Added sha2 hashes in common and native and test

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

@@ -18,7 +18,7 @@ interface JsSodiumInterface {
 
     fun crypto_hash_sha512(message: Uint8Array): Uint8Array
 
-    //Updateable
+    // ---- Generic hash ---- // Updateable
 
     fun crypto_generichash_init(key : Uint8Array, hashLength: Int) : dynamic
 
@@ -28,11 +28,27 @@ interface JsSodiumInterface {
 
     fun crypto_generichash_keygen() : Uint8Array
 
-    //Short hash
+    // ---- Generic hash end ---- // Updateable
+
+    // ---- Blake2b ----
+
+    fun crypto_generichash_blake2b(hashLength: Int, inputMessage: Uint8Array, key: Uint8Array): Uint8Array
+
+    fun crypto_generichash_blake2b_init(key : Uint8Array, hashLength: Int) : dynamic
+
+    fun crypto_generichash_blake2b_update(state: dynamic, inputMessage: Uint8Array)
+
+    fun crypto_generichash_blake2b_final(state: dynamic, hashLength: Int) : Uint8Array
+
+    fun crypto_generichash_blake2b_keygen() : Uint8Array
+
+    // ---- Blake2b end ----
+
+    // ---- Short hash ----
     fun crypto_shorthash(data : Uint8Array, key: Uint8Array) : Uint8Array
 
     fun crypto_shorthash_keygen() : Uint8Array
-
+    // ---- Short hash end ----
 
     fun crypto_hash_sha256_init() : dynamic
 

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

@@ -48,4 +48,35 @@ actual object GenericHash {
     actual fun genericHashKeygen(): UByteArray {
         return getSodium().crypto_generichash_keygen().toUByteArray()
     }
+//  -- Not present in LazySodium nor libsodium.js
+//    actual fun blake2b(message: UByteArray, requestedHashLength: Int, key: UByteArray?) : UByteArray {
+//        return getSodium().crypto_generichash_blake2b(
+//            requestedHashLength,
+//            message.toUInt8Array(),
+//            key?.toUInt8Array() ?: Uint8Array(0)
+//        ).toUByteArray()
+//    }
+//
+//    actual fun blake2bInit(
+//        requestedHashLength: Int,
+//        key: UByteArray?
+//    ): Blake2bState {
+//        val state = getSodium().crypto_generichash_blake2b_init(key?.toUInt8Array() ?: Uint8Array(0), requestedHashLength)
+//        return Blake2bState(requestedHashLength, state)
+//    }
+//
+//    actual fun blake2bUpdate(
+//        state: GenericHashState,
+//        messagePart: UByteArray
+//    ) {
+//        getSodium().crypto_generichash_blake2b_update(state.internalState, messagePart.toUInt8Array())
+//    }
+//
+//    actual fun blake2bFinal(state: GenericHashState): UByteArray {
+//        return getSodium().crypto_generichash_blake2b_final(state.internalState, state.hashLength).toUByteArray()
+//    }
+//
+//    actual fun blake2bKeygen(): UByteArray {
+//        return getSodium().crypto_generichash_blake2b_keygen().toUByteArray()
+//    }
 }