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improve example html. Add protocol field to proof output #5

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improve example html. Add protocol field to proof output #5

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24 changes: 14 additions & 10 deletions README.md
View file
Original file line number Diff line number Diff line change
@@ -47,7 +47,7 @@ be used directly with this library.
node ../tools/buildpkey.js -i proving_key.json -o proving_key.bin
```

The result is a JSON object with pi_a, pi_b and pi_c points.
The result is a JSON object with pi_a, pi_b, pi_c points and protocol groth field.

You can use the stringified version of this JSON as a proof.json in [snarkjs](https://github.com/iden3/snarkjs)

@@ -62,20 +62,24 @@ Here is a simple example of a web page that loads a key and a witness and genera
<script>

var witness;
var proving_key;
var provingKey;

function onLoad() {

document.getElementById("calcProof").disabled = true;
fetch("proving_key.bin").then( (response) => {
return response.arrayBuffer();
}).then( (b) => {
provingKey = b;
});

fetch("witness.bin").then( (response) => {
return response.arrayBuffer();
}).then( (b) => {
witness = b;
console.log("proving key loaded");
}).then( () =>{
fetch("witness.bin").then( (response) => {
return response.arrayBuffer();
}).then( (b) => {
witness = b;
}).then ( () => {
console.log("witness loaded");
document.getElementById("calcProof").disabled = false;
});
});
}

@@ -96,7 +100,7 @@ function calcProof() {
<body onLoad="onLoad()">
<h1>iden3</h1>
<h2>Zero knowledge proof generator</h2>
<button onClick="calcProof()">Test</button>
<button id="calcProof" onClick="calcProof()">Test</button>
<div id="time"></div>
<pre id="proof"></pre>

9 changes: 6 additions & 3 deletions build/websnark.js
View file
Original file line number Diff line number Diff line change
@@ -1572,6 +1572,10 @@ function thread(self) {
while (i32[0] & 3) i32[0]++; // Return always aligned pointers
const res = i32[0];
i32[0] += length;
while (i32[0] > memory.buffer.byteLength) {
memory.grow(100);
}
i32 = new Uint32Array(memory.buffer);
return res;
}

@@ -2099,6 +2103,7 @@ class Groth16 {
pi_a: this.bin2g1(this.getBin(pi_a, 96)),
pi_b: this.bin2g2(this.getBin(pi_b, 192)),
pi_c: this.bin2g1(this.getBin(pi_c, 96)),
protocol: 'groth',
};

}
@@ -3378,7 +3383,6 @@ function fromByteArray (uint8) {
}

},{}],10:[function(require,module,exports){
(function (Buffer){
/*!
* The buffer module from node.js, for the browser.
*
@@ -5157,8 +5161,7 @@ function numberIsNaN (obj) {
return obj !== obj // eslint-disable-line no-self-compare
}

}).call(this,require("buffer").Buffer)
},{"base64-js":9,"buffer":10,"ieee754":11}],11:[function(require,module,exports){
},{"base64-js":9,"ieee754":11}],11:[function(require,module,exports){
exports.read = function (buffer, offset, isLE, mLen, nBytes) {
var e, m
var eLen = (nBytes * 8) - mLen - 1
20 changes: 12 additions & 8 deletions example/index.html
View file
Original file line number Diff line number Diff line change
@@ -8,17 +8,21 @@
var provingKey;

function onLoad() {

document.getElementById("calcProof").disabled = true;
fetch("proving_key.bin").then( (response) => {
return response.arrayBuffer();
}).then( (b) => {
provingKey = b;
});

fetch("witness.bin").then( (response) => {
return response.arrayBuffer();
}).then( (b) => {
witness = b;
console.log("proving key loaded");
}).then( () =>{
fetch("witness.bin").then( (response) => {
return response.arrayBuffer();
}).then( (b) => {
witness = b;
}).then ( () => {
console.log("witness loaded");
document.getElementById("calcProof").disabled = false;
});
});
}

@@ -75,7 +79,7 @@
<body onLoad="onLoad()">
<h1>iden3</h1>
<h2>Zero knowledge proof generator</h2>
<button onClick="calcProof()">Test</button>
<button id="calcProof" onClick="calcProof()">Test</button>
<div id="time"></div>
<pre id="proof"></pre>

9 changes: 6 additions & 3 deletions example/websnark.js
View file
Original file line number Diff line number Diff line change
@@ -1572,6 +1572,10 @@ function thread(self) {
while (i32[0] & 3) i32[0]++; // Return always aligned pointers
const res = i32[0];
i32[0] += length;
while (i32[0] > memory.buffer.byteLength) {
memory.grow(100);
}
i32 = new Uint32Array(memory.buffer);
return res;
}

@@ -2099,6 +2103,7 @@ class Groth16 {
pi_a: this.bin2g1(this.getBin(pi_a, 96)),
pi_b: this.bin2g2(this.getBin(pi_b, 192)),
pi_c: this.bin2g1(this.getBin(pi_c, 96)),
protocol: 'groth',
};

}
@@ -3378,7 +3383,6 @@ function fromByteArray (uint8) {
}

},{}],10:[function(require,module,exports){
(function (Buffer){
/*!
* The buffer module from node.js, for the browser.
*
@@ -5157,8 +5161,7 @@ function numberIsNaN (obj) {
return obj !== obj // eslint-disable-line no-self-compare
}

}).call(this,require("buffer").Buffer)
},{"base64-js":9,"buffer":10,"ieee754":11}],11:[function(require,module,exports){
},{"base64-js":9,"ieee754":11}],11:[function(require,module,exports){
exports.read = function (buffer, offset, isLE, mLen, nBytes) {
var e, m
var eLen = (nBytes * 8) - mLen - 1
1 change: 1 addition & 0 deletions src/groth16.js
View file
Original file line number Diff line number Diff line change
@@ -599,6 +599,7 @@ class Groth16 {
pi_a: this.bin2g1(this.getBin(pi_a, 96)),
pi_b: this.bin2g2(this.getBin(pi_b, 192)),
pi_c: this.bin2g1(this.getBin(pi_c, 96)),
protocol: 'groth',
};

}