Built and included modified libsodium with additional wrappers, working blake, sha256/512 hashes

EXTERNAL_LICENSES

@@ -21,3 +21,23 @@ Libsodium, licensed under ISC License
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
+Libsodium.js (temporarily included libsodium-wrappers-sumo-0.7.6.tgz packed npm package with additional sha256 and sha512 multipart wrappers)
+
+
+Copyright (c) 2015-2020
+Ahmad Ben Mrad <batikhsouri at gmail dot org>
+Frank Denis <j at pureftpd dot org>
+Ryan Lester <ryan at cyph dot com>
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+

buildSrc/src/main/kotlin/Deps.kt

@@ -58,8 +58,9 @@ object Deps {
         val serialization = "org.jetbrains.kotlinx:kotlinx-serialization-runtime-js:${Versions.kotlinSerialization}"
 
         object Npm {
-            val libsodium = Pair("libsodium-sumo", "0.7.6")
-            val libsodiumWrappers = Pair("libsodium-wrappers-sumo", "0.7.6")
+            val libsodium = Pair("libsodium-wrappers-sumo", "0.7.6")
+//            val libsodiumWrappers = Pair("libsodium-wrappers-sumo", "0.7.6")
+            val libsodiumWrappers = Pair("libsodium-wrappers-sumo", "file:/home/ionspin/Projects/Future/kotlin-multiplatform-crypto/multiplatform-crypto-delegated/libsodium-wrappers-sumo-0.7.6.tgz")
         }
 
     }

multiplatform-crypto-api/src/commonMain/kotlin/com/ionspin/kotlin/crypto/hash/Hash.kt

@@ -30,8 +30,6 @@ interface Hash {
 interface UpdatableHash : Hash {
     fun update(data : UByteArray)
 
-    fun update(data : String)
-
     fun digest() : UByteArray
 
 }

multiplatform-crypto-api/src/commonMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha512.kt

@@ -17,7 +17,7 @@ interface Sha512 : UpdatableHash {
 }
 interface StatelessSha512 : StatelessHash {
     override val MAX_HASH_BYTES: Int
-        get() = Sha256Properties.MAX_HASH_BYTES
+        get() = Sha512Properties.MAX_HASH_BYTES
 
     fun digest(
         inputMessage: UByteArray = ubyteArrayOf()

multiplatform-crypto-delegated/build.gradle.kts

@@ -435,7 +435,6 @@ kotlin {
                 dependencies {
                     implementation(kotlin(Deps.Js.stdLib))
                     implementation(Deps.Js.coroutines)
-                    implementation(npm(Deps.Js.Npm.libsodium.first, Deps.Js.Npm.libsodium.second))
                     implementation(npm(Deps.Js.Npm.libsodiumWrappers.first, Deps.Js.Npm.libsodiumWrappers.second))
                 }
             }
@@ -443,7 +442,7 @@ kotlin {
                 dependencies {
                     implementation(Deps.Js.coroutines)
                     implementation(kotlin(Deps.Js.test))
-                    implementation(npm(Deps.Js.Npm.libsodium.first, Deps.Js.Npm.libsodium.second))
+                    implementation(npm(Deps.Js.Npm.libsodiumWrappers.first, Deps.Js.Npm.libsodiumWrappers.second))
                 }
             }
             val linuxX64Main by getting {
@@ -529,14 +528,6 @@ kotlin {
 
 
 
-task<Copy>("copyPackageJson") {
-    dependsOn("compileKotlinJs")
-    println("Copying package.json from $projectDir/core/src/jsMain/npm")
-    from("$projectDir/src/jsMain/npm")
-    println("Node modules dir ${node.nodeModulesDir}")
-    into("${node.nodeModulesDir}")
-}
-
 tasks {
 
 
@@ -547,17 +538,6 @@ tasks {
     }
 
     dokka {
-        println("Dokka !")
-        impliedPlatforms = mutableListOf("Common")
-        kotlinTasks {
-            listOf()
-        }
-        sourceRoot {
-            println("Common !")
-            path =
-                "/home/ionspin/Projects/Future/kotlin-multiplatform-crypto/crypto/src/commonMain" //TODO remove static path!
-            platforms = listOf("Common")
-        }
     }
     if (getHostOsName() == "linux" && getHostArchitecture() == "x86-64") {
         val jvmTest by getting(Test::class) {

