Re: Security Flaw in Popular Disk Encryption Technologies

2008-02-26 Thread Uwe Doering
Achim Patzner wrote: Am 25.02.2008 um 23:48 schrieb Uwe Doering: Since it hasn't been mentioned so far: There are hard disk drives that do encryption on the firmware level, so you don't have to store keys on the OS level. I wouldn't go that far as there isn't (better: I

Re: Security Flaw in Popular Disk Encryption Technologies

2008-02-25 Thread Uwe Doering
s. Hitachi makes such drives, for instance (2.5" SATA models for notebooks). There the HDD password doubles as encryption key, AFAIK. So if the data you carry around is really that sensitive I would suggest to consider that approach. Regards, Uwe -- Uwe Doering | EscapeBox - Ma

Re: Interesting TCP issue

2007-01-22 Thread Uwe Doering
&r2=1.85 http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/netinet/tcp_var.h.diff?r1=1.127&r2=1.128 How about the modifications in 'tcp_input.c'? Are they relevant to the problem this thread is about? If so, assessing the correctness of an MFC might prove to be a little harder. Uwe -- Uw

Re: Properly controlling CFLAGS/CXXFLAGS

2006-12-22 Thread Uwe Doering
lt and people got away with certain nasty coding hacks that no longer work with '-fstrict-aliasing'. Uwe -- Uwe Doering | EscapeBox - Managed On-Demand UNIX Servers [EMAIL PROTECTED] | http://www.escapebox.net ___ freebsd-hackers@freebsd

Re: 4.8 "Alternate system clock has died" error

2005-11-22 Thread Uwe Doering
Charles Sprickman wrote: On Tue, 22 Nov 2005, Uwe Doering wrote: Charles Sprickman wrote: [...] So it certainly looks easy enough for me to change the first two sections of the diff referenced above, but I'm having issues finding that last one in cpu_initclocks(). It looks like that se

Re: 4.8 "Alternate system clock has died" error

2005-11-21 Thread Uwe Doering
Charles Sprickman wrote: On Mon, 21 Nov 2005, John Baldwin wrote: On Saturday 19 November 2005 02:16 pm, Uwe Doering wrote: John Baldwin wrote: [...] Actually, there was a patch that was committed in 5.4 and 6.0 for this issue. You can see the diff here: http://www.freebsd.org/cgi/cvsweb.cgi

Re: 4.8 "Alternate system clock has died" error

2005-11-19 Thread Uwe Doering
y easily. I just looked at RELENG_4, and yes, backporting should be easy. Though I haven't tried it yet on our machines. I wonder, however, what's writing to the RTC on a running server. Could this event perhaps have been triggered by the recent Daylight Saving Time switch? U

Re: Reducing dummynet pipe size hangs system

2005-08-18 Thread Uwe Doering
want to look at rev. 1.24.2.22 and 1.24.2.25 (RELENG_4) in any case: http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/netinet/ip_dummynet.c?only_with_tag=RELENG_4 Uwe -- Uwe Doering | EscapeBox - Managed On-Demand UNIX Servers [EMAIL PROTECTED] | http

Re: Problem with pic16l_setled

2005-07-28 Thread Uwe Doering
edx and ecx may be altered without preserving their original contents on the stack (or wherever else). That is, in C the calling level expects that the other registers survive a function call unharmed. As pointed out that's the standard x86 calling convention which applies to all x86 c

Re: Obvious bug in /sys/i386/include/bus.h (was: bus_at386.h)

2005-06-14 Thread Uwe Doering
e which internally is an "and", but since it drops the result and just sets the condition register it is faster than "and" or "or". At least potentially. Depends on the surrounding code. Uwe -- Uwe Doering | EscapeBox - Managed On-Demand

Re: malloc vs ptmalloc2

2005-02-14 Thread Uwe Doering
gate this before you invest too much time into your porting effort. Uwe -- Uwe Doering | EscapeBox - Managed On-Demand UNIX Servers [EMAIL PROTECTED] | http://www.escapebox.net ___ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.