E-mail encryption and decryption method and system and storage medium
An email, encryption and decryption technology, applied in electrical components, transmission systems, digital transmission systems, etc., can solve problems such as security risks, personal privacy and company secret exposure, and achieve high security, ensure security, and improve security. Effect
Pending Publication Date: 2022-03-11
卓望数码技术(深圳)有限公司
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Problems solved by technology
E-mail has brought convenience to people, but at the same time it has brought great security risks
Because e-mail relies on the e-mail system to send and receive, and the e-mail system usually stores e-mails centrally in the server, and usually stores them in plain text. Therefore, the e-mail system has become a key target of attack by criminals. The server is hacked by illegal personnel, and the personal privacy and company secrets stored in the server will be exposed, which poses a great security risk
Method used
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[0053] Embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are only for explaining the present application, and should not be construed as limiting the present application.
[0054] It should be noted that although the functional modules are divided in the system schematic diagram and the logical order is shown in the flow chart, in some cases, it can be executed in a different order than the module division in the system or the flow chart steps shown or described. Terms and the like in the description, claims, and above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence.
[0055] In the description o...
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The invention discloses an E-mail encryption and decryption method, device and system and a storage medium, and relates to the technical field of encryption. The E-mail encryption and decryption method comprises the following steps: randomly generating session key plaintexts in one-to-one correspondence with to-be-encrypted mails; wherein the to-be-encrypted mail comprises recipient information, and the recipient information comprises a recipient mail address; encrypting the E-mail plaintext by using the session key plaintext to obtain a corresponding E-mail ciphertext; performing asymmetric encryption on the session key plaintext by taking the recipient information as a public key to obtain a corresponding session key ciphertext; and obtaining an encrypted mail according to the session key ciphertext and the E-mail ciphertext. According to the e-mail encryption and decryption method, the e-mail can be encrypted, and the security of the e-mail is effectively improved.
Description
technical field [0001] The present application relates to the technical field of encryption, in particular to an email encryption and decryption method, system and storage medium. Background technique [0002] In related technologies, with the popularization of the Internet, e-mail has become one of the most commonly used communication tools in the life and work of modern people. Although various instant messaging tools are increasingly developed, email is still an important means of communication and information delivery. According to statistics, more than 80% of office documents, more than 95% of company business data, and confidential documents are still transmitted and communicated by email. E-mail has brought convenience to people, but at the same time it has brought great security risks. Because e-mail relies on the e-mail system to send and receive, and the e-mail system usually stores e-mails centrally in the server, and usually stores them in plain text. Therefore...
Claims
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IPC IPC(8): H04L9/40H04L51/42
CPCH04L63/045
Inventor 刘洪刚
Owner 卓望数码技术(深圳)有限公司