
step V4: the server side checks whether the current time is before the expiration time D2:
if yes, go to step V5;
if not, outputting verification failure;
step V5: the server side verifies whether the timestamp D1 is correct through a national authority time service center:
if yes, go to step V6;
if not, outputting verification failure;
step V6: the server side adopts a message authentication function D4, takes a physical code A3, a long random number A2, a long random number B2 and target data B as input, and generates output as a message authentication code D6;
step V7: the server compares whether the message authentication code D5 and the message authentication code D6 are equal:
if not, the output verification fails;
if the two are equal, the output verification is successful;
step V8: and the server side sends the verification result to the verification side to complete the whole verification and verification process.
2. The method for verifying the memory based on the physically unclonable function algorithm according to claim 1, wherein: in the step C2 and the step V2, in the process of sending the data to the server, the sent data needs to be encrypted and transmitted through an encryption channel, and the used encryption channel is SSL, TLS, or HTTPS.
3. A memory verification method based on physical unclonable function algorithm according to claim 1, characterized in that: the specific contents of the physical unclonable equation a11 used in said step C4 depend on the physical random elements inherently present and accidentally introduced by the client during the manufacturing process.
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