public void Sign(string fileName)
{
if (!Mscoree.StrongNameSignatureGeneration(fileName, _keyContainer, IntPtr.Zero, 0, 0, 0))
{
throw new ClrPlusException(String.Format("Unable Strong name assembly '{0}'.", fileName));
}
}
public void Dispose()
{
if (_keyContainer != null)
{
Mscoree.StrongNameKeyDelete(_keyContainer);
_keyContainer = null;
}
}
public StrongNameCertificateWrapper(X509Certificate2 certificate)
{
_keyContainer = Guid.NewGuid().ToString();
var privateKey = (certificate.PrivateKey as RSACryptoServiceProvider).ExportCspBlob(true);
if (!Mscoree.StrongNameKeyInstall(_keyContainer, privateKey, privateKey.Length))
{
throw new ClrPlusException("Unable to create KeyContainer");
}
}
/// <summary>
/// Generate a key. Sizes have to be multiples of 1024
/// </summary>
/// <param name="keysize">size, in bits, of the key to generate</param>
/// <returns>true if the operation succeeded, false otherwise</returns>
public static byte[] GenerateKey(uint keysize)
{
var keyBlob = IntPtr.Zero;
long generatedSize = 0;
var createdKey = Mscoree.StrongNameKeyGenEx(
null,
Mscoree.StrongNameKeyGenFlags.None,
(int)keysize,
out keyBlob,
out generatedSize);
if (!createdKey || keyBlob == IntPtr.Zero)
{
var error = Marshal.GetExceptionForHR(Mscoree.StrongNameErrorInfo());
throw error;
}
try
{
if (generatedSize <= 0 || generatedSize > int.MaxValue)
{
throw new Exception("Error while generating key");
}
var key = new byte[generatedSize];
Marshal.Copy(keyBlob, key, 0, (int)generatedSize);
return(key);
}
finally
{
if (keyBlob != IntPtr.Zero)
{
Mscoree.StrongNameFreeBuffer(keyBlob);
}
}
}
/// <summary>
/// This puts the strong name into the actual file on disk. The file MUST be delay signed by this point.
/// </summary>
/// <param name="filename"> </param>
/// <param name="certificate"> </param>
public static void ApplyStrongName(string filename, CertificateReference certificate)
{
filename = filename.GetFullPath();
filename.TryHardToMakeFileWriteable();
if (!File.Exists(filename))
{
throw new FileNotFoundException("Can't find file", filename);
}
// strong name the binary using the private key from the certificate.
var wszKeyContainer = Guid.NewGuid().ToString();
var privateKey = (certificate.Certificate.PrivateKey as RSACryptoServiceProvider).ExportCspBlob(true);
if (!Mscoree.StrongNameKeyInstall(wszKeyContainer, privateKey, privateKey.Length))
{
throw new ClrPlusException("Unable to create KeyContainer");
}
if (!Mscoree.StrongNameSignatureGeneration(filename, wszKeyContainer, IntPtr.Zero, 0, 0, 0))
{
throw new ClrPlusException("Unable Strong name assembly '{0}'.".format(filename));
}
Mscoree.StrongNameKeyDelete(wszKeyContainer);
}
