CN112653558B - Validity identification method, device and medium for mobile equipment electronic signature - Google Patents
Validity identification method, device and medium for mobile equipment electronic signature Download PDFInfo
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- CN112653558B CN112653558B CN202011618133.7A CN202011618133A CN112653558B CN 112653558 B CN112653558 B CN 112653558B CN 202011618133 A CN202011618133 A CN 202011618133A CN 112653558 B CN112653558 B CN 112653558B
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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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- 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
- H04L9/3239—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 non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides a method, a device and a medium for identifying the validity of an electronic signature of mobile equipment, belonging to the technical field of information, wherein the method comprises the following steps: acquiring a real identity card number, a real name and a face recognition picture of a user; acquiring time T and then calculating a random number N; splitting the encrypted real identity card number according to the random number N to obtain a part B and a rest part A with the length of the random number N, and splicing the part B and the rest part A with the encoded real name to obtain spliced data serving as a part C; the face recognition picture is processed in reverse order to be used as a D part; acquiring an electronic signature image stream of a user as an E part, sequentially adding data of each part into a TreeMap, and converting the TreeMap into an encryption character string; transmitting the encrypted character string and the time T to a mobile equipment end; and splitting the identification card number input by the user through the time T and comparing the identification card number with the content of the encrypted character string, thereby verifying the validity of the electronic signature.
Description
Technical Field
The present invention relates to the field of information technologies, and in particular, to a method, an apparatus, and a medium for identifying validity of an electronic signature of a mobile device.
Background
Many mobile application systems currently provide a way for users to directly write signatures by handwriting, but the signatures of the users on the mobile devices are inconsistent with the signatures on paper, whether the users themselves sign themselves on the mobile devices cannot be confirmed, and the data security of the electronic signatures is not guaranteed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method, a device and a medium for identifying the validity of an electronic signature of mobile equipment, which ensure the validity and the safety of the data of the electronic signature of a user by carrying out specific processing and verification on the real information of the user.
In a first aspect, the present invention provides a method for identifying validity of an electronic signature of a mobile device, including:
step 10, acquiring a real identity card number, a real name and a face recognition picture of a user;
step 20, acquiring time T, and then calculating a random number N according to the time T;
step 30, splitting the real identity card number encrypted by the MD5 according to the random number N to obtain a part B and a rest part A with the length of the random number N, and then splicing the part A and the part B with the real name after Unicode coding treatment to obtain spliced data serving as a part C; the face recognition picture is processed in reverse order to be used as a D part; acquiring an electronic signature picture stream of a user as an E part, sequentially adding the A part, the B part, the C part, the D part and the E part into a TreeMap, and converting the TreeMap into an encryption character string; transmitting the encrypted character string and the time T to a mobile equipment end;
step 40, when the user performs identity verification on the mobile equipment end, acquiring an electronic signature of the user and an input identity card number, calculating a random number N according to the time T, performing MD5 encryption on the input identity card number to obtain a character string M, and splitting the character string M into a B1 part with the length of the random number N and a residual A1 part according to the random number N; performing Base64 decoding on the encrypted character string to obtain a TreeMap, taking out an A part and a B part of the TreeMap, judging whether the A1 part is identical to the A part and whether the B1 part is identical to the B part, entering a step 50 when the A1 part is identical to the B part, and failing to verify identity when at least one of the A and B parts is different;
and 50, taking out the C part of the TreeMap, removing the A part and the B part, performing Unicode decoding to obtain the real name of the user, taking out the D part of the TreeMap, performing reverse processing to obtain the face recognition picture, and taking out the E part of the TreeMap to obtain the electronic signature picture stream of the user.
Further, the step 20 specifically includes:
the method comprises the steps of obtaining the current time as time T, setting the minute unit number of the time T as m1, the minute ten unit number as m2, the second unit number as s1, the second ten unit number as s2, and the calculation formula of the random number N is as follows:
n1＝|m1-m2|+|s1-s2|
wherein, when n1=0, let n=1.
