CN117473483B - Electronic seal and off-line authorization method thereof - Google Patents
Electronic seal and off-line authorization method thereof Download PDFInfo
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- CN117473483B CN117473483B CN202311821294.XA CN202311821294A CN117473483B CN 117473483 B CN117473483 B CN 117473483B CN 202311821294 A CN202311821294 A CN 202311821294A CN 117473483 B CN117473483 B CN 117473483B
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- electronic seal
- time
- seal
- signature
- authorization
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- 238000013475 authorization Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/45—Structures or tools for the administration of authentication
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/34—User authentication involving the use of external additional devices, e.g. dongles or smart cards
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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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0877—Generation of secret information including derivation or calculation of cryptographic keys or passwords using additional device, e.g. trusted platform module [TPM], smartcard, USB or hardware security module [HSM]
-
- 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
- H04L9/3234—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 additional secure or trusted devices, e.g. TPM, smartcard, USB or software token
-
- 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
-
- 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
- H04L9/3263—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 certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Abstract
The invention discloses an electronic seal and an off-line authorization method thereof, relating to the technical field of electronic seals and electronic signatures, comprising an intelligent password key, wherein the intelligent password key comprises a chip operating system COS and a password security chip; the password security chip is used for storing time information related to the electronic seal signature and an authorization number counter; the chip operating system COS is bound with the unique serial number of the electronic seal and is used for storing the electronic seal data and maintaining time information and authorization times related to the electronic seal signature; the invention realizes the purpose of controlling the signing times and time of the electronic seal in the off-line scene of the equipment seal mode.
Description
Technical Field
The invention relates to the technical field of electronic seals and electronic signatures, in particular to an electronic seal and an off-line authorization method thereof.
Background
At present, the electronic seal is widely used in business scenes such as electronic contract, electronic proof and the like, the electronic seal is stamped into an electronic file in the form of electronic signature through a reliable electronic signature method, the integrity and non-repudiation of the electronic file are realized, and the electronic seal has legal efficacy equal to that of an entity seal. The existing electronic seal is mainly divided into an equipment seal and a cloud seal. The device seal writes the electronic seal and the corresponding certificate, key and other information into the intelligent password key USBKey of the safe storage medium, and when signing the electronic file, the password safety chip in the intelligent password key USBKey is used for signing operation, so that the electronic signature data can be generated offline. The cloud seal stores the electronic seal and the corresponding information such as certificates, keys and the like in the cloud server, when signing the electronic file, signature operation is carried out on the electronic file by using password equipment carried by the cloud server, and electronic signature data are generated in an online mode.
In the prior art, the electronic seal data format which accords with the national seal standard and is stored in the device seal and the cloud seal is generally used for controlling the use authorization of the electronic seal by inquiring the effective starting and ending time of the electronic seal. The device seal can only judge whether to generate electronic signature data offline within the effective date range based on the local time of the device, and cannot perform authorization control on the number of signature times, whether the local time is artificially modified and the like. Yun Yinzhang can carry out signing times authorization control on additional field information bound to the electronic seal through the cloud server, but the signing process needs to carry out network communication with the cloud server and cannot be applied to an offline scene.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide an electronic seal and an off-line authorization method thereof, and the invention realizes the purpose of controlling the signing times and time of the electronic seal in an off-line scene of a device seal mode.
In order to achieve the above purpose, the invention adopts the following technical scheme: an electronic seal comprises an intelligent password key, wherein the intelligent password key comprises a chip operating system COS and a password security chip; the password security chip is used for storing time information related to the electronic seal signature and data of the authorization number counter; the chip operating system COS is bound with the unique serial number of the electronic seal and is used for storing the electronic seal data and maintaining time information and authorization times related to the electronic seal signature.
As a further improvement of the present invention, the time information related to the electronic seal signature includes an electronic seal valid expiration time and a latest one-time signature time.
As a further improvement of the invention, the intelligent password key is a USBKey, an intelligent CPU card, a password card, an SD card or a mobile phone shield.
The invention also provides an offline authorization method of the electronic seal, which comprises the following steps:
step 1, a user applies for an electronic seal to an electronic seal issuer, writes electronic seal data in an intelligent password key USBKey of the electronic seal issuer, writes effective starting and stopping time and authorized times of the electronic seal, and binds a chip operating system COS with a unique serial number of the electronic seal;
and 2, checking the user authority of the intelligent password key by using signature software during off-line signature, initiating signature operation, judging the signature authorization times and the effective starting and ending time periods of the electronic seal, which are maintained in the chip operating system COS and are bound with the unique serial numbers of the electronic seals, if the remaining times are more than 0, and the current time is more than the last signature time and not more than the effective ending time of the electronic seal, generating signature data, automatically deducting the signature authorization times for 1 time from the inside of the chip operating system COS, and updating the stamping time to the current time.
