remove unsigned support

src/commonMain/kotlin/com/infendro/hash/HashFunction.kt

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

src/commonMain/kotlin/com/infendro/hash/blake/Blake-224.kt

@@ -12,24 +12,23 @@ object `Blake-224` : HashFunction {
     override val block: Int
         get() = 64
 
-    private val initial = uintArrayOf(
-        0xc1059ed8U, 0x367cd507U,
-        0x3070dd17U, 0xf70e5939U,
-        0xffc00b31U, 0x68581511U,
-        0x64f98fa7U, 0xbefa4fa4U,
-    ).asIntArray()
+    private val initial = intArrayOf(
+        -0x3efa6128, +0x367cd507,
+        +0x3070dd17, -0x08f1a6c7,
+        -0x003ff4cf, +0x68581511,
+        +0x64f98fa7, -0x4105b05c,
+    )
 
     override fun hashInto(value: ByteArray, destination: ByteArray, destinationOffset: Int) {
         val length = value.size.toULong() * 8UL
         val input = pad(value)
         val h = initial.copyOf()
-        val m = IntArray(16)
-        val v = IntArray(16)
         var t = 0U
 
         for (i in input.indices step block) {
             t += minOf(length - t, 512UL).toUInt()
-            `Blake-256`.compress(h, input, i, m, v, t)
+            val block = input.sliceArray(i..<(i + block))
+            `Blake-256`.compress(h, block, t)
         }
         h.copyInto(destination, destinationOffset, endIndex = 7)
     }

src/commonMain/kotlin/com/infendro/hash/blake/Blake-256.kt

@@ -1,6 +1,6 @@
 package com.infendro.hash.blake
 
-import com.infendro.bytes.bytearray.copyInto
+import com.infendro.bytes.bytearray.toIntArray
 import com.infendro.bytes.intarray.copyInto
 import com.infendro.bytes.ulong.copyInto
 import com.infendro.hash.HashFunction
@@ -13,23 +13,23 @@ object `Blake-256` : HashFunction {
     override val block: Int
         get() = 64
 
-    private val initial = uintArrayOf(
-        0x6a09e667U, 0xbb67ae85U,
-        0x3c6ef372U, 0xa54ff53aU,
-        0x510e527fU, 0x9b05688cU,
-        0x1f83d9abU, 0x5be0cd19U,
-    ).asIntArray()
+    private val initial = intArrayOf(
+        +0x6a09e667, -0x4498517b,
+        +0x3c6ef372, -0x5ab00ac6,
+        +0x510e527f, -0x64fa9774,
+        +0x1f83d9ab, +0x5be0cd19,
+    )
 
-    private val c = uintArrayOf(
-        0x243f6a88U, 0x85a308d3U,
-        0x13198a2eU, 0x03707344U,
-        0xa4093822U, 0x299f31d0U,
-        0x082efa98U, 0xec4e6c89U,
-        0x452821e6U, 0x38d01377U,
-        0xbe5466cfU, 0x34e90c6cU,
-        0xc0ac29b7U, 0xc97c50ddU,
-        0x3f84d5b5U, 0xb5470917U,
-    ).asIntArray()
+    private val c = intArrayOf(
+        +0x243f6a88, -0x7a5cf72d,
+        +0x13198a2e, +0x03707344,
+        -0x5bf6c7de, +0x299f31d0,
+        +0x082efa98, -0x13b19377,
+        +0x452821e6, +0x38d01377,
+        -0x41ab9931, +0x34e90c6c,
+        -0x3f53d649, -0x3683af23,
+        +0x3f84d5b5, -0x4ab8f6e9,
+    )
 
     private val sigma = arrayOf(
         intArrayOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15),
@@ -48,13 +48,12 @@ object `Blake-256` : HashFunction {
         val length = value.size.toULong() * 8UL
         val input = pad(value)
         val h = initial.copyOf()
-        val m = IntArray(16)
-        val v = IntArray(16)
         var t = 0U
 
         for (i in input.indices step block) {
             t += minOf(length - t, 512UL).toUInt()
-            compress(h, input, i, m, v, t)
+            val block = input.sliceArray(i..<(i + block))
+            compress(h, block, t)
         }
         h.copyInto(destination, destinationOffset)
     }
@@ -71,8 +70,9 @@ object `Blake-256` : HashFunction {
         }
     }
 
-    internal fun compress(h: IntArray, value: ByteArray, offset: Int, m: IntArray, v: IntArray, t: UInt) {
-        value.copyInto(m, startIndex = offset, endIndex = offset + block)
+    internal fun compress(h: IntArray, block: ByteArray, t: UInt) {
+        val m = block.toIntArray()
+        val v = IntArray(16)
         for (i in 0..<8) v[i] = h[i]
         for (i in 0..<4) v[i + 8] = c[i]
         for (i in 0..<2) v[i + 12] = c[i + 4] xor t.toInt()

src/commonMain/kotlin/com/infendro/hash/blake/Blake-384.kt

@@ -12,24 +12,23 @@ object `Blake-384` : HashFunction {
     override val block: Int
         get() = 128
 
