diff --git a/buildSrc/src/main/kotlin/Deps.kt b/buildSrc/src/main/kotlin/Deps.kt
index 5b04e3c..170b360 100644
--- a/buildSrc/src/main/kotlin/Deps.kt
+++ b/buildSrc/src/main/kotlin/Deps.kt
@@ -25,6 +25,9 @@ object Versions {
 
     val kotlinBigNumVersion = "0.1.6-1.4-M2-SNAPSHOT"
 
+    val lazySodium = "4.2.6"
+    val jna = "5.5.0"
+
 
 }
 
@@ -76,6 +79,11 @@ object Deps {
         val serialization = "org.jetbrains.kotlinx:kotlinx-serialization-runtime:${Versions.kotlinSerialization}"
 //        val coroutinesTest = "org.jetbrains.kotlinx:kotlinx-coroutines-test:${Versions.kotlinCoroutines}"
         val coroutinesTest = "com.ionspin.kotlin.coroutines:kotlinx-coroutines-test:${Versions.kotlinCoroutines}"
+
+        object Delegated {
+            val lazysodium = "com.goterl.lazycode:lazysodium-java:${Versions.lazySodium}"
+            val jna = "net.java.dev.jna:jna:${Versions.jna}"
+        }
     }
 
     object iOs {
diff --git a/multiplatform-crypto-delegated/build.gradle.kts b/multiplatform-crypto-delegated/build.gradle.kts
index 2698e6d..e4cac24 100644
--- a/multiplatform-crypto-delegated/build.gradle.kts
+++ b/multiplatform-crypto-delegated/build.gradle.kts
@@ -421,6 +421,10 @@ kotlin {
                     implementation(kotlin(Deps.Jvm.test))
                     implementation(kotlin(Deps.Jvm.testJUnit))
                     implementation(Deps.Jvm.coroutinesCore)
+
+                    //lazysodium
+                    implementation(Deps.Jvm.Delegated.lazysodium)
+                    implementation(Deps.Jvm.Delegated.jna)
                 }
             }
             val jvmTest by getting {
diff --git a/multiplatform-crypto-delegated/src/commonMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256Delegated.kt b/multiplatform-crypto-delegated/src/commonMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256Delegated.kt
index 31f4716..b53b3df 100644
--- a/multiplatform-crypto-delegated/src/commonMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256Delegated.kt
+++ b/multiplatform-crypto-delegated/src/commonMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256Delegated.kt
@@ -24,6 +24,6 @@ package com.ionspin.kotlin.crypto.hash.sha
  */
 
 
-expect class Sha256Delegated(key: UByteArray? = null, hashLength: Int = Sha256Properties.MAX_HASH_BYTES) : Sha256
+expect class Sha256Delegated() : Sha256
 
 expect object Sha256StatelessDelegated : StatelessSha256
\ No newline at end of file
diff --git a/multiplatform-crypto-delegated/src/jsMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256Delegated.kt b/multiplatform-crypto-delegated/src/jsMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256Delegated.kt
index 79806a7..455de8e 100644
--- a/multiplatform-crypto-delegated/src/jsMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256Delegated.kt
+++ b/multiplatform-crypto-delegated/src/jsMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256Delegated.kt
@@ -15,7 +15,7 @@ import org.khronos.webgl.get
  */
 
 
-actual class Sha256Delegated actual constructor(key: UByteArray?, hashLength: Int) : Sha256 {
+actual class Sha256Delegated actual constructor() : Sha256 {
 
     val state : dynamic
 
diff --git a/multiplatform-crypto-delegated/src/jvmMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256StatelessDelegated.kt b/multiplatform-crypto-delegated/src/jvmMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256StatelessDelegated.kt
index caf5973..24be6d4 100644
--- a/multiplatform-crypto-delegated/src/jvmMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256StatelessDelegated.kt
+++ b/multiplatform-crypto-delegated/src/jvmMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256StatelessDelegated.kt
@@ -11,6 +11,7 @@ import java.security.MessageDigest
 
