Wes Groleau wrote: > On 05-30-2011 06:40, Ian Goddard wrote: >> Richard Smith wrote: >>> They've signed it with their private key rather than the original >>> source's private key. This is easily detectable. >> >> Not really. You would end up with two versions of the record, each >> correctly signed with a private key. You only know which is the original >> version if you know the original source. > > A checksum encrypted by a private key ..... > It's still an "I'm Spartacus" situation. -- Ian The Hotmail address is my spam-bin. Real mail address is iang at austonley org uk