public static void RegisterInConfig(Configuration configFile)
{
RijndaelManaged rm = new RijndaelManaged();
rm.GenerateKey();
rm.GenerateIV();
ConfigurationSectionGroup group = configFile.SectionGroups[Constants.DataProvidersSectionGroupName];
if (group == null)
{
group = new ConfigurationSectionGroup();
configFile.SectionGroups.Add(Constants.DataProvidersSectionGroupName, group);
}
try { group.Sections.Remove(SectionName); }
catch { }
DataProviderKeysSection section = new DataProviderKeysSection();
section.IVString = Strings.SerializeObject(rm.IV);
section.KeyString = Strings.SerializeObject(rm.Key);
group.Sections.Add(SectionName, section);
configFile.Save();
}
public static bool IsValid(DataProviderKeysSection section)
{
if (section == null || string.IsNullOrEmpty(section.IVString) || string.IsNullOrEmpty(section.KeyString))
{
return(false);
}
RijndaelManaged rm = new RijndaelManaged();
rm.GenerateIV();
if (rm.IV.Length != section.IV.Length)
{
return(false);
}
rm.GenerateKey();
if (rm.Key.Length != section.Key.Length)
{
return(false);
}
return(true);
}
public static RijndaelManaged GetFromConfig(Configuration configFile)
{
RijndaelManaged rm = new RijndaelManaged();
ConfigurationSectionGroup group = configFile.SectionGroups[Constants.DataProvidersSectionGroupName];
if (group == null)
{
group = new ConfigurationSectionGroup();
configFile.SectionGroups.Add(Constants.DataProvidersSectionGroupName, group);
configFile.Save();
}
DataProviderKeysSection section = group.Sections[SectionName] as DataProviderKeysSection;
if (!IsValid(section))
{
if (section == null)
{
section = new DataProviderKeysSection();
group.Sections.Add(DataProviderKeysSection.SectionName, section);
}
rm.GenerateIV();
rm.GenerateKey();
section.IVString = Strings.SerializeObject(rm.IV);
section.KeyString = Strings.SerializeObject(rm.Key);
if (!section.SectionInformation.IsProtected)
{
section.SectionInformation.ProtectSection("RsaProtectedConfigurationProvider");
}
configFile.Save();
ConfigurationManager.RefreshSection(SectionName);
}
rm.IV = section.IV;
rm.Key = section.Key;
return(rm);
}
public static byte[] EncryptObject(object o)
{
return(EncryptObject(o, DataProviderKeysSection.GetFromConfig()));
}
public static T DecryptObject <T>(byte[] encryptedData)
{
return(DecryptObject <T>(encryptedData, DataProviderKeysSection.GetFromConfig()));
}
