/// <summary>
/// Adds an entry into key chain. If a duplicate is found, it is removed & re-added.
/// </summary>
/// <param name="secureValues">Object containing secure values</param>
/// <returns>Whether the key chain entry was added successfully.</returns>
public static bool StoreSecureDataInKeychain(KeyStoreModel secureValues)
{
var success = false;
var s = new SecRecord(SecKind.GenericPassword)
{
ValueData = NSData.FromString(JsonConvert.SerializeObject(secureValues)),
Generic = NSData.FromString(KEY),
AccessGroup = "H29ZBDYNSU.com.andculture.boilerplate" // TODO: Change to your app's bundle id
};
var err = SecKeyChain.Add(s);
if (err == SecStatusCode.DuplicateItem)
{
err = SecKeyChain.Remove(s);
if (err == SecStatusCode.Success)
{
return(StoreSecureDataInKeychain(secureValues));
}
}
else if (err == SecStatusCode.Success)
{
success = true;
}
return(success);
}
/// <summary>
/// Gets a string value from keychain for the supplied key.
/// </summary>
/// <returns>The value of the entry as a string.</returns>
public static KeyStoreModel GetSecureDataFromKeychain()
{
KeyStoreModel result = null;
var rec = new SecRecord(SecKind.GenericPassword)
{
Generic = NSData.FromString(KEY)
};
var match = SecKeyChain.QueryAsRecord(rec, out SecStatusCode res);
if (match != null && match.ValueData != null)
{
result = JsonConvert.DeserializeObject <KeyStoreModel>(match.ValueData.ToString());
}
return(result);
}
