CN103746899B - mail reading system and method - Google Patents
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- CN103746899B CN103746899B CN201310731049.XA CN201310731049A CN103746899B CN 103746899 B CN103746899 B CN 103746899B CN 201310731049 A CN201310731049 A CN 201310731049A CN 103746899 B CN103746899 B CN 103746899B
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000013475 authorization Methods 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000004364 calculation method Methods 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims description 2
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- 235000008434 ginseng Nutrition 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000012795 verification Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
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Abstract
The present invention provides a kind of mail reading system, the server being connected including multiple computers for being in communication with each other connection and with each compunication.Computer is provided with mail communication software and the mail authorisation process unit mail authorisation process unit to be included reading priority assignation module and reads authority parsing module, reading priority assignation module will authorize mailbox ID and authority to transfer to server to preserve, and the interior text of the mail for creating is configured with authority is read using the private key of server feedback.The mail that the reception transmission of authority parsing module comes is read, parsing mailbox ID is sent to server to obtain public key, and the interior text of mail is parsed and shown by mail communication software using public key.The present invention also provides a kind of mail reading method, using the present invention, it is achieved that the integrity verification of sender's authentication and mail, strengthens mail security.
Description
Technical field
The present invention relates to a kind of Email processing system and method, more particularly to a kind of mail reading system and method.
Background technology
As computer network has border incomprehensiveness, the route uncertainty of transmission data, resource-sharing etc. various
Reason, causes the security of transmission data in a computer network generally to cannot get effective guarantee.
A lot of companies use plaintext transfer mode by the E-mail communication in computer network and the external world, and plaintext
The Email that mode is transmitted easily is intercepted and captured by malicious person in its transmittance process, and Mail Contents are easily cracked, so as to
Confidential data is caused to leak.Considering based on Information Security, mail need a set of reliable safe transmission in transmittance process
Mechanism.
Meanwhile, in current e-mail system, once mail is sent to recipient by sender, recipient has
The unrestricted authority that reads, even if using withdrawing mail function, there is also many restrictions, such as can not read recession in recipient
Return, it is impossible to recall between different mailing systems.And in fact, sender may need for mail arrange read the time limit or
The again reading of recipient is limited when needed.
Content of the invention
Embodiment of the present invention technical problem to be solved is, there is provided a kind of mail reading system and method are guaranteeing electricity
Security of the sub- mail in transmitting procedure and mandate reading is carried out according to the wish of sender.
The present invention provides a kind of mail reading system, including multiple computers for having communication connection each other and and each
The server that computer is communicatively coupled, the computer are provided with mail communication software, and the server is based on storing each
The corresponding email address of mail communication software, private key and public key that calculation machine is installed, and correspondingly form a list to record postal
The corresponding relation of case address, private key and public key.
The computer includes mail authorisation process unit, and the mail authorisation process unit includes：
Priority assignation module is read, is read in the mail creation interface that the mail communication software is provided creating to arrange
The interior text of the mail of read right and/or annex archives.By the email address of e-mail sending, the email address of mail reception side
Corresponding mandate mailbox ID is generated using a signature algorithm, the mandate mailbox ID and mandate time limit is reported to the server and is protected
Deposit, corresponding private key is confirmed according to the list by the server and the private key is sent to the computer.Sent using the server
Private key and encryption function to create mail interior text and/or annex archives, the mailbox of mail reception side and mandate
Time limit completes to read priority assignation after being digitally signed, and the mail for passing through reading priority assignation is sent to and receives the mail
Computer.
Authority parsing module is read, for monitoring and receiving the mail that transmission comes, by the email address of e-mail sending, postal
The email address of part recipient generates corresponding parsing mailbox ID using a signature algorithm, and the parsing mailbox ID is reported to the clothes
Business device, by the server lookup list judge mail that the transmission comes whether for mail reception side have read authority with
And/or person is not less than the mandate time limit.When server determine mail reception side have reading authority and/or not less than authorize when
Corresponding public key is determined according to list in limited time and returns to mail reception side, the reading authority parsing module is according to the public affairs for receiving
Key and analytical function carry out the parsing for reading authority to the mail, by the interior text of the mail and/or the parsing of annex archives
And the Mail Contents after reading authority parsing are shown by the mail communication software.
