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Adding witnesscalc + rapidsnark build flows for PoP circuit

Browse Source 
- Copying the whole witnesscalc repo in `app`
- Using git submodule for `nlohmann/json`, might switch later to script that clones the repo if it's simpler
- Currently not supporting download of zkey, so it temporarily has to be built and copied first
- Keeping artifacts of their AuthV2 circuit for reference
This commit is contained in:
0xturboblitz
2024-04-03 11:21:30 -07:00
parent b523b10a90
commit df0ac90af7
44 changed files with 1927897 additions and 207 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
app/App.tsx
View File

@@ -69,33 +69,24 @@ function App(): JSX.Element {
}, []);
useEffect(() => {
init()
// init()
}, []);
async function init() {
await new Promise(resolve => setTimeout(resolve, 2000));
console.log('launching init')
// const res = await NativeModules.Prover.runInitAction()
const res = await NativeModules.Prover.runInitAction()
console.log('init done')
// console.log('init res', res)
console.log('init res', res)
}
const handleStartCameraScan = async () => {
// await NativeModules.Prover.runInitAction();
const startTime = Date.now();
console.log('running mopro prove action');
const response = await NativeModules.Prover.runProveAction({});
console.log('proof response:', response);
const endTime = Date.now();
console.log('Total proof time from frontend:', endTime - startTime);
// startCameraScan({
// setPassportNumber,
// setDateOfBirth,
// setDateOfExpiry,
// setStep,
// });
startCameraScan({
setPassportNumber,
setDateOfBirth,
setDateOfExpiry,
setStep,
});
};

2
app/ios/ProofOfPassport-Bridging-Header.h
View File

@@ -2,5 +2,5 @@
// Use this file to import your target's public headers that you would like to expose to Swift.
//
#include "witnesscalc_authV2.h"
#include "witnesscalc_proof_of_passport.h"
#include "groth16_prover.h"

45
app/ios/ProofOfPassport.xcodeproj/project.pbxproj
View File

@@ -8,19 +8,15 @@
/* Begin PBXBuildFile section */
00E356F31AD99517003FC87E /* ProofOfPassportTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 00E356F21AD99517003FC87E /* ProofOfPassportTests.m */; };
056247BA2BB26D4400FFBD3B /* Contents.json in Resources */ = {isa = PBXBuildFile; fileRef = 056247B82BB26D4400FFBD3B /* Contents.json */; };
056247BB2BB26D4400FFBD3B /* authV2.dat in Resources */ = {isa = PBXBuildFile; fileRef = 056247B92BB26D4400FFBD3B /* authV2.dat */; };
0569F35B2BBC9015006670BD /* librapidsnark.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 0569F35A2BBC900D006670BD /* librapidsnark.a */; };
0569F35D2BBC921F006670BD /* authV2.zkey in Resources */ = {isa = PBXBuildFile; fileRef = 0569F35C2BBC921F006670BD /* authV2.zkey */; };
0569F35F2BBC98D5006670BD /* libfq.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 0569F35E2BBC98C9006670BD /* libfq.a */; };
0569F3612BBCE4EF006670BD /* libwitnesscalc_proof_of_passport.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 0569F3602BBCE4EB006670BD /* libwitnesscalc_proof_of_passport.a */; };
05BD9DCC2B548AA900823023 /* MoproKit in Resources */ = {isa = PBXBuildFile; fileRef = 05BD9DCB2B548AA900823023 /* MoproKit */; };
05BD9DCE2B554FA300823023 /* libmopro_ffi.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 05BD9DCD2B554FA300823023 /* libmopro_ffi.a */; };
05D985F52BB331AB00F58EEA /* libgmp.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 05D985F22BB331AB00F58EEA /* libgmp.a */; };
05D985F62BB331AB00F58EEA /* libfr.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 05D985F32BB331AB00F58EEA /* libfr.a */; };
05D985F72BB331AB00F58EEA /* libfq.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 05D985F42BB331AB00F58EEA /* libfq.a */; };
05D985F92BB3335B00F58EEA /* authV2.dat in Resources */ = {isa = PBXBuildFile; fileRef = 05D985F82BB3335B00F58EEA /* authV2.dat */; };
05D985FB2BB3344600F58EEA /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 05D985FA2BB3344600F58EEA /* Assets.xcassets */; };
05E2174E2E7E48EB80B9C8D8 /* Luciole-Bold.ttf in Resources */ = {isa = PBXBuildFile; fileRef = ABB740B68A8141229E6118AC /* Luciole-Bold.ttf */; };
05E439192BB32D5800E57227 /* libwitnesscalc_authV2.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 056247BD2BB328C800FFBD3B /* libwitnesscalc_authV2.a */; };
05EDEDC62B52D25D00AA51AD /* Prover.m in Sources */ = {isa = PBXBuildFile; fileRef = 05EDEDC42B52D25D00AA51AD /* Prover.m */; };
05EDEDC72B52D25D00AA51AD /* Prover.swift in Sources */ = {isa = PBXBuildFile; fileRef = 05EDEDC52B52D25D00AA51AD /* Prover.swift */; };
0651723A94C70A2B31E3E4F8 /* Pods_ProofOfPassport.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3DAAF621B99F62C9ED35AA07 /* Pods_ProofOfPassport.framework */; };
@@ -76,19 +72,17 @@
00E356EE1AD99517003FC87E /* ProofOfPassportTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = ProofOfPassportTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
00E356F11AD99517003FC87E /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
00E356F21AD99517003FC87E /* ProofOfPassportTests.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = ProofOfPassportTests.m; sourceTree = "<group>"; };
056247B82BB26D4400FFBD3B /* Contents.json */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.json; path = Contents.json; sourceTree = "<group>"; };
056247B92BB26D4400FFBD3B /* authV2.dat */ = {isa = PBXFileReference; lastKnownFileType = file; path = authV2.dat; sourceTree = "<group>"; };
056247BD2BB328C800FFBD3B /* libwitnesscalc_authV2.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; path = libwitnesscalc_authV2.a; sourceTree = "<group>"; };
0569F35A2BBC900D006670BD /* librapidsnark.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; path = librapidsnark.a; sourceTree = "<group>"; };
0569F35C2BBC921F006670BD /* authV2.zkey */ = {isa = PBXFileReference; lastKnownFileType = file; name = authV2.zkey; path = ProofOfPassport/Assets.xcassets/authV2.zkey.dataset/authV2.zkey; sourceTree = "<group>"; };
0569F35E2BBC98C9006670BD /* libfq.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; path = libfq.a; sourceTree = "<group>"; };
0569F3602BBCE4EB006670BD /* libwitnesscalc_proof_of_passport.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; path = libwitnesscalc_proof_of_passport.a; sourceTree = "<group>"; };
0569F3622BBCE52D006670BD /* proof_of_passport.zkey */ = {isa = PBXFileReference; lastKnownFileType = file; name = proof_of_passport.zkey; path = ProofOfPassport/Assets.xcassets/proof_of_passport.zkey.dataset/proof_of_passport.zkey; sourceTree = "<group>"; };
0569F3642BBCE53D006670BD /* proof_of_passport.dat */ = {isa = PBXFileReference; lastKnownFileType = file; name = proof_of_passport.dat; path = ProofOfPassport/Assets.xcassets/proof_of_passport.dat.dataset/proof_of_passport.dat; sourceTree = "<group>"; };
057DFC5E2B56DC0D003D24A3 /* libmopro_ffi.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; name = libmopro_ffi.a; path = MoproKit/Libs/libmopro_ffi.a; sourceTree = "<group>"; };
05A0773D2B5333CE0037E489 /* MoproKit.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = MoproKit.framework; sourceTree = BUILT_PRODUCTS_DIR; };
05BD9DCB2B548AA900823023 /* MoproKit */ = {isa = PBXFileReference; lastKnownFileType = folder; path = MoproKit; sourceTree = "<group>"; };
05BD9DCD2B554FA300823023 /* libmopro_ffi.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; name = libmopro_ffi.a; path = MoproKit/Libs/libmopro_ffi.a; sourceTree = "<group>"; };
05D985F22BB331AB00F58EEA /* libgmp.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; path = libgmp.a; sourceTree = "<group>"; };
05D985F32BB331AB00F58EEA /* libfr.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; path = libfr.a; sourceTree = "<group>"; };
05D985F42BB331AB00F58EEA /* libfq.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; path = libfq.a; sourceTree = "<group>"; };
05D985F82BB3335B00F58EEA /* authV2.dat */ = {isa = PBXFileReference; lastKnownFileType = file; name = authV2.dat; path = ProofOfPassport/Assets.xcassets/authV2.dat.dataset/authV2.dat; sourceTree = "<group>"; };
05D985FA2BB3344600F58EEA /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; name = Assets.xcassets; path = ProofOfPassport/Assets.xcassets; sourceTree = "<group>"; };
05EDEDC42B52D25D00AA51AD /* Prover.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = Prover.m; sourceTree = "<group>"; };
05EDEDC52B52D25D00AA51AD /* Prover.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Prover.swift; sourceTree = "<group>"; };
@@ -155,10 +149,10 @@
isa = PBXFrameworksBuildPhase;
buildActionMask = 2147483647;
files = (
05D985F72BB331AB00F58EEA /* libfq.a in Frameworks */,
05E439192BB32D5800E57227 /* libwitnesscalc_authV2.a in Frameworks */,
0651723A94C70A2B31E3E4F8 /* Pods_ProofOfPassport.framework in Frameworks */,
0569F3612BBCE4EF006670BD /* libwitnesscalc_proof_of_passport.a in Frameworks */,
05D985F52BB331AB00F58EEA /* libgmp.a in Frameworks */,
0569F35F2BBC98D5006670BD /* libfq.a in Frameworks */,
0569F35B2BBC9015006670BD /* librapidsnark.a in Frameworks */,
05BD9DCE2B554FA300823023 /* libmopro_ffi.a in Frameworks */,
05D985F62BB331AB00F58EEA /* libfr.a in Frameworks */,
@@ -185,16 +179,6 @@
name = "Supporting Files";
sourceTree = "<group>";
};
056247B72BB26D4400FFBD3B /* authV2.dat.dataset */ = {
isa = PBXGroup;
children = (
056247B82BB26D4400FFBD3B /* Contents.json */,
056247B92BB26D4400FFBD3B /* authV2.dat */,
);
name = authV2.dat.dataset;
path = ProofOfPassport/Assets.xcassets/authV2.dat.dataset;
sourceTree = "<group>";
};
13B07FAE1A68108700A75B9A /* ProofOfPassport */ = {
isa = PBXGroup;
children = (
@@ -202,13 +186,10 @@
05EDEDC52B52D25D00AA51AD /* Prover.swift */,
905B700A2A72A5E900AFA232 /* masterList.pem */,
905B70082A729CD400AFA232 /* ProofOfPassport.entitlements */,
05D985F42BB331AB00F58EEA /* libfq.a */,
05D985F32BB331AB00F58EEA /* libfr.a */,
05D985F82BB3335B00F58EEA /* authV2.dat */,
05D985FA2BB3344600F58EEA /* Assets.xcassets */,
05D985F22BB331AB00F58EEA /* libgmp.a */,
057DFC5E2B56DC0D003D24A3 /* libmopro_ffi.a */,
056247B72BB26D4400FFBD3B /* authV2.dat.dataset */,
13B07FAF1A68108700A75B9A /* AppDelegate.h */,
05BD9DCB2B548AA900823023 /* MoproKit */,
13B07FB01A68108700A75B9A /* AppDelegate.mm */,
@@ -219,7 +200,6 @@
13B07FB71A68108700A75B9A /* main.m */,
905B70042A72767900AFA232 /* PassportReader.swift */,
905B70032A72767800AFA232 /* ProofOfPassport-Bridging-Header.h */,
056247BD2BB328C800FFBD3B /* libwitnesscalc_authV2.a */,
165E76C22B8DC8370000FA90 /* ScannerHostingController.swift */,
905B70062A72774000AFA232 /* PassportReader.m */,
165E76BC2B8DC4A00000FA90 /* MRZScannerModule.swift */,
@@ -232,6 +212,8 @@
2D16E6871FA4F8E400B85C8A /* Frameworks */ = {
isa = PBXGroup;
children = (
0569F3602BBCE4EB006670BD /* libwitnesscalc_proof_of_passport.a */,
0569F35E2BBC98C9006670BD /* libfq.a */,
0569F35A2BBC900D006670BD /* librapidsnark.a */,
05A0773D2B5333CE0037E489 /* MoproKit.framework */,
ED297162215061F000B7C4FE /* JavaScriptCore.framework */,
@@ -283,7 +265,8 @@
83CBB9F61A601CBA00E9B192 = {
isa = PBXGroup;
children = (
0569F35C2BBC921F006670BD /* authV2.zkey */,
0569F3642BBCE53D006670BD /* proof_of_passport.dat */,
0569F3622BBCE52D006670BD /* proof_of_passport.zkey */,
13B07FAE1A68108700A75B9A /* ProofOfPassport */,
832341AE1AAA6A7D00B99B32 /* Libraries */,
00E356EF1AD99517003FC87E /* ProofOfPassportTests */,
@@ -409,19 +392,15 @@
isa = PBXResourcesBuildPhase;
buildActionMask = 2147483647;
files = (
056247BB2BB26D4400FFBD3B /* authV2.dat in Resources */,
905B700B2A72A5E900AFA232 /* masterList.pem in Resources */,
05BD9DCC2B548AA900823023 /* MoproKit in Resources */,
81AB9BB82411601600AC10FF /* LaunchScreen.storyboard in Resources */,
13B07FBF1A68108700A75B9A /* Images.xcassets in Resources */,
2FA7C90AFAF5417DAA7BCB1E /* Inter-Black.otf in Resources */,
056247BA2BB26D4400FFBD3B /* Contents.json in Resources */,
C9B733B168F84BBA818C6CB8 /* Inter-BlackItalic.otf in Resources */,
15AAF7651FCF40EB993543A3 /* Inter-BoldItalic.otf in Resources */,
1D2A11340C7041909B820A90 /* Inter-ExtraBold.otf in Resources */,
E4BC7CC193684992A11E3135 /* Inter-ExtraBoldItalic.otf in Resources */,
0569F35D2BBC921F006670BD /* authV2.zkey in Resources */,
05D985F92BB3335B00F58EEA /* authV2.dat in Resources */,
1BA25F26C91C45F697D55099 /* Inter-ExtraLight.otf in Resources */,
05D985FB2BB3344600F58EEA /* Assets.xcassets in Resources */,
625D35EA2F1643E89F9887CE /* Inter-ExtraLightItalic.otf in Resources */,

