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Federico2014Federico2014
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Merge pull request #408 from tronprotocol/feature/add_native_sign_and_keygen
Sign and generate keys natively for shielded transaction
2 parents 54faa67 + b7a8bd3 commit 924b89a

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‎README.md‎

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@@ -1934,10 +1934,10 @@ ivk
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> The ivk of shielded address
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ak
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> The ak of shielded address
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> The ak of shielded address. Please set this field to null, if you don't care whether the notes are spent or not.
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nk
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> The nk of shielded address
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> The nk of shielded address. Please set this field to null, if you don't care whether the notes are spent or not.
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startNum
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> The starting block number of the scan

‎build.gradle‎

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@@ -20,6 +20,7 @@ compileJava.options*.compilerArgs = [
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repositories {
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mavenLocal()
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mavenCentral()
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maven { url 'https://jitpack.io' }
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}
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sourceSets {
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compile group: 'org.projectlombok', name: 'lombok', version: '1.18.2'
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compile group: 'org.jline', name: 'jline', version: '3.15.0'
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compile 'com.github.tronprotocol:zksnark-java-sdk:master-SNAPSHOT'
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}
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protobuf {

‎src/main/java/org/tron/common/zksnark/JLibrustzcash.java‎

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package org.tron.common.zksnark;
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import org.tron.common.zksnark.LibrustzcashParam.BindingSigParams;
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import org.tron.common.zksnark.LibrustzcashParam.CheckOutputNewParams;
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import org.tron.common.zksnark.LibrustzcashParam.CheckOutputParams;
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import org.tron.common.zksnark.LibrustzcashParam.CheckSpendNewParams;
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import org.tron.common.zksnark.LibrustzcashParam.CheckSpendParams;
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import org.tron.common.zksnark.LibrustzcashParam.ComputeCmParams;
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import org.tron.common.zksnark.LibrustzcashParam.ComputeNfParams;
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import org.tron.common.zksnark.LibrustzcashParam.CrhIvkParams;
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import org.tron.common.zksnark.LibrustzcashParam.FinalCheckNewParams;
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import org.tron.common.zksnark.LibrustzcashParam.FinalCheckParams;
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import org.tron.common.zksnark.LibrustzcashParam.InitZksnarkParams;
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import org.tron.common.zksnark.LibrustzcashParam.IvkToPkdParams;
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import org.tron.common.zksnark.LibrustzcashParam.KaAgreeParams;
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import org.tron.common.zksnark.LibrustzcashParam.KaDerivepublicParams;
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import org.tron.common.zksnark.LibrustzcashParam.MerkleHashParams;
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import org.tron.common.zksnark.LibrustzcashParam.OutputProofParams;
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import org.tron.common.zksnark.LibrustzcashParam.SpendProofParams;
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import org.tron.common.zksnark.LibrustzcashParam.SpendSigParams;
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import org.tron.core.exception.ZksnarkException;
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public class JLibrustzcash {
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private static Librustzcash INSTANCE = LibrustzcashWrapper.getInstance();
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public static void librustzcashInitZksnarkParams(InitZksnarkParams params) {
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INSTANCE.librustzcashInitZksnarkParams(params.getSpend_path(),
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params.getSpend_hash(), params.getOutput_path(), params.getOutput_hash());
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}
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public static void librustzcashCrhIvk(CrhIvkParams params) {
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INSTANCE.librustzcashCrhIvk(params.getAk(), params.getNk(), params.getIvk());
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}
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public static boolean librustzcashKaAgree(KaAgreeParams params) {
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return INSTANCE.librustzcashSaplingKaAgree(params.getP(), params.getSk(), params.getResult());
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}
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public static boolean librustzcashComputeCm(ComputeCmParams params) {
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return INSTANCE.librustzcashSaplingComputeCm(params.getD(), params.getPkD(),
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params.getValue(), params.getR(), params.getCm());
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}
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public static boolean librustzcashComputeNf(ComputeNfParams params) {
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INSTANCE.librustzcashSaplingComputeNf(params.getD(), params.getPkD(), params.getValue(),
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params.getR(), params.getAk(), params.getNk(), params.getPosition(), params.getResult());
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return true;
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}
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/**
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* @param ask the spend authorizing key,to generate ak, 32 bytes
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* @return ak 32 bytes
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*/
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public static byte[] librustzcashAskToAk(byte[] ask) throws ZksnarkException {
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LibrustzcashParam.valid32Params(ask);
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byte[] ak = new byte[32];
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INSTANCE.librustzcashAskToAk(ask, ak);
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return ak;
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}
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/**
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* @param nsk the proof authorizing key, to generate nk, 32 bytes
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* @return 32 bytes
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*/
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public static byte[] librustzcashNskToNk(byte[] nsk) throws ZksnarkException {
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LibrustzcashParam.valid32Params(nsk);
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byte[] nk = new byte[32];
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INSTANCE.librustzcashNskToNk(nsk, nk);
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return nk;
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}
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// void librustzcash_nsk_to_nk(const unsigned char *nsk, unsigned char *result);
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/**
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* @return r: random number, less than r_J, 32 bytes
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*/
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public static byte[] librustzcashSaplingGenerateR(byte[] r) throws ZksnarkException {
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LibrustzcashParam.valid32Params(r);
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INSTANCE.librustzcashSaplingGenerateR(r);
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return r;
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}
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public static boolean librustzcashSaplingKaDerivepublic(KaDerivepublicParams params) {
