From e5a8a84d4f24d5e6a0581b92052a6ab093e2147f Mon Sep 17 00:00:00 2001
From: ClashTheBunny <>
Date: Thu, 14 Mar 2013 15:54:41 +0000
Subject: [PATCH] Add info about changing your convergence secret.

[Imported from Trac: page Convergence Secret, version 2]
---
 Convergence Secret.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Convergence Secret.md b/Convergence Secret.md
index 65a9540..fc1b6af 100644
--- a/Convergence Secret.md	
+++ b/Convergence Secret.md	
@@ -6,6 +6,10 @@ A file's capability is derived from two pieces of information on upload: The con
 
 The advantages of deduplication should be clear, but keep in mind that the convergence secret was created to combat snooping.  For example, with a convergence secret and a file, I can generate a file capability that would allow me to determine that you have uploaded a file to the grid.  This isn't a big deal for things that are personally produced, but is a big deal for commonly known things that you want to keep secret that you know about.  Examples would be a Bible in China or The Anarchist's Cookbook at the High School that I went to.  Here's the details of the origin of the convergence secret: [Convergence Secret Justification](https://tahoe-lafs.org/hacktahoelafs/drew_perttula.html)
 
+## What If I Change My Convergence Secret?
+
+All your old file capabilities will still work, but the new data that you upload will not be deduplicated with the old data.  If you upload all of the same things to the grid, you will end up using twice the space until garbage collection kicks in, if it's enabled.  As one user put it, it would move the node where you change the convergence secret into a new deduplication domain.
+
 ## How To Use It
 
 To enable deduplication between different clients, **securely** copy