BIN
app/ios/ProofOfPassport/Assets.xcassets/authV2.dat.dataset/authV2.dat
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Binary file not shown.

BIN
app/ios/ProofOfPassport/Assets.xcassets/authV2.zkey.dataset/authV2.zkey
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2
app/ios/ProofOfPassport/Assets.xcassets/authV2.dat.dataset/Contents.json → app/ios/ProofOfPassport/Assets.xcassets/proof_of_passport.dat.dataset/Contents.json
View File

@@ -1,7 +1,7 @@
{
"data" : [
{
"filename" : "authV2.dat",
"filename" : "proof_of_passport.dat",
"idiom" : "universal",
"universal-type-identifier" : "dyn.ah62d4rv4ge80k2py"
}

BIN
app/ios/ProofOfPassport/Assets.xcassets/proof_of_passport.dat.dataset/proof_of_passport.dat Normal file
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2
app/ios/ProofOfPassport/Assets.xcassets/authV2.zkey.dataset/Contents.json → app/ios/ProofOfPassport/Assets.xcassets/proof_of_passport.zkey.dataset/Contents.json
View File

@@ -1,7 +1,7 @@
{
"data" : [
{
"filename" : "authV2.zkey",
"filename" : "proof_of_passport.zkey",
"idiom" : "universal",
"universal-type-identifier" : "dyn.ah62d4rv4ge81y45fte"
}

99
app/ios/Prover.swift
View File

@@ -10,8 +10,8 @@ import React
import Security
import MoproKit
#if canImport(witnesscalc_authV2)
import witnesscalc_authV2
#if canImport(witnesscalc_proof_of_passport)
import witnesscalc_proof_of_passport
#endif
#if canImport(groth16_prover)
@@ -101,12 +101,8 @@ class Prover: NSObject {
// inputs["pubkey"] = pubkey;
// inputs["address"] = address;
// guard let inputs = inputs else {
// throw "inputs is not valid"
// }
let inputsDict = ["a": "2", "b": "4"]
let inputsMul = try! JSONEncoder().encode(inputsDict)
let inputsMul = try! JSONEncoder().encode(inputs)
print("inputsMul size: \(inputsMul.count) bytes")
print("inputsMul data: \(String(data: inputsMul, encoding: .utf8) ?? "")")
@@ -114,92 +110,35 @@ class Prover: NSObject {
let wtns = try! calcWtnsAuthV2(inputsJson: inputsMul)
print("wtns size: \(wtns.count) bytes")
print("wtns data (hex): \(wtns.map { String(format: "%02hhx", $0) }.joined())")
// print("wtns data (hex): \(wtns.map { String(format: "%02hhx", $0) }.joined())")
let (proofRaw, pubSignalsRaw) = try groth16AuthV2(wtns: wtns)
let proof = try JSONDecoder().decode(Proof.self, from: proofRaw)
print("Proof: \(proof)")
let pubSignals = try JSONDecoder().decode([String].self, from: pubSignalsRaw)
print("PubSignals: \(pubSignals)")
let zkproof = Zkproof(proof: proof, pubSignals: pubSignals)
let proofObject: [String: Any] = [
"proof": [
"a": proof.piA,
"b": proof.piB,
"c": proof.piC,
],
"inputs": pubSignals
]
print("Zkproof: \(zkproof)")
// return try JSONEncoder().encode(zkproof)
// // Generate Proof
// let generateProofResult = try generateProof2(circuitInputs: inputs)
// assert(!generateProofResult.proof.isEmpty, "Proof should not be empty")
// // Record end time and compute duration
// let end = CFAbsoluteTimeGetCurrent()
// let timeTaken = end - start
// print("Proof generation took \(timeTaken) seconds.")
// // Store the generated proof and public inputs for later verification
// print("generateProofResult", generateProofResult)
// generatedProof = generateProofResult.proof
// publicInputs = generateProofResult.inputs
// // Convert Data to array of bytes
// let proofBytes = [UInt8](generateProofResult.proof)
// let inputsBytes = [UInt8](generateProofResult.inputs)
// print("proofBytes", proofBytes)
// print("inputsBytes", inputsBytes)
// // Create a dictionary with byte arrays
// let resultDict: [String: [UInt8]] = [
// "proof": proofBytes,
// "inputs": inputsBytes
// ]
// // Serialize dictionary to JSON
// let jsonData = try JSONSerialization.data(withJSONObject: resultDict, options: [])
// let jsonString = String(data: jsonData, encoding: .utf8)!
// resolve(jsonString)
} catch let error as MoproError {
print("MoproError: \(error)")
reject("PROVER", "An error occurred during proof generation", error)
let proofData = try JSONSerialization.data(withJSONObject: proofObject, options: [])
let proofObjectString = String(data: proofData, encoding: .utf8) ?? ""
print("Proof Object: \(proofObjectString)")
resolve(proofObjectString)
} catch {
print("Unexpected error: \(error)")
reject("PROVER", "An error occurred during proof generation", error)
}
}
@objc(runVerifyAction:reject:)
func runVerifyAction(resolve: @escaping RCTPromiseResolveBlock, reject: @escaping RCTPromiseRejectBlock) {
// Logic for verify
guard let proof = generatedProof,
let publicInputs = publicInputs else {
print("Proof has not been generated yet.")
return
}
do {
// Verify Proof
let isValid = try verifyProof2(proof: proof, publicInput: publicInputs)
assert(isValid, "Proof verification should succeed")
print("Proof verification succeeded.")
resolve(isValid)
} catch let error as MoproError {
print("MoproError: \(error)")
reject("PROVER", "An error occurred during proof verification", error)
} catch {
print("Unexpected error: \(error)")
reject("PROVER", "An error occurred during proof verification", error)
}
}
}
public func calcWtnsAuthV2(inputsJson: Data) throws -> Data {
let dat = NSDataAsset(name: "authV2.dat")!.data
let dat = NSDataAsset(name: "proof_of_passport.dat")!.data
return try _calcWtnsAuthV2(dat: dat, jsonData: inputsJson)
}
@@ -220,7 +159,7 @@ private func _calcWtnsAuthV2(dat: Data, jsonData: Data) throws -> Data {
let wtnsBuffer = UnsafeMutablePointer<UInt8>.allocate(capacity: (100 * 1024 * 1024))
let errorBuffer = UnsafeMutablePointer<UInt8>.allocate(capacity: Int(errorSize))
let result = witnesscalc_authV2(
let result = witnesscalc_proof_of_passport(
(dat as NSData).bytes, datSize,
(jsonData as NSData).bytes, jsonDataSize,
wtnsBuffer, wtnsSize,
@@ -242,7 +181,7 @@ private func _calcWtnsAuthV2(dat: Data, jsonData: Data) throws -> Data {
public func groth16AuthV2(wtns: Data) throws -> (proof: Data, publicInputs: Data) {
return try _groth16Prover(zkey: NSDataAsset(name: "authV2.zkey")!.data, wtns: wtns)
return try _groth16Prover(zkey: NSDataAsset(name: "proof_of_passport.zkey")!.data, wtns: wtns)
}
public func _groth16Prover(zkey: Data, wtns: Data) throws -> (proof: Data, publicInputs: Data) {