Further, the present invention also provides a kind of mail reading method, and the method includes：
The interior literary and/or attached of the mail for reading authority need to be arranged by mail communication software creation in the first computer
Part archives.
The email address of the email address of e-mail sending, mail reception side is generated using a signature algorithm and is awarded accordingly
Power mailbox ID, and by the mandate mailbox ID and authorize the time limit to report to server preservation.
Corresponding private key is confirmed according to a list by the server and sends the private key to first computer, make this first
Computer is using the private key and encryption function to the interior text and/or annex archives of the mail of the establishment, mail reception side
Authorize mailbox and authorize the time limit to complete to read priority assignation after being digitally signed, the mail for passing through reading priority assignation is passed
Give the second computer for receiving the mail.Wherein, the list is used for recording the mail communication software pair that each computer is installed
The corresponding relation of email address, private key and the public key answered.
Second calculates the mail for monitoring and receiving that transmission comes.
The email address of the email address of e-mail sending, mail reception side is calculated using a signature in second computer
Method generates corresponding parsing mailbox ID, and the parsing mailbox ID is reported to the server, and the list by the server lookup judges
Whether the mail that the transmission comes reads authority and/or not less than the mandate time limit for mail reception side has.And
When the server determine mail reception side have reading authority and/or not less than when authorizing in limited time according to list
Determine corresponding public key and return to second computer, and the mail is read according to the public key and analytical function for receiving
The interior text and/or annex archives of the mail are parsed and pass through the mail communication software and show process by the parsing of read right
Read the Mail Contents after authority parsing.
A kind of mail reading system and method that the present invention is provided, are set by carrying out mail reading authority in e-mail sending
Put and correspondingly upload onto the server and preserve and connect according to the reading priority assignation that server is preserved in mail reception root
The reading of the mail for receiving, so that the present invention possesses advantages below：Client compatibility is good, can adapt to most postals
Part system；The integrity verification of sender's authentication and mail is achieved, mail security is greatly enhanced；Achieve Email
Authorize and read, the reading of recipient can be controlled at any time.
Description of the drawings
Fig. 1 is the hardware structure schematic diagram of the mail reading system in embodiment of the present invention；
Fig. 2 is the high-level schematic functional block diagram of the mail authorisation process unit in embodiment of the present invention；
Fig. 3 is the schematic flow sheet of the mail reading method in embodiment of the present invention.
Label declaration：
Specific embodiment
By describing technology contents of the invention, structural feature in detail, realizing purpose and effect, below in conjunction with embodiment
And coordinate accompanying drawing to be explained in detail.
Fig. 1 is refer to, is the hardware structure schematic diagram of the mail reading system in embodiment of the present invention.The system 10 is wrapped
Include multiple computers 20（By taking three computers as an example）, one be used for into row data communication network 30 and one with the network
30 servers 40 being communicatively coupled, the plurality of calculating 20 are connected to each other by network 30, also by network 30 and the service
Device 40 is communicatively coupled.The network 30 can be internet, intranet or other applicable networks.The computer
20 can be any suitable data processing equipment, and which is provided with a mail communication software, and is also equipped with a mail and awards
Power processing unit 21（As shown in Figure 2）.By using the mail communication software, the computer 20 realizes that the mail of intercomputer leads to
Letter.The mail authorisation process unit 21 is used for carrying out reading priority assignation to the mail that the computer 20 sends, and right
The mail through authorisation process that the computer 20 is received carries out dissection process so that user reads.In the present embodiment,
The mail authorisation process unit 21 is in the form of client in each computer 20.
The server 40 be used for storing the corresponding email address of mail communication software that each computer 20 installs, private key with
And public key, and correspondingly form a list to record the corresponding relation of email address, private key and public key.