-    private val initial = ulongArrayOf(
-        0xcbbb9d5dc1059ed8U, 0x629a292a367cd507U,
-        0x9159015a3070dd17U, 0x152fecd8f70e5939U,
-        0x67332667ffc00b31U, 0x8eb44a8768581511U,
-        0xdb0c2e0d64f98fa7U, 0x47b5481dbefa4fa4U,
-    ).asLongArray()
+    private val initial = longArrayOf(
+        -0x344462a23efa6128, +0x629a292a367cd507,
+        -0x6ea6fea5cf8f22e9, +0x152fecd8f70e5939,
+        +0x67332667ffc00b31, -0x714bb57897a7eaef,
+        -0x24f3d1f29b067059, +0x47b5481dbefa4fa4,
+    )
 
     override fun hashInto(value: ByteArray, destination: ByteArray, destinationOffset: Int) {
         val length = value.size.toULong() * 8UL
         val input = pad(value)
         val h = initial.copyOf()
-        val m = LongArray(16)
-        val v = LongArray(16)
         var t = 0UL
 
         for (i in input.indices step block) {
             t += minOf(length - t, 1024UL)
-            `Blake-512`.compress(h, input, i, m, v, t)
+            val block = input.sliceArray(i..<(i + block))
+            `Blake-512`.compress(h, block, t)
         }
         h.copyInto(destination, destinationOffset, endIndex = 6)
     }

src/commonMain/kotlin/com/infendro/hash/blake/Blake-512.kt

@@ -1,6 +1,6 @@
 package com.infendro.hash.blake
 
-import com.infendro.bytes.bytearray.copyInto
+import com.infendro.bytes.bytearray.toLongArray
 import com.infendro.bytes.longarray.copyInto
 import com.infendro.bytes.ulong.copyInto
 import com.infendro.hash.HashFunction
@@ -13,23 +13,23 @@ object `Blake-512` : HashFunction {
     override val block: Int
         get() = 128
 
-    private val initial = ulongArrayOf(
-        0x6a09e667f3bcc908UL, 0xbb67ae8584caa73bUL,
-        0x3c6ef372fe94f82bUL, 0xa54ff53a5f1d36f1UL,
-        0x510e527fade682d1UL, 0x9b05688c2b3e6c1fUL,
-        0x1f83d9abfb41bd6bUL, 0x5be0cd19137e2179UL,
-    ).asLongArray()
+    private val initial = longArrayOf(
+        +0x6a09e667f3bcc908L, -0x4498517a7b3558c5L,
+        +0x3c6ef372fe94f82bL, -0x5ab00ac5a0e2c90fL,
+        +0x510e527fade682d1L, -0x64fa9773d4c193e1L,
+        +0x1f83d9abfb41bd6bL, +0x5be0cd19137e2179L,
+    )
 
-    private val c = ulongArrayOf(
-        0x243f6a8885a308d3UL, 0x13198a2e03707344UL,
-        0xa4093822299f31d0UL, 0x082efa98ec4e6c89UL,
-        0x452821e638d01377UL, 0xbe5466cf34e90c6cUL,
-        0xc0ac29b7c97c50ddUL, 0x3f84d5b5b5470917UL,
-        0x9216d5d98979fb1bUL, 0xd1310ba698dfb5acUL,
-        0x2ffd72dbd01adfb7UL, 0xb8e1afed6a267e96UL,
-        0xba7c9045f12c7f99UL, 0x24a19947b3916cf7UL,
-        0x0801f2e2858efc16UL, 0x636920d871574e69UL,
-    ).asLongArray()
+    private val c = longArrayOf(
+        +0x243f6a8885a308d3L, +0x13198a2e03707344L,
+        -0x5bf6c7ddd660ce30L, +0x082efa98ec4e6c89L,
+        +0x452821e638d01377L, -0x41ab9930cb16f394L,
+        -0x3f53d6483683af23L, +0x3f84d5b5b5470917L,
+        -0x6de92a26768604e5L, -0x2ecef45967204a54L,
+        +0x2ffd72dbd01adfb7L, -0x471e501295d9816aL,
+        -0x45836fba0ed38067L, +0x24a19947b3916cf7L,
+        +0x0801f2e2858efc16L, +0x636920d871574e69L,
+    )
 
     private val sigma = arrayOf(
         intArrayOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15),
@@ -48,13 +48,12 @@ object `Blake-512` : HashFunction {
         val length = value.size.toULong() * 8UL
         val input = pad(value)
         val h = initial.copyOf()
-        val m = LongArray(16)
-        val v = LongArray(16)
         var t = 0UL
 
         for (i in input.indices step block) {
             t += minOf(length - t, 1024UL)
-            compress(h, input, i, m, v, t)
+            val block = input.sliceArray(i..<(i + block))
+            compress(h, block, t)
         }
         h.copyInto(destination, destinationOffset)
     }
@@ -71,8 +70,9 @@ object `Blake-512` : HashFunction {
         }
     }
 
-    internal fun compress(h: LongArray, value: ByteArray, offset: Int, m: LongArray, v: LongArray, t: ULong) {
-        value.copyInto(m, startIndex = offset, endIndex = offset + block)
+    internal fun compress(h: LongArray, block: ByteArray, t: ULong) {
+        val m = block.toLongArray()
+        val v = LongArray(16)
         for (i in 0..<8) v[i] = h[i]
         for (i in 0..<4) v[i + 8] = c[i]
         for (i in 0..<2) v[i + 12] = c[i + 4] xor t.toLong()

src/commonMain/kotlin/com/infendro/hash/blake2/Blake2b.kt

@@ -1,7 +1,7 @@
 package com.infendro.hash.blake2
 
 import com.infendro.bytes.ByteOrder.LITTLE_ENDIAN
-import com.infendro.bytes.bytearray.copyInto
+import com.infendro.bytes.bytearray.toLongArray
 import com.infendro.bytes.longarray.toByteArray
 import com.infendro.hash.HashFunction
 import com.infendro.hash.util.align
@@ -16,12 +16,12 @@ class Blake2b(
     override val block: Int
         get() = 128
 
