Infendro/prng.kt
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1.3.1 Release #5

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Infendro merged 3 commits from develop into main 2026-03-12 10:34:33 +00:00
Conversation 0 Commits 3 Files Changed 6 +12 -6
4 changed files with 12 additions and 6 deletions
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6
gradle/libs.versions.toml
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@@ -1,9 +1,9 @@
[versions] [versions]
infendro = "1.1.0" infendro = "1.1.0"
kotlin = "2.3.0" kotlin = "2.3.0"
bytes = "1.4.0" bytes = "1.4.2"
hash = "1.6.0" hash = "1.7.0"
mac = "1.4.0" mac = "1.5.0"
[plugins] [plugins]
infendro = { id = "com.infendro.plugin", version.ref = "infendro" } infendro = { id = "com.infendro.plugin", version.ref = "infendro" }

4
src/commonMain/kotlin/com/infendro/random/prng/LCG.kt
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@@ -6,6 +6,8 @@ import com.infendro.random.PRNG
import kotlin.properties.Delegates.notNull import kotlin.properties.Delegates.notNull
class LCG : PRNG() { class LCG : PRNG() {
private val function = `SHA-256`()
private val a: Long = 25214903917L private val a: Long = 25214903917L
private val c: Long = 11L private val c: Long = 11L
private val mask: Long = (1L shl 48) - 1 private val mask: Long = (1L shl 48) - 1
@@ -13,7 +15,7 @@ class LCG : PRNG() {
private var x: Long by notNull() private var x: Long by notNull()
override fun seed(seed: ByteArray) { override fun seed(seed: ByteArray) {
x = `SHA-256`.hash(seed).toLong() and mask x = function.hash(seed).toLong() and mask
} }
override fun generate(): Int { override fun generate(): Int {

4
src/commonMain/kotlin/com/infendro/random/prng/Xoshiro256pp.kt
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@@ -6,10 +6,12 @@ import com.infendro.random.PRNG
import kotlin.properties.Delegates.notNull import kotlin.properties.Delegates.notNull
class Xoshiro256pp : PRNG() { class Xoshiro256pp : PRNG() {
private val function = `SHA-256`()
private var s: LongArray by notNull() private var s: LongArray by notNull()
override fun seed(seed: ByteArray) { override fun seed(seed: ByteArray) {
s = `SHA-256`.hash(seed).toLongArray() s = function.hash(seed).toLongArray()
} }
override fun generate(): Int { override fun generate(): Int {

4
src/commonMain/kotlin/com/infendro/random/prng/Xoshiro256ss.kt
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@@ -6,10 +6,12 @@ import com.infendro.random.PRNG
import kotlin.properties.Delegates.notNull import kotlin.properties.Delegates.notNull
class Xoshiro256ss : PRNG() { class Xoshiro256ss : PRNG() {
private val function = `SHA-256`()
private var s: LongArray by notNull() private var s: LongArray by notNull()
override fun seed(seed: ByteArray) { override fun seed(seed: ByteArray) {
s = `SHA-256`.hash(seed).toLongArray() s = function.hash(seed).toLongArray()
} }
override fun generate(): Int { override fun generate(): Int {