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

@@ -47,7 +47,7 @@ object Crypto : CryptoProvider {
         }
 
         fun stateless(message: UByteArray) : UByteArray {
-            TODO()
+            return Sha512StatelessDelegated.digest(inputMessage =  message)
         }
     }
 

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

@@ -32,8 +32,6 @@ class SRNGTest {
         //Just a sanity test, need to add better srng tests.
         val randomBytes1 = SRNG.getRandomBytes(10)
         val randomBytes2 = SRNG.getRandomBytes(10)
-        randomBytes1.forEach { println("RB1: $it")}
-        randomBytes2.forEach { println("RB2: $it")}
         assertTrue { !randomBytes1.contentEquals(randomBytes2) }
     }
 }

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

@@ -19,4 +19,17 @@ class Sha256Test {
         println("Result: $result")
         assertTrue { result == expected }
     }
+
+    //This is a bad test since it's not larger than one block
+    //but for now I'm testing that the platform library is being correctly called
+    @Test
+    fun updateableSimpleTest() {
+        val expected = "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08"
+        val sha256 = Crypto.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

@@ -0,0 +1,37 @@
+package com.ionspin.kotlin.crypto.hash.sha
+
+import com.ionspin.kotlin.crypto.Crypto
+import com.ionspin.kotlin.crypto.hash.encodeToUByteArray
+import com.ionspin.kotlin.crypto.util.toHexString
+import kotlin.test.Test
+import kotlin.test.assertTrue
+
+/**
+ * Created by Ugljesa Jovanovic
+ * ugljesa.jovanovic@ionspin.com
+ * on 07-Jun-2020
+ */
+class Sha512Test {
+    @Test
+    fun statelessSimpleTest() {
+        val expected = "ee26b0dd4af7e749aa1a8ee3c10ae9923f618980772e473f8819a5d4940e0db27ac185f8a0e1d5f84f88bc887fd67" +
+                "b143732c304cc5fa9ad8e6f57f50028a8ff"
+        val result = Crypto.Sha512.stateless("test".encodeToUByteArray()).toHexString()
+        println("Result: $result")
+        assertTrue { result == expected }
+    }
+
+    //This is a bad test since it's not larger than one block
+    //but for now I'm testing that the platform library is being correctly called
+    @Test
+    fun updateableSimpleTest() {
+        val expected = "ee26b0dd4af7e749aa1a8ee3c10ae9923f618980772e473f8819a5d4940e0db27ac185f8a0e1d5f84f88bc887fd67" +
+                "b143732c304cc5fa9ad8e6f57f50028a8ff"
+        val sha512 = Crypto.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/Initializer.kt

@@ -8,6 +8,8 @@ var sodiumLoaded: Boolean = false
 
 fun getSodium() : JsSodiumInterface = sodiumPointer
 
+//fun getSodiumAdvanced() : JsSodiumAdvancedInterface = js("sodiumPointer.libsodium")
+
 fun setSodiumPointer(jsSodiumInterface: JsSodiumInterface) {
     js("sodiumPointer = jsSodiumInterface")
 }

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

@@ -1,5 +1,6 @@
 package ext.libsodium.com.ionspin.kotlin.crypto
 
+
 import org.khronos.webgl.Uint8Array
 
 /**
@@ -9,11 +10,25 @@ import org.khronos.webgl.Uint8Array
  */
 interface JsSodiumInterface {
 
-    fun crypto_hash_sha256(message: Uint8Array) : Uint8Array
+    fun crypto_generichash(hashLength: Int, inputMessage: Uint8Array): Uint8Array
 
-    fun crypto_generichash(hashLength: Int, inputMessage: Uint8Array) : Uint8Array
+    fun randombytes_buf(numberOfBytes: Int): Uint8Array
 
-    fun randombytes_buf(numberOfBytes: Int) : Uint8Array
+    fun crypto_hash_sha256(message: Uint8Array): Uint8Array
+
+    fun crypto_hash_sha512(message: Uint8Array): Uint8Array
+
+    fun crypto_hash_sha256_init() : dynamic
+
+    fun crypto_hash_sha256_update(state: dynamic, message: Uint8Array)
+
+    fun crypto_hash_sha256_final(state: dynamic): Uint8Array
+
+    fun crypto_hash_sha512_init() : dynamic
+
+    fun crypto_hash_sha512_update(state: dynamic, message: Uint8Array)
+
+    fun crypto_hash_sha512_final(state: dynamic): Uint8Array
 
