internal static void Decode(AsnReader reader, out EncapsulatedContentInfoAsn decoded) { if (reader == null) { throw new ArgumentNullException(nameof(reader)); } Decode(reader, Asn1Tag.Sequence, out decoded); }
internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out EncapsulatedContentInfoAsn decoded) { if (reader == null) { throw new ArgumentNullException(nameof(reader)); } decoded = default; AsnReader sequenceReader = reader.ReadSequence(expectedTag); AsnReader explicitReader; decoded.ContentType = sequenceReader.ReadObjectIdentifierAsString(); if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 0))) { explicitReader = sequenceReader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 0)); decoded.Content = explicitReader.ReadEncodedValue(); explicitReader.ThrowIfNotEmpty(); } sequenceReader.ThrowIfNotEmpty(); }
private static void DecodeCore(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out EncapsulatedContentInfoAsn decoded) { decoded = default; AsnValueReader sequenceReader = reader.ReadSequence(expectedTag); AsnValueReader explicitReader; ReadOnlySpan <byte> rebindSpan = rebind.Span; int offset; ReadOnlySpan <byte> tmpSpan; decoded.ContentType = sequenceReader.ReadObjectIdentifier(); if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 0))) { explicitReader = sequenceReader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 0)); tmpSpan = explicitReader.ReadEncodedValue(); decoded.Content = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray(); explicitReader.ThrowIfNotEmpty(); } sequenceReader.ThrowIfNotEmpty(); }
internal static void Decode(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out EncapsulatedContentInfoAsn decoded) { try { DecodeCore(ref reader, expectedTag, rebind, out decoded); } catch (AsnContentException e) { throw new CryptographicException(SR.Cryptography_Der_Invalid_Encoding, e); } }
internal static void Decode(ref AsnValueReader reader, ReadOnlyMemory <byte> rebind, out EncapsulatedContentInfoAsn decoded) { Decode(ref reader, Asn1Tag.Sequence, rebind, out decoded); }