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return INSTANCE.librustzcashSaplingKaDerivepublic(params.getDiversifier(), params.getEsk(),
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params.getResult());
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}
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public static long librustzcashSaplingProvingCtxInit() {
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return INSTANCE.librustzcashSaplingProvingCtxInit();
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}
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/**
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* check validity of d
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*
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* @param d 11 bytes
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*/
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public static boolean librustzcashCheckDiversifier(byte[] d) throws ZksnarkException {
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LibrustzcashParam.valid11Params(d);
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return INSTANCE.librustzcashCheckDiversifier(d);
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}
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public static boolean librustzcashSaplingSpendProof(SpendProofParams params) {
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return INSTANCE.librustzcashSaplingSpendProof(params.getCtx(), params.getAk(),
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params.getNsk(), params.getD(), params.getR(), params.getAlpha(), params.getValue(),
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params.getAnchor(), params.getVoucherPath(), params.getCv(), params.getRk(),
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params.getZkproof());
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}
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public static boolean librustzcashSaplingOutputProof(OutputProofParams params) {
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return INSTANCE.librustzcashSaplingOutputProof(params.getCtx(), params.getEsk(),
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params.getD(), params.getPkD(), params.getR(), params.getValue(), params.getCv(),
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params.getZkproof());
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}
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public static boolean librustzcashSaplingSpendSig(SpendSigParams params) {
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return INSTANCE.librustzcashSaplingSpendSig(params.getAsk(), params.getAlpha(),
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params.getSigHash(), params.getResult());
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}
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public static boolean librustzcashSaplingBindingSig(BindingSigParams params) {
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return INSTANCE.librustzcashSaplingBindingSig(params.getCtx(),
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params.getValueBalance(), params.getSighash(), params.getResult());
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}
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/**
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* convert value to 32-byte scalar
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*
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* @param value 64 bytes
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* @param data 32 bytes
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*/
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public static void librustzcashToScalar(byte[] value, byte[] data) throws ZksnarkException {
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LibrustzcashParam.validParamLength(value, 64);
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LibrustzcashParam.valid32Params(data);
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INSTANCE.librustzcashToScalar(value, data);
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}
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public static void librustzcashSaplingProvingCtxFree(long ctx) {
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INSTANCE.librustzcashSaplingProvingCtxFree(ctx);
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}
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public static long librustzcashSaplingVerificationCtxInit() {
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return INSTANCE.librustzcashSaplingVerificationCtxInit();
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}
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public static boolean librustzcashSaplingCheckSpend(CheckSpendParams params) {
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return INSTANCE.librustzcashSaplingCheckSpend(params.getCtx(), params.getCv(),
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params.getAnchor(), params.getNullifier(), params.getRk(), params.getZkproof(),
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params.getSpendAuthSig(), params.getSighashValue());
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}
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public static boolean librustzcashSaplingCheckOutput(CheckOutputParams params) {
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return INSTANCE.librustzcashSaplingCheckOutput(params.getCtx(), params.getCv(),
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params.getCm(), params.getEphemeralKey(), params.getZkproof());
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}
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public static boolean librustzcashSaplingFinalCheck(FinalCheckParams params) {
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return INSTANCE.librustzcashSaplingFinalCheck(params.getCtx(),
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params.getValueBalance(), params.getBindingSig(), params.getSighashValue());
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}
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public static boolean librustzcashSaplingCheckSpendNew(CheckSpendNewParams params) {
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return INSTANCE.librustzcashSaplingCheckSpendNew(params.getCv(),
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params.getAnchor(), params.getNullifier(), params.getRk(), params.getZkproof(),
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params.getSpendAuthSig(), params.getSighashValue());
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}
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public static boolean librustzcashSaplingCheckOutputNew(CheckOutputNewParams params) {
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return INSTANCE.librustzcashSaplingCheckOutputNew(params.getCv(), params.getCm(),
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params.getEphemeralKey(), params.getZkproof());
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}
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public static boolean librustzcashSaplingFinalCheckNew(FinalCheckNewParams params) {
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return INSTANCE
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.librustzcashSaplingFinalCheckNew(params.getValueBalance(), params.getBindingSig(),
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params.getSighashValue(), params.getSpendCv(), params.getSpendCvLen(),
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params.getOutputCv(), params.getOutputCvLen());
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}
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public static void librustzcashSaplingVerificationCtxFree(long ctx) {
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INSTANCE.librustzcashSaplingVerificationCtxFree(ctx);
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}
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public static boolean librustzcashIvkToPkd(IvkToPkdParams params) {
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return INSTANCE.librustzcashIvkToPkd(params.getIvk(), params.getD(), params.getPkD());
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}
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public static void librustzcashMerkleHash(MerkleHashParams params) {
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INSTANCE.librustzcashMerkleHash(params.getDepth(), params.getA(), params.getB(),
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params.getResult());
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}
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/**
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* @param result uncommitted value, 32 bytes
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*/
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public static void librustzcashTreeUncommitted(byte[] result) throws ZksnarkException {
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LibrustzcashParam.valid32Params(result);
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INSTANCE.librustzcashTreeUncommitted(result);
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}
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}

