public virtual void VerifySignature()
{
// Verify the certificate used to sign the package.
var certificate = Certificate;
if (!certificate.Verify())
{
throw new Exception(Messages.CERTIFICATE_IS_INVALID);
}
// Get the package signature from the certificate file.
FileDigest fileDigest = null;
using (Stream stream = new MemoryStream(RawCertificate))
using (StreamReader reader = new StreamReader(stream))
{
// The package signature is the digest of the file identified on the first line in the certificate file.
fileDigest = new FileDigest(reader.ReadLine());
}
// Compare the stored signature to the computed signature.
// Do this independently to minimize the number of files opened concurrently.
using (Stream stream = new MemoryStream(RawManifest))
{
// Verify the signature using the public key.
fileDigest.Verify(stream, (RSACryptoServiceProvider)certificate.PublicKey.Key);
}
}
public override void VerifyManifest()
{
// Verify the presence of a manifest.
var manifest = Manifest;
int verifiedCount = 0;
using (var stream = new TarFileStream(PackageSourceFile))
{
// For a tar package, it is more efficient to iterate the files in the order within the archive.
while (MoveNext(stream))
{
// Find the manifest entry for the current tar entry.
FileDigest fileDigest = manifest.Find(
delegate(FileDigest aFileDigest)
{
return(String.Compare(aFileDigest.Name, stream.Current, true) == 0);
});
if (fileDigest == null)
{
continue;
}
// The manifest entry was found.
// Verify its digest.
fileDigest.Verify(new MemoryStream(stream.ReadAllBytes()));
verifiedCount++;
}
foreach (var fileDigest in manifest)
{
if (!fileDigest.WasVerified)
{
// A manifest entry was missing.
XenOvf.Utilities.Log.Error(string.Format(Messages.FILE_MISSING, fileDigest.Name));
}
}
if (verifiedCount != manifest.Count)
{
// A manifest entry was missing.
throw new Exception(Messages.SECURITY_FILE_MISSING);
}
}
}
public virtual void VerifySignature()
{
// Verify the certificate used to sign the package.
var certificate = Certificate;
if (!certificate.Verify())
{
throw new Exception(Messages.CERTIFICATE_IS_INVALID);
}
// Get the package signature from the certificate file.
FileDigest fileDigest = null;
using (Stream stream = new MemoryStream(RawCertificate))
using (StreamReader reader = new StreamReader(stream))
{
// The package signature is the digest of the file identified on the first line in the certificate file.
fileDigest = new FileDigest(reader.ReadLine());
}
// Compare the stored signature to the computed signature.
// Do this independently to minimize the number of files opened concurrently.
using (Stream stream = new MemoryStream(RawManifest))
{
// Verify the signature using the public key.
fileDigest.Verify(stream, (RSACryptoServiceProvider)certificate.PublicKey.Key);
}
}