Further progress on delegated xchacha poly, working jvm , js in progress

multiplatform-crypto-delegated/src/commonMain/kotlin/com/ionspin/kotlin/crypto/Crypto.kt

@@ -58,7 +58,7 @@ object CryptoPrimitives : PrimitivesApi {
     }
 
     object Sha512 {
-        fun updateable(): com.ionspin.kotlin.crypto.hash.sha.Sha512 {
+        fun updateable(): com.ionspin.kotlin.crypto.hash.sha.Sha512Multipart {
             checkInitialization()
             return Sha512Delegated()
         }
@@ -95,7 +95,7 @@ object CryptoPrimitives : PrimitivesApi {
         return Sha256StatelessDelegated.digest(inputMessage =  message)
     }
 
-    override fun hashSha512Multipart(): com.ionspin.kotlin.crypto.hash.sha.Sha512 {
+    override fun hashSha512Multipart(): com.ionspin.kotlin.crypto.hash.sha.Sha512Multipart {
         checkInitialization()
         return Sha512Delegated()
     }
@@ -179,7 +179,7 @@ class MultipartAuthenticatedEncryptor internal constructor(val key : SymmetricKe
     }
 
     override fun finish(): MultipartEncryptedDataDescriptor {
-        val finished = primitive.finish()
+        val finished = primitive.finishEncryption()
         return MultipartEncryptedDataDescriptor(finished.first, finished.second)
     }
 

multiplatform-crypto-delegated/src/commonMain/kotlin/com/ionspin/kotlin/crypto/authenticated/DelegatedXChaCha20Poly1305.kt

@@ -1,14 +1,15 @@
 package com.ionspin.kotlin.crypto.authenticated
 
+
 /**
  * Created by Ugljesa Jovanovic
  * ugljesa.jovanovic@ionspin.com
  * on 14-Jun-2020
  */
-expect class XChaCha20Poly1305Delegated {
+expect class XChaCha20Poly1305Delegated constructor(key: UByteArray, additionalData: UByteArray) {
     companion object {
         fun encrypt(key: UByteArray, nonce: UByteArray, message: UByteArray, additionalData: UByteArray) : UByteArray
-        fun decrypt(key: UByteArray, nonce: UByteArray, cipherText: UByteArray, additionalData: UByteArray) : UByteArray
+        fun decrypt(key: UByteArray, nonce: UByteArray, ciphertext: UByteArray, additionalData: UByteArray) : UByteArray
     }
 
     fun encryptPartialData(data: UByteArray) : UByteArray

multiplatform-crypto-delegated/src/commonMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha512Delegated.kt

@@ -24,6 +24,6 @@ package com.ionspin.kotlin.crypto.hash.sha
  */
 
 
-expect class Sha512Delegated() : Sha512
+expect class Sha512Delegated() : Sha512Multipart
 
-expect object Sha512StatelessDelegated : MultipartSha512
+expect object Sha512StatelessDelegated : Sha512

multiplatform-crypto-delegated/src/commonTest/kotlin/com/ionspin/kotlin/crypto/SRNGTest.kt

@@ -28,10 +28,10 @@ import kotlin.test.assertTrue
 class SRNGTest {
     @Test
     fun testSrng() = testBlocking {
-        Crypto.initialize()
+        CryptoInitializerDelegated.initialize()
         //Just a sanity test, need to add better srng tests.
         val randomBytes1 = SRNG.getRandomBytes(10)
         val randomBytes2 = SRNG.getRandomBytes(10)
         assertTrue { !randomBytes1.contentEquals(randomBytes2) }
     }
-}
+}

multiplatform-crypto-delegated/src/commonTest/kotlin/com/ionspin/kotlin/crypto/authenticated/XChaCha20Poly1305Test.kt

