public static ArchiveKeyResult Archive(string ArchiveFile,
string Password,
FileInfo SecuredKey)
{
ArchiveKeyResult result = new ArchiveKeyResult
{
IsInError = false,
ArchiveKey = ArchiveFile,
SecuredKey = SecuredKey.FullName,
Password = Password
};
ProtectedKey _securedKey;
try
{
using (FileStream rfs = File.OpenRead(SecuredKey.FullName))
{
_securedKey = KeyManager.Read(rfs, DataProtectionScope.LocalMachine);
}
using (FileStream ofs = File.OpenWrite(ArchiveFile))
{
KeyManager.ArchiveKey(ofs, _securedKey, Password);
}
} catch (Exception ex)
{
result.IsInError = true;
result.ErrorString = ex.Message;
result.Exception = ex;
}
return(result);
}
public void SymmetricKeysCanBeRoundTrippedToAndFromArchivalStream()
{
ProtectedKey keyToArchive = ProtectedKey.CreateFromPlaintextKey(generatedKey, DataProtectionScope.CurrentUser);
KeyManager.ArchiveKey(stream, keyToArchive, "passphrase");
stream.Seek(0, SeekOrigin.Begin);
ProtectedKey restoredKey = KeyManager.RestoreKey(stream, "passphrase", DataProtectionScope.CurrentUser);
AssertHelpers.AssertArraysEqual(keyToArchive.DecryptedKey, restoredKey.DecryptedKey);
}
/// <summary>
/// Generates a new Cryptographic key from Security.Cryptography. Use to initiate new basis for encrypting objects.
/// </summary>
/// <param name="NewKeyFile">Name of new keyfile to be generated</param>
/// <param name="Password">Password used to secure the new keyfile</param>
/// <returns></returns>
public static bool Generate(FileInfo NewKeyFile, string Password)
{
KeyManager.ClearCache();
byte[] managerByteKey = KeyManager.GenerateSymmetricKey("Rijndael");
ProtectedKey newProtectedKey = ProtectedKey.CreateFromPlaintextKey(managerByteKey, DataProtectionScope.LocalMachine);
using (FileStream ofs = File.OpenWrite(NewKeyFile.FullName))
{
KeyManager.ArchiveKey(ofs, newProtectedKey, Password);
}
return(true);
}
private void btnOk_Click(object sender, EventArgs e)
{
if (exportKeyControl1.ValidateControl())
{
try
{
using (Stream fileOut = File.OpenWrite(exportKeyControl1.FileName))
{
KeyManager.ArchiveKey(fileOut, key, exportKeyControl1.Password);
}
}
catch (Exception)
{
MessageBox.Show(KeyManagerResources.ErrorExportingKey, KeyManagerResources.ExportDialogErrorTitle, MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
}
}
else
{
this.DialogResult = DialogResult.None;
}
}
