[tor-commits] [torspec/master] Clarify ed25519 signatures on routerdescs.
nickm at torproject.org
nickm at torproject.org
Tue Oct 13 18:54:59 UTC 2020
commit 01122c5bd7d2f0fbb45991dcdddede30a358130f
Author: Nick Mathewson <nickm at torproject.org>
Date: Thu Sep 17 10:48:45 2020 -0400
Clarify ed25519 signatures on routerdescs.
---
dir-spec.txt | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/dir-spec.txt b/dir-spec.txt
index 2314974..74493ad 100644
--- a/dir-spec.txt
+++ b/dir-spec.txt
@@ -627,12 +627,13 @@
It MUST be the next-to-last element in the descriptor, appearing
immediately before the RSA signature. It MUST contain an Ed25519
- signature of a SHA256 digest of the entire document, from the
- first character up to and including the first space after the
- "router-sig-ed25519" string, prefixed with the string "Tor
- router descriptor signature v1". Its format is:
+ signature of a SHA256 digest of the entire document. This digest is
+ taken from the first character up to and including the first space
+ after the "router-sig-ed25519" string. Before computing the digest,
+ the string "Tor router descriptor signature v1" is prefixed to the
+ document.
- The signature is encoded in Base64 with terminating =s removed.
+ The signature is encoded in Base64, with terminating =s removed.
The signing key in the identity-ed25519 certificate MUST
be the one used to sign the document.
More information about the tor-commits
mailing list