Fixed some of the errors spotted in various aes implementation while doing cryptopals challenge, anyways they were unused. Added multipart generic hash (blake2b) native implementation

multiplatform-crypto-libsodium-bindings/src/commonMain/kotlin/com.ionspin.kotlin.crypto/generichash/GenericHashing.kt

@@ -5,6 +5,22 @@ package com.ionspin.kotlin.crypto.generichash
  * ugljesa.jovanovic@ionspin.com
  * on 21-Aug-2020
  */
+
+data class GenericHashState(val hashLength: Int, val state: GenericHashStateInternal)
+
+expect class GenericHashStateInternal
+
 expect object GenericHashing {
+
+
+
+
     fun genericHash(message : UByteArray, requestedHashLength: Int, key : UByteArray? = null) : UByteArray
+
+    fun genericHashInit(requestedHashLength: Int, key : UByteArray? = null) : GenericHashState
+    fun genericHashUpdate(state: GenericHashState, messagePart : UByteArray)
+    fun genericHashFinal(state : GenericHashState) : UByteArray
+
 }
+
+