[tor-commits] [torspec/master] Note TLS link key size and digest change in prop220

[nickm@xxxxxxxxxxxxxx]

commit b2e42644dc39abe6c4960346fd588d8dcd0ab650
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Thu Sep 22 11:12:20 2016 -0400

    Note TLS link key size and digest change in prop220
---
 proposals/220-ecc-id-keys.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/proposals/220-ecc-id-keys.txt b/proposals/220-ecc-id-keys.txt
index 7a21f20..dd063e8 100644
--- a/proposals/220-ecc-id-keys.txt
+++ b/proposals/220-ecc-id-keys.txt
@@ -670,3 +670,11 @@ A.5. Reserved numbers
         6: TLS authentication key certified by Ed25519 signing key
         7: RSA cross-certificate for Ed25519 identity key
 
+
+A.6. Related changes
+
+   As we merge this, proposal, we should also extend link key size to
+   2048 bits, and use SHA256 as the x509 cert algorithm for our link
+   keys. This will improve link security, and deliver better
+   fingerprinting resistence.  See proposal 179 for an older discussion
+   of this issue.

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