C# (CSharp) System.Security.Cryptography.Asn1 AsnReader.ReadIntegerBytes示例

示例#1

        internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out SpecifiedECDomain decoded)
        {
            if (reader == null)
            {
                throw new ArgumentNullException(nameof(reader));
            }

            decoded = default;
            AsnReader sequenceReader = reader.ReadSequence(expectedTag);


            if (!sequenceReader.TryReadUInt8(out decoded.Version))
            {
                sequenceReader.ThrowIfNotEmpty();
            }

            System.Security.Cryptography.Asn1.FieldID.Decode(sequenceReader, out decoded.FieldID);
            System.Security.Cryptography.Asn1.CurveAsn.Decode(sequenceReader, out decoded.Curve);

            if (sequenceReader.TryReadPrimitiveOctetStringBytes(out ReadOnlyMemory <byte> tmpBase))
            {
                decoded.Base = tmpBase;
            }
            else
            {
                decoded.Base = sequenceReader.ReadOctetString();
            }

            decoded.Order = sequenceReader.ReadIntegerBytes();

            if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.Integer))
            {
                decoded.Cofactor = sequenceReader.ReadIntegerBytes();
            }


            if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.ObjectIdentifier))
            {
                decoded.Hash = sequenceReader.ReadObjectIdentifier();
            }


            sequenceReader.ThrowIfNotEmpty();
        }