internal static void Decode(ref AsnValueReader reader, ReadOnlyMemory <byte> rebind, out KeyAgreeRecipientIdentifierAsn decoded) { decoded = default; Asn1Tag tag = reader.PeekTag(); if (tag.HasSameClassAndValue(Asn1Tag.Sequence)) { IssuerAndSerialNumberAsn tmpIssuerAndSerialNumber; IssuerAndSerialNumberAsn.Decode(ref reader, rebind, out tmpIssuerAndSerialNumber); decoded.IssuerAndSerialNumber = tmpIssuerAndSerialNumber; } else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 0))) { RecipientKeyIdentifier tmpRKeyId; RecipientKeyIdentifier.Decode(ref reader, new Asn1Tag(TagClass.ContextSpecific, 0), rebind, out tmpRKeyId); decoded.RKeyId = tmpRKeyId; } else { throw new CryptographicException(); } }
internal static void Decode(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out RecipientKeyIdentifier decoded) { decoded = default; AsnValueReader sequenceReader = reader.ReadSequence(expectedTag); ReadOnlySpan <byte> rebindSpan = rebind.Span; int offset; ReadOnlySpan <byte> tmpSpan; if (sequenceReader.TryReadPrimitiveOctetStringBytes(out tmpSpan)) { decoded.SubjectKeyIdentifier = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray(); } else { decoded.SubjectKeyIdentifier = sequenceReader.ReadOctetString(); } if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.GeneralizedTime)) { decoded.Date = sequenceReader.ReadGeneralizedTime(); } if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.Sequence)) { OtherKeyAttributeAsn tmpOther; OtherKeyAttributeAsn.Decode(ref sequenceReader, rebind, out tmpOther); decoded.Other = tmpOther; } sequenceReader.ThrowIfNotEmpty(); }
internal static void Decode(ref AsnValueReader reader, ReadOnlyMemory <byte> rebind, out RecipientKeyIdentifier decoded) { Decode(ref reader, Asn1Tag.Sequence, rebind, out decoded); }