arnaucube/blindsig-client-server-example
1
0
Fork 0
mirror of https://github.com/arnaucube/blindsig-client-server-example.git synced 2026-02-06 18:56:40 +01:00
Code Issues Packages Projects Releases Wiki Activity

Add example Server & Client

Browse Source
This commit is contained in:
arnaucube
2021-01-17 19:49:54 +01:00
commit d07bfe063c
10 changed files with 1095 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

BIN
client/blindsecp256k1.wasm Executable file
View File

Binary file not shown.

36
client/index.html Normal file
View File

@@ -0,0 +1,36 @@
<html>
<head>
<meta charset="utf-8">
<title>blindsig-client-server-example</title>
</head>
<body>
<script src="wasm_exec.js"></script>
<script>
const go = new Go();
WebAssembly.instantiateStreaming(fetch('blindsecp256k1.wasm'), go.importObject).then(function(dat) {
go.run(dat.instance);
});
</script>
<h3>blindsig-client-server-example</h3>
<p>This is an example of usage of <a href="https://github.com/arnaucube/go-blindsecp256k1" target="_blank">https://github.com/arnaucube/go-blindsecp256k1</a></p>
<br>
Message (only numbers): <input id="msg" value="1234"></input>
<button onClick="newRequest();">newRequest()</button>
<p id="signerRx"></p>
<p id="signerRy"></p>
<p id="signerQx"></p>
<p id="signerQy"></p>
<button onClick="askBlindSign();">askBlindSign()</button>
<p id="sBlind"></p>
<p id="sigS"></p>
<p id="sigFx"></p>
<p id="sigFy"></p>
<button onClick="verify();">verify()</button>
<p id="verified"></p>
<script src="https://cdn.jsdelivr.net/npm/axios/dist/axios.min.js"></script>
<script src="index.js"></script>
</body>
</html>

68
client/index.js Normal file
View File

@@ -0,0 +1,68 @@
// signer public parameters
let rx, ry, qx, qy;
// user parameters
let m, mBlinded, uA, uB, uFx, uFy, sigS, sigFx, sigFy;
function newRequest() {
m = document.getElementById("msg").value;
axios.get('/request')
.then(function (res) {
console.log("/request res:", res.data);
rx = res.data.signerR.x;
ry = res.data.signerR.y;
qx = res.data.signerQ.x;
qy = res.data.signerQ.y;
document.getElementById("signerRx").innerHTML = "signerR.x: " + rx;
document.getElementById("signerRy").innerHTML = "signerR.y: " + ry;
document.getElementById("signerQx").innerHTML = "signerQ.x: " + qx;
document.getElementById("signerQy").innerHTML = "signerQ.y: " + qy;
console.log("blind msg");
let blindRes = wasmBlind(m, rx, ry);
console.log("blindRes:", blindRes);
mBlinded = blindRes.mBlinded;
uA = blindRes.uA;
uB = blindRes.uB;
uFx = blindRes.uFx;
uFy = blindRes.uFy;
})
.catch(function (error) {
console.error(error);
alert(error);
});
}
function askBlindSign() {
console.log("askBlindSign");
let data = {
m: mBlinded,
r: {x:rx, y:ry}
};
axios.post('/blindsign', data)
.then(function (res) {
console.log("/blindSign res:", res.data);
document.getElementById("sBlind").innerHTML = "sBlind: " + res.data.sBlind;
let unblindRes = wasmUnblind(res.data.sBlind, m, uA, uB, uFx, uFy);
console.log("unblind", unblindRes);
sigS = unblindRes.s;
sigFx = unblindRes.fx;
sigFy = unblindRes.fy;
document.getElementById("sigS").innerHTML = "s: " + sigS;
document.getElementById("sigFx").innerHTML = "f.x: " + sigFx;
document.getElementById("sigFy").innerHTML = "f.y: " + sigFy;
})
.catch(function (error) {
console.error(error);
alert(error);
});
}
function verify() {
let verified = wasmVerify(m, sigS, sigFx, sigFy, qx, qy);
console.log("verify", verified);
document.getElementById("verified").innerHTML = "signature verification, verified: " + verified;
}