Re: Self Decrypting Archive in PGP

2000-07-24 Thread Steven M. Bellovin
In message <[EMAIL PROTECTED]>, Eric Murray writes: > >Why not send then a SDA that contains a copy of PGP, installs it, >generates a key for the user, posts it to a keyserver, sets up the >correct MIME content-type hooks in the user's browser, and then send >them the real PGP-encrypted file 10 m

RE: Self Decrypting Archive in PGP

2000-07-23 Thread Bill Frantz
Perry wrote: >Am I the only person left on earth who finds "self-extracting" bundles >to be a menace to security? --Perry] Obviously not from the other comments. I view self extracting archives (SEAs) as being no different from any other executable. If you are comfortable running the program on

RE: Self Decrypting Archive in PGP

2000-07-22 Thread John R Levine
> I think this is secure: > >- pre-distribute a public key (cert, whatever) that you trust >- install decryption/sig checking software on the target machines > (I think this is necessary) >- when the blob is transmitted, send a signature (detached) and the > executable self-

RE: Self Decrypting Archive in PGP

2000-07-22 Thread Rodney Thayer
Suppose I have something complicated, like a bunch of database files or a report from an outsourced monitoring service, that I want to email to someone. Then I might want a self-extracting, secure 'blob'. I think this is secure: - pre-distribute a public key (cert, whatever) that you trust

RE: Self Decrypting Archive in PGP

2000-07-21 Thread David Honig
At 02:36 PM 7/21/00 -0400, Meyer Wolfsheim wrote: >Nope, you are definately not the only one. I usually recommend to my >customers that they block all executable attachments at the mail >server. Problem solved. What about *compressed* .exes? (and .bat and .vbs and .doc-macros etc) I suppose a m

Re: Self Decrypting Archive in PGP

2000-07-21 Thread Eric Murray
On Thu, Jul 20, 2000 at 07:03:50PM -0700, Salzman, Noah wrote: > First, > The Unix flavors of PGP E-Business Server 7.0 (fancy name for Command Line, > fancy price too) will support the creation of _Windows-based_ SDAs. PGP 7 > is "due out in the near future." > > The classic example of the requ

RE: Self Decrypting Archive in PGP

2000-07-21 Thread Meyer Wolfsheim
-BEGIN PGP SIGNED MESSAGE- > Am I the only person left on earth who finds "self-extracting" bundles > to be a menace to security? --Perry] I am sure everyone on this list is well aware of the problems that public key crypto solves. Temporarily ignoring the virus/trojan threat, the securi

RE: Self Decrypting Archive in PGP

2000-07-21 Thread Antonomasia
> [So you just feel comfortable training people's users to run > executables they get from potentially untrusted sources over the net, > eh? Are you really helping anyone's security here? > > Am I the only person left on earth who finds "self-extracting" bundles > to be a menace to security? --P

Re: Self Decrypting Archive in PGP

2000-07-21 Thread Jay D. Dyson
On Thu, 20 Jul 2000, Ove Espeland wrote: > How do I make a Self Decrypting Archive with the PGP Command line I find myself oddly reminded of a line from Jurassic Park[1] in which Ian Malcolm remarked that people got so caught up in whether they could do something that they didn't stop t

RE: Self Decrypting Archive in PGP

2000-07-21 Thread John R Levine
> Am I the only person left on earth who finds "self-extracting" bundles > to be a menace to security? --Perry] No. On the other hand, considering that your typical Windows user will push a button marked "Push this button now to erase all the files on your disk", it's a relatively small part of

Re: Self Decrypting Archive in PGP

2000-07-21 Thread Donald E. Eastlake 3rd
No Perry, you are not alone. Executable archives, like Active-X and other executing content, are really a bad idea from a security point of view. Donald

RE: Self Decrypting Archive in PGP

2000-07-21 Thread Salzman, Noah
sday, July 20, 2000 2:10 PM To: Ove Espeland Cc: '[EMAIL PROTECTED]' Subject: Re: Self Decrypting Archive in PGP At 9:18 am +0200 2000-07-20, Ove Espeland wrote: >How do I make a Self Decrypting Archive with the PGP Command line Ove, You cannot. SDAs are available in the Windows

Re: Self Decrypting Archive in PGP

2000-07-20 Thread Dave Del Torto
At 9:18 am +0200 2000-07-20, Ove Espeland wrote: >How do I make a Self Decrypting Archive with the PGP Command line Ove, You cannot. SDAs are available in the Windows and Mac GUI clients only, and they are not x-platform. X-platform executable self-decryption capability shouldn't be rocket scie

Self Decrypting Archive in PGP

2000-07-20 Thread Ove Espeland
How do I make a Self Decrypting Archive with the PGP Command line Ove Espeland Norsk Eiendomsinformasjon as [Normally I would have blocked this as being below the level I want for the list, but I'm letting it through because I wanted to mention that I consider self-extracting anything -- zip