 
 actual class Sha256Delegated actual constructor(key: UByteArray?, hashLength: Int) : Sha256 {
+
     override fun update(data: UByteArray) {
         TODO("not implemented yet")
     }
diff --git a/multiplatform-crypto-delegated/src/nativeMain/kotlin/com/ionspin/kotlin/crypto/hash/blake2b/Blake2bDelegated.kt b/multiplatform-crypto-delegated/src/nativeMain/kotlin/com/ionspin/kotlin/crypto/hash/blake2b/Blake2bDelegated.kt
index d6fd6ef..7b49789 100644
--- a/multiplatform-crypto-delegated/src/nativeMain/kotlin/com/ionspin/kotlin/crypto/hash/blake2b/Blake2bDelegated.kt
+++ b/multiplatform-crypto-delegated/src/nativeMain/kotlin/com/ionspin/kotlin/crypto/hash/blake2b/Blake2bDelegated.kt
@@ -2,6 +2,7 @@ package com.ionspin.kotlin.crypto.hash.blake2b
 import com.ionspin.kotlin.crypto.util.toHexString
 import kotlinx.cinterop.*
 import libsodium.*
+import platform.posix.free
 import platform.posix.malloc
 /**
  * Created by Ugljesa Jovanovic
@@ -16,16 +17,10 @@ actual class Blake2bDelegated actual constructor(key: UByteArray?, hashLength: I
     val requestedHashLength : Int
     val state : crypto_generichash_state
     init {
-        println("Initializing libsodium hash")
         requestedHashLength = hashLength
-        println("Size ${crypto_generichash_state.size}")
-        println("Align ${crypto_generichash_state.align}")
-        println("Using sodium malloc for state")
-        val allocated = sodium_malloc(crypto_generichash_state.size.convert())!!
+        val allocated = malloc(crypto_generichash_state.size.convert())!!
         state = allocated.reinterpret<crypto_generichash_state>().pointed
-        println("allocated state")
         crypto_generichash_init(state.ptr, key?.run { this.toUByteArray().toCValues() }, key?.size?.convert() ?: 0UL.convert(), hashLength.convert())
-        println("Initialized libsodium hash")
     }
 
     override fun update(data: UByteArray) {
@@ -36,7 +31,7 @@ actual class Blake2bDelegated actual constructor(key: UByteArray?, hashLength: I
         val hashResult = UByteArray(requestedHashLength)
         val hashResultPinned = hashResult.pin()
         crypto_generichash_final(state.ptr, hashResultPinned.addressOf(0), requestedHashLength.convert())
-        sodium_free(state.ptr)
+        free(state.ptr)
         return hashResult
     }
 
diff --git a/multiplatform-crypto-delegated/src/nativeMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256Delegated.kt b/multiplatform-crypto-delegated/src/nativeMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256Delegated.kt
index 0b17a98..b0e5f38 100644
--- a/multiplatform-crypto-delegated/src/nativeMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256Delegated.kt
+++ b/multiplatform-crypto-delegated/src/nativeMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256Delegated.kt
@@ -1,11 +1,10 @@
 package com.ionspin.kotlin.crypto.hash.sha
 
 import com.ionspin.kotlin.crypto.hash.blake2b.Blake2bDelegatedStateless
-import kotlinx.cinterop.addressOf
-import kotlinx.cinterop.convert
-import kotlinx.cinterop.pin
-import kotlinx.cinterop.toCValues
-import libsodium.crypto_hash_sha256
+import kotlinx.cinterop.*
+import libsodium.*
+import platform.posix.free
+import platform.posix.malloc
 
 /**
  * Created by Ugljesa Jovanovic
@@ -14,16 +13,28 @@ import libsodium.crypto_hash_sha256
  */
 
 
-actual class Sha256Delegated actual constructor(key: UByteArray?, hashLength: Int) : Sha256 {
+actual class Sha256Delegated actual constructor() : Sha256 {
+
+    val state : crypto_hash_sha256_state
+
+    init {
+        val allocated = malloc(crypto_hash_sha256_state.size.convert())!!
+        state = allocated.reinterpret<crypto_hash_sha256_state>().pointed
+        crypto_hash_sha256_init(state.ptr)
+    }
 
     override fun update(data: UByteArray) {
-        TODO("not implemented yet")
+        crypto_hash_sha256_update(state.ptr, data.toCValues(), data.size.convert())
     }
 
