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What are the encryption methods used in EDI and e-commerce systems? What is the principle of encryption?
EDI documents can be transmitted through an encrypted transmission protocol such as AS2 protocol. AS2 protocol is based on HTTP/S.

The encryption principle of AS2 protocol is as follows:

First of all, the message can (but not necessarily) ensure the reliability of the receiver by adding a digital signature; ?

In addition, it is possible (but not necessary) to encrypt the message itself and then transmit it to ensure the security during transmission.

Note: If HTTPS is adopted, another layer of protection will be added.

I hope it helps you.