From 1a83df2084f225bf85f9931a75b786b67af562d7 Mon Sep 17 00:00:00 2001 From: ccx <> Date: Tue, 30 Jan 2024 19:43:31 +0000 Subject: [PATCH] Try to explain things [Imported from Trac: page NewCaps/Rainhill, version 9] --- NewCaps/Rainhill.md | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/NewCaps/Rainhill.md b/NewCaps/Rainhill.md index 1ff6925..a3ad590 100644 --- a/NewCaps/Rainhill.md +++ b/NewCaps/Rainhill.md @@ -1,5 +1,15 @@ This is about What Could Go Wrong with the "Rainhill 3" immutable file caps: +Wayback Machine link: * + +Explanation by ccx: + +> What I assume this to be is an encoding scheme for immutable directories that allows deriving deep-verify capability so that whole directory tree below can be verified recursively. +> +> This is done by encoding separately the readcaps of items contained in the directory (Plain_R) and verifycaps of the same items (Plain_V). +> +> By applying this scheme to the plaintexts together with convergence secret (CS) and encoding parameters you will get two encryption keys EncK_R and EncK_V for each part respectively. + ( or [download the attached SVG](../raw/attachments/NewCaps/Rainhill/immutable-rainhill-3.svg) if your browser does not correctly handle SVG.) ![](attachments/NewCaps/Rainhill/immutable-rainhill-3.svg)