public static AsnBoolean Decode(byte[] source, ref int pos)
{
AsnBoolean instance = new AsnBoolean();
//CheckContextTag(source, ref pos);
pos++;
long length = instance.GetLength(source, ref pos);
instance.value = (bool)(source[pos] != 0);
pos++;
return(instance);
}
public static AsnExtension Decode(byte[] source, ref int pos)
{
AsnExtension instance = new AsnExtension();
pos++;
long len = instance.GetLength(source, ref pos);
instance.extnID = AsnOid.Decode(source, ref pos);
if (source[pos] == 0x1)
{
instance.critical = AsnBoolean.Decode(source, ref pos);
}
instance.extnValue = AsnOctetstring.Decode(source, ref pos);
return(instance);
}
// TODO: note 4.1.2.9 of RFC5280 - there are some additional requirements on CAs
// especially regarding the optional path length stuff
public void ExtensionBasicConstraints(bool ca)
{
if (extensions == null)
{
extensions = new AsnExtensions();
}
AsnBoolean caFlag = new AsnBoolean(ca);
int length = caFlag.Encode();
byte[] bytes = new byte[length + 2];
bytes[0] = 0x30; // it's a sequence
bytes[1] = (byte)length;
Array.Copy(caFlag.derValue, 0, bytes, 2, caFlag.derValue.Length);
AsnExtension extension = new AsnExtension(new AsnOid("2.5.29.19"), true, bytes);
extensions.extensions.Add(extension);
}
public AsnExtension(string oid, bool isCritical, byte[] value)
{
extnID = new AsnOid(oid);
critical = new AsnBoolean(isCritical);
extnValue = new AsnOctetstring(value);
}