X509Extension.cs

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using Internal.Cryptography;
 
namespace System.Security.Cryptography.X509Certificates;
 
public class X509Extension : AsnEncodedData
{
    public bool Critical { get; set; }
 
    protected X509Extension()
    {
    }
 
    public X509Extension(AsnEncodedData encodedExtension, bool critical)
        : this(encodedExtension.Oid, encodedExtension.RawData, critical)
    {
    }
 
    public X509Extension(Oid oid, byte[] rawData, bool critical)
        : this(oid, rawData.AsSpanParameter("rawData"), critical)
    {
    }
 
    public X509Extension(Oid oid, ReadOnlySpan<byte> rawData, bool critical)
        : base(oid, rawData)
    {
        if (base.Oid == null || base.Oid.Value == null)
        {
            throw new ArgumentNullException("oid");
        }
        if (base.Oid.Value.Length == 0)
        {
            throw new ArgumentException(System.SR.Format(System.SR.Arg_EmptyOrNullString_Named, "oid.Value"), "oid");
        }
        Critical = critical;
    }
 
    public X509Extension(string oid, byte[] rawData, bool critical)
        : this(new Oid(oid), rawData, critical)
    {
    }
 
    public X509Extension(string oid, ReadOnlySpan<byte> rawData, bool critical)
        : this(new Oid(oid), rawData, critical)
    {
    }
 
    public override void CopyFrom(AsnEncodedData asnEncodedData)
    {
        if (asnEncodedData == null)
        {
            throw new ArgumentNullException("asnEncodedData");
        }
        if (!(asnEncodedData is X509Extension x509Extension))
        {
            throw new ArgumentException(System.SR.Cryptography_X509_ExtensionMismatch);
        }
        base.CopyFrom(asnEncodedData);
        Critical = x509Extension.Critical;
    }
 
    internal X509Extension(Oid oid)
    {
        base.Oid = oid;
    }
}