From 6660768d85f2f8eac2ec9efa2613884e159d6576 Mon Sep 17 00:00:00 2001 From: Andrew Morgan Date: Fri, 26 Jul 2019 12:04:17 +0100 Subject: [PATCH] Don't repeat fast hash bit --- proposals/2134-identity-hash-lookup.md | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/proposals/2134-identity-hash-lookup.md b/proposals/2134-identity-hash-lookup.md index de11221a..7b3edbc5 100644 --- a/proposals/2134-identity-hash-lookup.md +++ b/proposals/2134-identity-hash-lookup.md @@ -130,10 +130,7 @@ Clients and identity servers MUST support SHA-256 as defined by [RFC 4634](https://tools.ietf.org/html/rfc4634), identified by the value `"sha256"` in the `algorithms` array. SHA-256 was chosen as it is currently used throughout the Matrix spec, as well as its properties of being quick to -hash. While this reduces the resources necessary to generate a rainbow table -for attackers, a fast hash is necessary if particularly slow mobile clients -are going to be hashing thousands of contact details. Other algorithms are -negotiated by the client and server at their discretion. +hash. There are certain situations when an identity server cannot be expected to compare hashed 3PID values; for example, when a server is connected to a