@@ -0,0 +1,184 @@
+package com.ionspin.kotlin.crypto.authenticated
+
+import com.ionspin.kotlin.crypto.CryptoInitializerDelegated
+import com.ionspin.kotlin.crypto.hash.encodeToUByteArray
+import com.ionspin.kotlin.crypto.util.testBlocking
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import kotlin.test.Ignore
+import kotlin.test.Test
+import kotlin.test.assertTrue
+
+/**
+ * Created by Ugljesa Jovanovic
+ * ugljesa.jovanovic@ionspin.com
+ * on 17-Jun-2020
+ */
+class XChaCha20Poly1305Test {
+
+
+    @Test
+    fun xChaCha20Poly1305() {
+        testBlocking {
+            CryptoInitializerDelegated.initialize()
+        }
+        assertTrue {
+            val message = ("Ladies and Gentlemen of the class of '99: If I could offer you " +
+                    "only one tip for the future, sunscreen would be it.").encodeToUByteArray()
+
+            val additionalData = ubyteArrayOf(
+                0x50U, 0x51U, 0x52U, 0x53U, 0xc0U, 0xc1U, 0xc2U, 0xc3U, 0xc4U, 0xc5U, 0xc6U, 0xc7U
+            )
+            val key = ubyteArrayOf(
+                0x80U, 0x81U, 0x82U, 0x83U, 0x84U, 0x85U, 0x86U, 0x87U,
+                0x88U, 0x89U, 0x8aU, 0x8bU, 0x8cU, 0x8dU, 0x8eU, 0x8fU,
+                0x90U, 0x91U, 0x92U, 0x93U, 0x94U, 0x95U, 0x96U, 0x97U,
+                0x98U, 0x99U, 0x9aU, 0x9bU, 0x9cU, 0x9dU, 0x9eU, 0x9fU,
+            )
+
+            val nonce = ubyteArrayOf(
+                0x40U, 0x41U, 0x42U, 0x43U, 0x44U, 0x45U, 0x46U, 0x47U,
+                0x48U, 0x49U, 0x4aU, 0x4bU, 0x4cU, 0x4dU, 0x4eU, 0x4fU,
+                0x50U, 0x51U, 0x52U, 0x53U, 0x54U, 0x55U, 0x56U, 0x57U,
+            )
+
+            val expected = ubyteArrayOf(
+                0xbdU, 0x6dU, 0x17U, 0x9dU, 0x3eU, 0x83U, 0xd4U, 0x3bU,
+                0x95U, 0x76U, 0x57U, 0x94U, 0x93U, 0xc0U, 0xe9U, 0x39U,
+                0x57U, 0x2aU, 0x17U, 0x00U, 0x25U, 0x2bU, 0xfaU, 0xccU,
+                0xbeU, 0xd2U, 0x90U, 0x2cU, 0x21U, 0x39U, 0x6cU, 0xbbU,
+                0x73U, 0x1cU, 0x7fU, 0x1bU, 0x0bU, 0x4aU, 0xa6U, 0x44U,
+                0x0bU, 0xf3U, 0xa8U, 0x2fU, 0x4eU, 0xdaU, 0x7eU, 0x39U,
+                0xaeU, 0x64U, 0xc6U, 0x70U, 0x8cU, 0x54U, 0xc2U, 0x16U,
+                0xcbU, 0x96U, 0xb7U, 0x2eU, 0x12U, 0x13U, 0xb4U, 0x52U,
+                0x2fU, 0x8cU, 0x9bU, 0xa4U, 0x0dU, 0xb5U, 0xd9U, 0x45U,
+                0xb1U, 0x1bU, 0x69U, 0xb9U, 0x82U, 0xc1U, 0xbbU, 0x9eU,
+                0x3fU, 0x3fU, 0xacU, 0x2bU, 0xc3U, 0x69U, 0x48U, 0x8fU,
+                0x76U, 0xb2U, 0x38U, 0x35U, 0x65U, 0xd3U, 0xffU, 0xf9U,
+                0x21U, 0xf9U, 0x66U, 0x4cU, 0x97U, 0x63U, 0x7dU, 0xa9U,
+                0x76U, 0x88U, 0x12U, 0xf6U, 0x15U, 0xc6U, 0x8bU, 0x13U,
+                0xb5U, 0x2eU, 0xc0U, 0x87U, 0x59U, 0x24U, 0xc1U, 0xc7U,
+                0x98U, 0x79U, 0x47U, 0xdeU, 0xafU, 0xd8U, 0x78U, 0x0aU,
