Update README.md

small rewording, link wikipedia article

.gitea/workflows/main.yaml

@@ -1,36 +0,0 @@
-on:
-  push:
-    branches:
-      - main
-
-env:
-  INFENDRO__TOKEN: ${{ secrets.TOKEN }}
-
-jobs:
-  publish:
-    runs-on: linux
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: actions/cache/restore@v4
-        with:
-          key: gradle
-          path: |
-            ~/.gradle/caches/
-            ~/.gradle/wrapper/
-            ~/.konan/
-
-      - uses: actions/setup-java@v4
-        with:
-          java-version: '24'
-          distribution: 'temurin'
-
-      - run: ./gradlew publish
-
-      - uses: actions/cache/save@v4
-        with:
-          key: gradle
-          path: |
-            ~/.gradle/caches/
-            ~/.gradle/wrapper/
-            ~/.konan/

.gitea/workflows/publish.yaml

@@ -0,0 +1,47 @@
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+  publish:
+    runs-on: linux
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Java
+        uses: actions/setup-java@v4
+        with:
+          java-version: '24'
+          distribution: 'temurin'
+
+      - name: Cache Gradle
+        uses: actions/cache@v4
+        with:
+          key: gradle-${{ hashFiles('**/libs.versions.toml') }}
+          restore-keys: gradle
+          path: |
+            ~/.gradle/caches/
+            ~/.gradle/wrapper/
+
+      - name: Cache Konan
+        uses: actions/cache@v4
+        with:
+          key: konan-${{ hashFiles('**/libs.versions.toml') }}
+          restore-keys: konan
+          path: |
+            ~/.konan/
+
+      - name: Cache Node
+        uses: actions/cache@v4
+        with:
+          key: node-${{ hashFiles('**/libs.versions.toml') }}
+          restore-keys: node
+          path: |
+            ~/.gradle/nodejs
+            ~/.gradle/yarn
+
+      - name: Publish
+        run: ./gradlew publish
+        env:
+          INFENDRO__TOKEN: ${{ secrets.TOKEN }}

.gitea/workflows/test.yaml

@@ -0,0 +1,28 @@
+on:
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: linux
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Java
+        uses: actions/setup-java@v4
+        with:
+          java-version: '24'
+          distribution: 'temurin'
+
+      - name: Cache Gradle
+        uses: actions/cache@v4
+        with:
+          key: gradle-${{ hashFiles('**/libs.versions.toml') }}
+          restore-keys: gradle
+          path: |
+            ~/.gradle/caches/
+            ~/.gradle/wrapper/
+
+      - name: Test
+        run: ./gradlew jvmTest

README.md

@@ -1,19 +1,10 @@
-# mac-kt
+# mac.kt
 
-`mac-kt` is a Kotlin Multiplatform library that provides common MAC implementations.
+`mac.kt` is a Kotlin Multiplatform library that provides common [Message Authentication Codes](https://en.wikipedia.org/wiki/Message_authentication_code).
 
-Supported MACs:
+Supported algorithms:
 - HMAC
 
-## Targets
-
-| Target           | Status        |
-|------------------|---------------|
-| JVM              | Supported     |
-| JavaScript       | Supported     |
-| Native (Linux)   | Supported     |
-| Native (Windows) | Not Supported |
-
 ## Installation
 
 Add the following to your `build.gradle.kts`.
@@ -24,25 +15,20 @@ repositories {
 }
 
 dependencies {
-    implementation("com.infendro:mac:1.2.0")
+    implementation("com.infendro:mac:1.5.0")
 }
 ```
 
 ## Usage
 
 ```kotlin
-import com.infendro.hash.sha1.SHA1
-import com.infendro.mac.HMAC
-
 fun main() {
     // create an HMAC instance using SHA1
-    val hmac = HMAC(SHA1)
+    val hmac = HMAC(SHA1())
 
