如何将私有签名信息转换为Kotlin DSL？

import java.security.KeyFactory
import java.security.spec.PKCS8EncodedKeySpec

data class PrivateSignature(val algorithm: String, val privateKey: ByteArray, val signatureData: ByteArray)

fun privateSignature(algorithm: String, privateKey: ByteArray, signatureData: ByteArray): PrivateSignature {
    return PrivateSignature(algorithm, privateKey, signatureData)
}

// 解析私有签名信息
fun parsePrivateSignatureInfo() = privateSignature("RSA", privateKey, signatureData)

val privateKey = byteArrayOf(...) // 私钥字节数组
val signatureData = byteArrayOf(...) // 签名数据字节数组

// 使用DSL函数解析私有签名信息，并访问其属性
val parsedSignature = parsePrivateSignatureInfo()
println("签名算法：${parsedSignature.algorithm}")
println("私钥：${parsedSignature.privateKey}")
println("签名数据：${parsedSignature.signatureData}")