+                0xcfU, 0x49U
+            )
+            val encrypted = XChaCha20Poly1305Delegated.encrypt(key, nonce, message, additionalData)
+//            val decrypted = XChaCha20Poly1305Delegated.decrypt(key, nonce, encrypted, additionalData)
+
+            encrypted.contentEquals(expected) // && decrypted.contentEquals(message)
+        }
+
+        assertTrue {
+            val message = ubyteArrayOf(
+                0x00U
+            )
+            val additionalData = ubyteArrayOf(
+                0x00U
+            )
+            val key = ubyteArrayOf(
+                0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U,
+                0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U,
+                0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U,
+                0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U,
+            )
+
+            val nonce = ubyteArrayOf(
+                0x00U, 0x01U, 0x02U, 0x03U, 0x04U, 0x05U, 0x06U, 0x07U, 0x08U, 0x09U, 0x0aU, 0x0bU,
+                0x0cU, 0x0dU, 0x0eU, 0x0fU, 0x10U, 0x11U, 0x12U, 0x13U, 0x14U, 0x15U, 0x16U, 0x17U,
+            )
+
+            val expected = ubyteArrayOf(
+                0xbdU, 0x3bU, 0x8aU, 0xd7U, 0xa1U, 0x9dU, 0xe8U, 0xc4U, 0x55U,
+                0x84U, 0x6fU, 0xfcU, 0x75U, 0x31U, 0xbfU, 0x0cU, 0x2dU
+            )
+            val encrypted = XChaCha20Poly1305Delegated.encrypt(key, nonce, message, additionalData)
+//            val decrypted = XChaCha20Poly1305Delegated.decrypt(key, nonce, encrypted, additionalData)
+
+            encrypted.contentEquals(expected) // && decrypted.contentEquals(message)
+        }
+
+
+    }
+
+    @Ignore() //"Will fail because nonce is not a parameter any more"
+    @Test
+    fun updateableXChaCha20Poly1305() {
+        assertTrue {
+            val message = ("Ladies and Gentlemen of the class of '99: If I could offer you " +
+                    "only one tip for the future, sunscreen would be it.").encodeToUByteArray()
+
+            val additionalData = ubyteArrayOf(
+                0x50U, 0x51U, 0x52U, 0x53U, 0xc0U, 0xc1U, 0xc2U, 0xc3U, 0xc4U, 0xc5U, 0xc6U, 0xc7U
+            )
+            val key = ubyteArrayOf(
+                0x80U, 0x81U, 0x82U, 0x83U, 0x84U, 0x85U, 0x86U, 0x87U,
+                0x88U, 0x89U, 0x8aU, 0x8bU, 0x8cU, 0x8dU, 0x8eU, 0x8fU,
+                0x90U, 0x91U, 0x92U, 0x93U, 0x94U, 0x95U, 0x96U, 0x97U,
+                0x98U, 0x99U, 0x9aU, 0x9bU, 0x9cU, 0x9dU, 0x9eU, 0x9fU,
+            )
+
+            val nonce = ubyteArrayOf(
+                0x40U, 0x41U, 0x42U, 0x43U, 0x44U, 0x45U, 0x46U, 0x47U,
+                0x48U, 0x49U, 0x4aU, 0x4bU, 0x4cU, 0x4dU, 0x4eU, 0x4fU,
+                0x50U, 0x51U, 0x52U, 0x53U, 0x54U, 0x55U, 0x56U, 0x57U,
+            )
+
+            val expected = ubyteArrayOf(