     // generate MAC
-    val key = "secret"
-        .encodeToByteArray().asUByteArray()
-    val value = "Hello World!"
-        .encodeToByteArray().asUByteArray()
+    val key = "secret".encodeToByteArray()
+    val value = "Hello World!".encodeToByteArray()
     val mac = hmac.hash(key, value)
 }
 ```

build.gradle.kts

@@ -1,8 +1,11 @@
+@file:OptIn(ExperimentalWasmDsl::class)
+
 import com.infendro.plugin.infendro
 import com.infendro.plugin.token
+import org.jetbrains.kotlin.gradle.ExperimentalWasmDsl
 
 group = "com.infendro"
-version = "1.2.0"
+version = "1.5.0"
 
 plugins {
     alias(libs.plugins.infendro)
@@ -12,10 +15,14 @@ plugins {
 
 kotlin {
     jvm()
-    js {
-        nodejs()
-    }
     linuxX64()
+    linuxArm64()
+    mingwX64()
+    macosX64()
+    macosArm64()
+    js { nodejs() }
+    wasmJs { nodejs() }
+    wasmWasi { nodejs() }
 
     repositories {
         infendro()
@@ -24,17 +31,13 @@ kotlin {
 
     sourceSets {
         commonMain.dependencies {
+            implementation(libs.bytes)
             implementation(libs.hash)
-            implementation(libs.bytearray)
         }
         commonTest.dependencies {
             implementation(libs.test)
         }
     }
-
-    compilerOptions {
-        freeCompilerArgs.add("-opt-in=kotlin.ExperimentalUnsignedTypes")
-    }
 }
 
 publishing.repositories {

gradle/libs.versions.toml

@@ -1,14 +1,14 @@
 [versions]
-infendro = "1.0.0"
-kotlin = "2.2.21"
-hash = "1.3.2"
-bytearray = "1.2.4"
+infendro = "1.1.0"
+kotlin = "2.3.0"
+bytes = "1.4.1"
+hash = "1.7.0"
 
 [plugins]
 infendro = { id = "com.infendro.plugin", version.ref = "infendro" }
 multiplatform = { id = "org.jetbrains.kotlin.multiplatform", version.ref = "kotlin" }
 
 [libraries]
+bytes = { module = "com.infendro:bytes", version.ref = "bytes" }
 hash = { module = "com.infendro:hash", version.ref = "hash" }
-bytearray = { module = "com.infendro:bytearray", version.ref = "bytearray" }
 test = { module = "org.jetbrains.kotlin:kotlin-test", version.ref = "kotlin" }

src/commonMain/kotlin/com/infendro/mac/HMAC.kt

@@ -1,33 +1,63 @@
 package com.infendro.mac
 
-import com.infendro.bytearray.padEnd
+import com.infendro.bytes.bytearray.xorInto
 import com.infendro.hash.HashFunction
 
 class HMAC(
     val function: HashFunction,
-) : MAC {
-    override val bytes: Int
-        get() = function.bytes
+) : MAC(function.bytes) {
+    private var initialized = false
+    private val innerPadding: ByteArray = ByteArray(function.block)
+    private val outerPadding: ByteArray = ByteArray(function.block)
+    private val inner: ByteArray = ByteArray(function.bytes)
 
-    override fun hash(
-        key: UByteArray,
-        value: UByteArray,
-    ): UByteArray {
-        val paddedKey = pad(key)
-
-        val innerKey = paddedKey.map { it xor 0x36U }.toUByteArray()
-        val outerKey = paddedKey.map { it xor 0x5CU }.toUByteArray()
-
-        return function.hash(outerKey + function.hash(innerKey + value))
+    override fun reset() {
+        function.reset()
+        initialized = false
+        innerPadding.fill(0x00)
+        outerPadding.fill(0x00)
     }
 
-    private fun pad(
-        key: UByteArray,
-    ): UByteArray {
-        return when {
-            key.size > function.block -> function.hash(key)
-            key.size < function.block -> key.padEnd(function.block, 0x00U)
-            else -> key
+    override fun init(key: ByteArray) {
+        val padded = pad(key)
+        padded.xorInto(0x36, innerPadding)
+        padded.xorInto(0x5C, outerPadding)
+
+        function.reset()
+        function.update(innerPadding)
