File used in the process of setting up a digital certificate; stores a Certificate Signing Request (CSR) which contains information that uniquely identifies the initiator of the request; sent to a trusted entity (a certificate authority) who uses the request to generate a valid digital certificate for the requester.
CSRs are used in the process of public key cryptography, which is used to validate identities on the Internet.
Empty file sometimes stored on Canon digital camera SD cards; saved with the filename ver.req and used for reporting the firmware version on the camera when the user holds the FUNC/SET button and presses the DISP button.
You can manually create the ver.req empty file by saving a blank document in Microsoft Notepad and renaming the filename to ver.req.
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