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Date: Fri, 3 Jan 2014 10:32:09 +1100
From: Michael Samuel <>
Subject: Re: Re: kwallet crypto misuse

> > KWallet uses QDataStream, which encodes QString objects (used in
> > KWallet maps) as UTF-16. So, the string "abcd" will be stored as
> > "\0a\0b\0c\0d", which gives four bytes of information per block.
> Does anyone know whether the KWallet user interface could make it
> possible to enter passwords containing 16-bit characters (i.e.,
> characters that cannot be represented using 8 bits)? If that would not
> be possible, then this issue could potentially qualify for an
> additional CVE assignment.

I don't think another CVE is warranted - this just amplifies the original

Implementing a cryptographic store (eg. a cryptographic file protocol) is
non-trivial and the KDE developers might wish to seek help with this -
perhaps a wiki page?


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