This story is purely fictional and is for you to understand the technical principles. It does not mean I support salary discussions.
Salary discussion is a red line in every company, and several colleagues have recently been fired for discussing their salary. However, RD Xiaohua, FE Xiaogang, iOS Xiaoming and Android Xiaoyan were lucky enough to escape the fire and discuss the matter.
At this time everyone issued a worshipping expression, did not expect xiao Gang and this ability.
FE xiao Gang began to show off his skills, otherwise these days white clocking to learn network programming. Xiaogang is going to test his colleagues, starting from the simple.
Android Xiaoyan immediately raised questions.
FE Xiaogang thought no one would have a doubt, did not think at ordinary times looking at the silly XiaoYan turned out to be very smart, it seems that later need to know more about colleagues around.
If RD Xiaohua sends me her salary information, she can send it like this.
Always silent iOS Xiao Ming, issued a question.
Xiao Ming gave an example. When the public key was transferred, it was switched by the leader. The leader monitored Xiaogang’s public key and sent his own public key to Xiaoming:
Xiaoming thought that the public key he received was Xiaogang’s, and then sent xiaogang a message complaining about the leader. However, when encrypting, he used the leader’s public key, which was monitored by the leader. The leader was shocked when he saw xiaoming’s message. He thought he was doing a good job, but unexpectedly…
Team talented people different too much, FE Xiaogang was completely impressed by them!! Fortunately, I saved myself a hand, thanks to the story HTTPS.
We finally decided to Android Xiaoyan as the public key authority. Xiao Yan is very careful in her work, and she is very familiar with all her colleagues.
“Public account Su Yan note: This Android xiao Yan acts as the ROLE of CA organization”
“Public plain yan note: someone ask, if transfer certificate when xiaoyan to be tampered with the zha do? Digital certificate contains a public key and a autograph of personal information, if has been tampered with, to receive the digital certificate, check the public and personal information is your own. Here are a few concepts need to acquire information, digital signature, digital certificate”
Xiaoyan will send her public key to other partners in advance to install in his computer.
Note: This process is equivalent to the CA organization installing the public key on the computer in advance, we are not accessible”
FE Xiao Gang sends a certificate to iOS Xiao Ming. Ming verifies the certificate to ensure that it is The public key of Xiao Gang.
Listen to FE Xiaogang finish his strategy, everyone gave a thumbs-up.
We are very curious about the same work, why xiaogang can understand the signature process so thoroughly, then Xiaogang in everyone’s repeated requests, said his reason.
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