Retrospective censorship

[Dave Bird]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

In article <200105090852.JAA09054@clw.cs.man.ac.uk>, Charles Lindsey
<chl@clw.cs.man.ac.uk> writes
>       On Wed, 9 May 2001 01:19:52 +0100
>       Dave Bird <dave@xemu.demon.co.uk> said...
>
>>  Singing should include, within the text signed, the date of signing,
>>  Multiple persons should have visible, or private, indeces (which they
>>  would sign and date) of documents which record their signature and date 
>>  of signing.  By such mechanisms determined schemes to resist scum 
>>  rewriting history can be made to be effective.
>
>I think you have just reinvented timestamps :-( .

 Well, yes, one useful service might be a server which supplied.....

 BEGIN( Dave@xemu.dem...:0xFFDE1274  requested TimeIt2001Mar:0xCC769144
 whose private key will be deleted in 20010401 to certify the enclosed(
    Mary had a little lamb 
      his name was twiddd-l-y-ollocks
     he jumped across a ten foot wall 
       and landed on his...kneecaps
 )endenc was signed in2001Mar)SIGNED:FEDC8391 AAAA432B 1D3E4888 CC2C3111


 128bits in some system should be sufficient as an encrypted hash of it,
 and of course it would only oblige you if you could sign 
 the request with key  Dave@xemu.dem...:0xFFDE1274




- -- 
   ^-^-^-@@-^-;-^   http://www.xemu.demon.co.uk/
        (..)__u     news:alt.smoking.mooses

       happy as a clam at high tide -. <_" .-._.-.


-----BEGIN PGP SIGNATURE-----
Version: PGPsdk version 1.7.1

iQA/AwUBOvm/qX8v/Y5zkfRPEQIRggCfRGrGyxV4nZBVKst+lyLo3tffDL4An0vw
oiXAAfV7jziYkAKQlLBY+k6X
=KSOK
-----END PGP SIGNATURE-----