-    private val initial = ulongArrayOf(
-        0x6a09e667f3bcc908UL, 0xbb67ae8584caa73bUL,
-        0x3c6ef372fe94f82bUL, 0xa54ff53a5f1d36f1UL,
-        0x510e527fade682d1UL, 0x9b05688c2b3e6c1fUL,
-        0x1f83d9abfb41bd6bUL, 0x5be0cd19137e2179UL,
-    ).asLongArray()
+    private val initial = longArrayOf(
+        +0x6a09e667f3bcc908L, -0x4498517a7b3558c5L,
+        +0x3c6ef372fe94f82bL, -0x5ab00ac5a0e2c90fL,
+        +0x510e527fade682d1L, -0x64fa9773d4c193e1L,
+        +0x1f83d9abfb41bd6bL, +0x5be0cd19137e2179L,
+    )
 
     private val sigma = arrayOf(
         intArrayOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15),
@@ -41,13 +41,12 @@ class Blake2b(
         val input = pad(value)
         val h = initial.copyOf()
         h[0] = h[0] xor (0x01010000L or bytes.toLong())
-        val m = LongArray(16)
-        val v = LongArray(16)
         var t = 0UL
 
         for (i in input.indices step block) {
             t += minOf(length - t, 128UL)
-            compress(h, input, i, m, v, t, t < 1024UL)
+            val block = input.sliceArray(i..<(i + block))
+            compress(h, block, t, t < 1024UL)
         }
         h.toByteArray(LITTLE_ENDIAN).copyInto(destination, destinationOffset, endIndex = bytes)
     }
@@ -59,16 +58,9 @@ class Blake2b(
         }
     }
 
-    private fun compress(
-        h: LongArray,
-        value: ByteArray,
-        offset: Int,
-        m: LongArray,
-        v: LongArray,
-        t: ULong,
-        last: Boolean,
-    ) {
-        value.copyInto(m, startIndex = offset, endIndex = offset + block)
+    private fun compress(h: LongArray, block: ByteArray, t: ULong, last: Boolean) {
+        val m = block.toLongArray()
+        val v = LongArray(16)
         for (i in 0..<8) v[i] = h[i]
         for (i in 0..<8) v[i + 8] = initial[i]
         v[12] = v[12] xor t.toLong()

src/commonMain/kotlin/com/infendro/hash/blake2/Blake2s.kt

@@ -1,7 +1,7 @@
 package com.infendro.hash.blake2
 
 import com.infendro.bytes.ByteOrder.LITTLE_ENDIAN
-import com.infendro.bytes.bytearray.copyInto
+import com.infendro.bytes.bytearray.toIntArray
 import com.infendro.bytes.intarray.toByteArray
 import com.infendro.hash.HashFunction
 import com.infendro.hash.util.align
@@ -16,12 +16,12 @@ class Blake2s(
     override val block: Int
         get() = 64
 
-    private val initial = uintArrayOf(
-        0x6a09e667U, 0xbb67ae85U,
-        0x3c6ef372U, 0xa54ff53aU,
-        0x510e527fU, 0x9b05688cU,
-        0x1f83d9abU, 0x5be0cd19U,
-    ).asIntArray()
+    private val initial = intArrayOf(
+        +0x6a09e667, -0x4498517b,
+        +0x3c6ef372, -0x5ab00ac6,
+        +0x510e527f, -0x64fa9774,
+        +0x1f83d9ab, +0x5be0cd19,
+    )
 
     private val sigma = arrayOf(
         intArrayOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15),
@@ -41,13 +41,12 @@ class Blake2s(
         val input = pad(value)
         val h = initial.copyOf()
         h[0] = h[0] xor (0x01010000 or bytes)
-        val m = IntArray(16)
-        val v = IntArray(16)
         var t = 0U
 
         for (i in input.indices step block) {
             t += minOf(length - t, 64UL).toUInt()
-            compress(h, input, i, m, v, t, t < 1024UL)
+            val block = input.sliceArray(i..<(i + block))
+            compress(h, block, t, t < 1024UL)
         }
         h.toByteArray(LITTLE_ENDIAN).copyInto(destination, destinationOffset, endIndex = bytes)
     }
@@ -59,16 +58,9 @@ class Blake2s(
         }
     }
 
-    private fun compress(
-        h: IntArray,
-        value: ByteArray,
-        offset: Int,
-        m: IntArray,
-        v: IntArray,
-        t: UInt,
-        last: Boolean,
-    ) {
-        value.copyInto(m, startIndex = offset, endIndex = offset + block)
+    private fun compress(h: IntArray, block: ByteArray, t: UInt, last: Boolean) {
+        val m = block.toIntArray()
+        val v = IntArray(16)
         for (i in 0..<8) v[i] = h[i]
         for (i in 0..<8) v[i + 8] = initial[i]
         v[12] = v[12] xor t.toInt()

src/commonMain/kotlin/com/infendro/hash/keccak/Keccak.kt

@@ -19,14 +19,14 @@ open class Keccak(
     override val block: Int
         get() = rate
 
-    private val rc = ulongArrayOf(
-        0x0000000000000001UL, 0x0000000000008082UL, 0x800000000000808aUL, 0x8000000080008000UL,
-        0x000000000000808bUL, 0x0000000080000001UL, 0x8000000080008081UL, 0x8000000000008009UL,
-        0x000000000000008aUL, 0x0000000000000088UL, 0x0000000080008009UL, 0x000000008000000aUL,
-        0x000000008000808bUL, 0x800000000000008bUL, 0x8000000000008089UL, 0x8000000000008003UL,
-        0x8000000000008002UL, 0x8000000000000080UL, 0x000000000000800aUL, 0x800000008000000aUL,
-        0x8000000080008081UL, 0x8000000000008080UL, 0x0000000080000001UL, 0x8000000080008008UL,
-    ).asLongArray()
+    private val rc = longArrayOf(
+        +0x0000000000000001L, +0x0000000000008082L, -0x7fffffffffff7f76L, -0x7fffffff7fff8000L,
+        +0x000000000000808bL, +0x0000000080000001L, -0x7fffffff7fff7f7fL, -0x7fffffffffff7ff7L,
+        +0x000000000000008aL, +0x0000000000000088L, +0x0000000080008009L, +0x000000008000000aL,
+        +0x000000008000808bL, -0x7fffffffffffff75L, -0x7fffffffffff7f77L, -0x7fffffffffff7ffdL,
+        -0x7fffffffffff7ffeL, -0x7fffffffffffff80L, +0x000000000000800aL, -0x7fffffff7ffffff6L,
+        -0x7fffffff7fff7f7fL, -0x7fffffffffff7f80L, +0x0000000080000001L, -0x7fffffff7fff7ff8L,
+    )
 