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app/ios/libwitnesscalc_authV2.a
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app/ios/libwitnesscalc_proof_of_passport.a Normal file
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41
app/ios/witnesscalc_proof_of_passport.h Normal file
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@@ -0,0 +1,41 @@
#ifndef WITNESSCALC_PROOFOFPASSPORT_H
#define WITNESSCALC_PROOFOFPASSPORT_H
#ifdef __cplusplus
extern "C" {
#endif
#define WITNESSCALC_OK 0x0
#define WITNESSCALC_ERROR 0x1
#define WITNESSCALC_ERROR_SHORT_BUFFER 0x2
/**
*
* @return error code:
* WITNESSCALC_OK - in case of success.
* WITNESSCALC_ERROR - in case of an error.
*
* On success wtns_buffer is filled with witness data and
* wtns_size contains the number bytes copied to wtns_buffer.
*
* If wtns_buffer is too small then the function returns WITNESSCALC_ERROR_SHORT_BUFFER
* and the minimum size for wtns_buffer in wtns_size.
*
*/
int
witnesscalc_proof_of_passport(
const char *circuit_buffer, unsigned long circuit_size,
const char *json_buffer, unsigned long json_size,
char *wtns_buffer, unsigned long *wtns_size,
char *error_msg, unsigned long error_msg_maxsize);
#ifdef __cplusplus
}
#endif // WITNESSCALC_PROOFOFPASSPORT_H
#endif // WITNESSCALC_PROOFOFPASSPORT_H

81
app/scripts/build_ios_module.sh
View File

@@ -1,55 +1,44 @@
#!/bin/bash
# This is adapted from mopro
DEVELOPMENT_TEAM="<add-yours-here>"
ARCHITECTURE="aarch64-apple-ios" # or "x86_64-apple-ios" for "x86_64", "aarch64-apple-ios-sim" for simulator
LIB_DIR="release" # or "debug"
PROJECT_DIR=$(pwd)
cp ../circuits/build/proof_of_passport_cpp/proof_of_passport.cpp witnesscalc/src
cp ../circuits/build/proof_of_passport_cpp/proof_of_passport.dat witnesscalc/src
# Assert we're in the /app dir
if [[ ! -d "mopro-ffi" || ! -d "mopro-core" || ! -d "ark-zkey" ]]; then
echo -e "${RED}Error: This script must be run from the /app dir that contains mopro-ffi, mopro-core and ark-zkey folders.${DEFAULT}"
exit 1
fi
# Check for target support
check_target_support() {
rustup target list | grep installed | grep -q "$1"
}
# check target is installed
if ! check_target_support $ARCHITECTURE; then
rustup target add $ARCHITECTURE
cd witnesscalc/src
# This adds the namespace to the circuit file as described in the README
last_include=$(grep -n '#include' proof_of_passport.cpp | tail -1 | cut -d: -f1)
if [[ "$OSTYPE" == "darwin"* ]]; then
# macOS requires an empty string with the -i flag and handles backslashes differently
sed -i "" "${last_include}a\\
namespace CIRCUIT_NAME {" proof_of_passport.cpp
else
echo "Target $ARCHITECTURE already installed, skipping."
# Linux
sed -i "${last_include}a \\nnamespace CIRCUIT_NAME {" proof_of_passport.cpp
fi
echo "}" >> proof_of_passport.cpp
cd ../../..
git submodule init
git submodule update
cd mopro-core
cargo build --release
cd app/witnesscalc
./build_gmp.sh ios
make ios
cd ../mopro-ffi
echo "Building mopro-ffi static library..."
cargo build --release --target ${ARCHITECTURE}
cp target/${ARCHITECTURE}/${LIB_DIR}/libmopro_ffi.a ../ios/MoproKit/Libs/
echo "copied libmopro_ffi.a to ios/Moprokit/Libs/"
cd ../ios
pod install
./post_install.sh
# TODO: if functions signatures change, we have to rebuild the bindings by adapting theses lines:
# cd ..
# Install uniffi-bindgen binary in mopro-ffi
# echo "[ffi] Installing uniffi-bindgen..."
# if ! command -v uniffi-bindgen &> /dev/null
# then
# cargo install --bin uniffi-bindgen --path .
# else
# echo "uniffi-bindgen already installed, skipping."
# fi
# echo "Updating mopro-ffi bindings and library..."
# uniffi-bindgen generate mopro-ffi/src/mopro.udl --language swift --out-dir ${TARGET_DIR}/SwiftBindings
# cp ${TARGET_DIR}/SwiftBindings/moproFFI.h ${MOPROKIT_DIR}/Include/
# cp ${TARGET_DIR}/SwiftBindings/mopro.swift ${MOPROKIT_DIR}/Bindings/
# cp ${TARGET_DIR}/SwiftBindings/moproFFI.modulemap ${MOPROKIT_DIR}/Resources/
cd build_witnesscalc_ios
xcodebuild -project witnesscalc.xcodeproj \
-scheme proof_of_passport \
-sdk iphoneos \
-configuration Release \
DEVELOPMENT_TEAM="$DEVELOPMENT_TEAM" \
ARCHS="arm64" \
-destination 'generic/platform=iOS' \
PRODUCT_BUNDLE_IDENTIFIER=com.warrom.witnesscalc \
build
cd ../..
cp witnesscalc/build_witnesscalc_ios/src/Debug-iphoneos/libwitnesscalc_proof_of_passport.a ios
mkdir -p ios/ProofOfPassport/Assets.xcassets/proof_of_passport.dat.dataset
mkdir -p ios/ProofOfPassport/Assets.xcassets/proof_of_passport.zkey.dataset
cp witnesscalc/src/proof_of_passport.dat ios/ProofOfPassport/Assets.xcassets/proof_of_passport.dat.dataset/proof_of_passport.dat
cp ../circuits/build/proof_of_passport.zkey ios/ProofOfPassport/Assets.xcassets/proof_of_passport.zkey.dataset/proof_of_passport.zkey

51
app/src/utils/prover.ts
View File

@@ -83,34 +83,45 @@ const generateProof = async (
console.log('launching generateProof function');
console.log('inputs in App.tsx', inputs);
await NativeModules.Prover.runInitAction();
// await NativeModules.Prover.runInitAction();
const startTime = Date.now();
console.log('running mopro prove action');
const startTime = Date.now();
const response = await NativeModules.Prover.runProveAction(inputs);
console.log('proof response:', response);
const parsedResponse = Platform.OS === 'android'
? parseProofAndroid(response)
: JSON.parse(response);
console.log('parsedResponse', parsedResponse);
const endTime = Date.now();
console.log('time spent:', endTime - startTime);
console.log('proof response:', response);
console.log('typeof proof response:', typeof response);
setProofTime(endTime - startTime);
console.log('running mopro verify action');
const res = await NativeModules.Prover.runVerifyAction();
console.log('verify response:', res);
if (Platform.OS === 'android') {
const parsedResponse = parseProofAndroid(response);
const finalProof = {
proof: JSON.stringify(formatProof(parsedResponse.proof)),
inputs: JSON.stringify(formatInputs(parsedResponse.inputs)),
};
console.log('finalProof:', finalProof);
const finalProof = {
proof: JSON.stringify(formatProof(parsedResponse.proof)),
inputs: JSON.stringify(formatInputs(parsedResponse.inputs)),
};
console.log('finalProof:', finalProof);
setProof(finalProof);
setGeneratingProof(false);
setStep(Steps.PROOF_GENERATED);
} else {
const parsedResponse = JSON.parse(response);
console.log('parsedResponse', parsedResponse);
console.log('parsedResponse.proof:', parsedResponse.proof);
console.log('parsedResponse.inputs:', parsedResponse.inputs);
setProof(finalProof);
setGeneratingProof(false);
setStep(Steps.PROOF_GENERATED);
const finalProof = {
proof: JSON.stringify(parsedResponse.proof),
inputs: JSON.stringify(parsedResponse.inputs),
};
console.log('finalProof:', finalProof);
setProof(finalProof);
setGeneratingProof(false);
setStep(Steps.PROOF_GENERATED);
}
} catch (err: any) {
console.log('err', err);
}