‎src/main/java/org/tron/common/zksnark/JLibsodium.java‎

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package org.tron.common.zksnark;
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import org.tron.common.zksnark.JLibsodiumParam.Black2bSaltPersonalParams;
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import org.tron.common.zksnark.JLibsodiumParam.Blake2bFinalParams;
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import org.tron.common.zksnark.JLibsodiumParam.Blake2bInitSaltPersonalParams;
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import org.tron.common.zksnark.JLibsodiumParam.Blake2bUpdateParams;
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import org.tron.common.zksnark.JLibsodiumParam.Chacha20Poly1305IetfEncryptParams;
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import org.tron.common.zksnark.JLibsodiumParam.Chacha20poly1305IetfDecryptParams;
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public class JLibsodium {
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public static final int CRYPTO_GENERICHASH_BLAKE2B_PERSONALBYTES = 16;
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public static final int CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES = 12;
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private static Libsodium INSTANCE = LibsodiumWrapper.getInstance();
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public static int cryptoGenerichashBlake2bInitSaltPersonal(Blake2bInitSaltPersonalParams params) {
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return INSTANCE
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.cryptoGenerichashBlake2BInitSaltPersonal(params.getState(), params.getKey(),
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params.getKeyLen(), params.getOutLen(), params.getSalt(), params.getPersonal());
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}
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public static int cryptoGenerichashBlake2bUpdate(Blake2bUpdateParams params) {
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return INSTANCE
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.cryptoGenerichashBlake2BUpdate(params.getState(), params.getIn(), params.getInLen());
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}
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public static int cryptoGenerichashBlake2bFinal(Blake2bFinalParams params) {
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return INSTANCE.cryptoGenerichashBlake2BFinal(params.getState(),
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params.getOut(), params.getOutLen());
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}
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public static int cryptoGenerichashBlack2bSaltPersonal(Black2bSaltPersonalParams params) {
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return INSTANCE.cryptoGenerichashBlake2BSaltPersonal(params.getOut(), params.getOutLen(),
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params.getIn(), params.getInLen(), params.getKey(), params.getKeyLen(),
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params.getSalt(),
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params.getPersonal());
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}
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public static int cryptoAeadChacha20poly1305IetfDecrypt(
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Chacha20poly1305IetfDecryptParams params) {
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return INSTANCE
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.cryptoAeadChacha20Poly1305IetfDecrypt(params.getM(), params.getMLenP(),
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params.getNSec(),
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params.getC(), params.getCLen(), params.getAd(),
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params.getAdLen(), params.getNPub(), params.getK());
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}
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public static int cryptoAeadChacha20Poly1305IetfEncrypt(
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Chacha20Poly1305IetfEncryptParams params) {
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return INSTANCE
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.cryptoAeadChacha20Poly1305IetfEncrypt(params.getC(), params.getCLenP(), params.getM(),
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params.getMLen(), params.getAd(), params.getAdLen(),
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params.getNSec(), params.getNPub(), params.getK());
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}
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public static long initState() {
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return INSTANCE.cryptoGenerichashBlake2BStateInit();
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}
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public static void freeState(long state) {
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INSTANCE.cryptoGenerichashBlake2BStateFree(state);
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}
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}

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