In a second aspect, the present invention provides a validity identifying apparatus for an electronic signature of a mobile device, including: the system comprises a real information acquisition module, a random number generation module, a user information processing module, a user information verification module and a user information restoration module;
the real information acquisition module is used for acquiring the real identity card number, the real name and the face recognition picture of the user;
the random number generation module is used for acquiring time T and then calculating a random number N according to the time T;
the user information processing module is used for splitting the real identity card number encrypted by MD5 according to the random number N to obtain a part B and a rest part A with the length of the random number N, and then splicing the part A and the part B with the real name after Unicode encoding processing to obtain spliced data serving as a part C; the face recognition picture is processed in reverse order to be used as a D part; acquiring an electronic signature picture stream of a user as an E part, sequentially adding the A part, the B part, the C part, the D part and the E part into a TreeMap, and converting the TreeMap into an encryption character string; transmitting the encrypted character string and the time T to a mobile equipment end;
the user information verification module is used for acquiring an electronic signature of a user and an input identity card number when the user performs identity verification on a mobile equipment end, calculating a random number N according to the time T, performing MD5 encryption on the input identity card number to obtain a character string M, and splitting the character string M into a B1 part with the length of the random number N and a residual A1 part according to the random number N; performing Base64 decoding on the encrypted character string to obtain a TreeMap, taking out an A part and a B part of the TreeMap, judging whether the A1 part is identical to the A part and whether the B1 part is identical to the B part, entering a user information reduction module when the A1 part is identical to the B part, and failing to verify identity when at least one of the A and B parts is different;
and the user information restoration module is used for taking out the C part of the TreeMap, removing the A part and the B part, performing Unicode decoding to obtain the real name of the user, taking out the D part of the TreeMap, then performing reverse processing to obtain the face recognition picture, and taking out the E part of the TreeMap to obtain the electronic signature picture stream of the user.
Further, the random number generation module is specifically configured to:
the method comprises the steps of obtaining the current time as time T, setting the minute unit number of the time T as m1, the minute ten unit number as m2, the second unit number as s1, the second ten unit number as s2, and the calculation formula of the random number N is as follows:
n1＝|m1-m2|+|s1-s2|
wherein, when n1=0, let n=1.
In a third aspect, the present invention provides a computer readable storage medium having stored thereon a computer program which when executed by a processor implements the method of the first aspect.
The invention has the following advantages:
1. the method comprises the steps of encrypting the real identity card number of a user and processing according to a splitting rule, and comparing the encrypted real identity card number with the identity card number input by the user during identity verification, so that the current electronic signature is ensured to be a self-authorized signature of the user;
2. the real identity card number, the real name and the face recognition picture identity card of the user are subjected to specific processing, then the TreeMap is added and encrypted for transmission, so that the security of sensitive information is ensured, and meanwhile, the data processing efficiency is improved.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present invention more readily apparent.
Drawings
The invention will be further described with reference to examples of embodiments with reference to the accompanying drawings.
FIG. 1 is a flow chart of a method according to a first embodiment of the invention;
FIG. 2 is a schematic diagram of a device according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a medium in a third embodiment of the present invention.
Detailed Description
Example 1
The embodiment discloses a validity identification method of an electronic signature of a mobile device, as shown in fig. 1, including:
step 10, acquiring a real identity card number, a real name and a face recognition picture of a user;
before the user uses the electronic signature, the user needs to fill in the real identity card number and the real name in the corresponding mobile device system, and then the user needs to conduct face recognition in the corresponding mobile device system before the user uses the electronic signature, so that identity information is ensured to be consistent with the input real identity card number and the input real name.
Step 20, acquiring time T, and then calculating a random number N according to the time T;
in one possible implementation manner, the current time (including the time of year, month, day, minute, second) may be obtained as the time T, where the minute unit number of the time T is set to m1, the minute ten number is set to m2, the second unit number is set to s1, the second ten number is set to s2, and the calculation formula of the random number N is as follows:
n1＝|m1-m2|+|s1-s2|
wherein, when n1=0, let n=1;
and obtaining the time T, and then calculating to obtain a random number N as a rule basis for subsequent splitting treatment and verification.
Step 30, splitting the real identity card number encrypted by MD5 according to the random number N to obtain a part B and a rest part A with the length of the random number N, and then splicing the part A and the part B with the real name after Unicode encoding treatment to obtain spliced data serving as a part C (for example, splicing the part A in front of the real name after Unicode encoding treatment, splicing the part B behind the real name after Unicode encoding treatment, and splicing the data obtained after completion of splicing serving as a part C); the face recognition picture is processed in reverse order to be used as a D part; acquiring an electronic signature picture stream of a user as an E part, sequentially adding the A part, the B part, the C part, the D part and the E part into a TreeMap, and converting the TreeMap into an encryption character string (such as by Base64 coding); transmitting the encrypted character string and the time T to a mobile equipment end;
after the real identity card number, the real name, the face recognition picture and the electronic signature picture of the user are acquired, an encrypted character string generated by performing specific processing on all information and a time T for generating a random number N are required to be sent to a mobile equipment end for subsequent verification; the encrypted string and the time T may be identified by the mobile device by receiving radio waves of a specific frequency through radio frequency signal transmission. The data processing efficiency is improved while the security of the sensitive information is ensured by carrying out specific processing on the real identity card number, the real name, the face recognition picture and the electronic signature picture of the user and adding the TreeMap.
