Changes between Version 26 and Version 27 of NewCaps/WhatCouldGoWrong

Timestamp:

2009-10-11T03:41:56Z (15 years ago)

Author:

davidsarah

Comment:

KD in #8 need not be the original KD

NewCaps/WhatCouldGoWrong

@@ -9 +9 @@
 ||6||unauthorized read||figure out the input to the hash function that generates ''S''||anyone||any one file||the hash function's onewayness for (''R'',''T'') -> ''S''||brute force on ''R'' is !#2||
 ||7||unauthorized deletion||brute force KD||anyone||any one file||secrecy of ''KD''||2^''d''^||
-||8||unauthorized deletion||figure out the destroy key KD from Dhash||anyone||any one file||the hash function's preimage resistance on ''Dhash''||2^min(''d'',''dh'')^||
+||8||unauthorized deletion||figure out a working destroy key KD from Dhash||anyone||any one file||the hash function's preimage resistance on ''Dhash''||2^min(''d'',''dh'')^||
 ||9||denial of service||prevent access to servers holding sufficient shares (by controlling some of them, or by attacking them or the network)||anyone||any file||not prevented by crypto||n/a||
 ||10||cause invalid share to verify||generate (''K1enc'',''Dhash'',''V'') that hash to someone else's (''T'',''U''), and copy their ''S''||anyone||any one file||the hash function's second-preimage resistance on (''T'',''U'')||2^''t''+''u''^||