build.gradle(app)에 아래와 같은 dependency 추가 dependencies { ... implementation 'androidx.security:security-crypto:1.1.0-alpha01' ... } import android.content.Context import android.content.SharedPreferences import android.security.keystore.KeyGenParameterSpec import android.security.keystore.KeyProperties import android.util.Log import androidx.security.crypto.EncryptedSharedPreferences import androi..