     private val rotation = arrayOf(
         intArrayOf(0, 36, 3, 41, 18),
@@ -39,16 +39,13 @@ open class Keccak(
     override fun hashInto(value: ByteArray, destination: ByteArray, destinationOffset: Int) {
         val input = pad(value)
         val state = LongArray(25)
-        val w = LongArray(block / 8)
-        val b = LongArray(25)
-        val c = LongArray(5)
-        val d = LongArray(5)
 
         for (i in input.indices step block) {
-            absorb(state, input, i, w)
-            permute(state, b, c, d)
+            val block = input.sliceArray(i..<(i + block))
+            absorb(state, block)
+            permute(state)
         }
-        squeeze(state, b, c, d, destination, destinationOffset)
+        squeeze(state, destination, destinationOffset)
     }
 
     private fun pad(value: ByteArray): ByteArray {
@@ -60,21 +57,15 @@ open class Keccak(
         }
     }
 
-    private fun absorb(state: LongArray, value: ByteArray, offset: Int, w: LongArray) {
-        value.copyInto(w, startIndex = offset, endIndex = offset + block, order = LITTLE_ENDIAN)
+    private fun absorb(state: LongArray, block: ByteArray) {
+        val w = LongArray(this.block / 8)
+        block.copyInto(w, order = LITTLE_ENDIAN)
         for (i in w.indices) {
             state[i] = state[i] xor w[i]
         }
     }
 
-    private fun squeeze(
-        state: LongArray,
-        b: LongArray,
-        c: LongArray,
-        d: LongArray,
-        destination: ByteArray,
-        destinationOffset: Int,
-    ) {
+    private fun squeeze(state: LongArray, destination: ByteArray, destinationOffset: Int) {
         val buffer = ByteArray(8)
         val threshold = rate / 8
 
@@ -82,7 +73,7 @@ open class Keccak(
         var i = 0
         while (consumed < bytes) {
             if (i == threshold) {
-                permute(state, b, c, d)
+                permute(state)
                 i = 0
             }
 
@@ -95,7 +86,11 @@ open class Keccak(
         }
     }
 
-    private fun permute(a: LongArray, b: LongArray, c: LongArray, d: LongArray) = repeat(24) { round ->
+    private fun permute(a: LongArray) = repeat(24) { round ->
+        val b = LongArray(25)
+        val c = LongArray(5)
+        val d = LongArray(5)
+
         // θ
         for (x in 0..4) {
             c[x] = a[x] xor a[x + 5] xor a[x + 10] xor a[x + 15] xor a[x + 20]

src/commonMain/kotlin/com/infendro/hash/keccak/shake/SHAKE128.kt

@@ -2,6 +2,4 @@ package com.infendro.hash.keccak.shake
 
 import com.infendro.hash.keccak.Keccak
 
-class SHAKE128(
-    bytes: Int,
-) : Keccak(bytes, 168, 0x1F)
+class SHAKE128(bytes: Int) : Keccak(bytes, 168, 0x1F)

src/commonMain/kotlin/com/infendro/hash/keccak/shake/SHAKE256.kt

@@ -2,6 +2,4 @@ package com.infendro.hash.keccak.shake
 
 import com.infendro.hash.keccak.Keccak
 
-class SHAKE256(
-    bytes: Int,
-) : Keccak(bytes, 136, 0x1F)
+class SHAKE256(bytes: Int) : Keccak(bytes, 136, 0x1F)

src/commonMain/kotlin/com/infendro/hash/md/MD5.kt

@@ -1,7 +1,7 @@
 package com.infendro.hash.md
 
 import com.infendro.bytes.ByteOrder.LITTLE_ENDIAN
-import com.infendro.bytes.bytearray.copyInto
+import com.infendro.bytes.bytearray.toIntArray
 import com.infendro.bytes.intarray.copyInto
 import com.infendro.bytes.ulong.copyInto
 import com.infendro.hash.HashFunction
@@ -14,29 +14,29 @@ object MD5 : HashFunction {
     override val block: Int
         get() = 64
 
-    private val initial = uintArrayOf(
-        0x67452301U, 0xefcdab89U,
-        0x98badcfeU, 0x10325476U,
-    ).asIntArray()
+    private val initial = intArrayOf(
+        +0x67452301, -0x10325477,
+        -0x67452302, +0x10325476,
+    )
 
