Signed ECIES Payloads

.vscode/settings.json

@@ -7,4 +7,4 @@
     },
     // protolint complains if lines are longer than length 80, display a ruler
     "editor.rulers": [80]
-}
+}

proto/message_contents/ecies.proto

@@ -0,0 +1,15 @@
+// ECIES is a wrapper for ECIES payloads
+syntax = "proto3";
+
+package xmtp.message_contents;
+
+option go_package = "github.com/xmtp/proto/v3/go/message_contents";
+option java_package = "org.xmtp.proto.message.contents";
+
+// EciesMessage is a wrapper for ECIES encrypted payloads
+message EciesMessage {
+    oneof version {
+        // Expected to be an ECIES encrypted SignedPayload
+        bytes v1 = 1;
+    }
+}

proto/message_contents/signed_payload.proto

@@ -0,0 +1,15 @@
+// Signature is a generic structure for signed byte arrays
+syntax = "proto3";
+
+package xmtp.message_contents;
+
+import "message_contents/signature.proto";
+
+option go_package = "github.com/xmtp/proto/v3/go/message_contents";
+option java_package = "org.xmtp.proto.message.contents";
+
+// SignedPayload is a wrapper for a signature and a payload
+message SignedPayload {
+    bytes payload = 1;
+    Signature signature = 2;
+}