public void Constructor_Empty ()
{
SubjectKeyIdentifierExtension ski = new SubjectKeyIdentifierExtension ();
ski.Identifier = new byte[] {
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00
};
Empty (ski);
}
public void Constructor_ASN1 ()
{
SubjectKeyIdentifierExtension ext = new SubjectKeyIdentifierExtension ();
ext.Identifier = new byte[] {
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00
};
SubjectKeyIdentifierExtension ski = new SubjectKeyIdentifierExtension (ext.ASN1);
Empty (ski);
}
private void Empty (SubjectKeyIdentifierExtension ski)
{
Assert.IsFalse (ski.Critical, "Critical");
Assert.AreEqual ("2.5.29.14", ski.Oid, "Oid");
Assert.IsNotNull (ski.Name, "Name");
Assert.IsFalse (ski.Name == ski.Oid, "Name!=Oid");
Assert.AreEqual (new byte[] {
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00
}, ski.Identifier, "Identifier");
}
private byte[] GetUniqueName (X509ExtensionCollection extensions)
{
// We prefer Subject Key Identifier as the unique name
// as it will provide faster lookups
X509Extension ext = extensions ["2.5.29.14"];
if (ext == null)
return null;
SubjectKeyIdentifierExtension ski = new SubjectKeyIdentifierExtension (ext);
return ski.Identifier;
}
private byte[] GetUniqueName (X509ExtensionCollection extensions, byte[] serial = null)
{
// We prefer Subject Key Identifier as the unique name
// as it will provide faster lookups
X509Extension ext = extensions ["2.5.29.14"];
if (ext == null)
return null;
SubjectKeyIdentifierExtension ski = new SubjectKeyIdentifierExtension (ext);
if (serial == null) {
return ski.Identifier;
} else {
byte[] uniqueWithSerial = new byte[ski.Identifier.Length + serial.Length];
System.Buffer.BlockCopy (ski.Identifier, 0, uniqueWithSerial, 0, ski.Identifier.Length );
System.Buffer.BlockCopy (serial, 0, uniqueWithSerial, ski.Identifier.Length, serial.Length );
return uniqueWithSerial;
}
}
// private stuff
private string GetUniqueName (X509Certificate certificate)
{
string method = null;
byte[] name = null;
// We prefer Subject Key Identifier as the unique name
// as it will provide faster lookups
X509Extension ext = certificate.Extensions ["2.5.29.14"];
if (ext != null) {
SubjectKeyIdentifierExtension ski = new SubjectKeyIdentifierExtension (ext);
name = ski.Identifier;
method = "ski";
}
else {
method = "tbp"; // thumbprint
name = certificate.Hash;
}
StringBuilder sb = new StringBuilder (method);
sb.Append ("-");
foreach (byte b in name) {
sb.Append (b.ToString ("X2", CultureInfo.InvariantCulture));
}
sb.Append (".cer");
return sb.ToString ();
}
static byte [] GetSubjectKeyIdentifier (X509Extension ext)
{
if (ext == null)
return null;
SubjectKeyIdentifierExtension ski = new SubjectKeyIdentifierExtension (ext);
return ski.Identifier;
}
public void AuthorityKeyIdentifier_Critical ()
{
SubjectKeyIdentifierExtension ski = new SubjectKeyIdentifierExtension ();
ski.Critical = true;
ski.Identifier = new byte[] {
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00
};
Assert.AreEqual ("30-20-06-03-55-1D-0E-01-01-FF-04-16-04-14-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00", BitConverter.ToString (ski.GetBytes ()), "GetBytes");
SubjectKeyIdentifierExtension ski2 = new SubjectKeyIdentifierExtension (ski.ASN1);
Assert.IsTrue (ski2.Critical, "Critical");
Assert.AreEqual (new byte[] {
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00
}, ski2.Identifier, "Identifier");
}
public void EmptyIdentifier ()
{
SubjectKeyIdentifierExtension ext = new SubjectKeyIdentifierExtension ();
SubjectKeyIdentifierExtension ski = new SubjectKeyIdentifierExtension (ext);
Empty (ski);
}