CN103561023A - Method and device for sending and receiving communication information - Google Patents
Method and device for sending and receiving communication information Download PDFInfo
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- CN103561023A CN103561023A CN201310533126.0A CN201310533126A CN103561023A CN 103561023 A CN103561023 A CN 103561023A CN 201310533126 A CN201310533126 A CN 201310533126A CN 103561023 A CN103561023 A CN 103561023A
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Abstract
The invention discloses a method and device for sending and receiving communication information and a safety protection system. The method for sending the communication information includes the steps that a communication sending party generates a first secret key before communication data are sent, initial encryption is conducted on the first secret key through a second secret key, the communication sending party conducts secondary encryption on the initially-encrypted first secret key through a third secret key after initial encryption is conducted, the communication sending party sends the secondarily-encrypted first secret key to a communication receiving party, and the communication sending party is in encryption communication with the communication receiving party through the first secret key. Encryption is conducted on the communication data before the communication data are sent, secondary encryption is conducted on the encrypted communication data when the communication data are sent, and therefore dual-level protection is achieved for the communication data, communication software is prevented from monitoring the communication data of a user, and privacy is prevented from being revealed.
Description
Technical field
The present invention relates to network safety filed, specifically, relate to a kind of initiation and method of reseptance, initiation and receiving system and safety system of communication information.
Background technology
In recent years, along with the development of the Internet, MSN has become the requisite exchange way of people, and people are almost communicating with MSN every day, and it is great convenient that MSN has brought to people's life.
At present, existing MSN is in order to ensure that user's communication data is not revealed, so when user communicates by MSN, can utilize the transfer of data cipher mode of self to be encrypted user's communication data, so just can play certain guaranteeing role.Yet, this guarantee is cured the symptoms, not the disease, and it can not fundamentally ensure the safety of user communication data, and this guarantee is only aimed at third party and designs, it has ensured that user's communication data is not easy to be obtained by third party, but be aimed at MSN side, is in the air.In data transmission procedure, for MSN side, expose completely, MSN side can obtain user's communication data at any time, obtains user's privacy, can not fundamentally ensure the safety of user communication data.
For communication information in correlation technique, easily revealed, be can not get the problem of safety guarantee, not yet proposed at present effective solution.
Summary of the invention
For communication information in correlation technique, easily revealed; can not get the problem of safety guarantee; the present invention proposes initiation and method of reseptance, initiation and receiving system and the safety system of communication information; can be good at communication information to protect, for user's privacy provides certain safety guarantee.
Technical scheme of the present invention is achieved in that
A kind of initiating method of communication information is provided according to an aspect of the present invention.
This initiating method comprises:
Before communication data sends, communication initiator generates the first key, and, by the second key, described the first key is encrypted for the first time;
After first encryption, communication initiator encrypts described the first key after first encryption again by the 3rd key;
Communication initiator sends to communication receiver by described the first key after again encrypting;
Communication initiator utilizes described the first key to be encrypted and to communicate by letter with communication receiver.
In addition, this initiating method also comprises: obtain in advance the second key of depositing on network side.
Wherein, described the first key is AES key; The PKI that described the second key is communication receiver.
A kind of apparatus for initiating of communication information is provided according to a further aspect in the invention.
This apparatus for initiating comprises:
The first encrypting module, before sending at communication data, generates the first key, and, by the second key, described the first key is encrypted for the first time;
The second encrypting module, for after first encryption, encrypts described the first key after first encryption again by the 3rd key;
The first sending module, for sending to communication receiver by described the first key after again encrypting;
First communication module, for utilizing described the first key to be encrypted and to communicate by letter with communication receiver.
In addition, this apparatus for initiating also comprises: acquisition module, and for obtaining in advance the second key of depositing on network side.
Wherein, described the first key is AES key; The PKI that described the second key is communication receiver.
A kind of method of reseptance of communication information is provided in accordance with a further aspect of the present invention.
This method of reseptance comprises:
Described the first key after again encrypting that communication receiver's received communication transmit leg sends;
Communication receiver is decrypted described the first key after again encrypting by the 4th key with the 3rd key pairing, obtains described the first key after preliminary encryption;
Communication receiver is decrypted described the first key after preliminary encryption by the 5th key with described the second key pairing, obtains described the first key;
Communication receiver utilizes described the first key to be encrypted and to communicate by letter with communication initiator.
Wherein, described the first key is AES key; The PKI that described the second key is communication receiver, the private key that described the 5th key is communication receiver.
A kind of receiving system of communication information is provided according to another aspect of the invention.
