Re: [swinog] Providers supporting TLS (for SMTP, POP, IMAP, ...)?

2006-09-17 Diskussionsfäden Matthias Leisi
Daniel Lorch wrote: Are you sure? Isn't that exactly the point of asymmetric cryptography? The way I see it, TLS and SSL work like this (analogous to PGP): You're almost right. 1. The client connects to the server and obtains the server's public key. The public key is a mathematical

Re: [swinog] Providers supporting TLS (for SMTP, POP, IMAP, ...)?

2006-09-17 Diskussionsfäden Michael Naef
Hi Daniel On 9/17/06, Daniel Lorch [EMAIL PROTECTED] wrote: [..] Are you sure? Isn't that exactly the point of asymmetric cryptography? The way I see it, TLS and SSL work like this (analogous to PGP): [1.2.3.] Almost. The asymetric encryption is only used to negotiate a symetric session key

Re: [swinog] Providers supporting TLS (for SMTP, POP, IMAP, ...)?

2006-09-17 Diskussionsfäden Martin Ebnoether
On the Sun, Sep 17, 2006 at 11:33:22AM +0200, Michael Naef blubbered: Hi Daniel On 9/17/06, Daniel Lorch [EMAIL PROTECTED] wrote: [..] Are you sure? Isn't that exactly the point of asymmetric cryptography? The way I see it, TLS and SSL work like this (analogous to PGP): [1.2.3.]

Re: [swinog] Providers supporting TLS (for SMTP, POP, IMAP, ...)?

2006-09-17 Diskussionsfäden Daniel Lorch
Hi SMTP/TLS does not encrypt individual messages - as it's name implies, it works on the *transport* layer. And there, the public key exchange is used to agree on a symmetric session key. PGP works the same way. The data is encrypted using a random symmetric key, then this symmetric key is