[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 0/2] Try to fix problem with emulated smartcards whe
[Qemu-devel] [PATCH 0/2] Try to fix problem with emulated smartcards where invalid PIN succeeds
Sun, 8 Sep 2013 01:08:37 -0400
I started writing a blog post yesterday about virtualized smartcards here:
and while testing what I was writing I noticed an invalid PIN worked when
it shouldn't have. It turns out that typing a valid PIN once in one program in
the guest, is enough to make all future programs asking for the PIN to succeed
regardless of what gets typed in for the PIN.
I did some digging through the libcacard code, and noticed it uses the
NSS PK11_Authenticate function which calls a function that has this comment
If we're already logged in and this function is called we
will still prompt for a password, but we will probably succeed
no matter what the password was.
Also, PK11_Authenticate short-circuits to an early "return SECSuccess" if the
is already logged in.
The two patches in this series attempt to correct this problem by calling
I'm not 100% certain I've placed the PK11_Logout call in the best place, but it
seeming to fix the issue.
- [Qemu-devel] [PATCH 0/2] Try to fix problem with emulated smartcards where invalid PIN succeeds,
Ray Strode <=