From 69b35a67f6f6b43a60dcf0339a01e61ab04d27d7 Mon Sep 17 00:00:00 2001
From: "Richard T. Carback III" <rick.carback@gmail.com>
Date: Mon, 7 Mar 2022 18:44:43 +0000
Subject: [PATCH] Trial decrypt for old versions of the request packet
---
auth/callback.go | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/auth/callback.go b/auth/callback.go
index 2ae9446f1..34f8eb064 100644
--- a/auth/callback.go
+++ b/auth/callback.go
@@ -107,10 +107,19 @@ func (m *Manager) handleRequest(cmixMsg format.Message,
jww.TRACE.Printf("handleRequest ECRPAYLOAD: %v", baseFmt.GetEcrPayload())
jww.TRACE.Printf("handleRequest MAC: %v", cmixMsg.GetMac())
+ ecrPayload := baseFmt.GetEcrPayload()
success, payload := cAuth.Decrypt(myHistoricalPrivKey,
- partnerPubKey, baseFmt.GetEcrPayload(),
+ partnerPubKey, ecrPayload,
cmixMsg.GetMac(), grp)
+ if !success {
+ jww.WARN.Printf("Attempting to decrypt old request packet...")
+ ecrPayload = append(ecrPayload, baseFmt.GetVersion())
+ success, payload = cAuth.Decrypt(myHistoricalPrivKey,
+ partnerPubKey, ecrPayload,
+ cmixMsg.GetMac(), grp)
+ }
+
if !success {
jww.WARN.Printf("Received auth request failed " +
"its mac check")
--
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