CN103248553A - Mail encryption method, mail decryption method and clients - Google Patents
Mail encryption method, mail decryption method and clients Download PDFInfo
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- CN103248553A CN103248553A CN2012100264072A CN201210026407A CN103248553A CN 103248553 A CN103248553 A CN 103248553A CN 2012100264072 A CN2012100264072 A CN 2012100264072A CN 201210026407 A CN201210026407 A CN 201210026407A CN 103248553 A CN103248553 A CN 103248553A
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Abstract
The embodiment of the invention provides a mail encryption method, a mail decryption method and clients and relates to the technical field of communication. The methods and the clients can support various mail boxes to decrypt encrypted mails, and extend the application scope of the encrypted mails. The mail encryption method comprises the steps that the mail transmitting client encodes the mail to be transmitted according to a standard mail encoding protocol; the mail transmitting client compresses and encrypts the encoded mail to be transmitted according to a standard file compression method; the mail transmitting client sets the compressed and encrypted mail to be transmitted as an attachment of a new mail and encodes the new mail; and the mail transmitting client transmits the encoded new mail. The mail decryption method comprises the steps that when the mail receiving client identifies a content type field, a prompt message of inputting a password is displayed; the attachment is decrypted and decoded automatically by using the input password; the content of the mail to be transmitted is displayed; and when the mail receiving client does not identify the content type field, the attachment is displayed.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of email encryption decryption method and client.
Background technology
At present, in order to improve the fail safe of mail, how mail is encrypted more and more and comes into one's own.In the prior art, some mailbox providers provide the client that can carry out email encryption for the user, for example, the Mail Clients that Netease's mailbox provides, originator can be encrypted mail when using Netease's Mail Clients to send mail.The destination needs to import the content that correct password just can be checked mail after receiving mail.
Yet, the email encryption method that adopts prior art to provide, the recipient need use the mailbox of specified type that mail is decrypted.For example, after originator used above-mentioned Netease mailbox to send privacy enhanced mail, the destination need use Netease's mailbox to open mail and be decrypted, and perhaps, mail is uploaded to Netease mail deciphering center is decrypted.If the destination does not register Netease's mailbox, use the mailbox of other types to be decrypted mail.
Summary of the invention
Embodiments of the invention provide a kind of email encryption decryption method and client, can support polytype mailbox that privacy enhanced mail is decrypted, and have enlarged the range of application of privacy enhanced mail.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of e-mail sending method comprises:
The mail transmitting terminal is encoded to mail to be sent according to the standard mail coding protocol;
Described mail transmitting terminal compresses according to normative document compression method and the password that uses the originator setting mail to be sent after to described coding and encrypts;
The to be sent mail of described mail transmitting terminal after with described compress-encrypt is made as the annex of new mail, and according to the standard mail coding protocol described new mail encoded;
Described mail transmitting terminal sends the new mail behind the described coding, new mail behind the described coding also comprises content type field and location of content field, described content type field is used for the described mail to be sent of sign to be privacy enhanced mail and to be identified by the mail reception end of particular type, described location of content field is used for the described mail to be sent of sign and is positioned at annex.
A kind of mail receiving method comprises:
The mail reception end is decoded to the new mail that receives according to the standard mail coding protocol, described new mail comprises content type field, location of content field and annex, described content type field is used for the described new mail of sign to be privacy enhanced mail and to be identified by the mail reception end of particular type, described location of content field, be used for sign mail to be sent and be positioned at annex, described annex is the mail to be sent behind the compress-encrypt;
When described mail reception end identifies described content type field, show the information of input password, use the password of input that described annex is carried out deciphering automatically and decoding, and show the content of described mail to be sent;
When described mail reception end is unidentified when going out described content type field, show described annex, manually decipher to offer the destination.
In the described embodiment of the invention of technique scheme, no matter whether the mail reception end can identify content type field, that is no matter whether the mail reception end can identify the mail of mail for encrypting, and all can be decrypted operation to the mail that receives.The embodiment of the invention to the type of mail reception end without limits, that is the mailbox that the user uses any kind can receive privacy enhanced mail and carry out decryption oprerations during as the mail reception end.Need use the mailbox of specified type that mail is decrypted with recipient in the prior art and compare, the embodiment of the invention can support polytype mailbox that privacy enhanced mail is decrypted, and has enlarged the range of application of privacy enhanced mail.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The flow chart of a kind of email encryption method that Fig. 1 provides for the embodiment of the invention 1;
The flow chart of a kind of mail decryption method that Fig. 2 provides for the embodiment of the invention 1;
A kind of mail that Fig. 3 provides for the embodiment of the invention 2 sends the structure chart of client;
The structure chart of a kind of mail reception client that Fig. 4 provides for the embodiment of the invention 2.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Embodiment 1:
As shown in Figure 1, the embodiment of the invention provides a kind of email encryption method, comprising:
101, the mail transmitting terminal is encoded to mail to be sent according to the standard mail coding protocol.