+                0xbdU, 0x6dU, 0x17U, 0x9dU, 0x3eU, 0x83U, 0xd4U, 0x3bU,
+                0x95U, 0x76U, 0x57U, 0x94U, 0x93U, 0xc0U, 0xe9U, 0x39U,
+                0x57U, 0x2aU, 0x17U, 0x00U, 0x25U, 0x2bU, 0xfaU, 0xccU,
+                0xbeU, 0xd2U, 0x90U, 0x2cU, 0x21U, 0x39U, 0x6cU, 0xbbU,
+                0x73U, 0x1cU, 0x7fU, 0x1bU, 0x0bU, 0x4aU, 0xa6U, 0x44U,
+                0x0bU, 0xf3U, 0xa8U, 0x2fU, 0x4eU, 0xdaU, 0x7eU, 0x39U,
+                0xaeU, 0x64U, 0xc6U, 0x70U, 0x8cU, 0x54U, 0xc2U, 0x16U,
+                0xcbU, 0x96U, 0xb7U, 0x2eU, 0x12U, 0x13U, 0xb4U, 0x52U,
+                0x2fU, 0x8cU, 0x9bU, 0xa4U, 0x0dU, 0xb5U, 0xd9U, 0x45U,
+                0xb1U, 0x1bU, 0x69U, 0xb9U, 0x82U, 0xc1U, 0xbbU, 0x9eU,
+                0x3fU, 0x3fU, 0xacU, 0x2bU, 0xc3U, 0x69U, 0x48U, 0x8fU,
+                0x76U, 0xb2U, 0x38U, 0x35U, 0x65U, 0xd3U, 0xffU, 0xf9U,
+                0x21U, 0xf9U, 0x66U, 0x4cU, 0x97U, 0x63U, 0x7dU, 0xa9U,
+                0x76U, 0x88U, 0x12U, 0xf6U, 0x15U, 0xc6U, 0x8bU, 0x13U,
+                0xb5U, 0x2eU, 0xc0U, 0x87U, 0x59U, 0x24U, 0xc1U, 0xc7U,
+                0x98U, 0x79U, 0x47U, 0xdeU, 0xafU, 0xd8U, 0x78U, 0x0aU,
+                0xcfU, 0x49U
+            )
+            val xChaChaPoly = XChaCha20Poly1305Delegated(key, additionalData)
+            val firstChunk = xChaChaPoly.encryptPartialData(message)
+            val finalChunk = xChaChaPoly.finishEncryption().first
+            val result = firstChunk + finalChunk
+
+            result.contentEquals(expected)
+        }
+
+        assertTrue {
+            val message = ubyteArrayOf(
+                0x00U
+            )
+            val additionalData = ubyteArrayOf(
+                0x00U
+            )
+            val key = ubyteArrayOf(
+                0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U,
+                0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U,
+                0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U,
+                0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U,
+            )
+
+            val nonce = ubyteArrayOf(
+                0x00U, 0x01U, 0x02U, 0x03U, 0x04U, 0x05U, 0x06U, 0x07U, 0x08U, 0x09U, 0x0aU, 0x0bU,
+                0x0cU, 0x0dU, 0x0eU, 0x0fU, 0x10U, 0x11U, 0x12U, 0x13U, 0x14U, 0x15U, 0x16U, 0x17U,
+            )
+
+            val expected = ubyteArrayOf(
+                0xbdU, 0x3bU, 0x8aU, 0xd7U, 0xa1U, 0x9dU, 0xe8U, 0xc4U, 0x55U,
+                0x84U, 0x6fU, 0xfcU, 0x75U, 0x31U, 0xbfU, 0x0cU, 0x2dU
+            )
+            val xChaChaPoly = XChaCha20Poly1305Delegated(key, additionalData)
+            val firstChunk = xChaChaPoly.encryptPartialData(message)
+            val finalChunk = xChaChaPoly.finishEncryption().first
+            val result = firstChunk + finalChunk
+            result.contentEquals(expected)
+        }
+
+
+    }
+}

