-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Sudev Barar writes: > How can I show / prove that the copy of email shown by some one is not > tampered with when compared to original email?
> Scenario - A sent an email to a B and D. B has tampered with the text > of email and forwarded to C. C comes to D with a print copy of email > from B. How can D show C that the original email by A and forwarded > email by C are modified. D has shown C the original from A but C is > not convinced and is casting aspersion on A and D of showing tampered > emails. I don't think it is possible unless, domainkeys or something similar authentication mechanism is in use && B has forwarded complete mail (including all headers) to C, then you can compare the DomainKeys headers (or other mechanism's stuff) in both the mails. > In similar scenario how does pgp signed mail proves the case except > show genuineness of senders signatures? If message is tampered with, the signature verfication process will fail. HTH - -- ·-- ·- ···· ·--- ·- ···- ·- ·--·-· --· -- ·- ·· ·-·· ·-·-·- -·-· --- -- () ascii ribbon campaign - against HTML e-mail /\ www.asciiribbon.org - against proprietary attachments -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (GNU/Linux) iEYEARECAAYFAkjHkNYACgkQHy+EEHYuXnQvLgCeOHlTKeSWmbCkLsC5WQ6nc2YT 0a4AnjsxP0At5AHvqTH1fY9g7aFqZXX7 =eRSC -----END PGP SIGNATURE----- _______________________________________________ ilugd mailinglist -- ilugd@lists.linux-delhi.org http://frodo.hserus.net/mailman/listinfo/ilugd Archives at: http://news.gmane.org/gmane.user-groups.linux.delhi http://www.mail-archive.com/ilugd@lists.linux-delhi.org/