Described standard mail coding protocol includes but not limited to the reference format RFC822 of Email.
102, described mail transmitting terminal compresses according to normative document compression method and the password that uses the originator setting mail to be sent after to described coding and encrypts.
Wherein, described normative document compression method includes but not limited to the ZIP file compression method, and the embodiment of the invention also can adopt other general encryption methods.
103, the to be sent mail of described mail transmitting terminal after with described compress-encrypt is made as the annex of new mail, and according to the standard mail coding protocol described new mail encoded.
104, described mail transmitting terminal sends the new mail behind the described coding, new mail behind the described coding also comprises content type field and location of content field, described content type field is used for the described mail to be sent of sign to be privacy enhanced mail and to be identified by the mail reception end of particular type, described location of content field is used for the described mail to be sent of sign and is positioned at annex.
Mail transmitting terminal in the present embodiment can adopt following any mail reception end: webpage version QQ mailbox or Foxmail Mail Clients.
Described content type field is used for the described mail to be sent of sign to be privacy enhanced mail and to be identified by the mail reception end of particular type, that is, described content type field can be by the identification of the mail reception end of particular type, and the mailbox except the mail reception end of particular type can't be identified described content type field.The mail reception end of wherein said particular type comprises: webpage version QQ mailbox or Foxmail Mail Clients.
In the embodiment of the invention, the user adopts the Foxmail Mail Clients as the mail transmitting terminal, adopts ZIP file compression method privacy enhanced mail and transmission, introduces a kind of mail decryption method below in detail, as shown in Figure 2, comprising:
201, the mail reception end is decoded to the new mail that receives according to the standard mail coding protocol, described new mail comprises content type field, location of content field and annex, described content type field is used for the described new mail of sign to be privacy enhanced mail and to be identified by the mail reception end of particular type, described location of content field, be used for sign mail to be sent and be positioned at annex, described annex is the mail to be sent behind the compress-encrypt.
202, when described mail reception end identifies described content type field, show the information of input password, use the password of input that described annex is carried out deciphering automatically and decoding, and show the content of described mail to be sent.
Wherein, when described mail reception end identifies described content type field, the mail reception end that described mail reception end is particular type is described, that is described mail reception end is following any mail reception end: webpage version QQ mailbox or Foxmail Mail Clients.
This step is when carrying out deciphering automatically and decoding to described annex, and specific implementation is: at first, call password that the normative document compression method uses input and described annex is decompressed and decipher, obtain mail to be sent; Afterwards, according to the standard mail coding protocol described mail to be sent is decoded, to obtain the content of described mail to be sent.
For the mail reception end that uses above-mentioned particular type (for example, the Foxmail Mail Clients) user of reception mail, the information of the input password that the mail reception end shows can be seen, after the user inputs correct password, the content of the mail of originator transmission can be viewed.
203, when described mail reception end is unidentified when going out described content type field, show described annex, manually decipher to offer the destination.
When described mail reception end is unidentified when going out described content type field, illustrate that described mail reception end is the mailbox except the mail reception end of above-mentioned particular type.
For the user who uses the mailbox except the mail reception end of above-mentioned particular type, when receiving privacy enhanced mail, what see is the mail reception end, shows content and the annex thereof of described new mail.At this moment, the user can manually call the standard mail coding protocol annex is decrypted, for example, use the ZIP instrument to be decrypted, obtained the mail that originator sends, the EML mail document that obtains after the Mail Contents that this mail sends originator is encoded, afterwards, the user uses the mailbox of any kind all can open this EML mail document, views the Mail Contents that originator sends.
In the embodiment of the invention, no matter whether the mail reception end can identify content type field, that is no matter whether the mail reception end can identify the mail of mail for encrypting, and all can be decrypted operation to the mail that receives.The embodiment of the invention to the type of mail reception end without limits, that is the mailbox that the user uses any kind can receive privacy enhanced mail and carry out decryption oprerations during as the mail reception end.Need use the mailbox of specified type that mail is decrypted with recipient in the prior art and compare, the embodiment of the invention can support polytype mailbox that privacy enhanced mail is decrypted, and has enlarged the range of application of privacy enhanced mail.