78
app/witnesscalc/.gitignore vendored Normal file
View File

@@ -0,0 +1,78 @@
# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
# Runtime data
pids
*.pid
*.seed
*.pid.lock
# Directory for instrumented libs generated by jscoverage/JSCover
lib-cov
# Coverage directory used by tools like istanbul
coverage
# nyc test coverage
.nyc_output
# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
.grunt
# Bower dependency directory (https://bower.io/)
bower_components
# node-waf configuration
.lock-wscript
# Compiled binary addons (https://nodejs.org/api/addons.html)
# build/
# Dependency directories
node_modules/
jspm_packages/
# Typescript v1 declaration files
typings/
# Optional npm cache directory
.npm
# Optional eslint cache
.eslintcache
# Optional REPL history
.node_repl_history
# Output of 'npm pack'
*.tgz
# Yarn Integrity file
.yarn-integrity
# dotenv environment variables file
.env
# next.js build output
.next
tmp
temp
.DS_Store
# Workspace files are user-specific
*.sublime-workspace
CMakeLists.txt.user
depends/gmp*
build/*.o
build_*
package*
.idea/

60
app/witnesscalc/CMakeLists.txt Normal file
View File

@@ -0,0 +1,60 @@
cmake_minimum_required(VERSION 3.5)
include(cmake/platform.cmake)
set(USE_ASM ON CACHE BOOL "Use asm implementation for Fr and Fq")
project(witnesscalc LANGUAGES CXX ASM)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
message("USE_ASM=" ${USE_ASM})
message("CMAKE_CROSSCOMPILING=" ${CMAKE_CROSSCOMPILING})
message("GMP_PREFIX=" ${GMP_PREFIX})
message("GMP_INCLUDE_DIR=" ${GMP_INCLUDE_DIR})
message("GMP_LIB_DIR=" ${GMP_LIB_DIR})
if (NOT EXISTS ${GMP_INCLUDE_FILE_FULLPATH})
message("WARNING: ${GMP_INCLUDE_FILE_FULLPATH} is not found and so system ${GMP_INCLUDE_FILE} is used.")
endif()
if (NOT EXISTS ${GMP_LIB_FILE_FULLPATH})
message("WARNING: ${GMP_LIB_FILE_FULLPATH} is not found and so system ${GMP_LIB_FILE} is used.")
set(GMP_LIB gmp)
endif()
include_directories(BEFORE ${GMP_INCLUDE_DIR})
add_subdirectory(src)
install(TARGETS
tests
test_platform
authV2
proof_of_passport
witnesscalc_proof_of_passport
witnesscalc_proof_of_passportStatic
witnesscalc_authV2
witnesscalc_authV2Static
fr
RUNTIME DESTINATION ${CMAKE_INSTALL_PREFIX}/bin
BUNDLE DESTINATION ${CMAKE_INSTALL_PREFIX}/app
LIBRARY DESTINATION ${CMAKE_INSTALL_PREFIX}/lib)
install(FILES "${GMP_LIB_DIR}/${GMP_LIB_FILE}"
DESTINATION ${CMAKE_INSTALL_PREFIX}/lib)
install(FILES
src/proof_of_passport.dat
src/authV2.dat
DESTINATION ${CMAKE_INSTALL_PREFIX}/bin)
install(FILES
src/witnesscalc.h
src/witnesscalc_proof_of_passport.h
src/witnesscalc_authV2.h
DESTINATION ${CMAKE_INSTALL_PREFIX}/include)

675
app/witnesscalc/COPYING Normal file
View File

@@ -0,0 +1,675 @@
GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2021 0Kims Association <https://0kims.org>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The GNU General Public License is a free, copyleft license for
software and other kinds of works.
The licenses for most software and other practical works are designed
to take away your freedom to share and change the works. By contrast,
the GNU General Public License is intended to guarantee your freedom to
share and change all versions of a program--to make sure it remains free
software for all its users. We, the Free Software Foundation, use the
GNU General Public License for most of our software; it applies also to
any other work released this way by its authors. You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
them if you wish), that you receive source code or can get it if you
want it, that you can change the software or use pieces of it in new
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To protect your rights, we need to prevent others from denying you
these rights or asking you to surrender the rights. Therefore, you have
certain responsibilities if you distribute copies of the software, or if
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For example, if you distribute copies of such a program, whether
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Developers that use the GNU GPL protect your rights with two steps:
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Some devices are designed to deny users access to install or run
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The precise terms and conditions for copying, distribution and
modification follow.
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any patent claim is infringed by making, using, selling, offering for
sale, or importing the Program or any portion of it.
11. Patents.
A "contributor" is a copyright holder who authorizes use under this
License of the Program or a work on which the Program is based. The
work thus licensed is called the contributor's "contributor version".
A contributor's "essential patent claims" are all patent claims
owned or controlled by the contributor, whether already acquired or
hereafter acquired, that would be infringed by some manner, permitted
by this License, of making, using, or selling its contributor version,
but do not include claims that would be infringed only as a
consequence of further modification of the contributor version. For
purposes of this definition, "control" includes the right to grant
patent sublicenses in a manner consistent with the requirements of
this License.
Each contributor grants you a non-exclusive, worldwide, royalty-free
patent license under the contributor's essential patent claims, to
make, use, sell, offer for sale, import and otherwise run, modify and
propagate the contents of its contributor version.
In the following three paragraphs, a "patent license" is any express
agreement or commitment, however denominated, not to enforce a patent
(such as an express permission to practice a patent or covenant not to
sue for patent infringement). To "grant" such a patent license to a
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patent against the party.
If you convey a covered work, knowingly relying on a patent license,
and the Corresponding Source of the work is not available for anyone
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then you must either (1) cause the Corresponding Source to be so
available, or (2) arrange to deprive yourself of the benefit of the
patent license for this particular work, or (3) arrange, in a manner
consistent with the requirements of this License, to extend the patent
license to downstream recipients. "Knowingly relying" means you have
actual knowledge that, but for the patent license, your conveying the
covered work in a country, or your recipient's use of the covered work
in a country, would infringe one or more identifiable patents in that
country that you have reason to believe are valid.
If, pursuant to or in connection with a single transaction or
arrangement, you convey, or propagate by procuring conveyance of, a
covered work, and grant a patent license to some of the parties
receiving the covered work authorizing them to use, propagate, modify
or convey a specific copy of the covered work, then the patent license
you grant is automatically extended to all recipients of the covered
work and works based on it.
A patent license is "discriminatory" if it does not include within
the scope of its coverage, prohibits the exercise of, or is
conditioned on the non-exercise of one or more of the rights that are
specifically granted under this License. You may not convey a covered
work if you are a party to an arrangement with a third party that is
in the business of distributing software, under which you make payment
to the third party based on the extent of your activity of conveying
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conveyed by you (or copies made from those copies), or (b) primarily
for and in connection with specific products or compilations that
contain the covered work, unless you entered into that arrangement,
or that patent license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.
12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot convey a
covered work so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you may
not convey it at all. For example, if you agree to terms that obligate you
to collect a royalty for further conveying from those to whom you convey
the Program, the only way you could satisfy both those terms and this
License would be to refrain entirely from conveying the Program.
13. Use with the GNU Affero General Public License.
Notwithstanding any other provision of this License, you have
permission to link or combine any covered work with a work licensed
under version 3 of the GNU Affero General Public License into a single
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License will continue to apply to the part which is the covered work,
but the special requirements of the GNU Affero General Public License,
section 13, concerning interaction through a network will apply to the
combination as such.
14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions of
the GNU General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
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Each version is given a distinguishing version number. If the
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option of following the terms and conditions either of that numbered
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15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
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17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
{one line to give the program's name and a brief idea of what it does.}
Copyright (C) {year} {name of author}
This program 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.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
{project} Copyright (C) {year} {fullname}
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.

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app/witnesscalc/Makefile Normal file
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###
#Build targets
host:
rm -rf build_witnesscalc && mkdir build_witnesscalc && cd build_witnesscalc && \
cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=../package && \
make -j4 -vvv && make install
arm64_host:
rm -rf build_witnesscalc && mkdir build_witnesscalc && cd build_witnesscalc && \
cmake .. -DTARGET_PLATFORM=arm64_host -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=../package && \
make -j4 -vvv && make install
android:
rm -rf build_witnesscalc_android && mkdir build_witnesscalc_android && cd build_witnesscalc_android && \
cmake .. -DTARGET_PLATFORM=ANDROID -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=../package_android && \
make -j4 -vvv && make install
android_x86_64:
rm -rf build_witnesscalc_android_x86_64 && mkdir build_witnesscalc_android_x86_64 && cd build_witnesscalc_android_x86_64 && \
cmake .. -DTARGET_PLATFORM=ANDROID_x86_64 -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=../package_android_x86_64 && \
make -j4 -vvv && make install
ios:
rm -rf build_witnesscalc_ios && mkdir build_witnesscalc_ios && cd build_witnesscalc_ios && \
cmake .. -GXcode -DTARGET_PLATFORM=IOS -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=../package_ios && \
echo "" && echo "Now open Xcode and compile the generated project" && echo ""
ios_x86_64:
rm -rf build_witnesscalc_ios_x86_64 && mkdir build_witnesscalc_ios_x86_64 && cd build_witnesscalc_ios_x86_64 && \
cmake .. -GXcode -DTARGET_PLATFORM=IOS_x86_64 -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=../package_ios_x86_64 && \
echo "" && echo "Now open Xcode and compile the generated project" && echo ""

