Infendro/hash.kt
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refactor package structure

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This commit is contained in:
Infendro
2025-11-09 20:03:49 +01:00
parent c14269e0c6
commit 88d673922a
8 changed files with 38 additions and 21 deletions
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3
src/commonMain/kotlin/com/infendro/hash/HashFunction.kt
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@@ -1,7 +1,8 @@
package com.infendro.hash
sealed class HashFunction {
abstract class HashFunction {
abstract val bytes: Int
@Suppress("UNUSED")
val bits: Int
get() = bytes * 8

20
src/commonMain/kotlin/com/infendro/hash/MD5.kt → src/commonMain/kotlin/com/infendro/hash/md/MD5.kt
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@@ -1,10 +1,12 @@
package com.infendro.hash
package com.infendro.hash.md
import com.infendro.bytearray.ByteOrder.LITTLE_ENDIAN
import com.infendro.bytearray.ByteOrder
import com.infendro.bytearray.addAll
import com.infendro.bytearray.toByteArray
import com.infendro.bytearray.toUIntArray
import com.infendro.hash.HashFunction
@Suppress("UNUSED")
object MD5 : HashFunction() {
override val bytes: Int
get() = 16
@@ -62,14 +64,14 @@ object MD5 : HashFunction() {
while (size % 64 != 56) {
add(0x00.toByte())
}
addAll(ml.toByteArray(LITTLE_ENDIAN))
addAll(ml.toByteArray(ByteOrder.LITTLE_ENDIAN))
}
val chunks = paddedValue
.chunked(64)
for (chunk in chunks) {
val w = buildList {
addAll(chunk.toUIntArray(LITTLE_ENDIAN))
addAll(chunk.toUIntArray(ByteOrder.LITTLE_ENDIAN))
}
var a = a0
@@ -103,10 +105,10 @@ object MD5 : HashFunction() {
}
return byteArrayOf(
*a0.toByteArray(LITTLE_ENDIAN),
*b0.toByteArray(LITTLE_ENDIAN),
*c0.toByteArray(LITTLE_ENDIAN),
*d0.toByteArray(LITTLE_ENDIAN),
*a0.toByteArray(ByteOrder.LITTLE_ENDIAN),
*b0.toByteArray(ByteOrder.LITTLE_ENDIAN),
*c0.toByteArray(ByteOrder.LITTLE_ENDIAN),
*d0.toByteArray(ByteOrder.LITTLE_ENDIAN),
)
}
}
}

6
src/commonMain/kotlin/com/infendro/hash/SHA1.kt → src/commonMain/kotlin/com/infendro/hash/sha1/SHA1.kt
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@@ -1,9 +1,11 @@
package com.infendro.hash
package com.infendro.hash.sha1
import com.infendro.bytearray.addAll
import com.infendro.bytearray.toByteArray
import com.infendro.bytearray.toUIntArray
import com.infendro.hash.HashFunction
@Suppress("UNUSED")
object SHA1 : HashFunction() {
override val bytes: Int
get() = 20
@@ -80,4 +82,4 @@ object SHA1 : HashFunction() {
*h4.toByteArray(),
)
}
}
}

8
src/commonMain/kotlin/com/infendro/hash/SHA224.kt → src/commonMain/kotlin/com/infendro/hash/sha2/SHA-224.kt
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@@ -1,10 +1,12 @@
package com.infendro.hash
package com.infendro.hash.sha2
import com.infendro.bytearray.addAll
import com.infendro.bytearray.toByteArray
import com.infendro.bytearray.toUIntArray
import com.infendro.hash.HashFunction
object SHA224 : HashFunction() {
@Suppress("UNUSED")
object `SHA-224` : HashFunction() {
override val bytes: Int
get() = 28
@@ -63,10 +65,10 @@ object SHA224 : HashFunction() {
var h = h7
for (i in 0..<64) {
val s0 = a.rotateRight(2) xor a.rotateRight(13) xor a.rotateRight(22)
val s1 = e.rotateRight(6) xor e.rotateRight(11) xor e.rotateRight(25)
val ch = (e and f) xor (e.inv() and g)
val temp1 = h + s1 + ch + k[i] + w[i]
val s0 = a.rotateRight(2) xor a.rotateRight(13) xor a.rotateRight(22)
val maj = (a and b) xor (a and c) xor (b and c)
val temp2 = s0 + maj

6
src/commonMain/kotlin/com/infendro/hash/SHA256.kt → src/commonMain/kotlin/com/infendro/hash/sha2/SHA-256.kt
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@@ -1,10 +1,12 @@
package com.infendro.hash
package com.infendro.hash.sha2
import com.infendro.bytearray.addAll
import com.infendro.bytearray.toByteArray
import com.infendro.bytearray.toUIntArray
import com.infendro.hash.HashFunction
object SHA256 : HashFunction() {
@Suppress("UNUSED")
object `SHA-256` : HashFunction() {
override val bytes: Int
get() = 32

6
src/commonMain/kotlin/com/infendro/hash/SHA384.kt → src/commonMain/kotlin/com/infendro/hash/sha2/SHA-384.kt
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@@ -1,10 +1,12 @@
package com.infendro.hash
package com.infendro.hash.sha2
import com.infendro.bytearray.addAll
import com.infendro.bytearray.toByteArray
import com.infendro.bytearray.toULongArray
import com.infendro.hash.HashFunction
object SHA384 : HashFunction() {
@Suppress("UNUSED")
object `SHA-384` : HashFunction() {
override val bytes: Int
get() = 48

6
src/commonMain/kotlin/com/infendro/hash/SHA512.kt → src/commonMain/kotlin/com/infendro/hash/sha2/SHA-512.kt
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@@ -1,10 +1,12 @@
package com.infendro.hash
package com.infendro.hash.sha2
import com.infendro.bytearray.addAll
import com.infendro.bytearray.toByteArray
import com.infendro.bytearray.toULongArray
import com.infendro.hash.HashFunction
object SHA512 : HashFunction() {
@Suppress("UNUSED")
object `SHA-512` : HashFunction() {
override val bytes: Int
get() = 64