Re: New hash function definitions

2000-07-12 Thread Jaap-Henk Hoepman
It seems that if you are only concerned about the length extension property, you could make the last compression function in the chain different from all other compression functions. For example, if sha() is the compression function for SHA1 and md() is the compression function for RIPEMD ---

Re: FBI announcement on email search 'Carnivore'

2000-07-12 Thread Steven M. Bellovin
In message [EMAIL PROTECTED], Meyer Wolfs heim writes: -BEGIN PGP SIGNED MESSAGE- I guess this explains the FBI's opposition to the Verio merger. I wonder if a colocation company or service provider could be forced to disclose its participation in the Carnivore project. Any

Re: FBI announcement on email search 'Carnivore'

2000-07-12 Thread Marc Horowitz
"Steven M. Bellovin" [EMAIL PROTECTED] writes: In this situation, everyone's email has to be scanned in order to isolate the desired traffic. I've seen this claim before, and I don't think it's true. It's like saying to wiretap my phone calls, you need to tap an entire fiber, and do

Re: FBI announcement on email search 'Carnivore'

2000-07-12 Thread Steven M. Bellovin
In message [EMAIL PROTECTED], Marc Horowitz writes: "Steven M. Bellovin" [EMAIL PROTECTED] writes: In this situation, everyone's email has to be scanned in order to isolate the desired traffic. I've seen this claim before, and I don't think it's true. It's like saying to wiretap my phone

Re: FBI announcement on email search 'Carnivore'

2000-07-12 Thread Jeffrey I. Schiller
I suspect that the reason they would want Carnivore as opposed to looking at spool files is that it is less invasive then looking at spool files, isn't dependent on the technology choices made by the ISP and finally its operation is beyond the ISP's examination. "Here just connect this to your

Re: FBI announcement on email search 'Carnivore'

2000-07-12 Thread David Honig
At 10:58 AM 7/12/00 -0400, Steven M. Bellovin wrote: There's been speculation about NSA black boxes in such facilities for years. The FBI, however, isn't quite as "above the law" as the NSA likes For $500/monthly you too can have a box in various NAPs. You can run your NIC in Bill Clinton mode,