92
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## Dependencies
You should have installed gcc and cmake
In ubuntu:
```sh
sudo apt install build-essential cmake m4
```
## Compilation
### Preparation
```sh
git submodule init
git submodule update
```
### Compile witnesscalc for x86_64 host machine
```sh
./build_gmp.sh host
make host
```
### Compile witnesscalc for arm64 host machine
```sh
./build_gmp.sh host
make arm64_host
```
### Compile witnesscalc for Android
Install Android NDK from https://developer.android.com/ndk or with help of "SDK Manager" in Android Studio.
Set the value of ANDROID_NDK environment variable to the absolute path of Android NDK root directory.
Examples:
```sh
export ANDROID_NDK=/home/test/Android/Sdk/ndk/23.1.7779620 # NDK is installed by "SDK Manager" in Android Studio.
export ANDROID_NDK=/home/test/android-ndk-r23b # NDK is installed as a stand-alone package.
```
Compilation for arm64:
```sh
./build_gmp.sh android
make android
```
Compilation for x86_64:
```sh
./build_gmp.sh android_x86_64
make android_x86_64
```
### Compile witnesscalc for iOS
Requirements: Xcode.
1. Run:
````sh
./build_gmp.sh ios
make ios
````
2. Open generated Xcode project.
3. Add compilation flag `-D_LONG_LONG_LIMB` to all build targets.
4. Add compilation flag `-DCIRCUIT_NAME=auth`, `-DCIRCUIT_NAME=sig` and `-DCIRCUIT_NAME=mtp` to the respective targets.
5. Compile witnesscalc.
## Updating circuits
1. Compile a circuit with compile-circuit.sh script in circuits repo as usual.
2. Replace existing <circuitname>.cpp and <circuitname>.dat files with generated ones (e.g. auth.cpp & auth.dat).
3. Enclose all the code inside <circuitname>.cpp file with `namespace CIRCUIT_NAME` (do not replace `CIRCUIT_NAME` with the real name, it will be replaced at compilation), like this:
```c++
#include ...
#include ...
namespace CIRCUIT_NAME {
// millions of code lines here
} // namespace
```
## License
witnesscalc is part of the iden3 project copyright 2022 0KIMS association and published with GPL-3 license. Please check the COPYING file for more details.

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app/witnesscalc/cmake/platform.cmake Normal file
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cmake_minimum_required(VERSION 3.5)
string(TOLOWER "${TARGET_PLATFORM}" TARGET_PLATFORM)
message("Building for " ${TARGET_PLATFORM})
set(GMP_ROOT depends/gmp)
if(TARGET_PLATFORM MATCHES "android")
if(NOT DEFINED ENV{ANDROID_NDK})
message("ANDROID_NDK environment variable is not set.")
message("It must be an absolute path to the root directory of Android NDK.")
message(" For instance /home/test/Android/Sdk/ndk/23.1.7779620")
message(FATAL_ERROR "Build failed.")
else()
message("Android NDK path is " $ENV{ANDROID_NDK})
endif()
set(CMAKE_SYSTEM_NAME Android)
set(CMAKE_SYSTEM_VERSION 23) # API level
if(TARGET_PLATFORM MATCHES "android_x86_64")
set(CMAKE_ANDROID_ARCH_ABI x86_64)
set(GMP_PREFIX ${GMP_ROOT}/package_android_x86_64)
set(ARCH x86_64)
else()
set(CMAKE_ANDROID_ARCH_ABI arm64-v8a)
set(GMP_PREFIX ${GMP_ROOT}/package_android_arm64)
set(ARCH arm64)
endif()
message("CMAKE_ANDROID_ARCH_ABI=" ${CMAKE_ANDROID_ARCH_ABI})
elseif(TARGET_PLATFORM MATCHES "ios")
set(CMAKE_SYSTEM_NAME iOS)
if(TARGET_PLATFORM MATCHES "ios_x86_64")
set(CMAKE_OSX_ARCHITECTURES x86_64)
set(GMP_PREFIX ${GMP_ROOT}/package_ios_x86_64)
set(ARCH x86_64)
else()
set(CMAKE_OSX_ARCHITECTURES arm64)
set(GMP_PREFIX ${GMP_ROOT}/package_ios_arm64)
set(ARCH arm64)
endif()
elseif(TARGET_PLATFORM MATCHES "aarch64")
set(GMP_PREFIX ${GMP_ROOT}/package_aarch64)
set(ARCH arm64)
elseif(TARGET_PLATFORM MATCHES "arm64_host")
set(GMP_PREFIX ${GMP_ROOT}/package)
set(ARCH arm64)
else()
set(GMP_PREFIX ${GMP_ROOT}/package)
set(ARCH x86_64)
endif()
if (CMAKE_HOST_SYSTEM_NAME MATCHES "Darwin")
set(GMP_DEFINIONS -D_LONG_LONG_LIMB)
endif()
set(GMP_INCLUDE_DIR ${GMP_PREFIX}/include)
set(GMP_INCLUDE_FILE gmp.h)
set(GMP_LIB_DIR ${GMP_PREFIX}/lib)
set(GMP_LIB_FILE libgmp.a)
set(GMP_LIB_FILE_FULLPATH ${CMAKE_SOURCE_DIR}/${GMP_LIB_DIR}/${GMP_LIB_FILE})
set(GMP_INCLUDE_FILE_FULLPATH ${CMAKE_SOURCE_DIR}/${GMP_INCLUDE_DIR}/${GMP_INCLUDE_FILE})
set(GMP_LIB ${GMP_LIB_FILE_FULLPATH})
message("CMAKE_HOST_SYSTEM_NAME=" ${CMAKE_HOST_SYSTEM_NAME})
message("CMAKE_SYSTEM_NAME=" ${CMAKE_SYSTEM_NAME})
message("ARCH=" ${ARCH})

1
app/witnesscalc/depends/json Submodule

Submodule app/witnesscalc/depends/json added at 199dea11b1

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app/witnesscalc/src/CMakeLists.txt Normal file
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include_directories(
../src
../build
../depends/json/single_include)
link_libraries(${GMP_LIB})
add_definitions(${GMP_DEFINIONS})
if(USE_ASM)
if(ARCH MATCHES "arm64")
add_definitions(-DUSE_ASM -DARCH_ARM64)
elseif(ARCH MATCHES "x86_64")
add_definitions(-DUSE_ASM -DARCH_X86_64)
endif()
endif()
if(USE_ASM AND ARCH MATCHES "x86_64")
if (CMAKE_HOST_SYSTEM_NAME MATCHES "Darwin")
set(NASM_FLAGS -fmacho64 --prefix _)
else()
set(NASM_FLAGS -felf64 -DPIC)
endif()
add_custom_command(OUTPUT ${CMAKE_SOURCE_DIR}/build/fq_asm.o
COMMAND nasm ${NASM_FLAGS} fq.asm -o fq_asm.o
DEPENDS ${CMAKE_SOURCE_DIR}/build/fq.asm
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/build)
add_custom_command(OUTPUT ${CMAKE_SOURCE_DIR}/build/fr_asm.o
COMMAND nasm ${NASM_FLAGS} fr.asm -o fr_asm.o
DEPENDS ${CMAKE_SOURCE_DIR}/build/fr.asm
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/build)
endif()
set(FR_SOURCES
../build/fr.hpp
../build/fr.cpp
)
if(USE_ASM)
if(ARCH MATCHES "arm64")
set(FR_SOURCES ${FR_SOURCES} ../build/fr_raw_arm64.s ../build/fr_raw_generic.cpp ../build/fr_generic.cpp)
elseif(ARCH MATCHES "x86_64")
set(FR_SOURCES ${FR_SOURCES} ../build/fr_asm.o)
endif()
else()
set(FR_SOURCES ${FR_SOURCES} ../build/fr_generic.cpp ../build/fr_raw_generic.cpp)
endif()
add_library(fr STATIC ${FR_SOURCES})
set_target_properties(fr PROPERTIES POSITION_INDEPENDENT_CODE ON)
link_libraries(fr)
add_executable(tests tests.cpp)
add_executable(test_platform test_platform.cpp)
set(LIB_SOURCES
calcwit.cpp
witnesscalc.h
witnesscalc.cpp
)
# authV2
set(AUTHV2_SOURCES ${LIB_SOURCES}
authV2.cpp
witnesscalc_authV2.h
witnesscalc_authV2.cpp
)
add_library(witnesscalc_authV2 SHARED ${AUTHV2_SOURCES})
add_library(witnesscalc_authV2Static STATIC ${AUTHV2_SOURCES})
set_target_properties(witnesscalc_authV2Static PROPERTIES OUTPUT_NAME witnesscalc_authV2)
add_executable(authV2 main.cpp)
target_link_libraries(authV2 witnesscalc_authV2Static)
target_compile_definitions(witnesscalc_authV2 PUBLIC CIRCUIT_NAME=authV2)
target_compile_definitions(witnesscalc_authV2Static PUBLIC CIRCUIT_NAME=authV2)
target_compile_definitions(authV2 PUBLIC CIRCUIT_NAME=authV2)
# proof_of_passport
set(PROOFOFPASSPORT_SOURCES ${LIB_SOURCES}
proof_of_passport.cpp
witnesscalc_proof_of_passport.h
witnesscalc_proof_of_passport.cpp
)
add_library(witnesscalc_proof_of_passport SHARED ${PROOFOFPASSPORT_SOURCES})
add_library(witnesscalc_proof_of_passportStatic STATIC ${PROOFOFPASSPORT_SOURCES})
set_target_properties(witnesscalc_proof_of_passportStatic PROPERTIES OUTPUT_NAME witnesscalc_proof_of_passport)
add_executable(proof_of_passport main.cpp)
target_link_libraries(proof_of_passport witnesscalc_proof_of_passportStatic)
target_compile_definitions(witnesscalc_proof_of_passport PUBLIC CIRCUIT_NAME=proof_of_passport)
target_compile_definitions(witnesscalc_proof_of_passportStatic PUBLIC CIRCUIT_NAME=proof_of_passport)
target_compile_definitions(proof_of_passport PUBLIC CIRCUIT_NAME=proof_of_passport)

