supreme/at.asitplus.signum.supreme.asymmetric/HPKE/KDF

KDF

interface KDF(source)

Types

object Companion

Properties

abstract val kdfId: Int

RFC 9180 kdf_id

abstract val Nh: BitLength

The output size of the Extract function in bytes.

Functions

abstract fun Expand(prk: ByteArray, info: ByteArray, L: BitLength): ByteArray

Expand a pseudorandom key prk using optional string info into L bytes of output keying material.

abstract fun Extract(salt: ByteArray?, ikm: ByteArray): ByteArray

Extract a pseudorandom key of fixed length Nh bytes from input keying material ikm and an optional byte string salt.