public void InitializeFull(ConsoleEx consoleEx, HelixFileVersion fileVersion = null)
{
PreInitializationCheck();
//Initialize Encr Directory
consoleEx?.WriteLine(VerbosityLevel.Detailed, 0, "Initializing Encrypted Directory...");
Header = DirectoryHeader.New();
EncrDirectory.Create();
if (WhatIf)
{
EncrDirectory.WhatIfAddFile(HelixConsts.HeaderFileName, 10);
}
else
{
Header.Save(EncrDirectory.PathFull(HelixConsts.HeaderFileName), DerivedBytesProvider, fileVersion);
EncrDirectory.RefreshEntry(HelixConsts.HeaderFileName);
}
this.FileNameEncoder = new FileNameEncoder(Header.FileNameKey);
consoleEx?.WriteLine(VerbosityLevel.Detailed, 1, "Encrypted Directory Initialized (" + Header.DirectoryId.Substring(0, 6) + "...)");
InitializeDecr(consoleEx);
}
public static DirectoryHeader Load(string filePath, DerivedBytesProvider derivedBytesProvider)
{
DirectoryHeader directoryHeader = new DirectoryHeader();
using Stream streamIn = File.OpenRead(filePath);
using HelixFileDecryptor decryptor = new HelixFileDecryptor(streamIn);
decryptor.Initialize(derivedBytesProvider);
directoryHeader.FileVersion = decryptor.FileVersion;
directoryHeader.Header = decryptor.ReadHeader();
directoryHeader.FileVersion = decryptor.FileVersion;
var contentSerialized = decryptor.GetContentString();
//var contentDeserialized = JsonConvert.DeserializeAnonymousType(contentSerialized, new { EncryptedFileNameSalt = new byte[] { } });
JsonConvert.PopulateObject(contentSerialized, directoryHeader);
if (!Regex.IsMatch(directoryHeader.DirectoryId, "^[0-9A-F]{32}$"))
{
throw new HelixException("Data curruption directory header, DirectoryId malformed");
}
if (directoryHeader.FileNameKey == null || directoryHeader.FileNameKey.Length != 32)
{
throw new HelixException("Data curruption directory header, FileNameKey missing or insufficient length");
}
return(directoryHeader);
}
public void OpenEncr(ConsoleEx consoleEx)
{
if (Header == null)
{
consoleEx?.WriteLine(VerbosityLevel.Detailed, 0, "Opening Encrypted Directory...");
Header = DirectoryHeader.Load(EncrDirectory.PathFull(HelixConsts.HeaderFileName), DerivedBytesProvider);
consoleEx?.WriteLine(VerbosityLevel.Detailed, 0, "Opened Encrypted Directory (" + Header.DirectoryId.Substring(0, 6) + "...)");
}
this.FileNameEncoder = new FileNameEncoder(Header.FileNameKey);
}
public static DirectoryHeader New(RandomNumberGenerator rng = null)
{
rng ??= RandomNumberGenerator.Create();
DirectoryHeader directoryHeader =
new DirectoryHeader
{
Header = new FileEntry {
FileName = "helix.hx"
},
FileNameKey = new byte[256 / 8]
};
rng.GetBytes(directoryHeader.FileNameKey);
directoryHeader.DirectoryId = NewDirectoryId(rng);
return(directoryHeader);
}