This receiving system comprises:
The first receiver module, described the first key after again encrypting sending for received communication transmit leg;
The first deciphering module, is decrypted described the first key after again encrypting for the 4th key by with the 3rd key pairing, obtains described the first key after preliminary encryption;
The second deciphering module, is decrypted described the first key after preliminary encryption for the 5th key by with described the second key pairing, obtains described the first key;
Second communication module, for utilizing described the first key to be encrypted and to communicate by letter with communication initiator.
Wherein, described the first key is AES key; The PKI that described the second key is communication receiver, the private key that described the 5th key is communication receiver.
A kind of safety system of communication information is provided according to another aspect of the invention.
This safety system comprises:
The first encrypting module, is positioned at communication initiator's side, before sending at communication data, generates the first key, and, by the second key, described the first key is encrypted for the first time;
The second encrypting module, is positioned at communication initiator's side, for after first encryption, by the 3rd key, described the first key after first encryption is encrypted again;
The first sending module, is positioned at communication initiator's side, for described the first key after again encrypting is sent to communication receiver;
First communication module, is positioned at communication initiator's side, for utilizing described the first key to be encrypted and to communicate by letter with communication receiver;
The first receiver module, is positioned at communication receiver's side, described the first key after again encrypting sending for received communication transmit leg;
The first deciphering module, is positioned at communication receiver's side, for the 4th key by with the 3rd key pairing, described the first key after again encrypting is decrypted, and obtains described the first key after preliminary encryption;
The second deciphering module, is positioned at communication receiver's side, for the 5th key by with described the second key pairing, described the first key after preliminary encryption is decrypted, and obtains described the first key;
Second communication module, is positioned at communication receiver's side, for utilizing described the first key to be encrypted and to communicate by letter with communication initiator.
In addition, this safety system also comprises: acquisition module, and for obtaining in advance the second key of depositing on network side.
Wherein, described the first key is AES key; The PKI that described the second key is communication receiver, the private key that described the 5th key is communication receiver.
The present invention is by before sending at communication data; communication data is encrypted; and then when communication data sends; communication data after encrypting is carried out to superencipher; thereby realized the double shielding to communication data; prevented the monitoring of bitcom to user's communication data, the leakage of the privacy of avoiding knowing clearly.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is according to the schematic flow sheet of the initiating method of the communication information of the embodiment of the present invention;
Fig. 2 is according to the structural representation of the apparatus for initiating of the communication information of the embodiment of the present invention;
Fig. 3 is according to the schematic flow sheet of the method for reseptance of the communication information of the embodiment of the present invention;
Fig. 4 is according to the structural representation of the receiving system of the communication information of the embodiment of the present invention;
Fig. 5 is according to the schematic flow sheet of the example of the initiation of the communication information of the embodiment of the present invention and method of reseptance.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, the every other embodiment that those of ordinary skills obtain, belongs to the scope of protection of the invention.
According to embodiments of the invention, provide a kind of initiating method of communication information.
As shown in Figure 1, according to the initiating method of the communication information of the embodiment of the present invention, comprise:
Step S101, before communication data sends, communication initiator generates the first key, and, by the second key, described the first key is encrypted for the first time;
Step S103, after first encryption, communication initiator encrypts described the first key after first encryption again by the 3rd key;
Step S105, communication initiator sends to communication receiver by described the first key after again encrypting;
Step S107, communication initiator utilizes described the first key to be encrypted and to communicate by letter with communication receiver.
In addition, this initiating method also comprises: obtain in advance the second key of depositing on network side.
Wherein, described the first key is AES key; The PKI that described the second key is communication receiver.
According to embodiments of the invention, also provide a kind of apparatus for initiating of communication information.
As shown in Figure 2, according to the apparatus for initiating of the communication information of the embodiment of the present invention, comprise:
The first encrypting module 21, before sending at communication data, generates the first key, and, by the second key, described the first key is encrypted for the first time;
The second encrypting module 22, for after first encryption, encrypts described the first key after first encryption again by the 3rd key;
The first sending module 23, for sending to communication receiver by described the first key after again encrypting;
In addition, this apparatus for initiating also comprises: acquisition module (not shown), and for obtaining in advance the second key of depositing on network side.
Wherein, described the first key is AES key; The PKI that described the second key is communication receiver.
According to embodiments of the invention, also provide a kind of method of reseptance of communication information.
As shown in Figure 3, according to the method for reseptance of the communication information of the embodiment of the present invention, comprise:
Step S301, described the first key after again encrypting that communication receiver's received communication transmit leg sends;
Step S303, communication receiver is decrypted described the first key after again encrypting by the 4th key with the 3rd key pairing, obtains described the first key after preliminary encryption;
Step S305, communication receiver is decrypted described the first key after preliminary encryption by the 5th key with described the second key pairing, obtains described the first key;
Step S307, communication receiver utilizes described the first key to be encrypted and to communicate by letter with communication initiator.