Fig. 2 is referred to, is the high-level schematic functional block diagram of mail authorisation process unit 21 of the present invention.The mail authorisation process list
Unit 21 includes the reading authority parsing module that reads priority assignation module 22 and be connected with the reading priority assignation module 22
23.The reading priority assignation module 22 includes the setting submodule 221 being sequentially connected, creates submodule 222, encryption submodule
223 and transmission submodule 224.The reading authority parsing module 23 includes the monitoring submodule 231 being sequentially connected, receives submodule
Block 232 and analyzing sub-module 233.
The setting submodule 221 is used for arranging mail reading rights parameters, and the mail that will be arranged for the computer 20
Read rights parameters to be stored in each computer 20.The mail reads rights parameters includes that based on private key and public key be parameter
Encryption function and based on private key and public key for parameter analytical function, in the present embodiment, with the encryption function and parsing
The corresponding public key of function and private key are stored in server 40.In other embodiments, the public key and private key can also be deposited
Storage is in computer 20.
The establishment submodule 222 is used in the mail creation interface that the mail communication software is provided, and establishment need to be arranged and be read
The interior text of the mail of read right and/or annex archives.The annex archives can be pure words text document, three-dimensional map file or
It is other applicable archives.
The encryption submodule 223 is used for the email address of e-mail sending, the mandate email address profit of mail reception side
Corresponding mandate mailbox ID is generated with a signature algorithm, and by the mandate mailbox ID of the generation and the time limit is authorized by a safety
Link reports to the server 40 and is preserved.In the present embodiment, the signature algorithm can be SHA（Secure Hash
Algorithm, SHA）Signature algorithm.The mandate time limit is configured by user, can be authorized to including the mail
The time of reading, most long holding time etc..
Prescribe a time limit when server 40 receives the mandate mailbox ID and mandate that are sent by computer 20, according to prestored
List confirms and obtains corresponding private key, also sends the private key to the computer 20.Further, the encryption submodule 223
Interior literary and/or annex archives, the mail reception of mail of the private key and encryption function sent using server 40 to creating
The mandate mailbox of side and mandate time limit complete to read priority assignation after being digitally signed.
The transmission submodule 224 is used for the mail for passing through reading priority assignation to be sent to the computer for receiving the mail
20, i.e., destination address end to is sent the mail according to mail destination address.
After mail is sent completely, if sender wishes the reading authority for terminating recipient, termination can also be carried out and read
The priority assignation of reading, specially：The encryption submodule 223 is by the email address of e-mail sending, the mandate postal of mail reception side
The instruction of case address and termination reading mail generates corresponding mandate mailbox ID, and awarding the generation using signature algorithm
Power mailbox ID and mandate time limit report to the server 40 by a safety chain and are preserved.
The monitoring submodule 231 is used for the privacy enhanced mail that monitoring sends from other computers 20.
The receiving submodule 232 is used for monitoring the process next from the transmission of other computers 20 in the monitoring submodule 231
During the mail of reading priority assignation, the mail that the transmission comes is received.
The analyzing sub-module 233 is used for for the email address of the email address of e-mail sending, mail reception side utilizing one
Signature algorithm generates corresponding parsing mailbox ID, and the parsing mailbox ID of the generation is reported to the clothes by a safety chain
Business device 40 is confirmed.Whether the server 40 judges the mail for receiving for mail connects by inquiring about the list for prestoring
Debit is terminated reading and/or has exceeded the mandate time limit.
If server 40 determines that mail reception side has reading authority, server 40 determines corresponding public affairs according to list
Key simultaneously returns to mail reception side by safety chain.The analyzing sub-module 233 is according to the public key and analytical function for receiving
The parsing for reading authority is carried out to the mail for receiving, and the interior text and/or annex archives of the mail is parsed, the solution
Analysis submodule 233 is additionally operable to show after reading authority parsing in the mail display interface that the mail communication software is provided
Mail Contents.
