tahoe-lafs/trac-2024-07-25
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Issues 1.1k Wiki Activity

s = bitlength(S) 

[Imported from Trac: page NewCaps/WhatCouldGoWrong, version 24]
davidsarah 2009-10-11 03:29:24 +00:00
parent 86d15fa676
commit 977aab1aa9
1 changed files with 1 additions and 1 deletions
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NewCaps/WhatCouldGoWrong.md

@ -17,7 +17,7 @@ This is about What Could Go Wrong with the "Elk Point 2" immutable file caps: <h
|12|undeletion [3]footnote|generate matching (*R*,*T*,*U*) for a deleted file|anyone|any one file|the hash function's and cap format's second-preimage resistance on (*R*,*T*,*U*)|2^*n*+*t*+*u*^|
|13|accidental collision|storage indices (*S1*,*T1*) and (*S2*,*T2*) collide accidentally|n/a|any two files|approximately random distribution of hash function outputs|[4]footnote|
where *k* = bitlength(*K1*), *n* = bitlength(*R*), *t* = bitlength(*T*), *u* = bitlength(*U*), *d* = bitlength(*KD*), *dh* = bitlength(*Dhash*).
where *k* = bitlength(*K1*), *n* = bitlength(*R*), *s* = bitlength(*S*), *t* = bitlength(*T*), *u* = bitlength(*U*), *d* = bitlength(*KD*), *dh* = bitlength(*Dhash*).
1. *shape-shifter immutable file*: creator creates more than one file matching the immutable file readcap