Wherein, described the first key is AES key; The PKI that described the second key is communication receiver, the private key that described the 5th key is communication receiver.
According to embodiments of the invention, also provide a kind of receiving system of communication information.
As shown in Figure 4, according to the receiving system of the communication information of the embodiment of the present invention, comprise:
The first receiver module 41, described the first key after again encrypting sending for received communication transmit leg;
The first deciphering module 42, is decrypted described the first key after again encrypting for the 4th key by with the 3rd key pairing, obtains described the first key after preliminary encryption;
The second deciphering module 43, is decrypted described the first key after preliminary encryption for the 5th key by with described the second key pairing, obtains described the first key;
Wherein, described the first key is AES key; The PKI that described the second key is communication receiver, the private key that described the 5th key is communication receiver.
According to embodiments of the invention, also provide a kind of safety system of communication information.
According to the safety system of the communication information of the embodiment of the present invention, comprise:
The first encrypting module, is positioned at communication initiator's side, before sending at communication data, generates the first key, and, by the second key, described the first key is encrypted for the first time;
The second encrypting module, is positioned at communication initiator's side, for after first encryption, by the 3rd key, described the first key after first encryption is encrypted again;
The first sending module, is positioned at communication initiator's side, for described the first key after again encrypting is sent to communication receiver;
First communication module, is positioned at communication initiator's side, for utilizing described the first key to be encrypted and to communicate by letter with communication receiver;
The first receiver module, is positioned at communication receiver's side, described the first key after again encrypting sending for received communication transmit leg;
The first deciphering module, is positioned at communication receiver's side, for the 4th key by with the 3rd key pairing, described the first key after again encrypting is decrypted, and obtains described the first key after preliminary encryption;
The second deciphering module, is positioned at communication receiver's side, for the 5th key by with described the second key pairing, described the first key after preliminary encryption is decrypted, and obtains described the first key;
Second communication module, is positioned at communication receiver's side, for utilizing described the first key to be encrypted and to communicate by letter with communication initiator.
In addition, this safety system also comprises: acquisition module (not shown), and for obtaining in advance the second key of depositing on network side.
Wherein, described the first key is AES key; The PKI that described the second key is communication receiver, the private key that described the 5th key is communication receiver.
By an example, technique scheme of the present invention is described below.
As shown in Figure 5, idiographic flow is as follows:
1, before communication, communication initiator applies for coded communication to communication receiver, and inquires whether the other side has coded communication environment;
2, communication receiver receives after request, and communication initiator generates AES key, and sends communication receiver to communication receiver's public key encryption AES key;
3, communication receiver decrypts AES key with the private key of oneself;
4, before chat data sends, with AES key, data are encrypted, recipient is decrypted with AES key after receiving data, has so just realized coded communication.
In above-mentioned flow process, when communication initiator's obtaining communication recipient's PKI, it can be communication initiator direct obtaining communication recipient's while applying for PKI from coded communication to communication receiver, also can be all users' the PKI of prestoring in the public key management server of network side in advance, when needs obtain PKI, directly at network side, obtain.
In sum; by means of technique scheme of the present invention; before sending at communication data; communication data is encrypted; and then when communication data sends, the communication data after encrypting is carried out to superencipher, thereby realized the double shielding to communication data; prevent the monitoring of bitcom to user's communication data, avoided the leakage of privacy.In addition, the present invention, when first encryption, has adopted aes algorithm, has also improved greatly the speed of first encryption.In addition, the method for user's PKI Adoption Network side centralized management in the present invention, has also improved flexibility and the convenience of ciphering process greatly.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. an initiating method for communication information, is characterized in that, comprising:
Before communication data sends, communication initiator generates the first key, and, by the second key, described the first key is encrypted for the first time;
After first encryption, communication initiator encrypts described the first key after first encryption again by the 3rd key;
Communication initiator sends to communication receiver by described the first key after again encrypting;
Communication initiator utilizes described the first key to be encrypted and to communicate by letter with communication receiver.
2. initiating method according to claim 1, is characterized in that, also comprises:
Obtain in advance the second key of depositing on network side.
3. according to the initiating method described in any one in claim 1 to 2, it is characterized in that, described the first key is AES key.
4. according to the initiating method described in any one in claim 1 to 2, it is characterized in that the PKI that described the second key is communication receiver.
5. an apparatus for initiating for communication information, is characterized in that, comprising:
The first encrypting module, before sending at communication data, generates the first key, and, by the second key, described the first key is encrypted for the first time;
The second encrypting module, for after first encryption, encrypts described the first key after first encryption again by the 3rd key;
The first sending module, for sending to communication receiver by described the first key after again encrypting;
First communication module, for utilizing described the first key to be encrypted and to communicate by letter with communication receiver.
