I am using the Ktor in my native application,

• In which I will be receiving the Public key from the login API.
• This public key I will be saving in a preference at init
• Now I need to use this public key as part of Ktor client so that on each network call I will be validating the Key which will prevent Man in middle Attack as part of security

Hence I need to implement the SSL pinning as part of Ktor Client , Guide me on how to implement in native Android Application

My Ktor client look as below

val ktorHttpClient = HttpClient(Android) {
    expectSuccess = true
    install(ContentNegotiation) {
        json(Json {
            prettyPrint = true
            isLenient = true
            ignoreUnknownKeys = true
            explicitNulls = false
        })
    }
}

In this I need to configure the SSL pinning via public key

SSL Manager Impl with engine in ktor, but the engine block is not executed confirmed with the log

val pin = "sha256/afwiKY3RxoMmLkuRW1l7QsPZTJPwDS2pdDROQjXw8ig="
    val PINNED_HOST_NAME = "qual.abc.com"
    engine {
        sslManager = { httpsURLConnection ->
            httpsURLConnection.hostnameVerifier = object : HostnameVerifier {
                override fun verify(hostname: String?, session: SSLSession?): Boolean {
                    // Check if the hostname matches the expected domain
                    if (!hostname.equals(PINNED_HOST_NAME, ignoreCase = true)) return false

                    // Extract the server's certificate chain
                    val certificates = session?.peerCertificates ?: return false

                    // Get the public key from the first certificate in the chain
                    val serverPublicKey = certificates[0].publicKey.encoded

                    // Convert the server's public key byte array to a hexadecimal string
                    val serverPublicKeyHex = Base64.encodeToString(serverPublicKey, Base64.NO_WRAP).toString()
                    Timber.tag("SSL pin").d("${pin.contentEquals(serverPublicKeyHex)}")
                    // Compare the server's public key with the pinned public key
                    return pin.contentEquals(serverPublicKeyHex)
                }
            }
            //  httpsURLConnection.sslSocketFactory = sslFactory.sslSocketFactory
        }
    }