Step 40, when the user performs identity verification on the mobile equipment end, acquiring an electronic signature of the user and an input identity card number, calculating a random number N according to the time T, performing MD5 encryption on the input identity card number to obtain a character string M, and splitting the character string M into a B1 part with the length of the random number N and a residual A1 part according to the random number N; performing Base64 decoding on the encrypted character string to obtain a TreeMap, taking out an A part and a B part of the TreeMap, judging whether the A1 part is identical to the A part and whether the B1 part is identical to the B part, entering a step 50 when the A1 part is identical to the B part, and failing to verify identity when at least one of the A and B parts is different;
the method comprises the steps of carrying out MD5 encryption on an identification card number input by a user during verification, splitting a random number N calculated according to time T, then respectively comparing the random number N with data obtained after the encryption and splitting of the real identification card number of the user, and when the comparison result is inconsistent, indicating that the data is lost and obtained or tampered by a person, and carrying out no next processing; under the same condition, the identity card number and the time T are matched, the data are correct, and then the next processing is carried out.
And 50, taking out the C part of the TreeMap, removing the A part and the B part, performing Unicode decoding to obtain the real name of the user, taking out the D part of the TreeMap, performing reverse processing to obtain the face recognition picture, and taking out the E part of the TreeMap to obtain the electronic signature picture stream of the user.
The acquired real name can be compared with the real name of the identity authentication provided by the current user, the face recognition picture is compared with the face recognition image or the face seen by the user when the user performs the identity authentication at the mobile equipment end, the electronic signature picture stream of the user is compared with the electronic signature picture of the user when the user performs the identity authentication at the mobile equipment end, a more accurate comparison result is ensured, and the reliability of the electronic signature is determined.
Based on the same inventive concept, the present application also provides a device corresponding to the method in the first embodiment, and details of the second embodiment are described in the following.
Example two
In this embodiment, there is provided a validity identifying device for an electronic signature of a mobile device, as shown in fig. 2, including: the system comprises a real information acquisition module, a random number generation module, a user information processing module, a user information verification module and a user information restoration module;
the real information acquisition module is used for acquiring the real identity card number, the real name and the face recognition picture of the user;
the random number generation module is used for acquiring time T and then calculating a random number N according to the time T;
the user information processing module is used for splitting the real identity card number encrypted by MD5 according to the random number N to obtain a part B and a rest part A with the length of the random number N, and then splicing the part A and the part B with the real name after Unicode encoding processing to obtain spliced data serving as a part C; the face recognition picture is processed in reverse order to be used as a D part; acquiring an electronic signature picture stream of a user as an E part, sequentially adding the A part, the B part, the C part, the D part and the E part into a TreeMap, and converting the TreeMap into an encryption character string; transmitting the encrypted character string and the time T to a mobile equipment end;
the user information verification module is used for acquiring an electronic signature of a user and an input identity card number when the user performs identity verification on a mobile equipment end, calculating a random number N according to the time T, performing MD5 encryption on the input identity card number to obtain a character string M, and splitting the character string M into a B1 part with the length of the random number N and a residual A1 part according to the random number N; performing Base64 decoding on the encrypted character string to obtain a TreeMap, taking out an A part and a B part of the TreeMap, judging whether the A1 part is identical to the A part and whether the B1 part is identical to the B part, entering a user information reduction module when the A1 part is identical to the B part, and failing to verify identity when at least one of the A and B parts is different;
and the user information restoration module is used for taking out the C part of the TreeMap, removing the A part and the B part, performing Unicode decoding to obtain the real name of the user, taking out the D part of the TreeMap, then performing reverse processing to obtain the face recognition picture, and taking out the E part of the TreeMap to obtain the electronic signature picture stream of the user.
In one possible implementation manner, the random number generation module is specifically configured to:
the method comprises the steps of obtaining the current time as time T, setting the minute unit number of the time T as m1, the minute ten unit number as m2, the second unit number as s1, the second ten unit number as s2, and the calculation formula of the random number N is as follows:
n1＝|m1-m2|+|s1-s2|
wherein, when n1=0, let n=1.
Since the device described in the second embodiment of the present invention is a device for implementing the method described in the first embodiment of the present invention, based on the method described in the first embodiment of the present invention, a person skilled in the art can understand the specific structure and the deformation of the device, and thus the detailed description thereof is omitted herein. All devices used in the method according to the first embodiment of the present invention are within the scope of the present invention.
Based on the same inventive concept, the application provides a storage medium corresponding to the first embodiment, and the details of the fourth embodiment are described in detail.
Example III
The present embodiment provides a computer readable storage medium, as shown in fig. 3, on which a computer program is stored, which when executed by a processor, can implement any implementation of the first embodiment.