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148
app/witnesscalc/src/calcwit.cpp Normal file
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@@ -0,0 +1,148 @@
#include <iomanip>
#include <iostream>
#include <sstream>
#include "calcwit.hpp"
namespace CIRCUIT_NAME {
extern void run(Circom_CalcWit* ctx);
void check(bool condition) {
if (!condition) {
std::cerr << "assert failed" << std::endl;
throw std::runtime_error("assert failed");
}
}
void checkWithMsg(bool condition, const char* failMsg) {
if (!condition) {
std::stringstream stream;
stream << "assert failed: "
<< failMsg;
std::cerr << stream.str() << std::endl;
throw std::runtime_error(stream.str());
}
}
std::string int_to_hex( u64 i )
{
std::stringstream stream;
stream << "0x"
<< std::setfill ('0') << std::setw(16)
<< std::hex << i;
return stream.str();
}
u64 fnv1a(std::string s) {
u64 hash = 0xCBF29CE484222325LL;
for(char& c : s) {
hash ^= u64(c);
hash *= 0x100000001B3LL;
}
return hash;
}
Circom_CalcWit::Circom_CalcWit (Circom_Circuit *aCircuit, uint maxTh) {
circuit = aCircuit;
inputSignalAssignedCounter = get_main_input_signal_no();
inputSignalAssigned = new bool[inputSignalAssignedCounter];
for (int i = 0; i< inputSignalAssignedCounter; i++) {
inputSignalAssigned[i] = false;
}
signalValues = new FrElement[get_total_signal_no()];
Fr_str2element(&signalValues[0], "1", 10);
componentMemory = new Circom_Component[get_number_of_components()];
circuitConstants = circuit ->circuitConstants;
templateInsId2IOSignalInfo = circuit -> templateInsId2IOSignalInfo;
maxThread = maxTh;
// parallelism
numThread = 0;
}
Circom_CalcWit::~Circom_CalcWit() {
// ...
}
uint Circom_CalcWit::getInputSignalHashPosition(u64 h) {
uint n = get_size_of_input_hashmap();
uint pos = (uint)(h % (u64)n);
if (circuit->InputHashMap[pos].hash!=h){
uint inipos = pos;
pos++;
while (pos != inipos) {
if (circuit->InputHashMap[pos].hash==h) return pos;
if (circuit->InputHashMap[pos].hash==0) {
fprintf(stderr, "Signal not found\n");
throw std::runtime_error("Signal not found");
}
pos = (pos+1)%n;
}
fprintf(stderr, "Signals not found\n");
throw std::runtime_error("Signals not found");
}
return pos;
}
void Circom_CalcWit::tryRunCircuit(){
if (inputSignalAssignedCounter == 0) {
run(this);
}
}
void Circom_CalcWit::setInputSignal(u64 h, uint i, FrElement & val){
if (inputSignalAssignedCounter == 0) {
fprintf(stderr, "No more signals to be assigned\n");
throw std::runtime_error("No more signals to be assigned");
}
uint pos = getInputSignalHashPosition(h);
if (i >= circuit->InputHashMap[pos].signalsize) {
fprintf(stderr, "Input signal array access exceeds the size\n");
throw std::runtime_error("Input signal array access exceeds the size");
}
uint si = circuit->InputHashMap[pos].signalid+i;
if (inputSignalAssigned[si-get_main_input_signal_start()]) {
fprintf(stderr, "Signal assigned twice: %d\n", si);
const size_t errLn = 256;
char err[errLn];
snprintf(err, errLn, "Signal assigned twice: %d", si);
throw std::runtime_error(err);
}
signalValues[si] = val;
inputSignalAssigned[si-get_main_input_signal_start()] = true;
inputSignalAssignedCounter--;
tryRunCircuit();
}
u64 Circom_CalcWit::getInputSignalSize(u64 h) {
uint pos = getInputSignalHashPosition(h);
return circuit->InputHashMap[pos].signalsize;
}
std::string Circom_CalcWit::getTrace(u64 id_cmp){
if (id_cmp == 0) return componentMemory[id_cmp].componentName;
else{
u64 id_father = componentMemory[id_cmp].idFather;
std::string my_name = componentMemory[id_cmp].componentName;
return Circom_CalcWit::getTrace(id_father) + "." + my_name;
}
}
std::string Circom_CalcWit::generate_position_array(uint* dimensions, uint size_dimensions, uint index){
std::string positions = "";
for (uint i = 0 ; i < size_dimensions; i++){
uint last_pos = index % dimensions[size_dimensions -1 - i];
index = index / dimensions[size_dimensions -1 - i];
std::string new_pos = "[" + std::to_string(last_pos) + "]";
positions = new_pos + positions;
}
return positions;
}
} //namespace

76
app/witnesscalc/src/calcwit.hpp Normal file
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#ifndef CIRCOM_CALCWIT_H
#define CIRCOM_CALCWIT_H
#include <mutex>
#include <condition_variable>
#include <functional>
#include <atomic>
#include <memory>
#include "circom.hpp"
#include "fr.hpp"
#define NMUTEXES 12 //512
namespace CIRCUIT_NAME {
u64 fnv1a(std::string s);
void check(bool condition);
void checkWithMsg(bool condition, const char* failMsg);
class Circom_CalcWit {
bool *inputSignalAssigned;
uint inputSignalAssignedCounter;
Circom_Circuit *circuit;
public:
FrElement *signalValues;
Circom_Component* componentMemory;
FrElement* circuitConstants;
std::map<u32,IODefPair> templateInsId2IOSignalInfo;
std::string* listOfTemplateMessages;
// parallelism
std::mutex numThreadMutex;
std::condition_variable ntcvs;
uint numThread;
uint maxThread;
// Functions called by the circuit
Circom_CalcWit(Circom_Circuit *aCircuit, uint numTh = NMUTEXES);
~Circom_CalcWit();
// Public functions
void setInputSignal(u64 h, uint i, FrElement &val);
void tryRunCircuit();
u64 getInputSignalSize(u64 h);
inline uint getRemaingInputsToBeSet() {
return inputSignalAssignedCounter;
}
inline void getWitness(uint idx, PFrElement val) {
Fr_copy(val, &signalValues[circuit->witness2SignalList[idx]]);
}
std::string getTrace(u64 id_cmp);
std::string generate_position_array(uint* dimensions, uint size_dimensions, uint index);
private:
uint getInputSignalHashPosition(u64 h);
};
typedef void (*Circom_TemplateFunction)(uint __cIdx, Circom_CalcWit* __ctx);
} //namespace
#endif // CIRCOM_CALCWIT_H

93
app/witnesscalc/src/circom.hpp Normal file
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#ifndef __CIRCOM_H
#define __CIRCOM_H
#include <map>
#include <gmp.h>
#include <mutex>
#include <condition_variable>
#include <thread>
#include "fr.hpp"
namespace CIRCUIT_NAME {
typedef unsigned long long u64;
typedef uint32_t u32;
typedef uint8_t u8;
//only for the main inputs
struct __attribute__((__packed__)) HashSignalInfo {
u64 hash;
u64 signalid;
u64 signalsize;
};
struct IODef {
u32 offset;
u32 len;
u32 *lengths;
};
struct IODefPair {
u32 len;
IODef* defs;
};
struct Circom_Circuit {
// const char *P;
HashSignalInfo* InputHashMap;
u64* witness2SignalList;
FrElement* circuitConstants;
std::map<u32,IODefPair> templateInsId2IOSignalInfo;
};
struct Circom_Component {
u32 templateId;
u64 signalStart;
u32 inputCounter;
std::string templateName;
std::string componentName;
u64 idFather;
u32* subcomponents;
bool* subcomponentsParallel;
bool *outputIsSet; //one for each output
std::mutex *mutexes; //one for each output
std::condition_variable *cvs;
std::thread *sbct; //subcomponent threads
Circom_Component()
: subcomponents(0), subcomponentsParallel(0), outputIsSet(0), mutexes(0), cvs(0), sbct(0)
{}
};
/*
For every template instantiation create two functions:
- name_create
- name_run
//PFrElement: pointer to FrElement
Every name_run or circom_function has:
=====================================
//array of PFrElements for auxiliars in expression computation (known size);
PFrElements expaux[];
//array of PFrElements for local vars (known size)
PFrElements lvar[];
*/
uint get_main_input_signal_start();
uint get_main_input_signal_no();
uint get_total_signal_no();
uint get_number_of_components();
uint get_size_of_input_hashmap();
uint get_size_of_witness();
uint get_size_of_constants();
uint get_size_of_io_map();
} //namespace
#endif // __CIRCOM_H

47
app/witnesscalc/src/filemaploader.hpp Normal file
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#ifndef WITNESSCALC_INTERNAL_H
#define WITNESSCALC_INTERNAL_H
#include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <unistd.h>
#include <string>
#include <iostream>
class FileMapLoader
{
public:
explicit FileMapLoader(const std::string &datFileName)
{
int fd;
struct stat sb;
fd = open(datFileName.c_str(), O_RDONLY);
if (fd == -1) {
std::cout << ".dat file not found: " << datFileName << "\n";
throw std::system_error(errno, std::generic_category(), "open");
}
if (fstat(fd, &sb) == -1) { /* To obtain file size */
close(fd);
throw std::system_error(errno, std::generic_category(), "fstat");
}
size = sb.st_size;
buffer = (char*)mmap(NULL, size, PROT_READ , MAP_PRIVATE, fd, 0);
close(fd);
}
~FileMapLoader()
{
munmap(buffer, size);
}
FileMapLoader(const FileMapLoader&) = delete; // Delete the copy constructor
FileMapLoader& operator=(const FileMapLoader&) = delete; // Delete the copy assignment operator
char *buffer;
size_t size;
};
#endif //WITNESSCALC_INTERNAL_H

