Completed crypto auth and added tests

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

@@ -91,6 +91,20 @@ interface JsSodiumInterface {
 
     // ---- AEAD end ----
 
+    // ---- Auth ----
+
+    fun crypto_auth(message: Uint8Array, key: Uint8Array) : Uint8Array
+    fun crypto_auth_keygen() : Uint8Array
+    fun crypto_auth_verify(tag: Uint8Array, message: Uint8Array, key: Uint8Array) : Boolean
+    fun crypto_auth_hmacsha256(message: Uint8Array, key: Uint8Array) : Uint8Array
+    fun crypto_auth_hmacsha256_keygen() : Uint8Array
+    fun crypto_auth_hmacsha256_verify(tag: Uint8Array, message: Uint8Array, key: Uint8Array) : Boolean
+    fun crypto_auth_hmacsha512(message: Uint8Array, key: Uint8Array) : Uint8Array
+    fun crypto_auth_hmacsha512_keygen() : Uint8Array
+    fun crypto_auth_hmacsha512_verify(tag: Uint8Array, message: Uint8Array, key: Uint8Array) : Boolean
+
+    // ---- Auth end ----
+
     //util
     fun memzero(array: Uint8Array)
 

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

@@ -1,24 +1,40 @@
 package com.ionspin.kotlin.crypto.auth
 
+import com.ionspin.kotlin.crypto.getSodium
+import ext.libsodium.com.ionspin.kotlin.crypto.toUByteArray
+import ext.libsodium.com.ionspin.kotlin.crypto.toUInt8Array
+import org.khronos.webgl.Uint8Array
+
 actual object Auth {
     actual fun authKeygen(): UByteArray {
-        TODO("not implemented yet")
+        return getSodium().crypto_auth_keygen().toUByteArray()
     }
 
     actual fun auth(message: UByteArray, key: UByteArray): UByteArray {
-        TODO("not implemented yet")
+        return getSodium().crypto_auth(
+            message.toUInt8Array(),
+            key.toUInt8Array()
+        ).toUByteArray()
+
     }
 
     actual fun authVerify(mac: UByteArray, message: UByteArray, key: UByteArray): Boolean {
-        TODO("not implemented yet")
+        return getSodium().crypto_auth_verify(
+            mac.toUInt8Array(),
+            message.toUInt8Array(),
+            key.toUInt8Array()
+        )
     }
 
     actual fun authHmacSha256Keygen(): UByteArray {
-        TODO("not implemented yet")
+        return getSodium().crypto_auth_hmacsha256_keygen().toUByteArray()
     }
 
     actual fun authHmacSha256(message: UByteArray, key: UByteArray): UByteArray {
-        TODO("not implemented yet")
+        return getSodium().crypto_auth_hmacsha256(
+            message.toUInt8Array(),
+            key.toUInt8Array()
+        ).toUByteArray()
     }
 
     actual fun authHmacSha256Verify(
@@ -26,15 +42,22 @@ actual object Auth {
         message: UByteArray,
         key: UByteArray
     ): Boolean {
-        TODO("not implemented yet")
+        return getSodium().crypto_auth_hmacsha256_verify(
+            mac.toUInt8Array(),
+            message.toUInt8Array(),
+            key.toUInt8Array()
+        )
     }
 
     actual fun authHmacSha512Keygen(): UByteArray {
-        TODO("not implemented yet")
+        return getSodium().crypto_auth_hmacsha512_keygen().toUByteArray()
     }
 
     actual fun authHmacSha512(message: UByteArray, key: UByteArray): UByteArray {
-        TODO("not implemented yet")
+        return getSodium().crypto_auth_hmacsha512(
+            message.toUInt8Array(),
+            key.toUInt8Array()
+        ).toUByteArray()
     }
 
     actual fun authHmacSha512Verify(
@@ -42,7 +65,11 @@ actual object Auth {
         message: UByteArray,
         key: UByteArray
     ): Boolean {
-        TODO("not implemented yet")
+        return getSodium().crypto_auth_hmacsha512_verify(
+            mac.toUInt8Array(),
+            message.toUInt8Array(),
+            key.toUInt8Array()
+        )
     }
 
 }