internal static void Decode(AsnReader reader, out RecipientIdentifierAsn decoded)
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
decoded = default;
Asn1Tag tag = reader.PeekTag();
if (tag.HasSameClassAndValue(Asn1Tag.Sequence))
{
System.Security.Cryptography.Pkcs.Asn1.IssuerAndSerialNumberAsn tmpIssuerAndSerialNumber;
System.Security.Cryptography.Pkcs.Asn1.IssuerAndSerialNumberAsn.Decode(reader, out tmpIssuerAndSerialNumber);
decoded.IssuerAndSerialNumber = tmpIssuerAndSerialNumber;
}
else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 0)))
{
if (reader.TryGetPrimitiveOctetStringBytes(new Asn1Tag(TagClass.ContextSpecific, 0), out ReadOnlyMemory <byte> tmpSubjectKeyIdentifier))
{
decoded.SubjectKeyIdentifier = tmpSubjectKeyIdentifier;
}
else
{
decoded.SubjectKeyIdentifier = reader.ReadOctetString(new Asn1Tag(TagClass.ContextSpecific, 0));
}
}
else
{
throw new CryptographicException();
}
}
internal static void Decode(ref AsnValueReader reader, ReadOnlyMemory <byte> rebind, out RecipientIdentifierAsn decoded)
{
decoded = default;
Asn1Tag tag = reader.PeekTag();
ReadOnlySpan <byte> rebindSpan = rebind.Span;
int offset;
ReadOnlySpan <byte> tmpSpan;
if (tag.HasSameClassAndValue(Asn1Tag.Sequence))
{
System.Security.Cryptography.Pkcs.Asn1.IssuerAndSerialNumberAsn tmpIssuerAndSerialNumber;
System.Security.Cryptography.Pkcs.Asn1.IssuerAndSerialNumberAsn.Decode(ref reader, rebind, out tmpIssuerAndSerialNumber);
decoded.IssuerAndSerialNumber = tmpIssuerAndSerialNumber;
}
else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 0)))
{
if (reader.TryReadPrimitiveOctetStringBytes(new Asn1Tag(TagClass.ContextSpecific, 0), out tmpSpan))
{
decoded.SubjectKeyIdentifier = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
}
else
{
decoded.SubjectKeyIdentifier = reader.ReadOctetString(new Asn1Tag(TagClass.ContextSpecific, 0));
}
}
else
{
throw new CryptographicException();
}
}
internal static void Decode(ref AsnValueReader reader, ReadOnlyMemory <byte> rebind, out RecipientIdentifierAsn decoded)
{
try
{
DecodeCore(ref reader, rebind, out decoded);
}
catch (AsnContentException e)
{
throw new CryptographicException(SR.Cryptography_Der_Invalid_Encoding, e);
}
}