multisig key exchange update and refactor

1 files changed, 78 insertions, 0 deletions

diff --git a/src/multisig/multisig_kex_msg_serialization.h b/src/multisig/multisig_kex_msg_serialization.h
new file mode 100644
index 000000000..9c7b993a7
--- /dev/null
+++ b/src/multisig/multisig_kex_msg_serialization.h
@@ -0,0 +1,78 @@
+// Copyright (c) 2021, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#pragma once
+
+#include "crypto/crypto.h"
+#include "serialization/containers.h"
+#include "serialization/crypto.h"
+#include "serialization/serialization.h"
+
+#include <cstdint>
+#include <vector>
+
+
+namespace multisig
+{
+  /// round 1 kex message
+  struct multisig_kex_msg_serializable_round1
+  {
+    // privkey stored in msg
+    crypto::secret_key msg_privkey;
+    // pubkey used to sign this msg
+    crypto::public_key signing_pubkey;
+    // message signature
+    crypto::signature signature;
+
+    BEGIN_SERIALIZE()
+      FIELD(msg_privkey)
+      FIELD(signing_pubkey)
+      FIELD(signature)
+    END_SERIALIZE()
+  };
+
+  /// general kex message (if round > 1)
+  struct multisig_kex_msg_serializable_general
+  {
+    // key exchange round this msg was produced for
+    std::uint32_t kex_round;
+    // pubkeys stored in msg
+    std::vector<crypto::public_key> msg_pubkeys;
+    // pubkey used to sign this msg
+    crypto::public_key signing_pubkey;
+    // message signature
+    crypto::signature signature;
+
+    BEGIN_SERIALIZE()
+      VARINT_FIELD(kex_round)
+      FIELD(msg_pubkeys)
+      FIELD(signing_pubkey)
+      FIELD(signature)
+    END_SERIALIZE()
+  };
+} //namespace multisig