Embodiment 2:
As shown in Figure 3, the embodiment of the invention provides a kind of mail to send client, comprising:
Described coding module 11 also is used for, and the mail to be sent behind the described compress-encrypt is made as the annex of new mail, and according to the standard mail coding protocol described new mail is encoded;
Sending module 13, for the new mail behind the described coding of transmission, new mail behind the described coding also comprises content type field and location of content field, described content type field is used for the described mail to be sent of sign to be privacy enhanced mail and to be identified by the mail reception end of particular type, described location of content field is used for the described mail to be sent of sign and is positioned at annex.
Described standard mail coding protocol comprises the reference format RFC822 of Email; Described normative document compression method comprises the ZIP file compression method.
The mail reception end of described particular type comprises: webpage version QQ mailbox or Foxmail Mail Clients.
Correspondingly, as shown in Figure 4, the embodiment of the invention also provides a kind of mail reception client, comprising:
Described display module 22 also is used for showing described annex when described decoder module is unidentified when going out described content type field, is decrypted to offer the destination.
Need to prove, when described decoder module identifies described content type field, the mail reception end that described mail reception end is particular type is described, that is described mail reception end is following any mail reception end: webpage version QQ mailbox or Foxmail Mail Clients.
Wherein, described deciphering module 23 specifically decompresses to described annex for the password that calls normative document compression method use input and deciphers, and obtains mail to be sent;
Described decoder module 23 specifically is used for according to the standard mail coding protocol described mail to be sent being decoded, to obtain the content of described mail to be sent.
When described decoder module is unidentified when going out described content type field, illustrate that described mail reception end is the mailbox except the mail reception end of above-mentioned particular type.
Need to prove that the technical characterictic of the technical characterictic of above-mentioned mail transmitting terminal and mail reception end can be integrated in the Mail Clients.
In the embodiment of the invention, no matter whether the mail reception end can identify content type field, that is no matter whether the mail reception end can identify the mail of mail for encrypting, and all can be decrypted operation to the mail that receives.The embodiment of the invention to the type of mail reception end without limits, that is the mailbox that the user uses any kind can receive privacy enhanced mail and carry out decryption oprerations during as the mail reception end.Need use the mailbox of specified type that mail is decrypted with recipient in the prior art and compare, the embodiment of the invention can support polytype mailbox that privacy enhanced mail is decrypted, and has enlarged the range of application of privacy enhanced mail.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (10)
1. an email encryption method is characterized in that, comprising:
The mail transmitting terminal is encoded to mail to be sent according to the standard mail coding protocol;
Described mail transmitting terminal compresses according to normative document compression method and the password that uses the originator setting mail to be sent after to described coding and encrypts;
The to be sent mail of described mail transmitting terminal after with described compress-encrypt is made as the annex of new mail, and according to the standard mail coding protocol described new mail encoded;
Described mail transmitting terminal sends the new mail behind the described coding, new mail behind the described coding also comprises content type field and location of content field, described content type field is used for the described mail to be sent of sign to be privacy enhanced mail and to be identified by the mail reception end of particular type, described location of content field is used for the described mail to be sent of sign and is positioned at annex.
2. method according to claim 1 is characterized in that, described standard mail coding protocol comprises the reference format RFC822 of Email; Described normative document compression method comprises the ZIP file compression method.
3. method according to claim 1 is characterized in that, the mail reception end of described particular type comprises: webpage version QQ mailbox or Foxmail Mail Clients.
4. a mail decryption method is characterized in that, comprising:
The mail reception end is decoded to the new mail that receives according to the standard mail coding protocol, described new mail comprises content type field, location of content field and annex, described content type field is used for the described new mail of sign to be privacy enhanced mail and to be identified by the mail reception end of particular type, described location of content field, be used for sign mail to be sent and be positioned at annex, described annex is the mail to be sent behind the compress-encrypt;
When described mail reception end identifies described content type field, show the information of input password, use the password of input that described annex is carried out deciphering automatically and decoding, and show the content of described mail to be sent;
When described mail reception end is unidentified when going out described content type field, show described annex, manually decipher to offer the destination.
5. method according to claim 4 is characterized in that, described described annex is carried out deciphering automatically and decoding comprises:
Call password that the normative document compression method uses input and described annex is decompressed and decipher, obtain mail to be sent;
According to the standard mail coding protocol described mail to be sent is decoded, to obtain the content of described mail to be sent.
6. a mail sends client, it is characterized in that, comprising:
Coding module is used for according to the standard mail coding protocol mail to be sent being encoded;
Encrypting module is used for compressing and encrypting according to normative document compression method and the password that uses the originator setting mail to be sent after to described coding;
Described coding module also is used for, and the mail to be sent behind the described compress-encrypt is made as the annex of new mail, and according to the standard mail coding protocol described new mail is encoded;
Sending module, for the new mail behind the described coding of transmission, new mail behind the described coding also comprises content type field and location of content field, described content type field is used for the described mail to be sent of sign to be privacy enhanced mail and to be identified by the mail reception end of particular type, described location of content field is used for the described mail to be sent of sign and is positioned at annex.
