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Encrypt a Realm - .NET SDK

You can encrypt your local realm to ensure data security. For more information, see Encryption - .NET SDK.

Note

The same encryption key must be supplied every time you obtain a Realm instance. If you don't provide a key, or specify the wrong key, for an encrypted Realm, you will get a RealmFileAccessErrorException when you call GetInstance.

The following code demonstrates how to generate an encryption key and open an encrypted realm:

// Check if we already have a key stored in the platform's secure storage.
// If we don't, generate a new one:
var encryptionKey = new byte[64];
using var rng = new RNGCryptoServiceProvider();
rng.GetBytes(encryptionKey);
// Store the key securely to be used next time we want to open the Realm.
// Create configuration.
var config = new RealmConfiguration
{
EncryptionKey = encryptionKey
};
// Open or create a realm with the encryption key.
var realm = Realm.GetInstance(config);
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