-    private val c = uintArrayOf(
-        0xd76aa478U, 0xe8c7b756U, 0x242070dbU, 0xc1bdceeeU,
-        0xf57c0fafU, 0x4787c62aU, 0xa8304613U, 0xfd469501U,
-        0x698098d8U, 0x8b44f7afU, 0xffff5bb1U, 0x895cd7beU,
-        0x6b901122U, 0xfd987193U, 0xa679438eU, 0x49b40821U,
-        0xf61e2562U, 0xc040b340U, 0x265e5a51U, 0xe9b6c7aaU,
-        0xd62f105dU, 0x02441453U, 0xd8a1e681U, 0xe7d3fbc8U,
-        0x21e1cde6U, 0xc33707d6U, 0xf4d50d87U, 0x455a14edU,
-        0xa9e3e905U, 0xfcefa3f8U, 0x676f02d9U, 0x8d2a4c8aU,
-        0xfffa3942U, 0x8771f681U, 0x6d9d6122U, 0xfde5380cU,
-        0xa4beea44U, 0x4bdecfa9U, 0xf6bb4b60U, 0xbebfbc70U,
-        0x289b7ec6U, 0xeaa127faU, 0xd4ef3085U, 0x04881d05U,
-        0xd9d4d039U, 0xe6db99e5U, 0x1fa27cf8U, 0xc4ac5665U,
-        0xf4292244U, 0x432aff97U, 0xab9423a7U, 0xfc93a039U,
-        0x655b59c3U, 0x8f0ccc92U, 0xffeff47dU, 0x85845dd1U,
-        0x6fa87e4fU, 0xfe2ce6e0U, 0xa3014314U, 0x4e0811a1U,
-        0xf7537e82U, 0xbd3af235U, 0x2ad7d2bbU, 0xeb86d391U,
-    ).asIntArray()
+    private val c = intArrayOf(
+        -0x28955b88, -0x173848aa, +0x242070db, -0x3e423112,
+        -0x0a83f051, +0x4787c62a, -0x57cfb9ed, -0x02b96aff,
+        +0x698098d8, -0x74bb0851, -0x0000a44f, -0x76a32842,
+        +0x6b901122, -0x02678e6d, -0x5986bc72, +0x49b40821,
+        -0x09e1da9e, -0x3fbf4cc0, +0x265e5a51, -0x16493856,
+        -0x29d0efa3, +0x02441453, -0x275e197f, -0x182c0438,
+        +0x21e1cde6, -0x3cc8f82a, -0x0b2af279, +0x455a14ed,
+        -0x561c16fb, -0x03105c08, +0x676f02d9, -0x72d5b376,
+        -0x0005c6be, -0x788e097f, +0x6d9d6122, -0x021ac7f4,
+        -0x5b4115bc, +0x4bdecfa9, -0x0944b4a0, -0x41404390,
+        +0x289b7ec6, -0x155ed806, -0x2b10cf7b, +0x04881d05,
+        -0x262b2fc7, -0x1924661b, +0x1fa27cf8, -0x3b53a99b,
+        -0x0bd6ddbc, +0x432aff97, -0x546bdc59, -0x036c5fc7,
+        +0x655b59c3, -0x70f3336e, -0x00100b83, -0x7a7ba22f,
+        +0x6fa87e4f, -0x01d31920, -0x5cfebcec, +0x4e0811a1,
+        -0x08ac817e, -0x42c50dcb, +0x2ad7d2bb, -0x14792c6f,
+    )
 
     private val shifts = intArrayOf(
         7, 12, 17, 22, 7, 12, 17, 22,
@@ -52,11 +52,10 @@ object MD5 : HashFunction {
     override fun hashInto(value: ByteArray, destination: ByteArray, destinationOffset: Int) {
         val input = pad(value)
         val h = initial.copyOf()
-        val w = IntArray(16)
-        val v = IntArray(4)
 
         for (i in input.indices step block) {
-            process(h, input, i, w, v)
+            val block = input.sliceArray(i..<(i + block))
+            process(h, block)
         }
         h.copyInto(destination, destinationOffset, order = LITTLE_ENDIAN)
     }
@@ -72,9 +71,9 @@ object MD5 : HashFunction {
         }
     }
 
-    private fun process(h: IntArray, value: ByteArray, offset: Int, w: IntArray, v: IntArray) {
-        value.copyInto(w, startIndex = offset, endIndex = offset + block, order = LITTLE_ENDIAN)
-        h.copyInto(v)
+    private fun process(h: IntArray, block: ByteArray) {
+        val w = block.toIntArray(LITTLE_ENDIAN)
+        val v = h.copyOf()
 
         repeat(64) { i ->
             var f = when (i) {

src/commonMain/kotlin/com/infendro/hash/sha1/SHA1.kt

@@ -13,25 +13,24 @@ object SHA1 : HashFunction {
     override val block: Int
         get() = 64
 
-    private val initial = uintArrayOf(
-        0x67452301U, 0xefcdaB89U,
-        0x98badcfeU, 0x10325476U,
-        0xc3d2e1f0U,
-    ).asIntArray()
+    private val initial = intArrayOf(
+        +0x67452301, -0x10325477,
+        -0x67452302, +0x10325476,
+        -0x3c2d1e10,
+    )
 
-    private val k = uintArrayOf(
-        0x5a827999U, 0x6ed9eba1U,
-        0x8f1bbcdcU, 0xca62c1d6U,
-    ).asIntArray()
+    private val k = intArrayOf(
+        +0x5a827999, +0x6ed9eba1,
+        -0x70e44324, -0x359d3e2a,
+    )
 
     override fun hashInto(value: ByteArray, destination: ByteArray, destinationOffset: Int) {
         val input = pad(value)
         val h = initial.copyOf()
-        val w = IntArray(80)
-        val v = IntArray(5)
 
         for (i in input.indices step block) {
-            process(h, input, i, w, v)
+            val block = input.sliceArray(i..<(i + block))
+            process(h, block)
         }
         h.copyInto(destination, destinationOffset)
     }
@@ -47,12 +46,13 @@ object SHA1 : HashFunction {
         }
     }
 
-    private fun process(h: IntArray, value: ByteArray, offset: Int, w: IntArray, v: IntArray) {
-        value.copyInto(w, startIndex = offset, endIndex = offset + block)
+    private fun process(h: IntArray, block: ByteArray) {
+        val w = IntArray(80)
+        block.copyInto(w)
         for (i in 16..<80) {
             w[i] = (w[i - 3] xor w[i - 8] xor w[i - 14] xor w[i - 16]).rotateLeft(1)
         }
-        h.copyInto(v)
+        val v = h.copyOf()
 
         repeat(80) { i ->
             val f = when (i) {

src/commonMain/kotlin/com/infendro/hash/sha2/SHA-224.kt

@@ -10,21 +10,20 @@ object `SHA-224` : HashFunction {
     override val block: Int
         get() = 64
 
