2P-ECDSA based on class groups

Author: omershlo

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "multi-party-ecdsa"
-version = "0.1.0"
+version = "0.2.0"
 authors = [
     "Gary <[email protected]>",
     "Omer <[email protected]>"
@@ -23,18 +23,20 @@ categories = ["cryptography"]
 [lib]
 crate-type = ["lib"]
 
+[features]
+bin = ["rocket", "rocket_contrib"]
+
 [dependencies]
 paillier = { git = "https://github.com/KZen-networks/rust-paillier", tag = "v0.3.0" }
 zk-paillier = { git = "https://github.com/KZen-networks/zk-paillier", tag = "v0.2.0" }
 
+
 hex = "0.3.2"
 subtle = {version = "2", features = ["nightly"]}
 serde = "1.0"
 serde_derive = "1.0"
 serde_json = "1.0"
 reqwest = {version = "0.9.5", default-features = false}
-rocket = { version = "0.4.2", default-features = false }
-rocket_contrib = { version = "0.4.2", default-features = false, features = ["json"] }
 uuid = { version = "0.7", features = ["v4"] }
 rust-crypto = "^0.2"
 
@@ -47,6 +49,21 @@ features =  ["ec_secp256k1"]
 git = "https://github.com/KZen-networks/centipede"
 tag = "v0.2.0"
 
+[dependencies.class_group]
+git = "https://github.com/KZen-networks/class-groups"
+tag = "v0.1.3"
+
+[dependencies.rocket]
+version = "0.4.2"
+default-features = false
+optional = true
+
+[dependencies.rocket_contrib]
+version = "0.4.2"
+default-features = false
+features = ["json"]
+optional = true
+
 [patch.crates-io]
 rust-gmp = { version = "0.5.0", features = ["serde_support"], git = "https://github.com/KZen-networks/rust-gmp" }
 

src/bin/sm_manager.rs

@@ -1,25 +1,33 @@
 #![feature(proc_macro_hygiene, decl_macro)]
 
 #[macro_use]
+#[cfg(feature = "bin")]
 extern crate rocket;
+#[cfg(feature = "bin")]
+extern crate rocket_contrib;
 
 extern crate reqwest;
-extern crate rocket_contrib;
 extern crate uuid;
 
 #[macro_use]
 extern crate serde_derive;
 extern crate serde;
 extern crate serde_json;
 
+#[cfg(feature = "bin")]
 use rocket::State;
+#[cfg(feature = "bin")]
 use rocket_contrib::json::Json;
+#[cfg(feature = "bin")]
 use std::collections::HashMap;
+#[cfg(feature = "bin")]
 use std::fs;
+#[cfg(feature = "bin")]
 use std::str;
+#[cfg(feature = "bin")]
 use std::sync::RwLock;
+#[cfg(feature = "bin")]
 use uuid::Uuid;
-
 #[derive(Hash, PartialEq, Eq, Clone, Debug, Serialize, Deserialize)]
 pub struct TupleKey {
     pub first: String,
@@ -49,6 +57,7 @@ pub struct Params {
     pub parties: String,
     pub threshold: String,
 }
+#[cfg(feature = "bin")]
 #[post("/get", format = "json", data = "<request>")]
 fn get(
     db_mtx: State<RwLock<HashMap<TupleKey, String>>>,
@@ -67,7 +76,7 @@ fn get(
         None => Json(Err(())),
     }
 }
-
+#[cfg(feature = "bin")]
 #[post("/set", format = "json", data = "<request>")]
 fn set(
     db_mtx: State<RwLock<HashMap<TupleKey, String>>>,
@@ -79,6 +88,7 @@ fn set(
     Json(Ok(()))
 }
 
+#[cfg(feature = "bin")]
 #[post("/signupkeygen", format = "json")]
 fn signup_keygen(
     db_mtx: State<RwLock<HashMap<TupleKey, String>>>,
@@ -118,6 +128,7 @@ fn signup_keygen(
     return Json(Ok(party_signup));
 }
 
+#[cfg(feature = "bin")]
 #[post("/signupsign", format = "json")]
 fn signup_sign(db_mtx: State<RwLock<HashMap<TupleKey, String>>>) -> Json<Result<PartySignup, ()>> {
     //read parameters:
@@ -157,8 +168,8 @@ fn signup_sign(db_mtx: State<RwLock<HashMap<TupleKey, String>>>) -> Json<Result<
 }
 
 //refcell, arc
-
-fn main() {
+#[cfg(feature = "bin")]
+fn run_server() {
     // let mut my_config = Config::development();
     // my_config.set_port(18001);
     let db: HashMap<TupleKey, String> = HashMap::new();
@@ -207,3 +218,9 @@ fn main() {
         .manage(db_mtx)
         .launch();
 }
+
+fn main() {
+    //refcell, arc
+    #[cfg(feature = "bin")]
+    run_server()
+}

src/lib.rs

@@ -21,6 +21,7 @@ extern crate serde_json;
 extern crate subtle;
 
 extern crate centipede;
+extern crate class_group;
 extern crate curv;
 extern crate paillier;
 extern crate zk_paillier;

src/protocols/two_party_ecdsa/cclst_2019/mod.rs

@@ -0,0 +1,22 @@
+/*
+    Multi-party ECDSA
+
+    Copyright 2018 by Kzen Networks
+
+    This file is part of Multi-party ECDSA library
+    (https://github.com/KZen-networks/multi-party-ecdsa)
+
+    Multi-party ECDSA is free software: you can redistribute
+    it and/or modify it under the terms of the GNU General Public
+    License as published by the Free Software Foundation, either
+    version 3 of the License, or (at your option) any later version.
+
+    @license GPL-3.0+ <https://github.com/KZen-networks/multi-party-ecdsa/blob/master/LICENSE>
+*/
+
+const SECURITY_BITS: usize = 256;
+
+pub mod party_one;
+pub mod party_two;
+
+mod test;