[tor-commits] [torspec/master] prop220: Add a siglen field to RSA cross-certificates
nickm at torproject.org
nickm at torproject.org
Wed Aug 10 18:24:29 UTC 2016
commit 7ad026a2d6cec0e8ae7f9b663dcc218f684c52fd
Author: Nick Mathewson <nickm at torproject.org>
Date: Wed Aug 10 14:23:46 2016 -0400
prop220: Add a siglen field to RSA cross-certificates
We need this because RSA signatures aren't fixed-length.
Closes part of #19020
---
proposals/220-ecc-id-keys.txt | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/proposals/220-ecc-id-keys.txt b/proposals/220-ecc-id-keys.txt
index c41aa23..7a21f20 100644
--- a/proposals/220-ecc-id-keys.txt
+++ b/proposals/220-ecc-id-keys.txt
@@ -462,7 +462,8 @@ Status: Accepted
with RSA key) contains the following data:
ED25519_KEY [32 bytes]
EXPIRATION_DATE [4 bytes]
- SIGNATURE [128 bytes]
+ SIGLEN [1 byte]
+ SIGNATURE [SIGLEN bytes]
Here, the Ed25519 identity key is signed with router's RSA
identity key, to indicate that authenticating with a key
certified by the Ed25519 key counts as certifying with RSA
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