package org.bitcoin;
import com.google.common.io.BaseEncoding;
import java.util.Arrays;
import java.math.BigInteger;
import javax.xml.bind.DatatypeConverter;
import static org.bitcoin.NativeSecp256k1Util.*;
/**
* This class holds test cases defined for testing this library.
*/
public class NativeSecp256k1Test {
//TODO improve comments/add more tests
/**
* This tests verify() for a valid signature
*/
public static void testVerifyPos() throws AssertFailException{
boolean result = false;
byte[] data = BaseEncoding.base16().lowerCase().decode("CF80CD8AED482D5D1527D7DC72FCEFF84E6326592848447D2DC0B0E87DFC9A90".toLowerCase()); //sha256hash of "testing"
byte[] sig = BaseEncoding.base16().lowerCase().decode("3044022079BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F817980220294F14E883B3F525B5367756C2A11EF6CF84B730B36C17CB0C56F0AAB2C98589".toLowerCase());
byte[] pub = BaseEncoding.base16().lowerCase().decode("040A629506E1B65CD9D2E0BA9C75DF9C4FED0DB16DC9625ED14397F0AFC836FAE595DC53F8B0EFE61E703075BD9B143BAC75EC0E19F82A2208CAEB32BE53414C40".toLowerCase());
result = NativeSecp256k1.verify( data, sig, pub);
assertEquals( result, true , "testVerifyPos");
}
/**
* This tests verify() for a non-valid signature
*/
public static void testVerifyNeg() throws AssertFailException{
boolean result = false;
byte[] data = BaseEncoding.base16().lowerCase().decode("CF80CD8AED482D5D1527D7DC72FCEFF84E6326592848447D2DC0B0E87DFC9A91".toLowerCase()); //sha256hash of "testing"
byte[] sig = BaseEncoding.base16().lowerCase().decode("3044022079BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F817980220294F14E883B3F525B5367756C2A11EF6CF84B730B36C17CB0C56F0AAB2C98589".toLowerCase());
byte[] pub = BaseEncoding.base16().lowerCase().decode("040A629506E1B65CD9D2E0BA9C75DF9C4FED0DB16DC9625ED14397F0AFC836FAE595DC53F8B0EFE61E703075BD9B143BAC75EC0E19F82A2208CAEB32BE53414C40".toLowerCase());
result = NativeSecp256k1.verify( data, sig, pub);
//System.out.println(" TEST " + new BigInteger(1, resultbytes).toString(16));
assertEquals( result, false , "testVerifyNeg");
}
/**
* This tests secret key verify() for a valid secretkey
*/
public static void testSecKeyVerifyPos() throws AssertFailException{
boolean result = false;
byte[] sec = BaseEncoding.base16().lowerCase().decode("67E56582298859DDAE725F972992A07C6C4FB9F62A8FFF58CE3CA926A1063530".toLowerCase());
result = NativeSecp256k1.secKeyVerify( sec );
//System.out.println(" TEST " + new BigInteger(1, resultbytes).toString(16));
assertEquals( result, true , "testSecKeyVerifyPos");
}
/**
* This tests secret key verify() for a invalid secretkey
*/
public static void testSecKeyVerifyNeg() throws AssertFailException{
boolean result = false;
byte[] sec = BaseEncoding.base16().lowerCase().decode("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF".toLowerCase());
result = NativeSecp256k1.secKeyVerify( sec );
//System.out.println(" TEST " + new BigInteger(1, resultbytes).toString(16));
assertEquals( result, false , "testSecKeyVerifyNeg");
}
/**
* This tests public key create() for a valid secretkey
*/
public static void testPubKeyCreatePos() throws AssertFailException{
byte[] sec = BaseEncoding.base16().lowerCase().decode("67E56582298859DDAE725F972992A07C6C4FB9F62A8FFF58CE3CA926A1063530".toLowerCase());
byte[] resultArr = NativeSecp256k1.computePubkey( sec);
String pubkeyString = javax.xml.bind.DatatypeConverter.printHexBinary(resultArr);
