Outgoing electronic mail encryption system based on BLOWFISH encryption algorithm
A technology of e-mail and encryption algorithm, which is applied in the direction of electrical components, transmission systems, digital transmission systems, etc., to achieve the effects of easy use, low cost, and fast processing speed
Inactive Publication Date: 2014-05-28
5JUST DALIAN COMP SYST RES & DEV
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[0016] Such as figure 1 with figure 2 The system for encrypting emails based on the BLOWFISH encryption algorithm as shown is characterized in that it comprises the following steps:
[0017] 1) Real-time monitoring of whether the computer central processing unit makes an instruction to send out an email by sending out an email identification unit;
[0018] 2) Once the e-mail identification unit finds that the computer central processing unit has issued an e-mail instruction, it sends a signal to notify the active unit;
[0019] 3) The main control unit automatically establishes a connection with the computer central processing unit, retrieves the email to be sent by the computer central processing unit, and then sends it to the BLOWFISH encryption unit for encryption processing;
[0020] 4) Finally, the main control unit feeds back the encrypted email to the computer central processing unit, and the computer central processing unit performs the next step of processing.
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The invention discloses an outgoing electronic mail encryption system based on the BLOWFISH encryption algorithm. The encryption system is characterized in that the encryption comprises the following steps: 1) real-time monitoring is performed on the condition whether a computer central processing unit makes an instruction of sending an electronic mail to the outside or not through an outgoing electronic mail identification unit; 2) once the outgoing electronic mail identification unit finds that the computer central processing unit makes the instruction of sending an electronic mail to the outside, a signal is sent to notice a master control unit; 3) the master control unit establishes connection with the computer central processing unit automatically to obtain the electronic mail that the computer central processing unit is about to send and then send the electronic mail to a BLOWFISH encryption unit for encryption; 4) and finally, the encrypted electronic mail is fed back to the computer central processing unit by the master control unit for further being processed by the computer central processing unit. The method provided in the invention has advantages, such as convenient utilization, fast processing speed, easy technology implementation, etc.
Description
technical field [0001] The invention relates to a system for encrypting outgoing emails based on a BLOWFISH encryption algorithm. Background technique [0002] With the general promotion of enterprise modernization, paperless office has been accepted by more and more enterprises because of its advantages such as high office efficiency, convenient file transfer, resource and cost saving. It is precisely because of its convenient file transfer that the risk of leaking corporate secrets is greatly increased. [0003] Especially for emails sent by enterprises, if the content is encrypted, the office staff of the enterprise needs to manually encrypt the transmitted content. Today, efficiency is the first priority, and it is almost impossible to require every file to be encrypted. . Therefore, a system capable of encrypting outgoing e-mails by itself needs to be developed urgently. [0004] The Blowfish algorithm is an encryption algorithm that replaces DES and IDEA. It is a s...
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IPC IPC(8): H04L9/06H04L12/58
Inventor 孙凯歌
Owner 5JUST DALIAN COMP SYST RES & DEV