multiplatform-crypto-delegated/src/commonTest/kotlin/com/ionspin/kotlin/crypto/hash/blake2b/Blake2bTest.kt

@@ -1,6 +1,7 @@
 package com.ionspin.kotlin.crypto.hash.blake2b
 
 import com.ionspin.kotlin.crypto.Crypto
+import com.ionspin.kotlin.crypto.CryptoPrimitives
 import com.ionspin.kotlin.crypto.Initializer
 import com.ionspin.kotlin.crypto.hash.encodeToUByteArray
 import com.ionspin.kotlin.crypto.util.testBlocking
@@ -23,7 +24,7 @@ class Blake2bTest {
         Initializer.initialize()
         val expected = "a71079d42853dea26e453004338670a53814b78137ffbed07603a41d76a483aa9bc33b582f77d30a65e6f29a89" +
                 "6c0411f38312e1d66e0bf16386c86a89bea572"
-        val result = Crypto.Blake2b.stateless("test".encodeToUByteArray()).toHexString()
+        val result = CryptoPrimitives.Blake2b.stateless("test".encodeToUByteArray()).toHexString()
 //        println("Result: $result")
         assertTrue { result == expected }
     }
@@ -35,11 +36,11 @@ class Blake2bTest {
         Initializer.initialize()
         val expected = "a71079d42853dea26e453004338670a53814b78137ffbed07603a41d76a483aa9bc33b582f77d30a65e6f29a89" +
                 "6c0411f38312e1d66e0bf16386c86a89bea572"
-        val blake2b = Crypto.Blake2b.updateable()
+        val blake2b = CryptoPrimitives.Blake2b.updateable()
         blake2b.update("t".encodeToUByteArray())
         blake2b.update(("est".encodeToUByteArray()))
         val result = blake2b.digest().toHexString()
 //        println("Result: $result")
         assertTrue { result == expected }
     }
-}
+}

multiplatform-crypto-delegated/src/commonTest/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256Test.kt

@@ -1,6 +1,7 @@
 package com.ionspin.kotlin.crypto.hash.sha
 
 import com.ionspin.kotlin.crypto.Crypto
+import com.ionspin.kotlin.crypto.CryptoPrimitives
 import com.ionspin.kotlin.crypto.Initializer
 import com.ionspin.kotlin.crypto.hash.encodeToUByteArray
 import com.ionspin.kotlin.crypto.util.testBlocking
@@ -23,7 +24,7 @@ class Sha256Test {
     @Test
     fun statelessSimpleTest() {
         val expected = "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08"
-        val result = Crypto.Sha256.stateless("test".encodeToUByteArray()).toHexString()
+        val result = CryptoPrimitives.Sha256.stateless("test".encodeToUByteArray()).toHexString()
 //        println("Result: $result")
         assertTrue { result == expected }
     }
@@ -33,11 +34,11 @@ class Sha256Test {
     @Test
     fun updateableSimpleTest() {
         val expected = "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08"
-        val sha256 = Crypto.Sha256.updateable()
+        val sha256 = CryptoPrimitives.Sha256.updateable()
         sha256.update("t".encodeToUByteArray())
         sha256.update(("est".encodeToUByteArray()))
         val result = sha256.digest().toHexString()
 //        println("Result: $result")
         assertTrue { result == expected }
     }
-}
+}

multiplatform-crypto-delegated/src/commonTest/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha512Test.kt

@@ -1,6 +1,7 @@
 package com.ionspin.kotlin.crypto.hash.sha
 
 import com.ionspin.kotlin.crypto.Crypto
+import com.ionspin.kotlin.crypto.CryptoPrimitives
 import com.ionspin.kotlin.crypto.Initializer
 import com.ionspin.kotlin.crypto.hash.encodeToUByteArray
 import com.ionspin.kotlin.crypto.util.testBlocking
@@ -24,7 +25,7 @@ class Sha512Test {
     fun statelessSimpleTest() {
         val expected = "ee26b0dd4af7e749aa1a8ee3c10ae9923f618980772e473f8819a5d4940e0db27ac185f8a0e1d5f84f88bc887fd67" +
                 "b143732c304cc5fa9ad8e6f57f50028a8ff"
-        val result = Crypto.Sha512.stateless("test".encodeToUByteArray()).toHexString()
+        val result = CryptoPrimitives.Sha512.stateless("test".encodeToUByteArray()).toHexString()
 //        println("Result: $result")
         assertTrue { result == expected }
     }
@@ -35,11 +36,11 @@ class Sha512Test {
     fun updateableSimpleTest() {
         val expected = "ee26b0dd4af7e749aa1a8ee3c10ae9923f618980772e473f8819a5d4940e0db27ac185f8a0e1d5f84f88bc887fd67" +
                 "b143732c304cc5fa9ad8e6f57f50028a8ff"
-        val sha512 = Crypto.Sha512.updateable()
+        val sha512 = CryptoPrimitives.Sha512.updateable()
         sha512.update("t".encodeToUByteArray())
         sha512.update(("est".encodeToUByteArray()))
         val result = sha512.digest().toHexString()
 //        println("Result: $result")
         assertTrue { result == expected }
     }
-}
+}