76
app/witnesscalc/src/main.cpp Normal file
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#include <iostream>
#include <chrono>
#include "witnesscalc.h"
#include "filemaploader.hpp"
#define handle_error(msg) \
do { perror(msg); exit(EXIT_FAILURE); } while (0)
void writeBinWitness(char *witnessBuffer, unsigned long witnessSize, std::string wtnsFileName)
{
FILE *write_ptr;
write_ptr = fopen(wtnsFileName.c_str(),"wb");
if (write_ptr == NULL) {
std::string msg("Could not open ");
msg += wtnsFileName + " for write";
throw std::system_error(errno, std::generic_category(), msg);
}
fwrite(witnessBuffer, witnessSize, 1, write_ptr);
fclose(write_ptr);
}
static const size_t WitnessBufferSize = 4*1024*1024;
static char WitnessBuffer[WitnessBufferSize];
int main (int argc, char *argv[]) {
std::string cl(argv[0]);
if (argc!=3) {
std::cout << "Usage: " << cl << " <input.json> <output.wtns>\n";
return EXIT_FAILURE;
}
try {
std::string datfile = cl + ".dat";
std::string jsonfile(argv[1]);
std::string wtnsFileName(argv[2]);
size_t witnessSize = sizeof(WitnessBuffer);
char errorMessage[256];
FileMapLoader jsonLoader(jsonfile);
int error = CIRCUIT_NAME::witnesscalc_from_dat_file(datfile.c_str(),
jsonLoader.buffer, jsonLoader.size,
WitnessBuffer, &witnessSize,
errorMessage, sizeof(errorMessage));
if (error == WITNESSCALC_ERROR_SHORT_BUFFER) {
std::cerr << "Error: Short buffer for witness."
<< " It should " << witnessSize << " bytes at least." << '\n';
return EXIT_FAILURE;
}
else if (error) {
std::cerr << errorMessage << '\n';
return EXIT_FAILURE;
}
writeBinWitness(WitnessBuffer, witnessSize, wtnsFileName);
} catch (std::exception* e) {
std::cerr << e->what() << '\n';
return EXIT_FAILURE;
} catch (std::exception& e) {
std::cerr << e.what() << '\n';
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}

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app/witnesscalc/src/proof_of_passport.cpp Normal file
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BIN
app/witnesscalc/src/proof_of_passport.dat Normal file
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21
app/witnesscalc/src/stub.cpp Normal file
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#include "circom.hpp"
#include "calcwit.hpp"
uint get_main_input_signal_start() {return 0;}
uint get_main_input_signal_no() {return 0;}
uint get_total_signal_no() {return 0;}
uint get_number_of_components() {return 0;}
uint get_size_of_input_hashmap() {return 0;}
uint get_size_of_witness() {return 0;}
uint get_size_of_constants() {return 0;}
uint get_size_of_io_map() {return 0;}
void run(Circom_CalcWit* ctx){
}

28
app/witnesscalc/src/test_platform.cpp Normal file
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#include <iostream>
#include <string>
#include <cstdint>
#include <gmp.h>
#include "fr.hpp"
int main()
{
std::cout << "sizeof int32_t : " << sizeof(int32_t) << std::endl;
std::cout << "sizeof int64_t : " << sizeof(int64_t) << std::endl;
std::cout << "sizeof int : " << sizeof(int) << std::endl;
std::cout << "sizeof unsigned int : " << sizeof(unsigned int) << std::endl;
std::cout << "sizeof long : " << sizeof(long) << std::endl;
std::cout << "sizeof unsigned long : " << sizeof(unsigned long) << std::endl;
std::cout << "sizeof long long : " << sizeof(long long) << std::endl;
std::cout << "sizeof unsigned long long : " << sizeof(unsigned long long) << std::endl;
std::cout << "sizeof mp_limb_t : " << sizeof(mp_limb_t) << std::endl;
std::cout << "sizeof mp_limb_signed_t : " << sizeof(mp_limb_signed_t) << std::endl;
std::cout << "sizeof FrRawElement : " << sizeof(FrRawElement) << std::endl;
std::cout << "sizeof FrElement : " << sizeof(FrElement) << std::endl;
int32_t x = -5;
uint32_t y = 5;
std::cout << "-5 >> 1 : " << (x >> 1) << std::endl;
std::cout << "5 >> 1 : " << (y >> 1) << std::endl;
}

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339
app/witnesscalc/src/witnesscalc.cpp Normal file
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#include "witnesscalc.h"
#include "filemaploader.hpp"
#include "calcwit.hpp"
#include "circom.hpp"
#include <nlohmann/json.hpp>
#include <sstream>
#include <memory>
namespace CIRCUIT_NAME {
using json = nlohmann::json;
Circom_Circuit* loadCircuit(const void *buffer, unsigned long buffer_size) {
if (buffer_size % sizeof(u32) != 0) {
throw std::runtime_error("Invalid circuit file: wrong buffer_size");
}
Circom_Circuit *circuit = new Circom_Circuit;
u8* bdata = (u8*)buffer;
circuit->InputHashMap = new HashSignalInfo[get_size_of_input_hashmap()];
uint dsize = get_size_of_input_hashmap()*sizeof(HashSignalInfo);
if (buffer_size < dsize) {
throw std::runtime_error("Invalid circuit file: buffer_size <= dsize");
}
memcpy((void *)(circuit->InputHashMap), (void *)bdata, dsize);
circuit->witness2SignalList = new u64[get_size_of_witness()];
uint inisize = dsize;
dsize = get_size_of_witness()*sizeof(u64);
if (buffer_size < dsize + inisize) {
throw std::runtime_error("Invalid circuit file: buffer_size <= dsize + inisize");
}
memcpy((void *)(circuit->witness2SignalList), (void *)(bdata+inisize), dsize);
circuit->circuitConstants = new FrElement[get_size_of_constants()];
if (get_size_of_constants()>0) {
inisize += dsize;
dsize = get_size_of_constants()*sizeof(FrElement);
if (buffer_size < dsize + inisize) {
throw std::runtime_error("Invalid circuit file: buffer_size <= dsize + inisize");
}
memcpy((void *)(circuit->circuitConstants), (void *)(bdata+inisize), dsize);
}
std::map<u32,IODefPair> templateInsId2IOSignalInfo1;
if (get_size_of_io_map()>0) {
u32 index[get_size_of_io_map()];
inisize += dsize;
dsize = get_size_of_io_map()*sizeof(u32);
if (buffer_size < dsize + inisize) {
throw std::runtime_error("Invalid circuit file: buffer_size <= dsize + inisize");
}
memcpy((void *)index, (void *)(bdata+inisize), dsize);
inisize += dsize;
if (inisize % sizeof(u32) != 0) {
throw std::runtime_error("Invalid circuit file: wrong inisize");
}
if (buffer_size <= inisize) {
throw std::runtime_error("Invalid circuit file: buffer_size <= inisize");
}
u32 dataiomap[(buffer_size-inisize)/sizeof(u32)];
memcpy((void *)dataiomap, (void *)(bdata+inisize), buffer_size-inisize);
u32* pu32 = dataiomap;
for (int i = 0; i < get_size_of_io_map(); i++) {
u32 n = *pu32;
IODefPair p;
p.len = n;
IODef defs[n];
pu32 += 1;
for (u32 j = 0; j <n; j++){
defs[j].offset=*pu32;
u32 len = *(pu32+1);
defs[j].len = len;
defs[j].lengths = new u32[len];
memcpy((void *)defs[j].lengths,(void *)(pu32+2),len*sizeof(u32));
pu32 += len + 2;
}
p.defs = (IODef*)calloc(10, sizeof(IODef));
for (u32 j = 0; j < p.len; j++){
p.defs[j] = defs[j];
}
templateInsId2IOSignalInfo1[index[i]] = p;
}
}
circuit->templateInsId2IOSignalInfo = std::move(templateInsId2IOSignalInfo1);
return circuit;
}
bool check_valid_number(std::string & s, uint base){
bool is_valid = true;
if (base == 16){
for (uint i = 0; i < s.size(); i++){
is_valid &= (
('0' <= s[i] && s[i] <= '9') ||
('a' <= s[i] && s[i] <= 'f') ||
('A' <= s[i] && s[i] <= 'F')
);
}
} else{
for (uint i = 0; i < s.size(); i++){
is_valid &= ('0' <= s[i] && s[i] < char(int('0') + base));
}
}
return is_valid;
}
void json2FrElements (json val, std::vector<FrElement> & vval){
if (!val.is_array()) {
FrElement v;
std::string s_aux, s;
uint base;
if (val.is_string()) {
s_aux = val.get<std::string>();
std::string possible_prefix = s_aux.substr(0, 2);
if (possible_prefix == "0b" || possible_prefix == "0B"){
s = s_aux.substr(2, s_aux.size() - 2);
base = 2;
} else if (possible_prefix == "0o" || possible_prefix == "0O"){
s = s_aux.substr(2, s_aux.size() - 2);
base = 8;
} else if (possible_prefix == "0x" || possible_prefix == "0X"){
s = s_aux.substr(2, s_aux.size() - 2);
base = 16;
} else{
s = s_aux;
base = 10;
}
if (!check_valid_number(s, base)){
std::ostringstream errStrStream;
errStrStream << "Invalid number in JSON input: " << s_aux << "\n";
throw std::runtime_error(errStrStream.str() );
}
} else if (val.is_number()) {
double vd = val.get<double>();
std::stringstream stream;
stream << std::fixed << std::setprecision(0) << vd;
s = stream.str();
base = 10;
} else {
throw std::runtime_error("Invalid JSON type");
}
Fr_str2element (&v, s.c_str(), base);
vval.push_back(v);
} else {
for (uint i = 0; i < val.size(); i++) {
json2FrElements (val[i], vval);
}
}
}
void loadJson(Circom_CalcWit *ctx, const char *json_buffer, unsigned long buffer_size) {
json j = json::parse(json_buffer, json_buffer + buffer_size);
u64 nItems = j.size();
// printf("Items : %llu\n",nItems);
if (nItems == 0){
ctx->tryRunCircuit();
}
for (json::iterator it = j.begin(); it != j.end(); ++it) {
// std::cout << it.key() << " => " << it.value() << '\n';
u64 h = fnv1a(it.key());
std::vector<FrElement> v;
json2FrElements(it.value(),v);
uint signalSize = ctx->getInputSignalSize(h);
if (v.size() < signalSize) {
std::ostringstream errStrStream;
errStrStream << "Error loading signal " << it.key() << ": Not enough values\n";
throw std::runtime_error(errStrStream.str() );
}
if (v.size() > signalSize) {
std::ostringstream errStrStream;
errStrStream << "Error loading signal " << it.key() << ": Too many values\n";
throw std::runtime_error(errStrStream.str() );
}
for (uint i = 0; i<v.size(); i++){
try {
// std::cout << it.key() << "," << i << " => " << Fr_element2str(&(v[i])) << '\n';
ctx->setInputSignal(h,i,v[i]);
} catch (std::runtime_error e) {
std::ostringstream errStrStream;
errStrStream << "Error setting signal: " << it.key() << "\n" << e.what();
throw std::runtime_error(errStrStream.str() );
}
}
}
}
unsigned long getBinWitnessSize() {
uint Nwtns = get_size_of_witness();
return 44 + Fr_N64*8 * (Nwtns + 1);
}
char *appendBuffer(char *buffer, const void *src, unsigned long src_size) {
memcpy(buffer, src, src_size);
return buffer + src_size;
}
char *appendBuffer(char *buffer, const u32 src) {
return appendBuffer(buffer, &src, 4);
}
char *appendBuffer(char *buffer, const u64 src) {
return appendBuffer(buffer, &src, 8);
}
char *appendBuffer(char *buffer, const FrRawElement src) {
return appendBuffer(buffer, src, Fr_N64*8);
}
void storeBinWitness(Circom_CalcWit *ctx, char *buffer) {
buffer = appendBuffer(buffer, "wtns", 4);
u32 version = 2;
buffer = appendBuffer(buffer, version);
u32 nSections = 2;
buffer = appendBuffer(buffer, nSections);
// Header
u32 idSection1 = 1;
buffer = appendBuffer(buffer, idSection1);
u32 n8 = Fr_N64*8;
u64 idSection1length = 8 + n8;
buffer = appendBuffer(buffer, idSection1length);
buffer = appendBuffer(buffer, n8);
buffer = appendBuffer(buffer, Fr_q.longVal);
uint Nwtns = get_size_of_witness();
u32 nVars = (u32)Nwtns;
buffer = appendBuffer(buffer, nVars);
// Data
u32 idSection2 = 2;
buffer = appendBuffer(buffer, idSection2);
u64 idSection2length = (u64)n8*(u64)Nwtns;
buffer = appendBuffer(buffer, idSection2length);
FrElement v;
for (int i=0;i<Nwtns;i++) {
ctx->getWitness(i, &v);
Fr_toLongNormal(&v, &v);
buffer = appendBuffer(buffer, v.longVal);
}
}
int witnesscalc(
const char *circuit_buffer, unsigned long circuit_size,
const char *json_buffer, unsigned long json_size,
char *wtns_buffer, unsigned long *wtns_size,
char *error_msg, unsigned long error_msg_maxsize)
{
unsigned long witnessSize = getBinWitnessSize();
if (*wtns_size < witnessSize) {
*wtns_size = witnessSize;
return WITNESSCALC_ERROR_SHORT_BUFFER;
}
try {
std::unique_ptr<Circom_Circuit> circuit(loadCircuit(circuit_buffer, circuit_size));
std::unique_ptr<Circom_CalcWit> ctx(new Circom_CalcWit(circuit.get()));
loadJson(ctx.get(), json_buffer, json_size);
if (ctx->getRemaingInputsToBeSet() != 0) {
std::stringstream stream;
stream << "Not all inputs have been set. Only "
<< get_main_input_signal_no()-ctx->getRemaingInputsToBeSet()
<< " out of " << get_main_input_signal_no();
strncpy(error_msg, stream.str().c_str(), error_msg_maxsize);
return WITNESSCALC_ERROR;
}
storeBinWitness(ctx.get(), wtns_buffer);
*wtns_size = witnessSize;
} catch (std::exception& e) {
if (error_msg) {
strncpy(error_msg, e.what(), error_msg_maxsize);
}
return WITNESSCALC_ERROR;
} catch (std::exception *e) {
if (error_msg) {
strncpy(error_msg, e->what(), error_msg_maxsize);
}
delete e;
return WITNESSCALC_ERROR;
} catch (...) {
if (error_msg) {
strncpy(error_msg, "unknown error", error_msg_maxsize);
}
return WITNESSCALC_ERROR;
}
return WITNESSCALC_OK;
}
int witnesscalc_from_dat_file(
const char *dat_fname,
const char *json_buffer, unsigned long json_size,
char *wtns_buffer, unsigned long *wtns_size,
char *error_msg, unsigned long error_msg_maxsize)
{
std::string s(dat_fname);
FileMapLoader dat(dat_fname);
return witnesscalc(dat.buffer, dat.size, json_buffer,
json_size, wtns_buffer, wtns_size,
error_msg, error_msg_maxsize);
}
} // namespace

