Short hash implementation and test, updated cbc tests as they ignored padding

multiplatform-crypto-libsodium-bindings/src/jsMain/kotlin/com/ionspin/kotlin/crypto/JsSodiumInterface.kt

@@ -26,6 +26,11 @@ interface JsSodiumInterface {
 
     fun crypto_generichash_final(state: dynamic, hashLength: Int) : Uint8Array
 
+    //Short hash
+    fun crypto_shorthash(data : Uint8Array, key: Uint8Array) : Uint8Array
+
+    fun crypto_shorthash_keygen() : Uint8Array
+
 
     fun crypto_hash_sha256_init() : dynamic
 

multiplatform-crypto-libsodium-bindings/src/jsMain/kotlin/com/ionspin/kotlin/crypto/shortinputhash/ShortHash.kt

@@ -0,0 +1,21 @@
+package com.ionspin.kotlin.crypto.shortinputhash
+
+import com.ionspin.kotlin.crypto.getSodium
+import ext.libsodium.com.ionspin.kotlin.crypto.toUByteArray
+import ext.libsodium.com.ionspin.kotlin.crypto.toUInt8Array
+
+/**
+ * Created by Ugljesa Jovanovic
+ * ugljesa.jovanovic@ionspin.com
+ * on 21-Aug-2020
+ */
+actual object ShortHash {
+    actual fun shortHash(data: UByteArray, key: UByteArray): UByteArray {
+        return getSodium().crypto_shorthash(data.toUInt8Array(), key.toUInt8Array()).toUByteArray()
+    }
+
+    actual fun shortHashKeygen(): UByteArray {
+        return getSodium().crypto_shorthash_keygen().toUByteArray()
+    }
+
+}