Re: On message signing and Enigmail...

2012-02-02 Thread Mark H. Wood
On Wed, Feb 01, 2012 at 09:26:18PM +, gn...@lists.grepular.com wrote: On 01/02/12 21:12, Doug Barton wrote: I've posted using the same key on probably a dozen mailing lists, I use it for all of my personal and work email. I use it to sign all of the comments on my blog. I use it to sign

On message signing and Enigmail...

2012-02-01 Thread Christopher J. Walters
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 I thought I would start a new thread because of the thread confusion. I first want to say that I use Enigmail with Thunderbird, and check the To: and CC: lines of any replies before I send my reply to any list, to avoid people receiving unwanted

Re: On message signing and Enigmail...

2012-02-01 Thread Robert J. Hansen
On 2/1/12 3:34 PM, Christopher J. Walters wrote: On the issue of signing: I do sign my messages, and have uploaded my public keys to key servers, so they are available to check that no one has changed my message. Except that it doesn't. What's to prevent me from creating a certificate with

Re: On message signing and Enigmail...

2012-02-01 Thread gnupg
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 01/02/12 20:45, Robert J. Hansen wrote: On the issue of signing: I do sign my messages, and have uploaded my public keys to key servers, so they are available to check that no one has changed my message. Except that it doesn't. What's to

Re: On message signing and Enigmail...

2012-02-01 Thread Doug Barton
On 02/01/2012 13:05, gn...@lists.grepular.com wrote: On 01/02/12 20:45, Robert J. Hansen wrote: On the issue of signing: I do sign my messages, and have uploaded my public keys to key servers, so they are available to check that no one has changed my message. Except that it doesn't.

Re: On message signing and Enigmail...

2012-02-01 Thread Jerry
On Wed, 01 Feb 2012 15:45:05 -0500 Robert J. Hansen articulated: Except that it doesn't. What's to prevent me from creating a certificate with your name and email address and making posts in your name, with a signature from a certificate that claims to be yours? Nothing -- and that

Re: On message signing and Enigmail...

2012-02-01 Thread gnupg
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 01/02/12 21:12, Doug Barton wrote: Nothing -- and that signature is every bit as credible as the one that's from your own certificate. You might say, but that certificate's a fraud, my certificate's real!, but the Christopher Walters

Re: On message signing and Enigmail...

2012-02-01 Thread Christopher J. Walters
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On 2/1/2012 03:45 PM, Robert J. Hansen wrote: Except that it doesn't. What's to prevent me from creating a certificate with your name and email address and making posts in your name, with a signature from a certificate that claims to be yours?

Re: On message signing and Enigmail...

2012-02-01 Thread Robert J. Hansen
On 2/1/12 4:29 PM, Christopher J. Walters wrote: However, I disagree with your statement that there is no way to check: one can check the headers of each message to see from where they originated. Easily forged, and machines are too easy to compromise. This idea that an IP address is clear

Re: On message signing and Enigmail...

2012-02-01 Thread Christopher J. Walters
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On 2/1/2012 04:53 PM, Robert J. Hansen wrote: Easily forged, and machines are too easy to compromise. This idea that an IP address is clear and convincing evidence of origin is absolute bonkers. An IP address is evidence of *routing*. Must you

Re: On message signing and Enigmail...

2012-02-01 Thread Jerry
On Wed, 01 Feb 2012 16:53:48 -0500 Robert J. Hansen articulated: Maybe I have a darker view of human nature than you do, that's certainly possible, but I think it's a critical mistake to apply rational-actor theory to criminals. (It's just as critical of a mistake to apply rational-actor