Exception in thread "main" java.lang.IllegalArgumentException
	at cz.crcs.ectester.common.util.ECUtil.fromX962(ECUtil.java:208)
	at cz.crcs.ectester.standalone.libs.jni.NativeECPublicKey$ANSIX962.getW(NativeECPublicKey.java:54)
	at cz.crcs.ectester.standalone.libs.jni.NativeECPublicKey$Cryptopp.getW(NativeECPublicKey.java:81)
	at cz.crcs.ectester.standalone.libs.jni.NativeECPublicKey$ANSIX962.getData(NativeECPublicKey.java:63)
	at cz.crcs.ectester.standalone.libs.jni.NativeECPublicKey$Cryptopp.getData(NativeECPublicKey.java:81)
	at cz.crcs.ectester.standalone.libs.jni.NativeSignatureSpi$SimpleSignatureSpi.engineVerify(NativeSignatureSpi.java:85)
	at java.base/java.security.Signature$Delegate.engineVerify(Signature.java:1422)
	at java.base/java.security.Signature.verify(Signature.java:790)
	at cz.crcs.ectester.standalone.ECTesterStandalone.ecdsa(ECTesterStandalone.java:780)
	at cz.crcs.ectester.standalone.ECTesterStandalone.run(ECTesterStandalone.java:201)
	at cz.crcs.ectester.standalone.ECTesterStandalone.main(ECTesterStandalone.java:1052)