 
 }

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

@@ -3,7 +3,7 @@ package ext.libsodium.com.ionspin.kotlin.crypto
 import com.ionspin.kotlin.crypto.getSodiumLoaded
 import com.ionspin.kotlin.crypto.setSodiumPointer
 import com.ionspin.kotlin.crypto.sodiumLoaded
-import ext.libsodium._libsodiumPromise
+import ext.libsodium.*
 import kotlin.coroutines.Continuation
 import kotlin.coroutines.suspendCoroutine
 
@@ -14,6 +14,16 @@ import kotlin.coroutines.suspendCoroutine
  */
 object JsSodiumLoader {
 
+    class _EmitJsSodiumFunction {
+        init {
+            println(::crypto_generichash)
+            println(::crypto_hash_sha256)
+            println(::crypto_hash_sha512)
+            println(::crypto_hash_sha256_init)
+        }
+
+    }
+
     fun storeSodium(promisedSodium: dynamic, continuation: Continuation<Unit>) {
         setSodiumPointer(promisedSodium)
         sodiumLoaded = true

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

@@ -28,8 +28,6 @@ actual object SRNG {
 
     actual fun getRandomBytes(amount: Int): UByteArray {
         val randomBytes = getSodium().randombytes_buf(amount)
-        println("Random bytes: $randomBytes")
-        print("Byte at ${randomBytes[0]}")
         val randomBytesUByteArray = UByteArray(amount) {
             0U
         }

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

@@ -3,6 +3,7 @@ package com.ionspin.kotlin.crypto.hash.blake2b
 import com.ionspin.kotlin.crypto.getSodium
 import com.ionspin.kotlin.crypto.util.toHexString
 import org.khronos.webgl.Uint8Array
+import org.khronos.webgl.get
 
 /**
  * Created by Ugljesa Jovanovic
@@ -19,9 +20,7 @@ actual class Blake2bDelegated actual constructor(key: UByteArray?, hashLength: I
         TODO("not implemented yet")
     }
 
-    override fun update(data: String) {
-        TODO("not implemented yet")
-    }
+
 
     override fun digest(): UByteArray {
         TODO("not implemented yet")
@@ -38,11 +37,7 @@ actual object Blake2bDelegatedStateless : Blake2bStateless {
         val hashed =  getSodium().crypto_generichash(64, Uint8Array(inputMessage.toByteArray().toTypedArray()))
         val hash = UByteArray(MAX_HASH_BYTES)
         for (i in 0 until MAX_HASH_BYTES) {
-            js(
-                """
-                    hash[i] = hashed[i]
-                """
-            )
+            hash[i] = hashed[i].toUByte()
         }
         return hash
     }

multiplatform-crypto-delegated/src/jsMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256Delegated.kt

@@ -2,7 +2,11 @@ package com.ionspin.kotlin.crypto.hash.sha
 
 import com.ionspin.kotlin.crypto.getSodium
 import com.ionspin.kotlin.crypto.hash.blake2b.Blake2bDelegatedStateless
+
+import ext.libsodium.crypto_hash_sha256_init
+
 import org.khronos.webgl.Uint8Array
+import org.khronos.webgl.get
 
 /**
  * Created by Ugljesa Jovanovic
@@ -12,16 +16,25 @@ import org.khronos.webgl.Uint8Array
 
 
 actual class Sha256Delegated actual constructor(key: UByteArray?, hashLength: Int) : Sha256 {
-    override fun update(data: UByteArray) {
-        TODO("not implemented yet")
+
+    val state : dynamic
+
+    init {
+        state = getSodium().crypto_hash_sha256_init()
     }
 
-    override fun update(data: String) {
-        TODO("not implemented yet")
+    override fun update(data: UByteArray) {
+        getSodium().crypto_hash_sha256_update(state, Uint8Array(data.toByteArray().toTypedArray()))
     }
 
     override fun digest(): UByteArray {
-        TODO("not implemented yet")
+        val hashed = getSodium().crypto_hash_sha256_final(state)
+        val hash = UByteArray(Sha256StatelessDelegated.MAX_HASH_BYTES)
+        console.log(hashed)
+        for (i in 0 until Sha256StatelessDelegated.MAX_HASH_BYTES) {
+            hash[i] = hashed[i].toUByte()
+        }
+        return hash
     }
 
