Re: mac address in UuidCreateSequential

Tech Tip: Click here to run a free scan for Windows Errors and optimize PC performance



"Jochen Kalmbach [MVP]" <nospam-Jochen.Kalmbach@xxxxxxxxx> wrote:

after windows 2000, the MAC address plays no part at all in the creation of
the UUID (for security reasons since the MAC can be used to trace back to
your machine)

According to the doc, this is only true for "UuidCreate"!
For "UuidCreateSequential" it has the same behavior as before...

Correct. For those who are interested in arcana, both of the formats used
by Microsoft are actually documented in great detail in RFC 4122. The
whole concept actually goes back a long time, reportedly to the old Apollo
workstations.
--
Tim Roberts, timr@xxxxxxxxx
Providenza & Boekelheide, Inc.
.



Relevant Pages

  • Re: mac address in UuidCreateSequential
    ... the UUID (for security reasons since the MAC can be used to trace back to your machine) ...
    (microsoft.public.win32.programmer.kernel)
  • Re: 2.6.15-mm2
    ... CPU: Trace cache: 12K uops, ... SCSI device sda: 156301488 512-byte hdwr sectors ... hub 1-0:1.0: USB hub found ... sdb7 has different UUID to sdb10 ...
    (Linux-Kernel)
  • Re: 2.6.17-mm4 raid bugs & traces
    ... md: considering sde2 ... ... sdc1 has different UUID to sde2 ... Call Trace: ... EXT3-fs: INFO: recovery required on readonly filesystem. ...
    (Linux-Kernel)
  • Re: [PATCH] Time-based RFC 4122 UUID generator
    ... could you please consider adding this patch to your 2.6.25 patch series? ... This patch additionally adds the "Time-based UUID" variant of RFC 4122, ... Look if a net device with a given MAC still exists in this machine. ... If it does not exist any longer, return the MAC address of the _first_ true network card ...
    (Linux-Kernel)
  • Re: Getting Different MACIDs for the same network Adapter
    ... I am trying to fetch the MACID of my System using UUID ... Just a quick verification is to check that you dont have multiple ... I am not sure which MAC adress UuidCreateSequential ... uses to generate UUID. ...
    (microsoft.public.win32.programmer.networks)