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Backup and recovery of digital certificate small fish digital certificates also known as CA certificates, which consists of a very long code, including information such as the name of the certificate applicant. The digital certificate is generally issued by the CA certification body. It is the only corresponding correspondence of the public key contained in the certificate body and the certificate, so it is widely used on the network. Let's introduce how to back up the digital certificate and restore. The backup digital certificate is first entered in the "MMC" in the Run dialog to open the "Console", then click the menu "File → Add / Remove Management Unit", click the "Add" button in the pop-up dialog box. Then double-click the "Certificate" in the list of management units, and select "My User Account" in the Certificate Management Unit window, then click the "Finish" button (Figure 1). Go back to "Control Bengen Nod", the following is all the certificates of the current user in the computer. We find the digital certificate you want to make backup in the window, click the right mouse button to select "All Tasks → Export" (Figure 2). At this time, "Certificate Export Wizard" will pop up, we can operate according to the prompt, here chooses the encoding format to use, if you don't set the default "DER encoded binary". Finally, choose the saved path and file name, the saved digital certificate file is "CER" format. Recovering a digital certificate Recovery digital certificate is a lot, let's introduce the most common ways to recover digital certificates. 1. Directly recovery to open the Console window, add a "certificate" unit according to the above method, then select the classification folder to import on the left, then click the right mouse button in the window, select "All Tasks → Import", finally You can import the backup digital certificate (Figure 3) according to the Certificate Import Wizard. 2. In the IE Properties dialog box If imported is a digital certificate with the protection password, we can operate in IE, open the Internet Options dialog, click the "Certificate" button under the "Content" tab, then Click the "Import" button to import the backup digital certificate in the "Certificate" dialog box. 3. Specifying a recovery agent opens "Control Panel → Administration Tools → Local Security Policy", then click on the "Public Key Policy → Encrypted File System" to click on the right mouse button, select "All Tasks → Add Data Recovery Agent", through "Fault Recovery Proxy Wizard "To select a user of the agent or the user's CRE file with a fault recovery certificate (Figure 4). After making backup and recovery of the digital certificate, we will not worry if we reload the system later. Figure 1 Figure 2 Figure 3 Figure 4
