public GetDerivedSystemSecretKeyResponse GetDerivedSystemSecretKey(GetDerivedSystemSecretKeyRequest request)
{
var store = SystemIdentityStore.Load();
using (var ms = new MemoryStream())
using (var hash = new SHA512CryptoServiceProvider2())
{
var input = Encoding.UTF8.GetBytes(request.Input);
ms.Write(input, 0, input.Length);
ms.WriteByte(0);
var secretKey = store.SecretKey;
ms.Write(secretKey, 0, secretKey.Length);
ms.Position = 0;
var result = new string(BitConverter.ToString(hash.ComputeHash(ms)).Where(c => c != '-').Select(char.ToUpperInvariant).ToArray());
return(new GetDerivedSystemSecretKeyResponse {
Key = result
});
}
}
internal static SystemIdentityStore Load()
{
if (_store != null) return _store;
lock (_syncroot)
{
if (_store == null)
{
const string userName = "******";
var serializer = new XmlSerializer(typeof (SystemIdentityStore));
var documentName = typeof (SystemIdentityStore).FullName;
var versionString = VersionUtils.ToPaddedVersionString(new Version(0, 0), false, false);
var criteria = new ConfigurationDocumentSearchCriteria();
criteria.User.EqualTo(userName);
criteria.DocumentName.EqualTo(documentName);
criteria.DocumentVersionString.EqualTo(versionString);
SystemIdentityStore store = null;
using (var scope = new PersistenceScope(PersistenceContextType.Read))
{
var broker = scope.Context.GetBroker<IConfigurationDocumentBroker>();
var document = broker.Find(criteria).FirstOrDefault();
if (document != null)
{
try
{
using (var reader = new StringReader(document.Body.DocumentText))
store = (SystemIdentityStore) serializer.Deserialize(reader);
}
catch (Exception)
{
store = null;
}
}
scope.Complete();
}
if (store == null || store.SecretKey == null || store.SecretKey.Length == 0)
{
if (store == null) store = new SystemIdentityStore();
store.SecretKey = new byte[128];
using (var crng = new RNGCryptoServiceProvider())
crng.GetBytes(store.SecretKey);
using (var scope = new PersistenceScope(PersistenceContextType.Update))
using (var writer = new StringWriter())
{
serializer.Serialize(writer, store);
var broker = scope.Context.GetBroker<IConfigurationDocumentBroker>();
var document = broker.Find(criteria).FirstOrDefault();
if (document != null)
{
document.Body.DocumentText = writer.ToString();
}
else
{
document = new ConfigurationDocument(documentName, versionString, userName, null);
document.Body.DocumentText = writer.ToString();
scope.Context.Lock(document, DirtyState.New);
}
scope.Complete();
}
}
Interlocked.Exchange(ref _store, store);
}
return _store;
}
}
internal static SystemIdentityStore Load()
{
if (_store != null)
{
return(_store);
}
lock (_syncroot)
{
if (_store == null)
{
const string userName = "******";
var serializer = new XmlSerializer(typeof(SystemIdentityStore));
var documentName = typeof(SystemIdentityStore).FullName;
var versionString = VersionUtils.ToPaddedVersionString(new Version(0, 0), false, false);
var criteria = new ConfigurationDocumentSearchCriteria();
criteria.User.EqualTo(userName);
criteria.DocumentName.EqualTo(documentName);
criteria.DocumentVersionString.EqualTo(versionString);
SystemIdentityStore store = null;
using (var scope = new PersistenceScope(PersistenceContextType.Read))
{
var broker = scope.Context.GetBroker <IConfigurationDocumentBroker>();
var document = broker.Find(criteria).FirstOrDefault();
if (document != null)
{
try
{
using (var reader = new StringReader(document.Body.DocumentText))
store = (SystemIdentityStore)serializer.Deserialize(reader);
}
catch (Exception)
{
store = null;
}
}
scope.Complete();
}
if (store == null || store.SecretKey == null || store.SecretKey.Length == 0)
{
if (store == null)
{
store = new SystemIdentityStore();
}
store.SecretKey = new byte[128];
using (var crng = new RNGCryptoServiceProvider())
crng.GetBytes(store.SecretKey);
using (var scope = new PersistenceScope(PersistenceContextType.Update))
using (var writer = new StringWriter())
{
serializer.Serialize(writer, store);
var broker = scope.Context.GetBroker <IConfigurationDocumentBroker>();
var document = broker.Find(criteria).FirstOrDefault();
if (document != null)
{
document.Body.DocumentText = writer.ToString();
}
else
{
document = new ConfigurationDocument(documentName, versionString, userName, null);
document.Body.DocumentText = writer.ToString();
scope.Context.Lock(document, DirtyState.New);
}
scope.Complete();
}
}
Interlocked.Exchange(ref _store, store);
}
return(_store);
}
}