assertEquals( pubkeyString , "04C591A8FF19AC9C4E4E5793673B83123437E975285E7B442F4EE2654DFFCA5E2D2103ED494718C697AC9AEBCFD19612E224DB46661011863ED2FC54E71861E2A6" , "testPubKeyCreatePos");
}
/**
* This tests public key create() for a invalid secretkey
*/
public static void testPubKeyCreateNeg() throws AssertFailException{
byte[] sec = BaseEncoding.base16().lowerCase().decode("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF".toLowerCase());
byte[] resultArr = NativeSecp256k1.computePubkey( sec);
String pubkeyString = javax.xml.bind.DatatypeConverter.printHexBinary(resultArr);
assertEquals( pubkeyString, "" , "testPubKeyCreateNeg");
}
/**
* This tests sign() for a valid secretkey
*/
public static void testSignPos() throws AssertFailException{
byte[] data = BaseEncoding.base16().lowerCase().decode("CF80CD8AED482D5D1527D7DC72FCEFF84E6326592848447D2DC0B0E87DFC9A90".toLowerCase()); //sha256hash of "testing"
byte[] sec = BaseEncoding.base16().lowerCase().decode("67E56582298859DDAE725F972992A07C6C4FB9F62A8FFF58CE3CA926A1063530".toLowerCase());
byte[] resultArr = NativeSecp256k1.sign(data, sec);
String sigString = javax.xml.bind.DatatypeConverter.printHexBinary(resultArr);
assertEquals( sigString, "30440220182A108E1448DC8F1FB467D06A0F3BB8EA0533584CB954EF8DA112F1D60E39A202201C66F36DA211C087F3AF88B50EDF4F9BDAA6CF5FD6817E74DCA34DB12390C6E9" , "testSignPos");
}
/**
* This tests sign() for a invalid secretkey
*/
public static void testSignNeg() throws AssertFailException{
byte[] data = BaseEncoding.base16().lowerCase().decode("CF80CD8AED482D5D1527D7DC72FCEFF84E6326592848447D2DC0B0E87DFC9A90".toLowerCase()); //sha256hash of "testing"
byte[] sec = BaseEncoding.base16().lowerCase().decode("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF".toLowerCase());
byte[] resultArr = NativeSecp256k1.sign(data, sec);
String sigString = javax.xml.bind.DatatypeConverter.printHexBinary(resultArr);
assertEquals( sigString, "" , "testSignNeg");
}
/**
* This tests private key tweak-add
*/
public static void testPrivKeyTweakAdd_1() throws AssertFailException {
byte[] sec = BaseEncoding.base16().lowerCase().decode("67E56582298859DDAE725F972992A07C6C4FB9F62A8FFF58CE3CA926A1063530".toLowerCase());
byte[] data = BaseEncoding.base16().lowerCase().decode("3982F19BEF1615BCCFBB05E321C10E1D4CBA3DF0E841C2E41EEB6016347653C3".toLowerCase()); //sha256hash of "tweak"
byte[] resultArr = NativeSecp256k1.privKeyTweakAdd( sec , data );
String sigString = javax.xml.bind.DatatypeConverter.printHexBinary(resultArr);
assertEquals( sigString , "A168571E189E6F9A7E2D657A4B53AE99B909F7E712D1C23CED28093CD57C88F3" , "testPrivKeyAdd_1");
}
/**
* This tests private key tweak-mul
*/
public static void testPrivKeyTweakMul_1() throws AssertFailException {
byte[] sec = BaseEncoding.base16().lowerCase().decode("67E56582298859DDAE725F972992A07C6C4FB9F62A8FFF58CE3CA926A1063530".toLowerCase());
byte[] data = BaseEncoding.base16().lowerCase().decode("3982F19BEF1615BCCFBB05E321C10E1D4CBA3DF0E841C2E41EEB6016347653C3".toLowerCase()); //sha256hash of "tweak"
byte[] resultArr = NativeSecp256k1.privKeyTweakMul( sec , data );
String sigString = javax.xml.bind.DatatypeConverter.printHexBinary(resultArr);
assertEquals( sigString , "97F8184235F101550F3C71C927507651BD3F1CDB4A5A33B8986ACF0DEE20FFFC" , "testPrivKeyMul_1");
}
/**
* This tests private key tweak-add uncompressed
*/
public static void testPrivKeyTweakAdd_2() throws AssertFailException {
