AttributeAsn.cs

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using System.Formats.Asn1;
 
namespace System.Security.Cryptography.Asn1;
 
internal struct AttributeAsn
{
    internal string AttrType;
 
    internal ReadOnlyMemory<byte>[] AttrValues;
 
    internal void Encode(AsnWriter writer)
    {
        Encode(writer, Asn1Tag.Sequence);
    }
 
    internal void Encode(AsnWriter writer, Asn1Tag tag)
    {
        writer.PushSequence(tag);
        try
        {
            writer.WriteObjectIdentifier(AttrType);
        }
        catch (ArgumentException inner)
        {
            throw new CryptographicException(System.SR.Cryptography_Der_Invalid_Encoding, inner);
        }
        writer.PushSetOf();
        for (int i = 0; i < AttrValues.Length; i++)
        {
            try
            {
                writer.WriteEncodedValue(AttrValues[i].Span);
            }
            catch (ArgumentException inner2)
            {
                throw new CryptographicException(System.SR.Cryptography_Der_Invalid_Encoding, inner2);
            }
        }
        writer.PopSetOf();
        writer.PopSequence(tag);
    }
 
    public AttributeAsn(AsnEncodedData attribute)
    {
        if (attribute == null)
        {
            throw new ArgumentNullException("attribute");
        }
        AttrType = attribute.Oid.Value;
        AttrValues = new ReadOnlyMemory<byte>[1]
        {
            new ReadOnlyMemory<byte>(attribute.RawData)
        };
    }
}