From b42cb376c32ef4182d3e7f405f50dde2641e85b0 Mon Sep 17 00:00:00 2001
From: Dennis Brentjes <d.brentjes@gmail.com>
Date: Wed, 14 Dec 2016 15:51:43 +0100
Subject: Reworks the protocol to be tag attack resistant.

---
 libcmix-protobuf/cmix.proto | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

(limited to 'libcmix-protobuf')

diff --git a/libcmix-protobuf/cmix.proto b/libcmix-protobuf/cmix.proto
index 2af20bc..07e8721 100644
--- a/libcmix-protobuf/cmix.proto
+++ b/libcmix-protobuf/cmix.proto
@@ -50,6 +50,14 @@ message PreMix {
 message PrePost {
 	repeated bytes r_EPiRS = 1;
 	repeated bytes m_EPiRS = 2;
+	repeated bytes decryption_commitments = 3;
+	bytes ciphertext_commitment = 4;
+}
+
+message Commitments {
+	repeated bytes m_EPiRS = 1;
+	repeated bytes decryption_commitments = 2;
+	bytes ciphertext_commitment = 3;
 }
 
 message RealPre {
@@ -61,6 +69,11 @@ message RealMix {
 	repeated bytes m = 2;
 }
 
+message RealPost {
+	bytes PiMRS_commitment = 1;
+	repeated bytes m_epirs = 2;
+}
+
 message Payload {
 	bytes payload = 1;
 }
@@ -86,9 +99,11 @@ message CMixMessage {
 		PrePre prepre = 9;
 		PreMix premix = 10;
 		PrePost prepost = 11;
-		RealPre realpre = 12;
-		RealMix realmix = 13;
-		Payload payload = 14;
-		Performance performance = 15;
+		Commitments commitments = 12;
+		RealPre realpre = 13;
+		RealMix realmix = 14;
+		RealPost realpost = 15;
+		Payload payload = 16;
+		Performance performance = 17;
 	}
 }
-- 
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