byte[] pub = BaseEncoding.base16().lowerCase().decode("040A629506E1B65CD9D2E0BA9C75DF9C4FED0DB16DC9625ED14397F0AFC836FAE595DC53F8B0EFE61E703075BD9B143BAC75EC0E19F82A2208CAEB32BE53414C40".toLowerCase());
byte[] data = BaseEncoding.base16().lowerCase().decode("3982F19BEF1615BCCFBB05E321C10E1D4CBA3DF0E841C2E41EEB6016347653C3".toLowerCase()); //sha256hash of "tweak"
byte[] resultArr = NativeSecp256k1.pubKeyTweakAdd( pub , data );
String sigString = javax.xml.bind.DatatypeConverter.printHexBinary(resultArr);
assertEquals( sigString , "0411C6790F4B663CCE607BAAE08C43557EDC1A4D11D88DFCB3D841D0C6A941AF525A268E2A863C148555C48FB5FBA368E88718A46E205FABC3DBA2CCFFAB0796EF" , "testPrivKeyAdd_2");
}
/**
* This tests private key tweak-mul uncompressed
*/
public static void testPrivKeyTweakMul_2() throws AssertFailException {
byte[] pub = BaseEncoding.base16().lowerCase().decode("040A629506E1B65CD9D2E0BA9C75DF9C4FED0DB16DC9625ED14397F0AFC836FAE595DC53F8B0EFE61E703075BD9B143BAC75EC0E19F82A2208CAEB32BE53414C40".toLowerCase());
byte[] data = BaseEncoding.base16().lowerCase().decode("3982F19BEF1615BCCFBB05E321C10E1D4CBA3DF0E841C2E41EEB6016347653C3".toLowerCase()); //sha256hash of "tweak"
byte[] resultArr = NativeSecp256k1.pubKeyTweakMul( pub , data );
String sigString = javax.xml.bind.DatatypeConverter.printHexBinary(resultArr);
assertEquals( sigString , "04E0FE6FE55EBCA626B98A807F6CAF654139E14E5E3698F01A9A658E21DC1D2791EC060D4F412A794D5370F672BC94B722640B5F76914151CFCA6E712CA48CC589" , "testPrivKeyMul_2");
}
/**
* This tests seed randomization
*/
public static void testRandomize() throws AssertFailException {
byte[] seed = BaseEncoding.base16().lowerCase().decode("A441B15FE9A3CF56661190A0B93B9DEC7D04127288CC87250967CF3B52894D11".toLowerCase()); //sha256hash of "random"
boolean result = NativeSecp256k1.randomize(seed);
assertEquals( result, true, "testRandomize");
}
public static void testCreateECDHSecret() throws AssertFailException{
byte[] sec = BaseEncoding.base16().lowerCase().decode("67E56582298859DDAE725F972992A07C6C4FB9F62A8FFF58CE3CA926A1063530".toLowerCase());
byte[] pub = BaseEncoding.base16().lowerCase().decode("040A629506E1B65CD9D2E0BA9C75DF9C4FED0DB16DC9625ED14397F0AFC836FAE595DC53F8B0EFE61E703075BD9B143BAC75EC0E19F82A2208CAEB32BE53414C40".toLowerCase());
byte[] resultArr = NativeSecp256k1.createECDHSecret(sec, pub);
String ecdhString = javax.xml.bind.DatatypeConverter.printHexBinary(resultArr);
assertEquals( ecdhString, "2A2A67007A926E6594AF3EB564FC74005B37A9C8AEF2033C4552051B5C87F043" , "testCreateECDHSecret");
}
public static void main(String[] args) throws AssertFailException{
System.out.println("\n libsecp256k1 enabled: " + Secp256k1Context.isEnabled() + "\n");
assertEquals( Secp256k1Context.isEnabled(), true, "isEnabled" );
//Test verify() success/fail
testVerifyPos();
testVerifyNeg();
//Test secKeyVerify() success/fail
testSecKeyVerifyPos();
testSecKeyVerifyNeg();
//Test computePubkey() success/fail
testPubKeyCreatePos();
testPubKeyCreateNeg();
//Test sign() success/fail
testSignPos();
testSignNeg();
//Test privKeyTweakAdd() 1
testPrivKeyTweakAdd_1();
//Test privKeyTweakMul() 2
testPrivKeyTweakMul_1();
//Test privKeyTweakAdd() 3
testPrivKeyTweakAdd_2();
//Test privKeyTweakMul() 4
testPrivKeyTweakMul_2();
//Test randomize()
testRandomize();
//Test ECDH
testCreateECDHSecret();
NativeSecp256k1.cleanup();
System.out.println(" All tests passed." );
}
}