** Changed in: libfprint (Ubuntu)
Status: New => Confirmed
** Changed in: libfprint (Ubuntu)
Importance: High => Low
** Changed in: libfprint (Ubuntu)
Importance: Low => High
** Also affects: libfprint via
https://gitlab.freedesktop.org/libfprint/fprintd/issues/16
Importance: Unknown
Status: Unknown
** Changed in: libfprint (Ubuntu)
Importance: High => Low
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https://bugs.launchpad.net/bugs/1819406
Title:
Found broken a feature for fingerprint image obfuscation
Status in libfprint:
Unknown
Status in libfprint package in Ubuntu:
Confirmed
Bug description:
Dear all,
In this package, a random seed is used for generation key for obfuscating a
fingerprint image in uru4000 driver.
Unfortunately, it seems that the seed always exhibits the same sequence of
numbers each time since it is generated from rand() in libc by default.
Then I reported this issue to the upstream with the patch.
However, the maintainer insists that the obfuscation-feature can be broken
since the key for encryption is composed of just 4-bytes length.
Thus, there is no need to patch about random seed anyway.
It's pretty weird to say that.
Would it be all right if I leave this as it is?
Many thanks!!
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