Progress on native generator

multiplatform-crypto-libsodium-bindings/src/commonMain/kotlin/debug/test/DebugTest.kt

@@ -5,13 +5,25 @@ import kotlin.UByteArray
 
 expect class Sha256State
 
-expect class Hashing {
-  fun crypto_hash_sha256_init(state: Sha256State): Int
-}
+expect class Sha512State
+
+expect class GenericHashState
+
+expect class Crypto {
+  fun crypto_hash_sha256_init(state: Sha256State): Int
+
+  fun crypto_hash_sha256_update(state: Sha256State, input: UByteArray)
+
+  fun crypto_hash_sha256_final(state: Sha256State, out: UByteArray)
+
+  fun crypto_hash_sha512_init(state: Sha512State): Int
+
+  fun crypto_hash_sha512_update(state: Sha512State, input: UByteArray)
+
+  fun crypto_hash_sha512_final(state: Sha512State, out: UByteArray)
 
-expect class GenericHash {
   fun crypto_generichash_init(
-    state: UByteArray,
+    state: GenericHashState,
     key: UByteArray,
     outlen: Int
   ): Int