Got valid blake2b hash

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

@@ -1,5 +1,6 @@
 package com.ionspin.kotlin.crypto
 
+import com.ionspin.kotlin.crypto.hash.blake2b.Blake2bStateless
 import com.ionspin.kotlin.crypto.hash.sha.Sha256Pure
 import com.ionspin.kotlin.crypto.hash.sha.Sha512Pure
 
@@ -9,5 +10,6 @@ import com.ionspin.kotlin.crypto.hash.sha.Sha512Pure
  * on 24-May-2020
  */
 
+
 typealias Sha256Stateless = Sha256Pure.Companion
 typealias Sha512Stateless = Sha512Pure.Companion

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

@@ -30,6 +30,6 @@ import com.ionspin.kotlin.crypto.util.rotateRight
 @ExperimentalUnsignedTypes
 expect class Blake2bDelegated(key: UByteArray? = null, hashLength: Int = 64) : Blake2b
 
-expect class Blake2bStateless : Blake2bStatelessInterface
+expect object Blake2bStateless : Blake2bStatelessInterface
 
 

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

@@ -29,7 +29,7 @@ actual class Blake2bDelegated actual constructor(key: UByteArray?, hashLength: I
 }
 
 @ExperimentalUnsignedTypes
-actual class Blake2bStateless : Blake2bStatelessInterface {
+actual object Blake2bStateless : Blake2bStatelessInterface {
     override fun digest(inputString: String, key: String?, hashLength: Int): UByteArray {
         TODO("not implemented yet")
     }

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

@@ -28,7 +28,7 @@ actual class Blake2bDelegated actual constructor(key: UByteArray?, hashLength: I
     }
 }
 @ExperimentalUnsignedTypes
-actual class Blake2bStateless : Blake2bStatelessInterface {
+actual object Blake2bStateless : Blake2bStatelessInterface {
     override fun digest(inputString: String, key: String?, hashLength: Int): UByteArray {
         TODO("not implemented yet")
     }

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

@@ -1,4 +1,5 @@
 package com.ionspin.kotlin.crypto.hash.blake2b
+import com.ionspin.kotlin.crypto.util.toHexString
 import interop.*
 import kotlinx.cinterop.*
 import libsodium.*
@@ -10,7 +11,7 @@ import libsodium.*
 
 @ExperimentalUnsignedTypes
 actual class Blake2bDelegated actual constructor(key: UByteArray?, hashLength: Int) : Blake2b {
-    override val MAX_HASH_BYTES: Int = 1024
+    override val MAX_HASH_BYTES: Int = 64
 
     override fun update(data: UByteArray) {
         TODO("not implemented yet")
@@ -31,16 +32,30 @@ actual class Blake2bDelegated actual constructor(key: UByteArray?, hashLength: I
     }
 }
 
-actual class Blake2bStateless : Blake2bStatelessInterface {
+@Suppress("EXPERIMENTAL_API_USAGE", "EXPERIMENTAL_UNSIGNED_LITERALS")
+actual object Blake2bStateless : Blake2bStatelessInterface {
     override fun digest(inputString: String, key: String?, hashLength: Int): UByteArray {
-        TODO("not implemented yet")
+        return memScoped {
+            val hashResult = UByteArray(MAX_HASH_BYTES)
+            val hashPointer = hashResult.toCValues().getPointer(this)
+            crypto_generichash(
+                hashPointer,
+                hashLength.toULong(),
+                inputString.cstr.getPointer(this).reinterpret(),
+                inputString.length.toULong(), key?.cstr?.getPointer(this)?.reinterpret(),
+                key?.length?.toULong() ?: 0UL
+            )
+            println("HashPointer: ${hashPointer.readBytes(MAX_HASH_BYTES).toUByteArray().toHexString()}")
+            println(hashResult.toHexString())
+            hashResult
+        }
+
     }
 
     override fun digest(inputMessage: UByteArray, key: UByteArray, hashLength: Int): UByteArray {
         TODO("not implemented yet")
     }
 
-    override val MAX_HASH_BYTES: Int
-        get() = TODO("not implemented yet")
+    override val MAX_HASH_BYTES: Int = 64
 
 }

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

@@ -20,4 +20,9 @@ class Blake2bLinuxTest {
         println("Sodium init $sodiumInitResult")
         println("1")
     }
+
+    @Test
+    fun testBlake2BSodiumInterop() {
+        Blake2bStateless.digest("test")
+    }
 }

multiplatform-crypto/src/commonTest/kotlin/com/ionspin/kotlin/crypto/ReadmeTest.kt

@@ -22,6 +22,7 @@ import com.ionspin.kotlin.crypto.hash.sha.Sha512Pure
 import com.ionspin.kotlin.crypto.keyderivation.argon2.Argon2Pure
 import com.ionspin.kotlin.crypto.keyderivation.argon2.ArgonType
 import com.ionspin.kotlin.crypto.util.testBlocking
+import com.ionspin.kotlin.crypto.util.toHexString
 import kotlin.test.Test
 import kotlin.test.assertEquals
 import kotlin.test.assertTrue
@@ -155,5 +156,11 @@ class ReadmeTest {
 
     }
 
+    @Test
+    fun debugTest() {
+        val result = Blake2bStateless.digest("test")
+        println(result.toHexString())
+    }
+
 
 }