1 files changed, 6 insertions, 6 deletions
diff --git a/wallet/src/commonMain/kotlin/net/taler/lib/crypto/Crypto.kt b/wallet/src/commonMain/kotlin/net/taler/lib/crypto/Crypto.kt
index 7ca2ba8..39a2014 100644
--- a/wallet/src/commonMain/kotlin/net/taler/lib/crypto/Crypto.kt
+++ b/wallet/src/commonMain/kotlin/net/taler/lib/crypto/Crypto.kt
@@ -36,13 +36,13 @@ internal interface Crypto {
     fun setupRefreshPlanchet(secretSeed: ByteArray, coinNumber: Int): FreshCoin
 }
 
-interface HashSha512State {
+internal interface HashSha512State {
     fun update(data: ByteArray): HashSha512State
     fun final(): ByteArray
 }
-class EddsaKeyPair(val privateKey: ByteArray, val publicKey: ByteArray)
-class EcdheKeyPair(val privateKey: ByteArray, val publicKey: ByteArray)
-data class FreshCoin(val coinPublicKey: ByteArray, val coinPrivateKey: ByteArray, val bks: ByteArray) {
+internal class EddsaKeyPair(val privateKey: ByteArray, val publicKey: ByteArray)
+internal class EcdheKeyPair(val privateKey: ByteArray, val publicKey: ByteArray)
+internal data class FreshCoin(val coinPublicKey: ByteArray, val coinPrivateKey: ByteArray, val bks: ByteArray) {
     override fun equals(other: Any?): Boolean {
         if (this === other) return true
         if (other == null || this::class != other::class) return false
@@ -67,12 +67,12 @@ internal expect object CryptoFactory {
 
 private val hexArray = arrayOf('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f')
 
-fun ByteArray.toHexString(): String {
+public fun ByteArray.toHexString(): String {
     val hexChars = CharArray(this.size * 2)
     for (j in this.indices) {
         val v = (this[j].toInt() and 0xFF)
         hexChars[j * 2] = hexArray[v ushr 4]
         hexChars[j * 2 + 1] = hexArray[v and 0x0F]
     }
-    return String(hexChars)
+    return hexChars.concatToString()
 }