public string Encrypt(string plainTextMessage, IPublicKeyProvider publicKeyProvider)
{
var publicKey = AsymetricKeyParameterExtensions
.GetPublicKeyFromString(publicKeyProvider
.GetPublicKeyString(folderProvider.GetFolderName()));
var csp = new RSACryptoServiceProvider(2048);
csp.ImportParameters(publicKey);
var bytesPlainText = Encoding.Unicode.GetBytes(plainTextMessage);
var bytesCipherText = csp.Encrypt(bytesPlainText, false);
return(Convert.ToBase64String(bytesCipherText));
}