-    private val initial = uintArrayOf(
-        0xc1059ed8U, 0x367cd507U,
-        0x3070dd17U, 0xf70e5939U,
-        0xffc00b31U, 0x68581511U,
-        0x64f98fa7U, 0xbefa4fa4U,
-    ).asIntArray()
+    private val initial = intArrayOf(
+        -0x3efa6128, +0x367cd507,
+        +0x3070dd17, -0x08f1a6c7,
+        -0x003ff4cf, +0x68581511,
+        +0x64f98fa7, -0x4105b05c,
+    )
 
     override fun hashInto(value: ByteArray, destination: ByteArray, destinationOffset: Int) {
         val input = `SHA-256`.pad(value)
         val h = initial.copyOf()
-        val w = IntArray(64)
-        val v = IntArray(8)
 
         for (i in input.indices step block) {
-            `SHA-256`.process(h, input, i, w, v)
+            val block = input.sliceArray(i..<(i + block))
+            `SHA-256`.process(h, block)
         }
         h.copyInto(destination, destinationOffset, endIndex = 7)
     }

src/commonMain/kotlin/com/infendro/hash/sha2/SHA-256.kt

@@ -13,32 +13,31 @@ object `SHA-256` : HashFunction {
     override val block: Int
         get() = 64
 
-    private val initial = uintArrayOf(
-        0x6a09e667U, 0xbb67ae85U,
-        0x3c6ef372U, 0xa54ff53aU,
-        0x510e527fU, 0x9b05688cU,
-        0x1f83d9abU, 0x5be0cd19U,
-    ).asIntArray()
+    private val initial = intArrayOf(
+        +0x6a09e667, -0x4498517b,
+        +0x3c6ef372, -0x5ab00ac6,
+        +0x510e527f, -0x64fa9774,
+        +0x1f83d9ab, +0x5be0cd19,
+    )
 
-    private val c = uintArrayOf(
-        0x428a2f98U, 0x71374491U, 0xb5c0fbcfU, 0xe9b5dba5U, 0x3956c25bU, 0x59f111f1U, 0x923f82a4U, 0xab1c5ed5U,
-        0xd807aa98U, 0x12835b01U, 0x243185beU, 0x550c7dc3U, 0x72be5d74U, 0x80deb1feU, 0x9bdc06a7U, 0xc19bf174U,
-        0xe49b69c1U, 0xefbe4786U, 0x0fc19dc6U, 0x240ca1ccU, 0x2de92c6fU, 0x4a7484aaU, 0x5cb0a9dcU, 0x76f988daU,
-        0x983e5152U, 0xa831c66dU, 0xb00327c8U, 0xbf597fc7U, 0xc6e00bf3U, 0xd5a79147U, 0x06ca6351U, 0x14292967U,
-        0x27b70a85U, 0x2e1b2138U, 0x4d2c6dfcU, 0x53380d13U, 0x650a7354U, 0x766a0abbU, 0x81c2c92eU, 0x92722c85U,
-        0xa2bfe8a1U, 0xa81a664bU, 0xc24b8b70U, 0xc76c51a3U, 0xd192e819U, 0xd6990624U, 0xf40e3585U, 0x106aa070U,
-        0x19a4c116U, 0x1e376c08U, 0x2748774cU, 0x34b0bcb5U, 0x391c0cb3U, 0x4ed8aa4aU, 0x5b9cca4fU, 0x682e6ff3U,
-        0x748f82eeU, 0x78a5636fU, 0x84c87814U, 0x8cc70208U, 0x90befffaU, 0xa4506cebU, 0xbef9a3f7U, 0xc67178f2U,
-    ).asIntArray()
+    private val c = intArrayOf(
+        +0x428a2f98, +0x71374491, -0x4a3f0431, -0x164a245b, +0x3956c25b, +0x59f111f1, -0x6dc07d5c, -0x54e3a12b,
+        -0x27f85568, +0x12835b01, +0x243185be, +0x550c7dc3, +0x72be5d74, -0x7f214e02, -0x6423f959, -0x3e640e8c,
+        -0x1b64963f, -0x1041b87a, +0x0fc19dc6, +0x240ca1cc, +0x2de92c6f, +0x4a7484aa, +0x5cb0a9dc, +0x76f988da,
+        -0x67c1aeae, -0x57ce3993, -0x4ffcd838, -0x40a68039, -0x391ff40d, -0x2a586eb9, +0x06ca6351, +0x14292967,
+        +0x27b70a85, +0x2e1b2138, +0x4d2c6dfc, +0x53380d13, +0x650a7354, +0x766a0abb, -0x7e3d36d2, -0x6d8dd37b,
+        -0x5d40175f, -0x57e599b5, -0x3db47490, -0x3893ae5d, -0x2e6d17e7, -0x2966f9dc, -0x0bf1ca7b, +0x106aa070,
+        +0x19a4c116, +0x1e376c08, +0x2748774c, +0x34b0bcb5, +0x391c0cb3, +0x4ed8aa4a, +0x5b9cca4f, +0x682e6ff3,
+        +0x748f82ee, +0x78a5636f, -0x7b3787ec, -0x7338fdf8, -0x6f410006, -0x5baf9315, -0x41065c09, -0x398e870e,
+    )
 
     override fun hashInto(value: ByteArray, destination: ByteArray, destinationOffset: Int) {
         val input = pad(value)
         val h = initial.copyOf()
-        val w = IntArray(64)
-        val v = IntArray(8)
 
         for (i in input.indices step block) {
-            process(h, input, i, w, v)
+            val block = input.sliceArray(i..<(i + block))
+            process(h, block)
         }
         h.copyInto(destination, destinationOffset)
     }
@@ -54,14 +53,15 @@ object `SHA-256` : HashFunction {
         }
     }
 
