build.gradle.kts

@@ -31,18 +31,14 @@ kotlin {
 
     sourceSets {
         commonMain.dependencies {
-            implementation(libs.mac)
-            implementation(libs.hash)
             implementation(libs.bytes)
+            implementation(libs.hash)
+            implementation(libs.mac)
         }
         commonTest.dependencies {
             implementation(libs.test)
         }
     }
-
-    compilerOptions {
-        freeCompilerArgs.add("-opt-in=kotlin.ExperimentalUnsignedTypes")
-    }
 }
 
 publishing.repositories {

gradle/libs.versions.toml

@@ -1,16 +1,16 @@
 [versions]
 infendro = "1.1.0"
 kotlin = "2.3.0"
-mac = "1.3.0"
-hash = "1.5.1"
-bytes = "1.3.4"
+bytes = "1.4.0"
+hash = "1.6.0"
+mac = "1.4.0"
 
 [plugins]
 infendro = { id = "com.infendro.plugin", version.ref = "infendro" }
 multiplatform = { id = "org.jetbrains.kotlin.multiplatform", version.ref = "kotlin" }
 
 [libraries]
-mac = { module = "com.infendro:mac", version.ref = "mac" }
-hash = { module = "com.infendro:hash", version.ref = "hash" }
 bytes = { module = "com.infendro:bytes", version.ref = "bytes" }
+hash = { module = "com.infendro:hash", version.ref = "hash" }
+mac = { module = "com.infendro:mac", version.ref = "mac" }
 test = { module = "org.jetbrains.kotlin:kotlin-test", version.ref = "kotlin" }

src/commonMain/kotlin/com/infendro/kdf/KDF.kt

@@ -7,18 +7,9 @@ interface KDF {
 
     fun hashInto(value: ByteArray, salt: ByteArray, destination: ByteArray, destinationOffset: Int = 0)
 
-    fun hashInto(value: ByteArray, salt: ByteArray, destination: UByteArray, destinationOffset: Int = 0) =
-        hashInto(value, salt, destination.asByteArray(), destinationOffset)
-
-    fun hashInto(value: UByteArray, salt: UByteArray, destination: ByteArray, destinationOffset: Int = 0) =
-        hashInto(value.asByteArray(), salt.asByteArray(), destination, destinationOffset)
-
-    fun hashInto(value: UByteArray, salt: UByteArray, destination: UByteArray, destinationOffset: Int = 0) =
-        hashInto(value.asByteArray(), salt.asByteArray(), destination.asByteArray(), destinationOffset)
-
-    fun hash(value: ByteArray, salt: ByteArray): ByteArray =
-        ByteArray(bytes).also { hashInto(value, salt, it) }
-
-    fun hash(value: UByteArray, salt: UByteArray): UByteArray =
-        UByteArray(bytes).also { hashInto(value, salt, it) }
+    fun hash(value: ByteArray, salt: ByteArray): ByteArray {
+        val result = ByteArray(bytes)
+        hashInto(value, salt, result)
+        return result
+    }
 }

src/commonMain/kotlin/com/infendro/kdf/PBKDF2.kt

@@ -19,8 +19,6 @@ class PBKDF2(
     private val hmac = HMAC(function)
 
     override fun hashInto(value: ByteArray, salt: ByteArray, destination: ByteArray, destinationOffset: Int) {
-        val buffer = ByteArray(hmac.bytes)
-
         for (iteration in 1..bytes.ceilDiv(hmac.bytes)) {
             val offset = (iteration - 1) * hmac.bytes
             val block = minOf(bytes - offset, hmac.bytes)
@@ -29,7 +27,7 @@ class PBKDF2(
             salt.copyInto(s)
             iteration.copyInto(s, salt.size)
 
-            hmac.hashInto(value, s, buffer)
+            val buffer = hmac.hash(value, s)
             buffer.copyInto(destination, destinationOffset + offset, endIndex = block)
             repeat(iterations - 1) {
                 hmac.hashInto(value, buffer, buffer)