6. a method of reseptance for communication information, is characterized in that, comprising:
Described the first key after again encrypting that communication receiver's received communication transmit leg sends;
Communication receiver is decrypted described the first key after again encrypting by the 4th key with the 3rd key pairing, obtains described the first key after preliminary encryption;
Communication receiver is decrypted described the first key after preliminary encryption by the 5th key with described the second key pairing, obtains described the first key;
Communication receiver utilizes described the first key to be encrypted and to communicate by letter with communication initiator.
7. method of reseptance according to claim 6, is characterized in that, described the first key is AES key.
8. method of reseptance according to claim 6, is characterized in that, the PKI that described the second key is communication receiver, the private key that described the 5th key is communication receiver.
9. a receiving system for communication information, is characterized in that, comprising:
The first receiver module, described the first key after again encrypting sending for received communication transmit leg;
The first deciphering module, is decrypted described the first key after again encrypting for the 4th key by with the 3rd key pairing, obtains described the first key after preliminary encryption;
The second deciphering module, is decrypted described the first key after preliminary encryption for the 5th key by with described the second key pairing, obtains described the first key;
Second communication module, for utilizing described the first key to be encrypted and to communicate by letter with communication initiator.
10. a safety system for communication information, is characterized in that, comprising:
The first encrypting module, is positioned at communication initiator's side, before sending at communication data, generates the first key, and, by the second key, described the first key is encrypted for the first time;
The second encrypting module, is positioned at communication initiator's side, for after first encryption, by the 3rd key, described the first key after first encryption is encrypted again;
The first sending module, is positioned at communication initiator's side, for described the first key after again encrypting is sent to communication receiver;
First communication module, is positioned at communication initiator's side, for utilizing described the first key to be encrypted and to communicate by letter with communication receiver;
The first receiver module, is positioned at communication receiver's side, described the first key after again encrypting sending for received communication transmit leg;
The first deciphering module, is positioned at communication receiver's side, for the 4th key by with the 3rd key pairing, described the first key after again encrypting is decrypted, and obtains described the first key after preliminary encryption;
The second deciphering module, is positioned at communication receiver's side, for the 5th key by with described the second key pairing, described the first key after preliminary encryption is decrypted, and obtains described the first key;
Second communication module, is positioned at communication receiver's side, for utilizing described the first key to be encrypted and to communicate by letter with communication initiator.
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| CN201310533126.0A CN103561023A (en) | 2013-10-31 | 2013-10-31 | Method and device for sending and receiving communication information |
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| CN201310533126.0A CN103561023A (en) | 2013-10-31 | 2013-10-31 | Method and device for sending and receiving communication information |
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| WO2015135337A1 (en) * | 2014-03-11 | 2015-09-17 | Tencent Technology (Shenzhen) Company Limited | Method and system for encrypted communications |
| CN105634737A (en) * | 2014-10-31 | 2016-06-01 | 腾讯科技（深圳）有限公司 | Data transmission method, terminals and system thereof |
| CN106357390A (en) * | 2016-10-21 | 2017-01-25 | 青岛海信电器股份有限公司 | Dynamic encryption method and device |
| CN107395581A (en) * | 2017-07-11 | 2017-11-24 | 上海众人网络安全技术有限公司 | Quick Response Code generates and read method, device, system, equipment and storage medium |
| CN114124880A (en) * | 2021-11-29 | 2022-03-01 | 北京天融信网络安全技术有限公司 | Secret communication method and device based on public cloud, computer equipment and storage medium |
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| US10164949B2 (en) | 2014-03-11 | 2018-12-25 | Tencent Technology (Shenzhen) Company Limited | Method and system for encrypted communications |
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| CN104618097A (en) * | 2015-01-24 | 2015-05-13 | 刘勇 | Data encryption sending method, data terminal and server |
| CN106357390A (en) * | 2016-10-21 | 2017-01-25 | 青岛海信电器股份有限公司 | Dynamic encryption method and device |
| CN107395581A (en) * | 2017-07-11 | 2017-11-24 | 上海众人网络安全技术有限公司 | Quick Response Code generates and read method, device, system, equipment and storage medium |
| CN107395581B (en) * | 2017-07-11 | 2020-11-17 | 上海众人网络安全技术有限公司 | Two-dimensional code generation and reading method, device, system, equipment and storage medium |
| CN114124880A (en) * | 2021-11-29 | 2022-03-01 | 北京天融信网络安全技术有限公司 | Secret communication method and device based on public cloud, computer equipment and storage medium |
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Application publication date: 20140205 |