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

@@ -39,5 +39,8 @@ interface JsSodiumInterface {
 
     fun crypto_hash_sha512_final(state: dynamic): Uint8Array
 
+    //XChaCha20Poly1305
+    fun crypto_aead_xchacha20poly1305_ietf_encrypt(message: Uint8Array, additionalData: Uint8Array, nonce: Uint8Array, key: Uint8Array) : Uint8Array
+
 
 }

multiplatform-crypto-delegated/src/jsMain/kotlin/com/ionspin/kotlin/crypto/JsSodiumLoader.kt

@@ -53,4 +53,4 @@ object JsSodiumLoader {
             doneCallback.invoke()
         }
     }
-}
+}

multiplatform-crypto-delegated/src/jsMain/kotlin/com/ionspin/kotlin/crypto/JsUtil.kt

@@ -0,0 +1,27 @@
+package ext.libsodium.com.ionspin.kotlin.crypto
+
+import org.khronos.webgl.Uint8Array
+import org.khronos.webgl.get
+import org.khronos.webgl.set
+
+/**
+ * Created by Ugljesa Jovanovic
+ * ugljesa.jovanovic@ionspin.com
+ * on 25-Jun-2020
+ */
+fun UByteArray.toUInt8Array() : Uint8Array {
+    val uint8Result = Uint8Array(toByteArray().toTypedArray())
+    console.log("Uint8: $uint8Result")
+    return uint8Result
+}
+
+
+fun Uint8Array.toUByteArray() : UByteArray {
+    val result = UByteArray(length)
+    for (i in 0 until length) {
+        result[i] = get(i).toUByte()
+    }
+    console.log("UbyteArray: ${result.joinToString()}")
+
+    return result
+}

multiplatform-crypto-delegated/src/jsMain/kotlin/com/ionspin/kotlin/crypto/authenticated/XChaCha20Poly1305Delegated.kt

@@ -0,0 +1,63 @@
+package com.ionspin.kotlin.crypto.authenticated
+
+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 25-Jun-2020
+ */
+
+/**
+ * Created by Ugljesa Jovanovic
+ * ugljesa.jovanovic@ionspin.com
+ * on 14-Jun-2020
+ */
+actual class XChaCha20Poly1305Delegated actual constructor(key: UByteArray, additionalData: UByteArray) {
+    actual companion object {
+        actual fun encrypt(
+            key: UByteArray,
+            nonce: UByteArray,
+            message: UByteArray,
+            additionalData: UByteArray
+        ): UByteArray {
+            val encrypted = getSodium().crypto_aead_xchacha20poly1305_ietf_encrypt(
+                message.toUInt8Array(),
+                additionalData.toUInt8Array(),
+                key.toUInt8Array(),
+                nonce.toUInt8Array()
+            )
+            return encrypted.toUByteArray()
+        }
+
+        actual fun decrypt(
+            key: UByteArray,
+            nonce: UByteArray,
+            ciphertext: UByteArray,
+            additionalData: UByteArray
+        ): UByteArray {
+            TODO("not implemented yet")
+        }
+    }
+
+    actual fun encryptPartialData(data: UByteArray): UByteArray {
+        TODO("not implemented yet")
+    }
+
+    actual fun verifyPartialData(data: UByteArray) {
+    }
+
+    actual fun checkTag(expectedTag: UByteArray) {
+    }
+
+    actual fun decrypt(data: UByteArray): UByteArray {
+        TODO("not implemented yet")
+    }
+
+    actual fun finishEncryption(): Pair<UByteArray, UByteArray> {
+        TODO("not implemented yet")
+    }
+
+}

multiplatform-crypto-delegated/src/jsMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha512Delegated.kt

