Re: PGP master keys

2006-05-01 Thread Travis H.
On 29 Apr 2006 02:00:18 -, StealthMonger [EMAIL PROTECTED] wrote: Interesting epilog: theregister has apparently now edited out all mention of master keys. They probably had their misunderstanding pointed out to them by countless people by now. But... did anyone else note the phrasing of

encrypted file system issues (was Re: PGP master keys)

2006-05-01 Thread Perry E. Metzger
Travis H. [EMAIL PROTECTED] writes: Does anyone have any experience with disk or filesystem encryption, especially with regard to unclean shutdowns and power failures? Normal file systems are designed to fail in ways that are easy to clean up with fsck, but when you start to throw encryption

Disk Encryption (was: Re: PGP master keys)

2006-05-01 Thread Jeffrey I. Schiller
I use the following approach to encrypting my disks. I use an encrypted loopback device. The version of losetup I use permits me to store the disk key in a PGP encrypted file and decrypt it (with gpg) when needed. I made many backups of the both my personal keyring and the file with the encrypted

Re: PGP master keys

2006-05-01 Thread leichter_jerrold
| issues did start showing up in the mid-90s in the corporate world ... | there were a large number of former gov. employees starting to show up | in different corporate security-related positions (apparently after | being turfed from the gov). their interests appeared to possibly reflect

Re: PGP master keys

2006-05-01 Thread Anne Lynn Wheeler
[EMAIL PROTECTED] wrote: A similar issue occurs in a civilian context, sometimes with fake employees, other times with fake bills. Often, these get found because they rely on the person committing the fraud being there every time a check arrives: It's the check sitting around with no one

Re: encrypted file system issues (was Re: PGP master keys)

2006-05-01 Thread Travis H.
On 5/1/06, Perry E. Metzger [EMAIL PROTECTED] wrote: Not if you design it correctly. Disk encryption systems like CGD work on the block level, and do not propagate CBC operations across blocks, So is it vulnerable to any of the attacks here? http://clemens.endorphin.org/LinuxHDEncSettings I

Re: encrypted file system issues

2006-05-01 Thread Perry E. Metzger
Travis H. [EMAIL PROTECTED] writes: On 5/1/06, Perry E. Metzger [EMAIL PROTECTED] wrote: Not if you design it correctly. Disk encryption systems like CGD work on the block level, and do not propagate CBC operations across blocks, So is it vulnerable to any of the attacks here?

what's wrong with HMAC?

2006-05-01 Thread Travis H.
Ross Anderson once said cryptically, HMAC has a long story attched to it - the triumph of the theory community over common sense He wouldn't expand on that any more... does anyone have an idea of what he is referring to? -- Curiousity killed the cat, but for a while I was a suspect -- Steven

Windows XP product activation, product keys, installation IDs, c.

2006-05-01 Thread Travis H.
In case you wondered what was behind those sequences of digits... Gory details here: http://www.licenturion.com/xp/fully-licensed-wpa.txt Ew, I think I have to take a shower now. -- Curiousity killed the cat, but for a while I was a suspect -- Steven Wright Security Guru for Hire

Re: what's wrong with HMAC?

2006-05-01 Thread Thierry Moreau
Travis H. wrote: Ross Anderson once said cryptically, HMAC has a long story attched to it - the triumph of the theory community over common sense He wouldn't expand on that any more... does anyone have an idea of what he is referring to? I suggest that you read the theory, make your