As a further improvement of the present invention, in step 2, if the remaining number of times of the electronic seal signature is equal to 0, or the current time is smaller than the last stamping time or larger than the seal valid expiration time, the signature data fails to be generated and an error is returned.
As a further improvement of the present invention, there is also included:
when the authorization time of the electronic seal in the intelligent password key is equal to 0 or the effective time of the electronic seal expires, if the electronic seal needs to be continuously used, the electronic seal issuer needs to apply for using authorization update again, the unique serial number of the electronic seal is modified, the electronic seal data is regenerated, the effective starting and stopping time and the authorization time of the electronic seal are written, and the chip operating system COS is bound with the unique serial number of the new electronic seal again.
The beneficial effects of the invention are as follows:
the electronic seal generated by the device seal mode is characterized in that the signature authorization times and the seal validity period are safely stored in the intelligent password key USBKey storage medium and are internally maintained by the chip operating system COS, and the control of the signature times and the seal validity period of a user in an offline scene can be realized without acquiring relevant information from a cloud server during the signature operation.
Detailed Description
The following describes embodiments of the present invention in detail.
Example 1:
an electronic seal, comprising: the intelligent password key USBKey comprises a chip operating system COS, a password security chip and the like; besides supporting normal operation instructions, the COS of the chip operation system needs to additionally maintain a seal effective expiration time, a latest signature time and an authorized number counter, and the seal effective expiration time and the counter need to be bound with a unique serial number of the electronic seal in stored electronic seal data; other mediums can be used for the intelligent password key USBKey used in the embodiment, and the mediums should also be provided with a chip operating system COS and a password security chip, so that the use authority security of the authorization number counter, such as an intelligent CPU card, a password card, an SD card, a mobile phone shield and the like, can be ensured.
The password security chip safely stores the seal validity period, the latest signature time and the data of the authorized times counter, ensures the security of authorized access, and cannot automatically modify the seal validity period and the authorized times counter under the condition that a seal person only holds user rights.
When signature operation is executed, if the COS of the chip operating system judges that the counter is larger than 0 and the current time is larger than the last stamping time and not larger than the effective seal deadline, signature data are allowed to be generated, and the stamping time is updated to be the current time and the counter value is reduced by 1; if the counter value is equal to 0, or the current time is smaller than the last stamping time or larger than the effective expiration time of the stamp, the generation of the signature data is refused, and an error is returned.
When the seal expiration date and the counter additional operation are updated, the manager authority of the intelligent password key USBKey must be verified, and a new unique serial number of the electronic seal must be bound to complete the seal use authorization updating operation.
Example 2:
an off-line authorization method for electronic seal signature realizes controlling the signature times and time of an electronic seal in an off-line scene of a device seal mode; the method specifically comprises the following steps:
1. the electronic seal generating process comprises the following steps:
when a seal person applies for an electronic seal for the first time, the electronic seal needs to be applied to an issuer of the electronic seal, and the process is as follows:
1) The electronic seal issuer is applied for the electronic seal by the seal person.
2) And the electronic seal issuer generates an electronic seal data format conforming to the national cryptographic standard according to the application of a seal person, and writes the electronic seal data into the intelligent cryptographic key USBKey by using the manager authority of the intelligent cryptographic key USBKey.
3) And the electronic seal issuer uses the administrator authority and special instructions of the intelligent password key USBKey according to the required signing times applied by the signer, and writes the corresponding authorized times of the seal and the effective start-stop time of the seal into the intelligent password key USBKey. After the authorization times are written in, the authorization times are maintained in a Chip operating system COS (Chip OS) of an intelligent password key USBKey and are bound with the unique serial number of the electronic seal.
2. Electronic seal signing process:
the electronic seal in the USBKey of the intelligent cipher key is used by a seal person for off-line signature, and the process is as follows:
1) The seal person inserts the intelligent cipher key USBKey into the computer, uses the seal software to check the user authority of the intelligent cipher key USBKey, and initiates the seal operation.
2) When the intelligent cipher key USBKey receives a signature operation instruction, judging the signature authorization times and the seal valid starting and ending time period which are maintained in the chip operating system COS and are bound with the unique serial number of the electronic seal, if the remaining times are more than 0, and the current time is more than the last seal time and not more than the seal valid ending time, generating signature data, and simultaneously automatically deducting the 1-time signature authorization times from the inside of the chip operating system COS, and updating the seal time to the current time; if the remaining times are equal to 0, or the current time is smaller than the last stamping time or larger than the effective expiration time of the stamp, the signature data fail to be generated and an error is returned.
