Add password to Sqlite file in Xamarin forms

c# entity-framework-core sqlite xamarin.forms


I have a Xamarin form application that creates a Sqlite database.

Microsoft.EntityFrameworkCore.Sqlite is used to create the database. I want to add a password to the file. I searched the internet, but unfortunately I can't find any obvious way. On StackOverflow, there are some questions that are similar to my question, however, the platform is not Xamarin Forms.

Here are the questions:

This is my code for creating the database:

public class DoctorDatabaseContext : DbContext
        private readonly string DatabasePath;

        public virtual DbSet<OperationsNames> OperationsNames { get; set; }
        public virtual DbSet<CommonChiefComplaint> CommonChiefComplaint { get; set; }
        public virtual DbSet<CommonDiagnosis> CommonDiagnosis { get; set; }
        public virtual DbSet<CommonLabTests> CommonLabTests { get; set; }

        public DoctorDatabaseContext(string DatabasePath)
            FixedDatabasePath.Path = this.DatabasePath = DatabasePath;


        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
2/25/2018 7:16:00 PM

Accepted Answer

I wrote a post on Encryption in Microsoft.Data.Sqlite. You can leverage it in EF Core by passing in an open connection to UseSqlite.

Instead of Microsoft.EntityFrameworkCore.Sqlite, use these packages:

  • Microsoft.EntityFrameworkCore.Sqlite.Core
  • SQLitePCLRaw.bundle_sqlcipher

protected override void OnConfiguring(DbContextOptionsBuilder options)
    // TODO: Dispose with DbContext
    _connection = new SqliteConnection(_connectionString);

    // TODO: Avoid SQL injection (see post)
    var command = _connection.CreateCommand();
    command.CommandText = "PRAGMA key = '" + _password + "'";

3/5/2018 5:47:08 PM

Popular Answer

Not exactly an answer to your question but a suggestion. You can use a library called Akavache to store data.

There are four storage locations: - BlobCache.LocalMachine - Device storage - BlobCache.UserAccount - User settings. Some systems backup this data to the cloud. - BlobCache.Secure - For saving sensitive data - like credentials.(encrypted) - BlobCache.InMemory - A database, kept in memory. The data is stored for the lifetime of the app.

Hope that helps

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Licensed under: CC-BY-SA with attribution
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