Added a bunch, also added xchacha20 ic and xor

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

@@ -232,6 +232,10 @@ interface JsSodiumInterface {
     fun crypto_stream_chacha20_xor(message : Uint8Array, nonce: Uint8Array, key: Uint8Array) : Uint8Array
     fun crypto_stream_chacha20_xor_ic(message : Uint8Array, nonce: Uint8Array, initialCounter: UInt, key: Uint8Array) : Uint8Array
 
+    fun crypto_stream_xchacha20_keygen() : Uint8Array
+    fun crypto_stream_xchacha20_xor(message : Uint8Array, nonce: Uint8Array, key: Uint8Array) : Uint8Array
+    fun crypto_stream_xchacha20_xor_ic(message : Uint8Array, nonce: Uint8Array, initialCounter: UInt, key: Uint8Array) : Uint8Array
+
     // ---- Stream end ----
 
     // ---- Scalar multiplication ----

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

@@ -79,4 +79,42 @@ actual object Stream {
 
         return result.toUByteArray()
     }
+
+    actual fun xChacha20Keygen(): UByteArray {
+        val result = getSodium().crypto_stream_xchacha20_keygen()
+
+        return result.toUByteArray()
+    }
+
+    actual fun xChacha20Xor(
+        message: UByteArray,
+        nonce: UByteArray,
+        key: UByteArray
+    ): UByteArray {
+        val result = getSodium().crypto_stream_xchacha20_xor(
+            message.toUInt8Array(),
+            nonce.toUInt8Array(),
+            key.toUInt8Array()
+        )
+
+        return result.toUByteArray()
+    }
+
+    actual fun xChacha20XorIc(
+        message: UByteArray,
+        nonce: UByteArray,
+        initialCounter: ULong,
+        key: UByteArray
+    ): UByteArray {
+        val result = getSodium().crypto_stream_xchacha20_xor_ic(
+            message.toUInt8Array(),
+            nonce.toUInt8Array(),
+            initialCounter.toUInt(),
+            key.toUInt8Array()
+        )
+
+        return result.toUByteArray()
+    }
+
+
 }