3. The electronic seal uses the authorization updating process:
when the number of times of electronic seal authorization in the seal person intelligent password key USBKey is equal to 0 or the seal validity period expires, if the electronic seal needs to be continuously used, the electronic seal issuer needs to apply for using authorization update, and the process is as follows:
1) The seal person applies for the additional electronic seal authorization times and writes in new validity period to the electronic seal issuer.
2) And the electronic seal issuer modifies the unique serial number of the electronic seal according to the application of a seal person, regenerates the electronic seal data, and uses the manager authority of the intelligent cipher key USBKey to overwrite the electronic seal data in the intelligent cipher key USBKey.
3) And the electronic seal issuer uses the manager authority and special instructions of the intelligent password key USBKey to write the authorization times and the new validity period corresponding to the seal after value increment into the intelligent password key USBKey according to the required additional signature times and the new validity period applied by the seal user. And after the authorization times and the new validity period are written, maintaining the authorization times and the new validity period in a chip operating system COS of the intelligent password key USBKey, and binding the authorization times and the new unique serial number of the electronic seal.
The offline times and deadline authorization method of the embodiment can also be applied to offline signature times control of scenes such as electronic signatures in a PKI system, such as scenes for authorizing digital certificates to sign electronic contract copies and deadlines.
The foregoing examples merely illustrate specific embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (5)
1. The off-line authorization method of the electronic seal is characterized in that the electronic seal comprises an intelligent password key, and the intelligent password key comprises a chip operating system COS and a password security chip; the password security chip is used for storing time information related to the electronic seal signature and data of the authorization number counter; the chip operating system COS is bound with the unique serial number of the electronic seal and is used for storing the electronic seal data and maintaining time information and authorization times related to the electronic seal signature; the method comprises the following steps:
step 1, a user applies for an electronic seal from an electronic seal issuer, writes electronic seal data in an intelligent password key of the electronic seal issuer, writes effective starting and ending time and authorization times of the electronic seal, and binds a chip operating system COS with a unique serial number of the electronic seal;
and 2, checking the user authority of the intelligent password key by using signature software during off-line signature, initiating signature operation, judging the signature authorization times and the effective starting and ending time periods of the electronic seal, which are maintained in the chip operating system COS and are bound with the unique serial numbers of the electronic seals, if the remaining times are more than 0, and the current time is more than the last signature time and not more than the effective ending time of the electronic seal, generating signature data, automatically deducting the signature authorization times for 1 time from the inside of the chip operating system COS, and updating the stamping time to the current time.
2. The method for offline authorization of an electronic seal according to claim 1, wherein the time information related to the electronic seal signature includes an electronic seal valid expiration time and a latest signature time.
3. The method for offline authorization of electronic seal according to claim 1 or 2, wherein the smart key is a USBKey, a smart CPU card, a cryptographic card, an SD card or a phone shield.
4. The method according to claim 1, wherein in step 2, if the remaining number of times of the electronic seal signature is equal to 0, or the current time is less than the last time of the seal or greater than the seal valid expiration time, the signature data fails and an error is returned.
5. The method for offline authorization of an electronic seal according to claim 1 or 4, further comprising:
when the authorization time of the electronic seal in the intelligent password key is equal to 0 or the effective time of the electronic seal expires, if the electronic seal needs to be continuously used, the electronic seal issuer needs to apply for using authorization update again, the unique serial number of the electronic seal is modified, the electronic seal data is regenerated, the effective starting and stopping time and the authorization time of the electronic seal are written, and the chip operating system COS is bound with the unique serial number of the new electronic seal again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311821294.XA CN117473483B (en) | 2023-12-27 | 2023-12-27 | Electronic seal and off-line authorization method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311821294.XA CN117473483B (en) | 2023-12-27 | 2023-12-27 | Electronic seal and off-line authorization method thereof |
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| CN117473483A CN117473483A (en) | 2024-01-30 |
| CN117473483B true CN117473483B (en) | 2024-04-02 |
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| CN115619346A (en) * | 2022-10-18 | 2023-01-17 | 西安亿力通网络科技有限公司 | Electronic seal machine and seal file management system |
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| GB2446199A (en) * | 2006-12-01 | 2008-08-06 | David Irvine | Secure, decentralised and anonymous peer-to-peer network |
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| CN1838163A (en) * | 2006-01-17 | 2006-09-27 | 沈前卫 | Universal electronic stamping system based on PKI |
| CN101311950A (en) * | 2007-05-25 | 2008-11-26 | 北京书生国际信息技术有限公司 | Electronic stamp realization method and device |
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| CN117473483A (en) | 2024-01-30 |
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