+
+        initialized = true
     }
+
+    override fun update(byte: Byte) {
+        require(initialized)
+
+        function.update(byte)
+    }
+
+    override fun update(bytes: ByteArray) {
+        require(initialized)
+
+        function.update(bytes)
+    }
+
+    override fun digestInto(destination: ByteArray, destinationOffset: Int) {
+        require(initialized)
+
+        function.digestInto(inner)
+        function.update(outerPadding)
+        function.update(inner)
+        function.digestInto(destination, destinationOffset)
+
+        function.update(innerPadding)
+    }
+
+    private fun pad(key: ByteArray): ByteArray {
+        val padded = ByteArray(function.block)
+        when {
+            key.size > function.block -> function.hashInto(key, padded)
+            else -> key.copyInto(padded)
+        }
+        return padded
     }
 }

src/commonMain/kotlin/com/infendro/mac/MAC.kt

@@ -1,12 +1,38 @@
 package com.infendro.mac
 
-interface MAC {
-    val bytes: Int
+abstract class MAC(
+    val bytes: Int,
+) {
     val bits: Int
         get() = bytes * 8
 
-    fun hash(
-        key: UByteArray,
-        value: UByteArray,
-    ): UByteArray
+    abstract fun reset()
+
+    abstract fun init(key: ByteArray)
+
+    abstract fun update(byte: Byte)
+    abstract fun update(bytes: ByteArray)
+
+    abstract fun digestInto(destination: ByteArray, destinationOffset: Int = 0)
+
+    fun digest(): ByteArray {
+        val result = ByteArray(bytes)
+        digestInto(result)
+        return result
+    }
+
+    fun hashInto(key: ByteArray, value: ByteArray, destination: ByteArray, destinationOffset: Int = 0) {
+        init(key)
+        update(value)
+        digestInto(destination, destinationOffset)
+        reset()
+    }
+
+    fun hash(key: ByteArray, value: ByteArray): ByteArray {
+        init(key)
+        update(value)
+        val result = digest()
+        reset()
+        return result
+    }
 }

src/commonTest/kotlin/com/infendro/mac/HMAC.kt

@@ -1,13 +1,12 @@
 package com.infendro.mac
 
-import com.infendro.bytearray.encodeToUByteArray
 import com.infendro.hash.sha2.`SHA-256`
 import kotlin.test.Test
 import kotlin.test.assertContentEquals
 import kotlin.test.assertEquals
 
 class `HMAC Test` {
-    val hmac = HMAC(`SHA-256`)
+    val hmac = HMAC(`SHA-256`())
 
     @Test
     fun bytes() {
@@ -16,22 +15,17 @@ class `HMAC Test` {
     }
 
     @Test
-    fun `hash() - example`() {
-        assertContentEquals(
-            ubyteArrayOf(
-                0xf7U, 0xbcU, 0x83U, 0xf4U,
-                0x30U, 0x53U, 0x84U, 0x24U,
-                0xb1U, 0x32U, 0x98U, 0xe6U,
-                0xaaU, 0x6fU, 0xb1U, 0x43U,
-                0xefU, 0x4dU, 0x59U, 0xa1U,
-                0x49U, 0x46U, 0x17U, 0x59U,
-                0x97U, 0x47U, 0x9dU, 0xbcU,
-                0x2dU, 0x1aU, 0x3cU, 0xd8U,
-            ),
-            hmac.hash(
-                "key".encodeToUByteArray(),
-                "The quick brown fox jumps over the lazy dog".encodeToUByteArray()
+    fun example() {
+        val expected = byteArrayOf(
+            -0x09, -0x44, -0x7d, -0x0c, +0x30, +0x53, -0x7c, +0x24,
+            -0x4f, +0x32, -0x68, -0x1a, -0x56, +0x6f, -0x4f, +0x43,
+            -0x11, +0x4d, +0x59, -0x5f, +0x49, +0x46, +0x17, +0x59,
+            -0x69, +0x47, -0x63, -0x44, +0x2d, +0x1a, +0x3c, -0x28,
         )
+        val actual = hmac.hash(
+            "key".encodeToByteArray(),
+            "The quick brown fox jumps over the lazy dog".encodeToByteArray(),
         )
+        assertContentEquals(expected, actual)
     }
 }