/// <summary>
/// Saves the license key.
/// </summary>
public override void Save()
{
// Check whether vendor-authorisation is required.
if (!this.IsPersisted || !this.ComputeHash().SequenceEqual(this.Provider.Security.License.FetchById(this.Id).ComputeHash()) || this.Status == LicenseStatus.Invalid)
{
// Obtain the required license key.
LicenseKey licenseKey = LicenseKey.PrivateKey;
if (licenseKey != null)
{
this.ModifiedData.Signature = licenseKey.Sign(this.ComputeHash());
}
}
this._status = null;
// Recompute the status and save if the license has not been invalidated.
if (this.Status != LicenseStatus.Invalid)
{
base.Save();
this.Provider.Security.License.Reset();
}
}
/// <summary>
/// Saves the public and private elements of the license key.
/// </summary>
internal void Save(String filename, Boolean includePrivate)
{
Byte[] oidValue = LicenseKey.SetAsnData(0x06, LicenseKey.RsaObjectIdentifier);
Byte[] oidNulls = LicenseKey.SetAsnData(0x05, new Byte[0]);
Byte[] oidBlock = LicenseKey.SetAsnData(0x30, oidValue.Concat(oidNulls));
Byte[] keyValue = LicenseKey.SetAsnData(0x02, this.Parameters.Modulus).Concat(LicenseKey.SetAsnData(0x02, this.Parameters.Exponent)).ToArray();
if (includePrivate)
{
keyValue = keyValue.Concat(
LicenseKey.SetAsnData(0x02, this.Parameters.D)).Concat(
LicenseKey.SetAsnData(0x02, this.Parameters.P)).Concat(
LicenseKey.SetAsnData(0x02, this.Parameters.Q)).Concat(
LicenseKey.SetAsnData(0x02, this.Parameters.DP)).Concat(
LicenseKey.SetAsnData(0x02, this.Parameters.DQ)).Concat(
LicenseKey.SetAsnData(0x02, this.Parameters.InverseQ)).ToArray();
}
Byte[] rsaValue = LicenseKey.SetAsnData(0x30, keyValue);
Byte[] rsaBlock = LicenseKey.SetAsnData(0x03, rsaValue);
Byte[] asnBlock = LicenseKey.SetAsnData(0x30, oidBlock.Concat(rsaBlock));
StringBuilder builder = new StringBuilder();
builder.AppendLine("----- BEGIN " + (includePrivate ? "PRIVATE" : "PUBLIC") + " RSA KEY -----");
builder.AppendLine();
builder.AppendLine(Convert.ToBase64String(asnBlock, Base64FormattingOptions.InsertLineBreaks));
builder.AppendLine();
builder.AppendLine("----- END " + (includePrivate ? "PRIVATE" : "PUBLIC") + " RSA KEY -----");
File.WriteAllText(filename, builder.ToString());
}
