Unit tests that were used in the XWallet app

Wallet verification unit tests.kt

import io.scintillamlabs.swallet.crypto.CryptoUtils
import io.scintillamlabs.swallet.crypto.CryptoUtils.SHA256Hex
import io.scintillamlabs.swallet.crypto.CryptoUtils.getPrivateKeyFromHex
import io.scintillamlabs.swallet.crypto.CryptoUtils.getPublicKeyFromHex
import io.scintillamlabs.swallet.utility.toHex
import org.junit.Assert.assertEquals
import org.junit.Assert.assertNotEquals
import org.junit.Test
import org.spongycastle.jce.provider.BouncyCastleProvider
import org.spongycastle.util.encoders.Hex
import java.security.Security

/**
 * Created by eddylloyd on  12/30/17.
 * Saturday  11:11 PM
 */

class CryptoUtilityTests {
    init {
        Security.addProvider(BouncyCastleProvider())
    }
    @Test
    fun verifySignatureShouldPass() {
        val vSig = CryptoUtils.verifySignature(
                pubKeyHex = "3056301006072a8648ce3d020106052b8104000a03420004111c75eb8a908f13c7ddf23d439e79ee599c701a9cb8a77c533a3a53d1a0bfbbe30406aff91a635b089c49071b613c08d73a85bacfb6dcb6729ad82dda9ff8e7",
                signatureHex = "3046022100ea4d8dba900b06e33db46dcf88c026b37778b1aebe0eb8e3adefbd6cc930a4e9022100c46e31e8fd07183fb81a9066b275c0a94888fb02da1e4f855dad1cb1b889c3c1",
                hexData = "c8ed5e65713f8170b8d0769a8ed8c35740ba0b706d5856e22d709be1e001cf8c"
        )
       assertEquals(true, vSig)
    }

    @Test
    fun verifySignatureShouldNotPass() {
        val vSig = CryptoUtils.verifySignature(
                pubKeyHex = "3056301006072a8648ce3d020106052b8104000a03420004111c75eb8a908f13c7ddf23d439e79ee599c701a9cb8a77c533a3a53d1a0bfbbe30406aff91a635b089c49071b613c08d73a85bacfb6dcb6729ad82dda9ff8e7",
                signatureHex = "0046022100ea4d8dba900b06e33db46dcf88c026b37778b1aebe0eb8e3adefbd6cc930a4e9022100c46e31e8fd07183fb81a9066b275c0a94888fb02da1e4f855dad1cb1b889c3c1",
                hexData = "c8ed5e65713f8170b8d0769a8ed8c35740ba0b706d5856e22d709be1e001cf8c"
        )
        assertEquals(false, vSig)
    }

    @Test
    fun SHA256Tests () {
       assertEquals(
               (CryptoUtils.SHA256("Hello".toByteArray())).toHex(),
                Hex.toHexString(CryptoUtils.SHA256("Hello".toByteArray()))
        )

       assertNotEquals(
               (CryptoUtils.SHA256("Hello".toByteArray())),
              (CryptoUtils.SHA256("Hello !".toByteArray()))
        )
    }

    @Test
    fun keyGeneration () {
        val keyPair = CryptoUtils.generateKeyPair()
        val privateKey = keyPair.first
        val pubKey = keyPair.second
        val address = CryptoUtils.getAddressFromPubKey(pubKey)

        print("pvk: $privateKey \npb : $pubKey\n")

        val message = SHA256Hex("Hi".toByteArray())

        val signature = CryptoUtils.signMessage(message, privateKey)

        print("signature: $signature")

       assertEquals(
                CryptoUtils.verifySignature(pubKey, signature, message),
                true
        )
    }

    @Test
    fun keysRecovery () {
        val keyPair = CryptoUtils.generateKeyPair()
        val privateKeyHex = keyPair.first
        val pubKeyHex = keyPair.second


        val ecPrivateKey = getPrivateKeyFromHex(privateKeyHex)

       assertEquals(
                ecPrivateKey.d.toString(16),
                privateKeyHex
        )

        val ecPubKey = getPublicKeyFromHex(pubKeyHex)


       assertEquals(
                ecPubKey.encoded.toHex(),
                pubKeyHex
        )
    }



    @Test
    fun signingTests() {

        val message = "82a3c4126adc656bc2cbcc501ed83bfb15ed48341ca1fa9bbcb6f36eccdf5d41"

        val privateKey = "ec67a6f6aa475d0e696f66b24f6105c9eeb152100733b08ffeed4053c25ccb64"


        val signature = CryptoUtils.signMessage(message, privateKey)

        print("signature: $signature")
    }




}