@@ -12,7 +12,7 @@ import org.khronos.webgl.get
  */
 
 
-actual class Sha512Delegated : Sha512 {
+actual class Sha512Delegated : Sha512Multipart {
     val state : dynamic
 
     init {
@@ -34,7 +34,7 @@ actual class Sha512Delegated : Sha512 {
 
 }
 
-actual object Sha512StatelessDelegated : MultipartSha512 {
+actual object Sha512StatelessDelegated : Sha512 {
 
     override fun digest(inputMessage: UByteArray): UByteArray {
         val hashed = getSodium().crypto_hash_sha512(Uint8Array(inputMessage.toByteArray().toTypedArray()))

multiplatform-crypto-delegated/src/jvmMain/kotlin/com/ionspin/kotlin/crypto/authenticated/XChaCha20Poly1305Delegated.kt

@@ -8,7 +8,7 @@ import com.ionspin.kotlin.crypto.Initializer.sodium
  * ugljesa.jovanovic@ionspin.com
  * on 14-Jun-2020
  */
-actual class XChaCha20Poly1305Delegated {
+actual class XChaCha20Poly1305Delegated actual constructor(key: UByteArray, additionalData: UByteArray) {
     actual companion object {
         actual fun encrypt(
             key: UByteArray,
@@ -16,7 +16,7 @@ actual class XChaCha20Poly1305Delegated {
             message: UByteArray,
             additionalData: UByteArray
         ): UByteArray {
-            val ciphertext = ByteArray(message.size + sodium.crypto_secretstream_xchacha20poly1305_abytes())
+            val ciphertext = ByteArray(message.size + 16)
             SodiumJava().crypto_aead_xchacha20poly1305_ietf_encrypt(
                 ciphertext,
                 longArrayOf(ciphertext.size.toLong()),
@@ -35,10 +35,24 @@ actual class XChaCha20Poly1305Delegated {
         actual fun decrypt(
             key: UByteArray,
             nonce: UByteArray,
-            cipherText: UByteArray,
+            ciphertext: UByteArray,
             additionalData: UByteArray
         ): UByteArray {
-            TODO("not implemented yet")
+            val message = ByteArray(ciphertext.size - sodium.crypto_secretstream_xchacha20poly1305_abytes())
+            SodiumJava().crypto_aead_xchacha20poly1305_ietf_encrypt(
+
+                message,
+                longArrayOf(ciphertext.size.toLong()),
+                ciphertext.toByteArray(),
+                ciphertext.size.toLong(),
+                additionalData.toByteArray(),
+                additionalData.size.toLong(),
+                null,
+                nonce.toByteArray(),
+                key.toByteArray()
+
+            )
+            return message.toUByteArray()
         }
     }
 

multiplatform-crypto-delegated/src/jvmMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha512Delegated.kt

@@ -10,7 +10,7 @@ import com.ionspin.kotlin.crypto.Initializer
  */
 
 
-actual class Sha512Delegated : Sha512 {
+actual class Sha512Delegated : Sha512Multipart {
 
     val state = Hash.State512()
 
@@ -30,7 +30,7 @@ actual class Sha512Delegated : Sha512 {
 
 }
 
-actual object Sha512StatelessDelegated : MultipartSha512 {
+actual object Sha512StatelessDelegated : Sha512 {
 
     override fun digest(inputMessage: UByteArray): UByteArray {
         val hashed = ByteArray(Sha512Properties.MAX_HASH_BYTES)

multiplatform-crypto-delegated/src/nativeMain/kotlin/com/ionspin/kotlin/crypto/authenticated/XChaCha20Poly1305Delegated.kt