-    internal fun process(h: IntArray, value: ByteArray, offset: Int, w: IntArray, v: IntArray) {
-        value.copyInto(w, startIndex = offset, endIndex = offset + block)
+    internal fun process(h: IntArray, block: ByteArray) {
+        val w = IntArray(64)
+        block.copyInto(w)
         for (i in 16..<64) {
             val s0 = w[i - 15].rotateRight(7) xor w[i - 15].rotateRight(18) xor (w[i - 15] ushr 3)
             val s1 = w[i - 2].rotateRight(17) xor w[i - 2].rotateRight(19) xor (w[i - 2] ushr 10)
             w[i] = (w[i - 16] + s0 + w[i - 7] + s1)
         }
-        h.copyInto(v)
+        val v = h.copyOf()
 
         repeat(64) { i ->
             val s0 = v[0].rotateRight(2) xor v[0].rotateRight(13) xor v[0].rotateRight(22)

src/commonMain/kotlin/com/infendro/hash/sha2/SHA-384.kt

@@ -10,21 +10,20 @@ object `SHA-384` : HashFunction {
     override val block: Int
         get() = 128
 
-    private val initial = ulongArrayOf(
-        0xcbbb9d5dc1059ed8UL, 0x629a292a367cd507UL,
-        0x9159015a3070dd17UL, 0x152fecd8f70e5939UL,
-        0x67332667ffc00b31UL, 0x8eb44a8768581511UL,
-        0xdb0c2e0d64f98fa7UL, 0x47b5481dbefa4fa4UL,
-    ).asLongArray()
+    private val initial = longArrayOf(
+        -0x344462a23efa6128L, +0x629a292a367cd507L,
+        -0x6ea6fea5cf8f22e9L, +0x152fecd8f70e5939L,
+        +0x67332667ffc00b31L, -0x714bb57897a7eaefL,
+        -0x24f3d1f29b067059L, +0x47b5481dbefa4fa4L,
+    )
 
     override fun hashInto(value: ByteArray, destination: ByteArray, destinationOffset: Int) {
         val input = `SHA-512`.pad(value)
         val h = initial.copyOf()
-        val w = LongArray(80)
-        val v = LongArray(8)
 
         for (i in input.indices step block) {
-            `SHA-512`.process(h, input, i, w, v)
+            val block = input.sliceArray(i..<(i + block))
+            `SHA-512`.process(h, block)
         }
         h.copyInto(destination, destinationOffset, endIndex = 6)
     }

src/commonMain/kotlin/com/infendro/hash/sha2/SHA-512.kt

@@ -13,44 +13,43 @@ object `SHA-512` : HashFunction {
     override val block: Int
         get() = 128
 
-    private val initial = ulongArrayOf(
-        0x6a09e667f3bcc908UL, 0xbb67ae8584caa73bUL,
-        0x3c6ef372fe94f82bUL, 0xa54ff53a5f1d36f1UL,
-        0x510e527fade682d1UL, 0x9b05688c2b3e6c1fUL,
-        0x1f83d9abfb41bd6bUL, 0x5be0cd19137e2179UL,
-    ).asLongArray()
+    private val initial = longArrayOf(
+        +0x6a09e667f3bcc908L, -0x4498517a7b3558c5L,
+        +0x3c6ef372fe94f82bL, -0x5ab00ac5a0e2c90fL,
+        +0x510e527fade682d1L, -0x64fa9773d4c193e1L,
+        +0x1f83d9abfb41bd6bL, +0x5be0cd19137e2179L,
+    )
 
