I am getting the UnathorizedAccessException while using Cryptographic provider with 2048 Key size.
below line procudes the exception in Xamarin Android.
using (RSACryptoServiceProvider rsa2048 = new RSACryptoServiceProvider(2048, m_Csp2048))
Error Message : System.Security.Cryptography.CryptographicException: Could not create machine key store '/usr/share/.mono/keypairs'. ---> System.UnauthorizedAccessException: Access to the path "/usr" is denied.