According to the embodiment of the invention, the real identity card number of the user is encrypted and processed according to the splitting rule, and then the encrypted real identity card number is compared with the identity card number input by the user during identity verification, so that the current electronic signature is ensured to be the self-authorized signature of the user; the real identity card number, the real name and the face recognition picture identity card of the user are subjected to specific processing, then the TreeMap is added and encrypted for transmission, so that the security of sensitive information is ensured, and meanwhile, the data processing efficiency is improved.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the invention, and that equivalent modifications and variations of the invention in light of the spirit of the invention will be covered by the claims of the present invention.
Claims (3)
1. A method for identifying validity of an electronic signature of a mobile device, comprising:
step 10, acquiring a real identity card number, a real name and a face recognition picture of a user;
step 20, acquiring time T, and then calculating a random number N according to the time T;
step 30, splitting the real identity card number encrypted by the MD5 according to the random number N to obtain a part B and a rest part A with the length of the random number N, and then splicing the part A and the part B with the real name after Unicode coding treatment to obtain spliced data serving as a part C; the face recognition picture is processed in reverse order to be used as a D part; acquiring an electronic signature picture stream of a user as an E part, sequentially adding the A part, the B part, the C part, the D part and the E part into a TreeMap, and converting the TreeMap into an encryption character string; transmitting the encrypted character string and the time T to a mobile equipment end;
step 40, when the user performs identity verification on the mobile equipment end, acquiring an electronic signature of the user and an input identity card number, calculating a random number N according to the time T, performing MD5 encryption on the input identity card number to obtain a character string M, and splitting the character string M into a B1 part with the length of the random number N and a residual A1 part according to the random number N; performing Base64 decoding on the encrypted character string to obtain a TreeMap, taking out an A part and a B part of the TreeMap, judging whether the A1 part is identical to the A part and whether the B1 part is identical to the B part, entering a step 50 when the A1 part is identical to the B part, and failing to verify identity when at least one of the A and B parts is different;
step 50, taking out the C part of the TreeMap, removing the A part and the B part, performing Unicode decoding to obtain the real name of the user, taking out the D part of the TreeMap, then performing reverse processing to obtain the face recognition picture, and taking out the E part of the TreeMap to obtain the electronic signature picture stream of the user;
the step 20 specifically includes:
the method comprises the steps of obtaining the current time as time T, setting the minute unit number of the time T as m1, the minute ten unit number as m2, the second unit number as s1, the second ten unit number as s2, and the calculation formula of the random number N is as follows:
n1＝|m1-m2|+|s1-s2|
wherein, when n1=0, let n=1.
2. A validity recognition device for an electronic signature of a mobile device, comprising: the system comprises a real information acquisition module, a random number generation module, a user information processing module, a user information verification module and a user information restoration module;
the real information acquisition module is used for acquiring the real identity card number, the real name and the face recognition picture of the user;
the random number generation module is used for acquiring time T and then calculating a random number N according to the time T;
the user information processing module is used for splitting the real identity card number encrypted by MD5 according to the random number N to obtain a part B and a rest part A with the length of the random number N, and then splicing the part A and the part B with the real name after Unicode encoding processing to obtain spliced data serving as a part C; the face recognition picture is processed in reverse order to be used as a D part; acquiring an electronic signature picture stream of a user as an E part, sequentially adding the A part, the B part, the C part, the D part and the E part into a TreeMap, and converting the TreeMap into an encryption character string; transmitting the encrypted character string and the time T to a mobile equipment end;
the user information verification module is used for acquiring an electronic signature of a user and an input identity card number when the user performs identity verification on a mobile equipment end, calculating a random number N according to the time T, performing MD5 encryption on the input identity card number to obtain a character string M, and splitting the character string M into a B1 part with the length of the random number N and a residual A1 part according to the random number N; performing Base64 decoding on the encrypted character string to obtain a TreeMap, taking out an A part and a B part of the TreeMap, judging whether the A1 part is identical to the A part and whether the B1 part is identical to the B part, entering a user information reduction module when the A1 part is identical to the B part, and failing to verify identity when at least one of the A and B parts is different;
the user information restoring module is used for taking out the C part of the TreeMap, removing the A part and the B part, then performing Unicode decoding to obtain the real name of the user, taking out the D part of the TreeMap, then performing reverse processing to obtain the face recognition picture, and taking out the E part of the TreeMap to obtain the electronic signature picture stream of the user;
the random number generation module is specifically used for:
the method comprises the steps of obtaining the current time as time T, setting the minute unit number of the time T as m1, the minute ten unit number as m2, the second unit number as s1, the second ten unit number as s2, and the calculation formula of the random number N is as follows:
n1＝|m1-m2|+|s1-s2|
wherein, when n1=0, let n=1.
3. A computer readable storage medium, on which a computer program is stored, which program, when being executed by a processor, implements the method according to claim 1.
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