internal void Encode(AsnWriter writer, Asn1Tag tag)
{
writer.PushSequence(tag);
writer.WriteInteger(Version);
// Validator for tag constraint for Subject
{
if (!Asn1Tag.TryParse(Subject.Span, out Asn1Tag validateTag, out _) ||
!validateTag.HasSameClassAndValue(new Asn1Tag((UniversalTagNumber)16)))
{
throw new CryptographicException();
}
}
writer.WriteEncodedValue(Subject);
SubjectPublicKeyInfo.Encode(writer);
writer.PushSetOf(new Asn1Tag(TagClass.ContextSpecific, 0));
for (int i = 0; i < Attributes.Length; i++)
{
Attributes[i].Encode(writer);
}
writer.PopSetOf(new Asn1Tag(TagClass.ContextSpecific, 0));
writer.PopSequence(tag);
}
internal void Encode(AsnWriter writer, Asn1Tag tag)
{
writer.PushSequence(tag);
// DEFAULT value handler for Version.
{
using (AsnWriter tmp = new AsnWriter(AsnEncodingRules.DER))
{
tmp.WriteInteger(Version);
ReadOnlySpan <byte> encoded = tmp.EncodeAsSpan();
if (!encoded.SequenceEqual(s_defaultVersion))
{
writer.PushSequence(new Asn1Tag(TagClass.ContextSpecific, 0));
writer.WriteEncodedValue(encoded.ToArray());
writer.PopSequence(new Asn1Tag(TagClass.ContextSpecific, 0));
}
}
}
writer.WriteInteger(SerialNumber.Span);
SignatureAlgorithm.Encode(writer);
// Validator for tag constraint for Issuer
{
if (!Asn1Tag.TryDecode(Issuer.Span, out Asn1Tag validateTag, out _) ||
!validateTag.HasSameClassAndValue(new Asn1Tag((UniversalTagNumber)16)))
{
throw new CryptographicException();
}
}
writer.WriteEncodedValue(Issuer.Span);
Validity.Encode(writer);
// Validator for tag constraint for Subject
{
if (!Asn1Tag.TryDecode(Subject.Span, out Asn1Tag validateTag, out _) ||
!validateTag.HasSameClassAndValue(new Asn1Tag((UniversalTagNumber)16)))
{
throw new CryptographicException();
}
}
writer.WriteEncodedValue(Subject.Span);
SubjectPublicKeyInfo.Encode(writer);
if (IssuerUniqueId.HasValue)
{
writer.WriteBitString(new Asn1Tag(TagClass.ContextSpecific, 1), IssuerUniqueId.Value.Span);
}
if (SubjectUniqueId.HasValue)
{
writer.WriteBitString(new Asn1Tag(TagClass.ContextSpecific, 2), SubjectUniqueId.Value.Span);
}
if (Extensions != null)
{
writer.PushSequence(new Asn1Tag(TagClass.ContextSpecific, 3));
writer.PushSequence();
for (int i = 0; i < Extensions.Length; i++)
{
Extensions[i].Encode(writer);
}
writer.PopSequence();
writer.PopSequence(new Asn1Tag(TagClass.ContextSpecific, 3));
}
writer.PopSequence(tag);
}