Correspondingly pass if server 40 determines that mail reception side does not have reading authority or exceeded the mandate time limit
A feedback information is sent, the analyzing sub-module 233 is additionally operable to show in the mail display interface that the mail communication software is provided and is somebody's turn to do
Feedback information is prohibited to read to point out the user envelope mail.In the present embodiment, the analyzing sub-module 233 is additionally operable to work as and connects
The mail for receiving is deleted during the feedback information for receiving server 40.
Fig. 3 is referred to, is the schematic flow sheet of the E-mail reading method in embodiment of the present invention.Below in order to just
In elaboration, it is from a computer 20 with mail（It is designated as computer A）To another computer 20（It is designated as computer B）It is transmitted as
Example is illustrated.
Step S50, make in computer A create submodule computer A mail communication software provide mail creation
In interface, the interior text and/or annex archives that the mail for reading authority need to be set is created.The annex archives can be pure words text
This document, three-dimensional map file or other applicable archives.
Step S51, the email address for making the encryption submodule 223 of computer A provide the mail communication software of computer A
（It is designated as email address A）, computer B mail communication software provide email address（It is designated as email address B）Using a signature
Algorithm generates corresponding mandate mailbox ID, and by the mandate mailbox ID of the generation and authorizes the time limit to report by a safety chain
Preserved to the server 40.
Step S52, makes server 40 confirm the mandate mailbox ID sent by computer A according to the list for prestoring and award
Temporary prescribe a time limit and obtain corresponding private key, also the private key is sent to computer A.Make 223 profit of encryption submodule of computer A
With server 40 send private key and encryption function to create mail interior text and/or annex archives, email address B with
And authorize the time limit to complete to read priority assignation after being digitally signed, and make the transmission submodule 224 of computer A will be through readding
The mail that read right is arranged sends computer B to.
Step S53, makes the monitoring submodule 231 of computer B monitor the mail sent from computer A, and by calculating
The receiving submodule 232 of machine B monitors to read priority assignation from next the passing through of computer B transmission in the monitoring submodule 231
During mail, the mail that the transmission comes is received.
Step S54, makes the analyzing sub-module 233 of computer B give birth to email address A, email address B using a signature algorithm
Mailbox ID is parsed into corresponding, and the parsing mailbox ID of the generation is reported to the server 40 by a safety chain is carried out
Confirm.
Whether step S55, the server 40 judge the mail for receiving for calculating by inquiring about the list for prestoring
Machine B is not terminated reading and/or not less than the mandate time limit.If so, step S56 is then entered, otherwise, step 57 is entered.
Step S56, the server 40 determine corresponding public key according to list and return to computer B by safety chain.
Mail of the analyzing sub-module 233 of computer B according to the public key and analytical function for receiving to receiving is made to carry out reading power
The parsing of limit, the interior text and/or annex archives of the mail is parsed, and the mail communication software in computer B is carried
For mail display interface in show through reading authority parsing after Mail Contents.Then, flow process terminates.
Step S57, makes server 40 transmit a feedback information, makes the analyzing sub-module 233 of computer B computer B's
Show the feedback information to point out the user envelope mail to be prohibited to read in the mail display interface that mail communication software is provided.So
Afterwards, flow process terminates.
In the present embodiment, the analyzing sub-module 233 is additionally operable to delete when the feedback information of server 40 is received
The mail for receiving.
A kind of Email reading system and method that the present invention is provided, read power by carrying out mail in e-mail sending
Limit is arranged and is correspondingly uploaded onto the server and preserves and enter according to the reading priority assignation that server is preserved in mail reception root
The reading of the mail that row is received, so that the present invention possesses advantages below：Client compatibility is good, can adapt to absolutely mostly
Number mailing system；The integrity verification of sender's authentication and mail is achieved, mail security is greatly enhanced；Achieve electronics postal
The mandate of part is read, and can control the reading of recipient at any time.
Embodiments of the invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, every using this
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related arts
Field, is included within the scope of the present invention.
