import io.github.bitcoineducation.bitcoinjava.SchnorrSigner;
import org.bouncycastle.util.encoders.Hex;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
import java.math.BigInteger;
import java.util.stream.Stream;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class SchnorrSignerTest {
@ParameterizedTest
@MethodSource("signParameters")
public void sign(String secretString, String auxRandString, String messageString, String signatureString) {
BigInteger secret = new BigInteger(1, Hex.decode(secretString));
BigInteger auxRand = new BigInteger(1, Hex.decode(auxRandString));
BigInteger message = new BigInteger(1, Hex.decode(messageString));
BigInteger expectedSignature = new BigInteger(1, Hex.decode(signatureString));
assertEquals(expectedSignature, SchnorrSigner.sign(secret, message, auxRand));
}
@ParameterizedTest
@MethodSource("verifyParameters")
public void verify(String pubkeyString, String messageString, String signatureString, boolean expectedResult) {
BigInteger pubKeyX = new BigInteger(1, Hex.decode(pubkeyString));
BigInteger message = new BigInteger(1, Hex.decode(messageString));
BigInteger signature = new BigInteger(1, Hex.decode(signatureString));
assertEquals(expectedResult, SchnorrSigner.verify(pubKeyX, message, signature));
}
private static Stream signParameters() {
return Stream.of(
Arguments.of(
"0000000000000000000000000000000000000000000000000000000000000003",
"0000000000000000000000000000000000000000000000000000000000000000",
"0000000000000000000000000000000000000000000000000000000000000000",
"E907831F80848D1069A5371B402410364BDF1C5F8307B0084C55F1CE2DCA821525F66A4A85EA8B71E482A74F382D2CE5EBEEE8FDB2172F477DF4900D310536C0"
),
Arguments.of(
"B7E151628AED2A6ABF7158809CF4F3C762E7160F38B4DA56A784D9045190CFEF",
"0000000000000000000000000000000000000000000000000000000000000001",
"243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89",
"6896BD60EEAE296DB48A229FF71DFE071BDE413E6D43F917DC8DCF8C78DE33418906D11AC976ABCCB20B091292BFF4EA897EFCB639EA871CFA95F6DE339E4B0A"
),
Arguments.of(
"C90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA63B14E5C9",
"C87AA53824B4D7AE2EB035A2B5BBBCCC080E76CDC6D1692C4B0B62D798E6D906",
"7E2D58D8B3BCDF1ABADEC7829054F90DDA9805AAB56C77333024B9D0A508B75C",
"5831AAEED7B44BB74E5EAB94BA9D4294C49BCF2A60728D8B4C200F50DD313C1BAB745879A5AD954A72C45A91C3A51D3C7ADEA98D82F8481E0E1E03674A6F3FB7"
),
Arguments.of(
"0B432B2677937381AEF05BB02A66ECD012773062CF3FA2549E44F58ED2401710",
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
"7EB0509757E246F19449885651611CB965ECC1A187DD51B64FDA1EDC9637D5EC97582B9CB13DB3933705B32BA982AF5AF25FD78881EBB32771FC5922EFC66EA3"
)
);
}
private static Stream verifyParameters() {
return Stream.of(
Arguments.of(
"D69C3509BB99E412E68B0FE8544E72837DFA30746D8BE2AA65975F29D22DC7B9",
"4DF3C3F68FCC83B27E9D42C90431A72499F17875C81A599B566C9889B9696703",
"00000000000000000000003B78CE563F89A0ED9414F5AA28AD0D96D6795F9C6376AFB1548AF603B3EB45C9F8207DEE1060CB71C04E80F593060B07D28308D7F4",
true
),
Arguments.of(
"EEFDEA4CDB677750A420FEE807EACF21EB9898AE79B9768766E4FAA04A2D4A34",
"243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89",
"6CFF5C3BA86C69EA4B7376F31A9BCB4F74C1976089B2D9963DA2E5543E17776969E89B4C5564D00349106B8497785DD7D1D713A8AE82B32FA79D5F7FC407D39B",
false
),
Arguments.of(
"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659",
"243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89",
"FFF97BD5755EEEA420453A14355235D382F6472F8568A18B2F057A14602975563CC27944640AC607CD107AE10923D9EF7A73C643E166BE5EBEAFA34B1AC553E2",
false
),
Arguments.of(
"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659",
"243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89",
"1FA62E331EDBC21C394792D2AB1100A7B432B013DF3F6FF4F99FCB33E0E1515F28890B3EDB6E7189B630448B515CE4F8622A954CFE545735AAEA5134FCCDB2BD",
false
),
Arguments.of(
"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659",
"243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89",
"6CFF5C3BA86C69EA4B7376F31A9BCB4F74C1976089B2D9963DA2E5543E177769961764B3AA9B2FFCB6EF947B6887A226E8D7C93E00C5ED0C1834FF0D0C2E6DA6",
false
),
Arguments.of(
"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659",
"243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89",
"0000000000000000000000000000000000000000000000000000000000000000123DDA8328AF9C23A94C1FEECFD123BA4FB73476F0D594DCB65C6425BD186051",
false
),
Arguments.of(
"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659",
"243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89",
"00000000000000000000000000000000000000000000000000000000000000017615FBAF5AE28864013C099742DEADB4DBA87F11AC6754F93780D5A1837CF197",
false
),
Arguments.of(
"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659",
"243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89",
"4A298DACAE57395A15D0795DDBFD1DCB564DA82B0F269BC70A74F8220429BA1D69E89B4C5564D00349106B8497785DD7D1D713A8AE82B32FA79D5F7FC407D39B",
false
),
Arguments.of(
"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659",
"243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89",
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F69E89B4C5564D00349106B8497785DD7D1D713A8AE82B32FA79D5F7FC407D39B",
false
),
Arguments.of(
"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659",
"243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89",
"6CFF5C3BA86C69EA4B7376F31A9BCB4F74C1976089B2D9963DA2E5543E177769FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141",
false
),
Arguments.of(
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC30",
"243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89",
"6CFF5C3BA86C69EA4B7376F31A9BCB4F74C1976089B2D9963DA2E5543E17776969E89B4C5564D00349106B8497785DD7D1D713A8AE82B32FA79D5F7FC407D39B",
false
)
);
}
}