implement block property

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

@@ -9,7 +9,7 @@ import kotlin.math.min
 @Suppress("UNUSED")
 open class Keccak internal constructor(
     override val bytes: Int,
-    private val rate: Int,
+    override val block: Int,
     private val domain: UByte,
 ) : HashFunction() {
     private val rc = ulongArrayOf(
@@ -35,7 +35,7 @@ open class Keccak internal constructor(
         val paddedValue = buildList {
             addAll(value)
             add(domain)
-            while ((size % rate) != (rate - 1)) {
+            while ((size % block) != (block - 1)) {
                 add(0x00U)
             }
             add(0x80U)
@@ -45,7 +45,7 @@ open class Keccak internal constructor(
 
         // absorb
         val chunks = paddedValue
-            .chunked(rate) { it.toUByteArray() }
+            .chunked(block) { it.toUByteArray() }
         for (chunk in chunks) {
             val numbers = chunk.toULongArray(LITTLE_ENDIAN)
             for ((i, number) in numbers.withIndex()) {
@@ -58,7 +58,7 @@ open class Keccak internal constructor(
         return buildList {
             var i = 0
             while (size < bytes) {
-                if (i == rate / 8) {
+                if (i == block / 8) {
                     permute(state)
                     i = 0
                 }