 }
@@ -32,11 +45,7 @@ actual object Sha256StatelessDelegated : StatelessSha256 {
         val hashed = getSodium().crypto_hash_sha256(Uint8Array(inputMessage.toByteArray().toTypedArray()))
         val hash = UByteArray(MAX_HASH_BYTES)
         for (i in 0 until MAX_HASH_BYTES) {
-            js(
-                """
-                    hash[i] = hashed[i]
-                """
-            )
+            hash[i] = hashed[i].toUByte()
         }
         return hash
     }

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

@@ -1,5 +1,11 @@
 package com.ionspin.kotlin.crypto.hash.sha
 
+import com.ionspin.kotlin.crypto.getSodium
+import com.ionspin.kotlin.crypto.getSodium
+
+import org.khronos.webgl.Uint8Array
+import org.khronos.webgl.get
+
 /**
  * Created by Ugljesa Jovanovic
  * ugljesa.jovanovic@ionspin.com
@@ -8,16 +14,23 @@ package com.ionspin.kotlin.crypto.hash.sha
 
 
 actual class Sha512Delegated actual constructor(key: UByteArray?, hashLength: Int) : Sha512 {
-    override fun update(data: UByteArray) {
-        TODO("not implemented yet")
+    val state : dynamic
+
+    init {
+        state = getSodium().crypto_hash_sha512_init()
     }
 
-    override fun update(data: String) {
-        TODO("not implemented yet")
+    override fun update(data: UByteArray) {
+        getSodium().crypto_hash_sha512_update(state, Uint8Array(data.toByteArray().toTypedArray()))
     }
 
     override fun digest(): UByteArray {
-        TODO("not implemented yet")
+        val hashed = getSodium().crypto_hash_sha512_final(state)
+        val hash = UByteArray(Sha512StatelessDelegated.MAX_HASH_BYTES)
+        for (i in 0 until Sha512StatelessDelegated.MAX_HASH_BYTES) {
+            hash[i] = hashed[i].toUByte()
+        }
+        return hash
     }
 
 }
@@ -25,6 +38,11 @@ actual class Sha512Delegated actual constructor(key: UByteArray?, hashLength: In
 actual object Sha512StatelessDelegated : StatelessSha512 {
 
     override fun digest(inputMessage: UByteArray): UByteArray {
-        TODO("not implemented yet")
+        val hashed = getSodium().crypto_hash_sha512(Uint8Array(inputMessage.toByteArray().toTypedArray()))
+        val hash = UByteArray(Sha512StatelessDelegated.MAX_HASH_BYTES)
+        for (i in 0 until Sha512StatelessDelegated.MAX_HASH_BYTES) {
+            hash[i] = hashed[i].toUByte()
+        }
+        return hash
     }
 }

multiplatform-crypto-delegated/src/jsMain/kotlin/libsodium.kt

@@ -18,4 +18,11 @@ external val _libsodiumPromise : Promise<dynamic>
 external fun crypto_generichash(hashLength: Int, inputMessage: Uint8Array) : Uint8Array
 
 external fun crypto_hash_sha256(message: Uint8Array) : Uint8Array
+external fun crypto_hash_sha512(message: Uint8Array) : Uint8Array
+
+external fun crypto_hash_sha256_init(): dynamic
+
+
+
+
 

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

@@ -13,10 +13,6 @@ actual class Blake2bDelegated actual constructor(key: UByteArray?, hashLength: I
         TODO("not implemented yet")
     }
 
-    override fun update(data: String) {
-        TODO("not implemented yet")
-    }
-
     override fun digest(): UByteArray {
         TODO("not implemented yet")
     }

multiplatform-crypto-delegated/src/jvmMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256StatelessDelegated.kt

@@ -15,10 +15,6 @@ actual class Sha256Delegated actual constructor(key: UByteArray?, hashLength: In
         TODO("not implemented yet")
     }
 
-    override fun update(data: String) {
-        TODO("not implemented yet")
-    }
-
     override fun digest(): UByteArray {
         TODO("not implemented yet")
     }

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

@@ -12,10 +12,6 @@ actual class Sha512Delegated actual constructor(key: UByteArray?, hashLength: In
         TODO("not implemented yet")
     }
 
-    override fun update(data: String) {
-        TODO("not implemented yet")
-    }
-
     override fun digest(): UByteArray {
         TODO("not implemented yet")
     }

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

@@ -32,11 +32,6 @@ actual class Blake2bDelegated actual constructor(key: UByteArray?, hashLength: I
         crypto_generichash_update(state.ptr, data.toCValues(), data.size.convert())
     }
 