44
app/witnesscalc/src/witnesscalc.h Normal file
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@@ -0,0 +1,44 @@
#ifndef WITNESSCALC_H
#define WITNESSCALC_H
namespace CIRCUIT_NAME {
#define WITNESSCALC_OK 0x0
#define WITNESSCALC_ERROR 0x1
#define WITNESSCALC_ERROR_SHORT_BUFFER 0x2
/**
*
* @return error code:
* WITNESSCALC_OK - in case of success.
* WITNESSCALC_ERROR - in case of an error.
*
* On success wtns_buffer is filled with witness data and
* wtns_size contains the number bytes copied to wtns_buffer.
*
* If wtns_buffer is too small then the function returns WITNESSCALC_ERROR_SHORT_BUFFER
* and the minimum size for wtns_buffer in wtns_size.
*
*/
int
witnesscalc(
const char *circuit_buffer, unsigned long circuit_size,
const char *json_buffer, unsigned long json_size,
char *wtns_buffer, unsigned long *wtns_size,
char *error_msg, unsigned long error_msg_maxsize);
/**
* A wrapper function for `witnesscalc` that takes the circuit as a .dat file
* name instead of a buffer.
*/
int
witnesscalc_from_dat_file(
const char *dat_fname,
const char *json_buffer, unsigned long json_size,
char *wtns_buffer, unsigned long *wtns_size,
char *error_msg, unsigned long error_msg_maxsize);
} // namespace
#endif // WITNESSCALC_H

15
app/witnesscalc/src/witnesscalc_authV2.cpp Normal file
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@@ -0,0 +1,15 @@
#include "witnesscalc_authV2.h"
#include "witnesscalc.h"
int
witnesscalc_authV2(
const char *circuit_buffer, unsigned long circuit_size,
const char *json_buffer, unsigned long json_size,
char *wtns_buffer, unsigned long *wtns_size,
char *error_msg, unsigned long error_msg_maxsize)
{
return CIRCUIT_NAME::witnesscalc(circuit_buffer, circuit_size,
json_buffer, json_size,
wtns_buffer, wtns_size,
error_msg, error_msg_maxsize);
}

4
app/ios/witnesscalc_authV2.h → app/witnesscalc/src/witnesscalc_authV2.h
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@@ -33,9 +33,7 @@ witnesscalc_authV2(
#ifdef __cplusplus
}
#endif // WITNESSCALC_AUTHV2_H
#endif
#endif // WITNESSCALC_AUTHV2_H

15
app/witnesscalc/src/witnesscalc_proof_of_passport.cpp Normal file
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@@ -0,0 +1,15 @@
#include "witnesscalc_proof_of_passport.h"
#include "witnesscalc.h"
int
witnesscalc_proof_of_passport(
const char *circuit_buffer, unsigned long circuit_size,
const char *json_buffer, unsigned long json_size,
char *wtns_buffer, unsigned long *wtns_size,
char *error_msg, unsigned long error_msg_maxsize)
{
return CIRCUIT_NAME::witnesscalc(circuit_buffer, circuit_size,
json_buffer, json_size,
wtns_buffer, wtns_size,
error_msg, error_msg_maxsize);
}

39
app/witnesscalc/src/witnesscalc_proof_of_passport.h Normal file
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@@ -0,0 +1,39 @@
#ifndef WITNESSCALC_PROOFOFPASSPORT_H
#define WITNESSCALC_PROOFOFPASSPORT_H
#ifdef __cplusplus
extern "C" {
#endif
#define WITNESSCALC_OK 0x0
#define WITNESSCALC_ERROR 0x1
#define WITNESSCALC_ERROR_SHORT_BUFFER 0x2
/**
*
* @return error code:
* WITNESSCALC_OK - in case of success.
* WITNESSCALC_ERROR - in case of an error.
*
* On success wtns_buffer is filled with witness data and
* wtns_size contains the number bytes copied to wtns_buffer.
*
* If wtns_buffer is too small then the function returns WITNESSCALC_ERROR_SHORT_BUFFER
* and the minimum size for wtns_buffer in wtns_size.
*
*/
int
witnesscalc_proof_of_passport(
const char *circuit_buffer, unsigned long circuit_size,
const char *json_buffer, unsigned long json_size,
char *wtns_buffer, unsigned long *wtns_size,
char *error_msg, unsigned long error_msg_maxsize);
#ifdef __cplusplus
}
#endif
#endif // WITNESSCALC_PROOFOFPASSPORT_H

179
app/witnesscalc/testdata/authV2_input.json vendored Normal file
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@@ -0,0 +1,179 @@
{
"genesisID": "23148936466334350744548790012294489365207440754509988986684797708370051073",
"profileNonce": "10",
"authClaim": [
"80551937543569765027552589160822318028",
"0",
"4720763745722683616702324599137259461509439547324750011830105416383780791263",
"4844030361230692908091131578688419341633213823133966379083981236400104720538",
"16547485850637761685",
"0",
"0",
"0"
],
"authClaimIncMtp": [
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0"
],
"authClaimNonRevMtp": [
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
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}