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- DynamoDB integration (remote database, low latency and full managed by AWS) - User authentication using Json Web Tokens and AWS Cognito pools (this is optional and has to be defined (1) in Settings.toml or (2) as environment variable. - Thin client and refactoring in order to abstract for the client the process of keygen. - Additional unit testing Tested with RUST_TEST_THREADS=1 cargo test
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| endpoint = "http://localhost:8000" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| use super::ecdsa::{keygen, sign}; | ||
| use kms::ecdsa::two_party::MasterKey2; | ||
| use multi_party_ecdsa::protocols::two_party_ecdsa::lindell_2017::party_one; | ||
| use reqwest; | ||
|
|
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| pub struct ClientShim { | ||
| pub client: reqwest::Client, | ||
| pub endpoint: String, | ||
| } | ||
|
|
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| impl ClientShim { | ||
| pub fn new(endpoint: String) -> ClientShim { | ||
| let client = reqwest::Client::new(); | ||
| ClientShim { client, endpoint } | ||
| } | ||
| } | ||
|
|
||
| #[derive(Serialize, Deserialize)] | ||
| pub struct PrivateShare { | ||
| pub id: String, | ||
| pub master_key: MasterKey2, | ||
| } | ||
|
|
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| pub fn get_master_key(client_shim: &ClientShim) -> PrivateShare { | ||
| keygen::get_master_key(&client_shim) | ||
| } | ||
|
|
||
| pub fn sign( | ||
| client_shim: &ClientShim, | ||
| message: bitcoin::util::hash::Sha256dHash, | ||
| mk: &MasterKey2, | ||
| pos: u32, | ||
| id: &String, | ||
| ) -> party_one::Signature { | ||
| sign::sign(&client_shim, message, mk, pos, id) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| use bitcoin; | ||
| use curv::BigInt; | ||
| use kms::ecdsa::two_party::party2; | ||
| use kms::ecdsa::two_party::MasterKey2; | ||
| use multi_party_ecdsa::protocols::two_party_ecdsa::lindell_2017::party_one; | ||
| use multi_party_ecdsa::protocols::two_party_ecdsa::lindell_2017::party_two; | ||
|
|
||
| use super::super::api; | ||
| use super::super::utilities::requests; | ||
| use curv::arithmetic::traits::Converter; | ||
|
|
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| #[derive(Serialize, Deserialize)] | ||
| pub struct SignSecondMsgRequest { | ||
| pub message: BigInt, | ||
| pub party_two_sign_message: party2::SignMessage, | ||
| pub pos_child_key: u32, | ||
| } | ||
|
|
||
| pub fn sign( | ||
| client_shim: &api::ClientShim, | ||
| message: bitcoin::util::hash::Sha256dHash, | ||
| mk: &MasterKey2, | ||
| pos: u32, | ||
| id: &String, | ||
| ) -> party_one::Signature { | ||
| let (eph_key_gen_first_message_party_two, eph_comm_witness, eph_ec_key_pair_party2) = | ||
| MasterKey2::sign_first_message(); | ||
|
|
||
| let request: party_two::EphKeyGenFirstMsg = eph_key_gen_first_message_party_two; | ||
| let res_body = | ||
| requests::postb(client_shim, &format!("/ecdsa/sign/{}/first", id), &request).unwrap(); | ||
|
|
||
| let sign_party_one_first_message: party_one::EphKeyGenFirstMsg = | ||
| serde_json::from_str(&res_body).unwrap(); | ||
|
|
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| let party_two_sign_message = mk.sign_second_message( | ||
| &eph_ec_key_pair_party2, | ||
| eph_comm_witness.clone(), | ||
| &sign_party_one_first_message, | ||
| &BigInt::from_hex(&message.le_hex_string()), | ||
| ); | ||
|
|
||
| let signature: party_one::Signature = | ||
| get_signature(client_shim, message, party_two_sign_message, pos, &id); | ||
|
|
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| signature | ||
| } | ||
|
|
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| fn get_signature( | ||
| client_shim: &api::ClientShim, | ||
| message: bitcoin::util::hash::Sha256dHash, | ||
| party_two_sign_message: party2::SignMessage, | ||
| pos_child_key: u32, | ||
| id: &String, | ||
| ) -> party_one::Signature { | ||
| let request: SignSecondMsgRequest = SignSecondMsgRequest { | ||
| message: BigInt::from_hex(&message.le_hex_string()), | ||
| party_two_sign_message, | ||
| pos_child_key, | ||
| }; | ||
|
|
||
| let res_body = | ||
| requests::postb(client_shim, &format!("/ecdsa/sign/{}/second", id), &request).unwrap(); | ||
|
|
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| let signature: party_one::Signature = serde_json::from_str(&res_body).unwrap(); | ||
| signature | ||
| } |
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