/// <summary>
/// Populates this CMS blob with the data from signing a code directory
/// </summary>
public void SignCodeDirectory(X509Certificate2 SigningCert, DateTime SigningTime, CodeDirectoryBlob CodeDirectory)
{
// Create a signer
CmsSigner Signer = new CmsSigner(SigningCert);
Signer.IncludeOption = X509IncludeOption.WholeChain;
Signer.SignerIdentifierType = SubjectIdentifierType.IssuerAndSerialNumber;
Signer.DigestAlgorithm = new Oid(CryptoConfig.MapNameToOID("SHA1"), "SHA1");
// A Pkcs9ContentType and Pkcs9MessageDigest will automatically be added, and it fails to
// compute a signature if they are added manually, so only the signing time needs to be added
Signer.SignedAttributes.Add(new Pkcs9SigningTime(SigningTime));
// Sign the data (in a detached manner, so only the digest of the CodeDirectory is
// stored in the CMS blob and not the whole CodeDirectory blob)
bool bDetached = true;
bool bSilent = true;
ContentInfo CodeDirContentInfo = new ContentInfo(CodeDirectory.GetBlobBytes());
SignedCms CMS = new SignedCms(CodeDirContentInfo, bDetached);
CMS.ComputeSignature(Signer, bSilent);
MyData = CMS.Encode();
}