-    override fun update(data: String) {
-        val ubyteArray = data.encodeToByteArray().toUByteArray()
-        crypto_generichash_update(state.ptr, ubyteArray.toCValues(), ubyteArray.size.convert())
-    }
-
     override fun digest(): UByteArray {
         val hashResult = UByteArray(requestedHashLength)
         val hashResultPinned = hashResult.pin()

multiplatform-crypto-delegated/src/nativeMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256Delegated.kt

@@ -20,9 +20,7 @@ actual class Sha256Delegated actual constructor(key: UByteArray?, hashLength: In
         TODO("not implemented yet")
     }
 
-    override fun update(data: String) {
-        TODO("not implemented yet")
-    }
+
 
     override fun digest(): UByteArray {
         TODO("not implemented yet")

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

@@ -12,9 +12,7 @@ actual class Sha512Delegated actual constructor(key: UByteArray?, hashLength: In
         TODO("not implemented yet")
     }
 
-    override fun update(data: String) {
-        TODO("not implemented yet")
-    }
+
 
     override fun digest(): UByteArray {
         TODO("not implemented yet")

multiplatform-crypto-delegated/src/nativeTest/kotlin/com/ionspin/kotlin/crypto/hash/blake2b/Blake2bLinuxTest.kt

@@ -27,7 +27,7 @@ class Blake2bLinuxTest {
     @Test
     fun testBlake2bUpdateable() = testBlocking {
         val blake2b = Crypto.Blake2b.updateable()
-        blake2b.update("test")
+        blake2b.update("test".encodeToUByteArray())
         val result = blake2b.digest().toHexString()
         println(result)
         assertTrue { result.length > 2 }

multiplatform-crypto-delegated/src/nativeTest/kotlin/com/ionspin/kotlin/crypto/hash/blake2b/Sha512DelegatedLinuxTest.kt

@@ -27,7 +27,7 @@ class Sha512DelegatedLinuxTest {
     @Test
     fun testBlake2bUpdateable() = testBlocking {
         val blake2b = Crypto.Blake2b.updateable()
-        blake2b.update("test")
+        blake2b.update("test".encodeToUByteArray())
         val result = blake2b.digest().toHexString()
         println(result)
         assertTrue { result.length > 2 }

multiplatform-crypto/src/commonMain/kotlin/com/ionspin/kotlin/crypto/hash/blake2b/Blake2bPure.kt

@@ -309,7 +309,7 @@ class Blake2bPure(val key: UByteArray? = null, val hashLength: Int = 64) : Blake
 
     }
 
-    override fun update(data: String) {
+    fun update(data: String) {
         update(data.encodeToByteArray().toUByteArray())
     }
 

multiplatform-crypto/src/commonMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256Pure.kt

@@ -235,7 +235,7 @@ class Sha256Pure : Sha256 {
     var buffer = UByteArray(BLOCK_SIZE_IN_BYTES) { 0U }
 
 
-    override fun update(data: String) {
+    fun update(data: String) {
         return update(data.encodeToByteArray().toUByteArray())
     }
 

multiplatform-crypto/src/commonMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha512Pure.kt

@@ -309,7 +309,7 @@ class Sha512Pure : Sha512 {
     var buffer = UByteArray(BLOCK_SIZE_IN_BYTES) { 0U }
 
 
-    override fun update(data: String) {
+    fun update(data: String) {
         return update(data.encodeToByteArray().toUByteArray())
     }
 

sample/src/commonMain/kotlin/com/ionspin/kotlin/crypto/sample/Sample.kt

@@ -3,6 +3,7 @@ package com.ionspin.kotlin.crypto.sample
 import com.ionspin.kotlin.crypto.Crypto
 import com.ionspin.kotlin.crypto.CryptoProvider
 import com.ionspin.kotlin.crypto.hash.blake2b.Blake2b
+import com.ionspin.kotlin.crypto.hash.encodeToUByteArray
 import com.ionspin.kotlin.crypto.util.toHexString
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
@@ -20,7 +21,7 @@ object Sample {
     fun blake2b() {
         println("Blake2b updateable")
         val blake2bUpdateable = Crypto.Blake2b.updateable()
-        blake2bUpdateable.update("test")
+        blake2bUpdateable.update("test".encodeToUByteArray())
         println(blake2bUpdateable.digest().toHexString())
         println("Blake2b stateless")
         val statelessResult = Crypto.Blake2b.stateless("test".encodeToByteArray().toUByteArray())