/// <summary>
/// Initializes a new instance of the <see cref="DashboardEncryptor"/> class.
/// </summary>
public DashboardEncryptor()
{
this.seed = EncryptionHelper.GetRandomSeed(SeedLength);
this.salt = EncryptionHelper.GetRandomSeed(32);
this.key = EncryptionHelper.GenerateAesKeyFromSeed(seed, salt);
}
/// <summary>
/// Initializes a new instance of the <see cref="DashboardDecryptor"/> class.
/// </summary>
/// <param name="encryptedDashboard">The encrypted dashboard.</param>
public DashboardDecryptor(Dashboard encryptedDashboard)
{
var seed = Convert.FromBase64String(encryptedDashboard.Key);
var salt = Convert.FromBase64String(encryptedDashboard.Salt);
this.key = EncryptionHelper.GenerateAesKeyFromSeed(seed, salt);
}
/// <summary>
/// Initializes a new instance of the <see cref="DashboardEncryptor" /> class.
/// </summary>
/// <param name="dashboard">The dashboard.</param>
public DashboardEncryptor(Dashboard dashboard)
{
this.seed = Convert.FromBase64String(dashboard.Key);
this.salt = Convert.FromBase64String(dashboard.Salt);
this.key = EncryptionHelper.GenerateAesKeyFromSeed(seed, salt);
}
/// <summary>
/// Symmetrics the decrypt data.
/// </summary>
/// <param name="data">
/// The data.
/// </param>
/// <param name="key">
/// The key.
/// </param>
/// <returns>
/// Decrypted data
/// </returns>
public static byte[] SymmetricDecryptData(byte[] data, AesKey key)
{
if (data == null)
{
throw new ArgumentException(nameof(data));
}
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
using (var algorithm = new AesManaged())
{
return Transform(data, algorithm.CreateDecryptor(key.GetKey(), key.GetInitializationVector()));
}
}
/// <summary>
/// Encripts the in base64.
/// </summary>
/// <param name="content">The content.</param>
/// <param name="key">The key.</param>
/// <returns></returns>
public static string SymmetricEncryptInBase64(string content, AesKey key)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
return Convert.ToBase64String(SymmetricEncryptData(Encoding.UTF8.GetBytes(content), key));
}
/// <summary>
/// Encripts the in base64.
/// </summary>
/// <param name="content">The content.</param>
/// <param name="key">The key.</param>
/// <returns></returns>
public static string SymmetricDecryptInBase64(string content, AesKey key)
{
if (string.IsNullOrEmpty(content))
{
throw new ArgumentNullException("content");
}
if (key == null)
{
throw new ArgumentNullException("key");
}
return Encoding.UTF8.GetString(SymmetricDecryptData(Convert.FromBase64String(content), key));
}