 
 
     override fun digest(): UByteArray {
-        TODO("not implemented yet")
+        val hashResult = UByteArray(Sha256Properties.MAX_HASH_BYTES)
+        val hashResultPinned = hashResult.pin()
+        crypto_hash_sha256_final(state.ptr, hashResultPinned.addressOf(0))
+        free(state.ptr)
+        return hashResult
     }
 
 
diff --git a/multiplatform-crypto-delegated/src/nativeMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha512Delegated.kt b/multiplatform-crypto-delegated/src/nativeMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha512Delegated.kt
index 00b54fa..b37c6e3 100644
--- a/multiplatform-crypto-delegated/src/nativeMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha512Delegated.kt
+++ b/multiplatform-crypto-delegated/src/nativeMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha512Delegated.kt
@@ -1,5 +1,10 @@
 package com.ionspin.kotlin.crypto.hash.sha
 
+import kotlinx.cinterop.*
+import libsodium.*
+import platform.posix.free
+import platform.posix.malloc
+
 /**
  * Created by Ugljesa Jovanovic
  * ugljesa.jovanovic@ionspin.com
@@ -8,14 +13,26 @@ package com.ionspin.kotlin.crypto.hash.sha
 
 
 actual class Sha512Delegated actual constructor(key: UByteArray?, hashLength: Int) : Sha512 {
+    val state : crypto_hash_sha512_state
+
+    init {
+        val allocated = malloc(crypto_hash_sha512_state.size.convert())!!
+        state = allocated.reinterpret<crypto_hash_sha512_state>().pointed
+        crypto_hash_sha512_init(state.ptr)
+    }
+
     override fun update(data: UByteArray) {
-        TODO("not implemented yet")
+        crypto_hash_sha512_update(state.ptr, data.toCValues(), data.size.convert())
     }
 
 
 
     override fun digest(): UByteArray {
-        TODO("not implemented yet")
+        val hashResult = UByteArray(Sha512Properties.MAX_HASH_BYTES)
+        val hashResultPinned = hashResult.pin()
+        crypto_hash_sha512_final(state.ptr, hashResultPinned.addressOf(0))
+        free(state.ptr)
+        return hashResult
     }
 
 }
@@ -23,6 +40,10 @@ actual class Sha512Delegated actual constructor(key: UByteArray?, hashLength: In
 actual object Sha512StatelessDelegated : StatelessSha512 {
 
     override fun digest(inputMessage: UByteArray): UByteArray {
-        TODO("not implemented yet")
+        val hashResult = UByteArray(Sha512StatelessDelegated.MAX_HASH_BYTES)
+        val hashResultPinned = hashResult.pin()
+        crypto_hash_sha512(hashResultPinned.addressOf(0), inputMessage.toCValues(), inputMessage.size.convert())
+        hashResultPinned.unpin()
+        return hashResult
     }
 }
\ No newline at end of file
diff --git a/multiplatform-crypto-delegated/src/nativeTest/kotlin/com/ionspin/kotlin/crypto/hash/blake2b/Sha512DelegatedLinuxTest.kt b/multiplatform-crypto-delegated/src/nativeTest/kotlin/com/ionspin/kotlin/crypto/hash/blake2b/Sha512DelegatedLinuxTest.kt
index 5dabed5..685af96 100644
--- a/multiplatform-crypto-delegated/src/nativeTest/kotlin/com/ionspin/kotlin/crypto/hash/blake2b/Sha512DelegatedLinuxTest.kt
+++ b/multiplatform-crypto-delegated/src/nativeTest/kotlin/com/ionspin/kotlin/crypto/hash/blake2b/Sha512DelegatedLinuxTest.kt
@@ -35,6 +35,7 @@ class Sha512DelegatedLinuxTest {
 
     @Test
     fun testBlake2BStateless() = testBlocking {
-        Blake2bDelegatedStateless.digest("test".encodeToUByteArray())
+        val result = Blake2bDelegatedStateless.digest("test".encodeToUByteArray())
+        println(result.toHexString())
     }
 }
\ No newline at end of file