EhsanSetayesh

@POST("api/v1/testApp/sign")
@Multipart
suspend fun sign(
    @Part certFile: MultipartBody.Part,
    @Part passwordFile: MultipartBody.Part,
    @Part("data") data: RequestBody
): Response<CustomResponseModel>


private fun readPfxFileFromAssets(context: Context, fileName: String): ByteArray {

EhsanSetayesh

import android.security.keystore.KeyGenParameterSpec
import android.security.keystore.KeyProperties
import java.nio.charset.StandardCharsets
import java.security.KeyPairGenerator
import java.security.KeyStore
import java.util.Base64
import javax.crypto.Cipher

const val KEYSTORE_ALIAS = "apiKeys"
const val ANDROID_KEYSTORE = "AndroidKeyStore"

EhsanSetayesh

const val PREF_NAME = "apiKeys"
const val PREF_DATA = "PREF_DATA"

class EncryptedPreferencesImpl(context: Context) : EncryptedPreferences {
    private val masterKey = MasterKey.Builder(context)
        .setKeyScheme(MasterKey.KeyScheme.AES256_GCM)
        .build() as? MasterKey

    private val preferences = masterKey?.let {
        EncryptedSharedPreferences.create(