Claims (6)
1. a kind of mail reading system, is led to including multiple computers for having communication connection each other and with each computer
The server of letter connection, the computer are provided with mail communication software, it is characterised in that the server is used for storing each
The corresponding email address of mail communication software, private key and public key that computer is installed, and correspondingly form a list to record
The corresponding relation of email address, private key and public key；
The computer includes that mail authorisation process unit, the mail authorisation process unit include：
Priority assignation module is read, reading need to be set for creating in the mail creation interface that the mail communication software is provided
The interior text of the mail of authority and/or annex archives；By the email address of e-mail sending, the email address profit of mail reception side
Mailbox ID is authorized with signature algorithm generation is corresponding, the mandate mailbox ID and mandate time limit is reported to the server and is protected
Deposit, corresponding private key is confirmed according to the list by the server and the private key is sent to the computer；Using described
Interior literary and/or annex archives, the postal of mail reception side of mail of the private key and encryption function that server sends to creating
Case and mandate time limit complete to read priority assignation after being digitally signed, and the mail for passing through reading priority assignation is sent to and is connect
Receive the computer of the mail；
Authority parsing module is read, for monitoring and receiving the mail that transmission comes, the email address of e-mail sending, mail is connect
The email address of debit generates corresponding parsing mailbox ID using a signature algorithm, and the parsing mailbox ID is reported to the clothes
Whether business device, list described in the server lookup judge the next mail of the transmission for mail reception side has the power of reading
Limit and/or not less than the mandate time limit；When server determines that mail reception side has reading authority and/or not less than awarding
Temporary to prescribe a time limit and corresponding public key is determined according to list and return to mail reception side, the reading authority parsing module is according to reception
To public key and analytical function to the mail carry out read authority parsing, by the interior literary and/or attached of the mail
Part archives are parsed and show the Mail Contents after reading authority parsing by the mail communication software；When the server
Determine that mail reception side does not have to read authority or exceeded the mandate time limit and then correspondingly transmit a feedback information, the reading
Authority parsing module is additionally operable to show the feedback information to carry in the mail display interface that the mail communication software is provided
Show that mail described in user is prohibited to read；The reading authority parsing module is additionally operable to when the feedback information of server is received
The mail received described in deleting；
After mail is sent completely, receive e-mail sending transmission termination reading mail instruction when, terminate e-mail recipient
Reading authority, specially：Make the computer reads priority assignation module by the address of e-mail sending, mail reception side
Authorize email address and terminate the mandate mailbox ID that reading mail instruction is generated using signature algorithm, and this is generated
Mandate mailbox ID and authorize the time limit to report to the server by a safety chain and preserved.
2. mail reading system as claimed in claim 1, it is characterised in that the mail authorisation process unit is used as client
In the computer.
3. mail reading system as claimed in claim 1, it is characterised in that the reading priority assignation module is additionally operable to as institute
State computer installation mail and read rights parameters, and the mail of setting is read rights parameters and be stored in each computer,
The mail reads rights parameters includes that be ginseng based on private key and public key for the encryption function of parameter and based on private key and public key
Several analytical functions.
4. mail reading system as claimed in claim 3, it is characterised in that the public key and private key are stored in the service
In device.
