implement destination offset

2026-01-22 12:18:22 +01:00
parent b00d231da5
commit 8535476674
16 changed files with 41 additions and 34 deletions
--- a/src/commonMain/kotlin/com/infendro/hash/blake2/Blake2b.kt
+++ b/src/commonMain/kotlin/com/infendro/hash/blake2/Blake2b.kt
@@ -36,7 +36,7 @@ class Blake2b(
        intArrayOf(10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0),
    )

-    override fun hashInto(value: ByteArray, destination: ByteArray) {
+    override fun hashInto(value: ByteArray, destination: ByteArray, destinationOffset: Int) {
        val length = value.size.toULong()
        val input = pad(value)
        val h = initial.copyOf()
@@ -49,7 +49,7 @@ class Blake2b(
            t += minOf(length - t, 128UL)
            compress(h, input, i, m, v, t, t < 1024UL)
        }
-        h.toByteArray(LITTLE_ENDIAN).copyInto(destination, endIndex = bytes)
+        h.toByteArray(LITTLE_ENDIAN).copyInto(destination, destinationOffset, endIndex = bytes)
    }

    private fun pad(value: ByteArray): ByteArray {