@@ -0,0 +1,69 @@
+package com.ionspin.kotlin.crypto.authenticated
+
+import kotlinx.cinterop.addressOf
+import kotlinx.cinterop.convert
+import kotlinx.cinterop.pin
+import kotlinx.cinterop.toCValues
+import libsodium.crypto_aead_xchacha20poly1305_IETF_ABYTES
+import libsodium.crypto_aead_xchacha20poly1305_ietf_encrypt
+
+/**
+ * Created by Ugljesa Jovanovic
+ * ugljesa.jovanovic@ionspin.com
+ * on 14-Jun-2020
+ */
+actual class XChaCha20Poly1305Delegated actual constructor(key: UByteArray, additionalData: UByteArray) {
+    actual companion object {
+        actual fun encrypt(
+            key: UByteArray,
+            nonce: UByteArray,
+            message: UByteArray,
+            additionalData: UByteArray
+        ): UByteArray {
+            val ciphertextLength = message.size + crypto_aead_xchacha20poly1305_IETF_ABYTES.toInt()
+            val ciphertext = UByteArray(ciphertextLength)
+            val ciphertextPinned = ciphertext.pin()
+            crypto_aead_xchacha20poly1305_ietf_encrypt(
+                ciphertextPinned.addressOf(0),
+                ciphertextLength.convert(),
+                message.toCValues(),
+                message.size.convert(),
+                additionalData.toCValues(),
+                additionalData.size.convert(),
+                null,
+                nonce.toCValues(),
+                key.toCValues()
+            )
+            ciphertextPinned.unpin()
+            return ciphertext
+        }
+
+        actual fun decrypt(
+            key: UByteArray,
+            nonce: UByteArray,
+            ciphertext: UByteArray,
+            additionalData: UByteArray
+        ): UByteArray {
+            TODO("not implemented yet")
+        }
+    }
+
+    actual fun encryptPartialData(data: UByteArray): UByteArray {
+        TODO("not implemented yet")
+    }
+
+    actual fun verifyPartialData(data: UByteArray) {
+    }
+
+    actual fun checkTag(expectedTag: UByteArray) {
+    }
+
+    actual fun decrypt(data: UByteArray): UByteArray {
+        TODO("not implemented yet")
+    }
+
+    actual fun finishEncryption(): Pair<UByteArray, UByteArray> {
+        TODO("not implemented yet")
+    }
+
+}

multiplatform-crypto-delegated/src/nativeMain/kotlin/com/ionspin/kotlin/crypto/hash/blake2b/Blake2bDelegated.kt

@@ -11,7 +11,7 @@ import platform.posix.malloc
  */
 
 
-actual class Blake2bDelegated actual constructor(key: UByteArray?, hashLength: Int) : Blake2b {
+actual class Blake2bDelegated actual constructor(key: UByteArray?, hashLength: Int) : Blake2bMultipart {
     override val MAX_HASH_BYTES: Int = 64
 
     val requestedHashLength : Int
@@ -38,7 +38,7 @@ actual class Blake2bDelegated actual constructor(key: UByteArray?, hashLength: I
 }
 
 @Suppress("EXPERIMENTAL_API_USAGE", "EXPERIMENTAL_UNSIGNED_LITERALS")
-actual object Blake2bDelegatedStateless : Blake2bStateless {
+actual object Blake2bDelegatedStateless : Blake2b {
 
     override fun digest(inputMessage: UByteArray, key: UByteArray, hashLength: Int): UByteArray {
         val hashResult = UByteArray(MAX_HASH_BYTES)
@@ -57,4 +57,4 @@ actual object Blake2bDelegatedStateless : Blake2bStateless {
     }
 
 
-}
+}

multiplatform-crypto-delegated/src/nativeMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha512Delegated.kt

@@ -12,7 +12,7 @@ import platform.posix.malloc
  */
 
 
-actual class Sha512Delegated : Sha512 {
+actual class Sha512Delegated : Sha512Multipart {
     val state : crypto_hash_sha512_state
 
     init {
@@ -37,7 +37,7 @@ actual class Sha512Delegated : Sha512 {
 
 }
 
-actual object Sha512StatelessDelegated : StatelessSha512 {
+actual object Sha512StatelessDelegated : Sha512  {
 
     override fun digest(inputMessage: UByteArray): UByteArray {
         val hashResult = UByteArray(Sha512StatelessDelegated.MAX_HASH_BYTES)
@@ -46,4 +46,4 @@ actual object Sha512StatelessDelegated : StatelessSha512 {
         hashResultPinned.unpin()
         return hashResult
     }
-}
+}