On Fri, Jun 23, 2023 at 08:55:56AM +0300, Svyatoslav Ryhel wrote: > This is a small tool for calculation of SoC UID based on the same > Linux function. It can be further used for generation of device > unique data like mac address or exposing it as serial number.
It's a very bad idea to use the SoC UID as a MAC address. There are better ways (such as MAC address randomization) to generate one if for some reason you don't have a real MAC address or are concerned about privacy. The SoC UID is also not very well suited as a serial number because it identifies only the SoC, but doesn't say anything about any of the other components of a device. Many devices have serial numbers in some EEPROM chip, so those would be more appropriate. I suppose not all devices have such a system-wide serial number, so perhaps there are cases where this would be better than nothing. Thierry
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