5. a kind of mail reading method, it is characterised in that methods described includes：
The interior text and/or annex shelves of the mail for reading authority need to be set by mail communication software creation in the first computer
Case；
The email address of the email address of e-mail sending, mail reception side is generated corresponding mandate postal using a signature algorithm
Case ID, and by the mandate mailbox ID and authorize the time limit to report to server preservation；
Corresponding private key being confirmed according to a list by the server and the private key being sent to first computer, order is described
Interior text and/or annex archives, mail of first computer using the private key and encryption function to the mail of the establishment
The mandate mailbox of recipient and mandate time limit complete to read priority assignation after being digitally signed, will be through reading priority assignation
Mail send the second computer for receiving the mail to；Wherein, the list is used for recording the postal that each computer is installed
The corresponding relation of the corresponding email address of part communication software, private key and public key；
The mail that transmission comes is monitored and received to second computer；
The email address of the email address of e-mail sending, mail reception side is given birth to using a signature algorithm in second computer
Into corresponding parsing mailbox ID, the parsing mailbox ID is reported to the server, list described in the server lookup
Judge whether the mail that the transmission comes reads authority and/or not less than the mandate time limit for mail reception side has；With
And
When the server determines that mail reception side has reading authority and/or true according to list in limited time not less than when authorizing
Fixed corresponding public key simultaneously returns to second computer, and second computer is according to the public key and analytical function for receiving to described
Mail carries out the parsing for reading authority, parses and pass through the mail and lead to the interior text and/or annex archives of the mail
Letter software shows the Mail Contents after reading authority parsing；When the server determines that second computer does not have the power of reading
Limit has exceeded the mandate time limit and has then correspondingly transmitted a feedback information, and the second computer is carried in the mail communication software
For mail display interface in show the feedback information to point out mail described in user to be prohibited to read；The second computer
The mail received described in deleting during the feedback information for receiving server；
After mail is sent completely, receive e-mail sending transmission termination reading mail instruction when, terminate e-mail recipient
Reading authority, specially：Make the first computer by the address of e-mail sending, the mandate email address of mail reception side and
The mandate mailbox ID that termination reading mail instruction is generated using signature algorithm, and by when the mandate mailbox ID of the generation and mandate
Limit reports to the server by a safety chain and is preserved.
6. mail reading method as claimed in claim 5, it is characterised in that execute and " led to by mail in the first computer
Letter software creation need to arrange the interior text and/or annex archives of the mail for reading authority " also include before：
Mail is set and reads rights parameters, and the mail of setting is read rights parameters and be stored in the first computer and the second meter
In calculation machine, the mail reads rights parameters to be included based on private key and public key for the encryption function of parameter and based on private key and public affairs
Analytical function of the key for parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310731049.XA CN103746899B (en) | 2013-12-26 | 2013-12-26 | mail reading system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310731049.XA CN103746899B (en) | 2013-12-26 | 2013-12-26 | mail reading system and method |
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| Publication Number | Publication Date |
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| CN103746899A CN103746899A (en) | 2014-04-23 |
| CN103746899B true CN103746899B (en) | 2017-03-15 |
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| CN201310731049.XA Active CN103746899B (en) | 2013-12-26 | 2013-12-26 | mail reading system and method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104363160B (en) * | 2014-07-28 | 2019-03-26 | 国家电网公司 | It is a kind of to carry the email processing method of document attachment, device and system |
| CN108737443B (en) * | 2018-06-14 | 2020-06-02 | 北京大学 | Method for hiding mail address based on cryptographic algorithm |
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|---|---|---|---|---|
| WO2002045378A2 (en) * | 2000-11-28 | 2002-06-06 | Swivel Technologies Limited | Secure file transfer method and system |
| CN1612521A (en) * | 2003-10-31 | 2005-05-04 | 多元网络株式会社 | File security management system and identificaton server, user's machine and program |
| CN103188126A (en) * | 2011-12-27 | 2013-07-03 | 北大方正集团有限公司 | E-mail sending method, E-mail sending device, E-mail receiving method and E-mail server |
-
2013
- 2013-12-26 CN CN201310731049.XA patent/CN103746899B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002045378A2 (en) * | 2000-11-28 | 2002-06-06 | Swivel Technologies Limited | Secure file transfer method and system |
| CN1612521A (en) * | 2003-10-31 | 2005-05-04 | 多元网络株式会社 | File security management system and identificaton server, user's machine and program |
| CN103188126A (en) * | 2011-12-27 | 2013-07-03 | 北大方正集团有限公司 | E-mail sending method, E-mail sending device, E-mail receiving method and E-mail server |
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| CN103746899A (en) | 2014-04-23 |
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