7. client according to claim 6 is characterized in that, described standard mail coding protocol comprises the reference format RFC822 of Email; Described normative document compression method comprises the ZIP file compression method.
8. client according to claim 6 is characterized in that, the mail reception end of described particular type comprises: webpage version QQ mailbox or Foxmail Mail Clients.
9. a mail reception client is characterized in that, comprising:
Decoder module, be used for according to the standard mail coding protocol new mail that receives being decoded, described new mail comprises content type field, location of content field and annex, described content type field is used for the described new mail of sign to be privacy enhanced mail and to be identified by the mail reception end of particular type, described location of content field, be used for sign mail to be sent and be positioned at annex, described annex is the mail to be sent behind the compress-encrypt;
Display module is used for showing the information of input password when described decoder module identifies described content type field; Deciphering module is used for using the password of input automatically annex to be decrypted, and described decoder module also is used for the mail to be sent that deciphering module draws is decoded, and described display module is also for the content that shows the mail to be sent that described decoder module draws;
Described display module also is used for showing described annex when described decoder module is unidentified when going out described content type field, is decrypted to offer the destination.
10. client according to claim 9 is characterized in that, described deciphering module specifically decompresses to described annex for the password that calls normative document compression method use input and deciphers, and obtains mail to be sent;
Described decoder module specifically is used for according to the standard mail coding protocol described mail to be sent being decoded, to obtain the content of described mail to be sent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012100264072A CN103248553A (en) | 2012-02-07 | 2012-02-07 | Mail encryption method, mail decryption method and clients |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100264072A CN103248553A (en) | 2012-02-07 | 2012-02-07 | Mail encryption method, mail decryption method and clients |
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| CN103248553A true CN103248553A (en) | 2013-08-14 |
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| CN2012100264072A Pending CN103248553A (en) | 2012-02-07 | 2012-02-07 | Mail encryption method, mail decryption method and clients |
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Cited By (7)
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| CN104135427A (en) * | 2014-07-30 | 2014-11-05 | 武汉传神信息技术有限公司 | Mail generating method and resolving method |
| CN104734944A (en) * | 2015-03-18 | 2015-06-24 | 重庆森格玛科技有限公司 | Transmission method and device for electronic mail |
| CN105306443A (en) * | 2015-09-18 | 2016-02-03 | 四川效率源信息安全技术股份有限公司 | Burn-after-reading method based on complete offline |
| CN105306444A (en) * | 2015-09-18 | 2016-02-03 | 四川效率源信息安全技术股份有限公司 | Burn-after-reading method and device based on cloud storage |
| CN105743884A (en) * | 2016-01-22 | 2016-07-06 | 广东信鉴信息科技有限公司 | Mail hiding method and mail hiding system |
| CN106469279A (en) * | 2016-08-30 | 2017-03-01 | 北京北信源软件股份有限公司 | A kind of method and system of compression Encrypt and Decrypt |
| CN107426086A (en) * | 2017-06-22 | 2017-12-01 | 惠州学院 | The method and its system of a kind of data processing |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135427A (en) * | 2014-07-30 | 2014-11-05 | 武汉传神信息技术有限公司 | Mail generating method and resolving method |
| CN104734944A (en) * | 2015-03-18 | 2015-06-24 | 重庆森格玛科技有限公司 | Transmission method and device for electronic mail |
| CN105306443A (en) * | 2015-09-18 | 2016-02-03 | 四川效率源信息安全技术股份有限公司 | Burn-after-reading method based on complete offline |
| CN105306444A (en) * | 2015-09-18 | 2016-02-03 | 四川效率源信息安全技术股份有限公司 | Burn-after-reading method and device based on cloud storage |
| CN105306444B (en) * | 2015-09-18 | 2019-03-22 | 四川效率源信息安全技术股份有限公司 | Burn-after-reading method based on cloud storage |
| CN105743884A (en) * | 2016-01-22 | 2016-07-06 | 广东信鉴信息科技有限公司 | Mail hiding method and mail hiding system |
| CN106469279A (en) * | 2016-08-30 | 2017-03-01 | 北京北信源软件股份有限公司 | A kind of method and system of compression Encrypt and Decrypt |
| CN107426086A (en) * | 2017-06-22 | 2017-12-01 | 惠州学院 | The method and its system of a kind of data processing |
| US10659436B2 (en) | 2017-06-22 | 2020-05-19 | Huizhou University | Method and system for data processing |
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Application publication date: 20130814 |