-    private val c = ulongArrayOf(
-        0x428a2f98d728ae22UL, 0x7137449123ef65cdUL, 0xb5c0fbcfec4d3b2fUL, 0xe9b5dba58189dbbcUL,
-        0x3956c25bf348b538UL, 0x59f111f1b605d019UL, 0x923f82a4af194f9bUL, 0xab1c5ed5da6d8118UL,
-        0xd807aa98a3030242UL, 0x12835b0145706fbeUL, 0x243185be4ee4b28cUL, 0x550c7dc3d5ffb4e2UL,
-        0x72be5d74f27b896fUL, 0x80deb1fe3b1696b1UL, 0x9bdc06a725c71235UL, 0xc19bf174cf692694UL,
-        0xe49b69c19ef14ad2UL, 0xefbe4786384f25e3UL, 0x0fc19dc68b8cd5b5UL, 0x240ca1cc77ac9c65UL,
-        0x2de92c6f592b0275UL, 0x4a7484aa6ea6e483UL, 0x5cb0a9dcbd41fbd4UL, 0x76f988da831153b5UL,
-        0x983e5152ee66dfabUL, 0xa831c66d2db43210UL, 0xb00327c898fb213fUL, 0xbf597fc7beef0ee4UL,
-        0xc6e00bf33da88fc2UL, 0xd5a79147930aa725UL, 0x06ca6351e003826fUL, 0x142929670a0e6e70UL,
-        0x27b70a8546d22ffcUL, 0x2e1b21385c26c926UL, 0x4d2c6dfc5ac42aedUL, 0x53380d139d95b3dfUL,
-        0x650a73548baf63deUL, 0x766a0abb3c77b2a8UL, 0x81c2c92e47edaee6UL, 0x92722c851482353bUL,
-        0xa2bfe8a14cf10364UL, 0xa81a664bbc423001UL, 0xc24b8b70d0f89791UL, 0xc76c51a30654be30UL,
-        0xd192e819d6ef5218UL, 0xd69906245565a910UL, 0xf40e35855771202aUL, 0x106aa07032bbd1b8UL,
-        0x19a4c116b8d2d0c8UL, 0x1e376c085141ab53UL, 0x2748774cdf8eeb99UL, 0x34b0bcb5e19b48a8UL,
-        0x391c0cb3c5c95a63UL, 0x4ed8aa4ae3418acbUL, 0x5b9cca4f7763e373UL, 0x682e6ff3d6b2b8a3UL,
-        0x748f82ee5defb2fcUL, 0x78a5636f43172f60UL, 0x84c87814a1f0ab72UL, 0x8cc702081a6439ecUL,
-        0x90befffa23631e28UL, 0xa4506cebde82bde9UL, 0xbef9a3f7b2c67915UL, 0xc67178f2e372532bUL,
-        0xca273eceea26619cUL, 0xd186b8c721c0c207UL, 0xeada7dd6cde0eb1eUL, 0xf57d4f7fee6ed178UL,
-        0x06f067aa72176fbaUL, 0x0a637dc5a2c898a6UL, 0x113f9804bef90daeUL, 0x1b710b35131c471bUL,
-        0x28db77f523047d84UL, 0x32caab7b40c72493UL, 0x3c9ebe0a15c9bebcUL, 0x431d67c49c100d4cUL,
-        0x4cc5d4becb3e42b6UL, 0x597f299cfc657e2aUL, 0x5fcb6fab3ad6faecUL, 0x6c44198c4a475817UL,
-    ).asLongArray()
+    private val c = longArrayOf(
+        +0x428a2f98d728ae22L, +0x7137449123ef65cdL, -0x4a3f043013b2c4d1L, -0x164a245a7e762444L,
+        +0x3956c25bf348b538L, +0x59f111f1b605d019L, -0x6dc07d5b50e6b065L, -0x54e3a12a25927ee8L,
+        -0x27f855675cfcfdbeL, +0x12835b0145706fbeL, +0x243185be4ee4b28cL, +0x550c7dc3d5ffb4e2L,
+        +0x72be5d74f27b896fL, -0x7f214e01c4e9694fL, -0x6423f958da38edcbL, -0x3e640e8b3096d96cL,
+        -0x1b64963e610eb52eL, -0x1041b879c7b0da1dL, +0x0fc19dc68b8cd5b5L, +0x240ca1cc77ac9c65L,
+        +0x2de92c6f592b0275L, +0x4a7484aa6ea6e483L, +0x5cb0a9dcbd41fbd4L, +0x76f988da831153b5L,
+        -0x67c1aead11992055L, -0x57ce3992d24bcdf0L, -0x4ffcd8376704dec1L, -0x40a680384110f11cL,
+        -0x391ff40cc257703eL, -0x2a586eb86cf558dbL, +0x06ca6351e003826fL, +0x142929670a0e6e70L,
+        +0x27b70a8546d22ffcL, +0x2e1b21385c26c926L, +0x4d2c6dfc5ac42aedL, +0x53380d139d95b3dfL,
+        +0x650a73548baf63deL, +0x766a0abb3c77b2a8L, -0x7e3d36d1b812511aL, -0x6d8dd37aeb7dcac5L,
+        -0x5d40175eb30efc9cL, -0x57e599b443bdcfffL, -0x3db4748f2f07686fL, -0x3893ae5cf9ab41d0L,
+        -0x2e6d17e62910ade8L, -0x2966f9dbaa9a56f0L, -0x0bf1ca7aa88edfd6L, +0x106aa07032bbd1b8L,
+        +0x19a4c116b8d2d0c8L, +0x1e376c085141ab53L, +0x2748774cdf8eeb99L, +0x34b0bcb5e19b48a8L,
+        +0x391c0cb3c5c95a63L, +0x4ed8aa4ae3418acbL, +0x5b9cca4f7763e373L, +0x682e6ff3d6b2b8a3L,
+        +0x748f82ee5defb2fcL, +0x78a5636f43172f60L, -0x7b3787eb5e0f548eL, -0x7338fdf7e59bc614L,
+        -0x6f410005dc9ce1d8L, -0x5baf9314217d4217L, -0x41065c084d3986ebL, -0x398e870d1c8dacd5L,
+        -0x35d8c13115d99e64L, -0x2e794738de3f3df9L, -0x15258229321f14e2L, -0x0a82b08011912e88L,
+        +0x06f067aa72176fbaL, +0x0a637dc5a2c898a6L, +0x113f9804bef90daeL, +0x1b710b35131c471bL,
+        +0x28db77f523047d84L, +0x32caab7b40c72493L, +0x3c9ebe0a15c9bebcL, +0x431d67c49c100d4cL,
+        +0x4cc5d4becb3e42b6L, +0x597f299cfc657e2aL, +0x5fcb6fab3ad6faecL, +0x6c44198c4a475817L,
+    )
 
     override fun hashInto(value: ByteArray, destination: ByteArray, destinationOffset: Int) {
         val input = pad(value)
         val h = initial.copyOf()
-        val w = LongArray(80)
-        val v = LongArray(8)
 
         for (i in input.indices step block) {
-            process(h, input, i, w, v)
+            val block = input.sliceArray(i..<(i + block))
+            process(h, block)
         }
         h.copyInto(destination, destinationOffset)
     }
@@ -66,14 +65,15 @@ object `SHA-512` : HashFunction {
         }
     }
 
-    internal fun process(h: LongArray, value: ByteArray, offset: Int, w: LongArray, v: LongArray) {
-        value.copyInto(w, startIndex = offset, endIndex = offset + block)
+    internal fun process(h: LongArray, block: ByteArray) {
+        val w = LongArray(80)
+        block.copyInto(w)
         for (i in 16..<80) {
             val s0 = w[i - 15].rotateRight(1) xor w[i - 15].rotateRight(8) xor (w[i - 15] ushr 7)
             val s1 = w[i - 2].rotateRight(19) xor w[i - 2].rotateRight(61) xor (w[i - 2] ushr 6)
             w[i] = (w[i - 16] + s0 + w[i - 7] + s1)
         }
-        h.copyInto(v)
+        val v = h.copyOf()
 
         repeat(80) { i ->
             val s0 = v[0].rotateRight(28) xor v[0].rotateRight(34) xor v[0].rotateRight(39)