Exemplo n.º 1
0
        internal static void Decode(AsnReader reader, out MacData decoded)
        {
            if (reader == null)
            {
                throw new ArgumentNullException(nameof(reader));
            }

            Decode(reader, Asn1Tag.Sequence, out decoded);
        }
Exemplo n.º 2
0
        static MacData()
        {
            MacData   decoded = default;
            AsnReader reader;

            reader = new AsnReader(s_defaultIterationCount, AsnEncodingRules.DER);

            if (!reader.TryReadInt32(out decoded.IterationCount))
            {
                reader.ThrowIfNotEmpty();
            }

            reader.ThrowIfNotEmpty();
        }
Exemplo n.º 3
0
        internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out MacData decoded)
        {
            if (reader == null)
            {
                throw new ArgumentNullException(nameof(reader));
            }

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

            System.Security.Cryptography.Pkcs.Asn1.DigestInfoAsn.Decode(sequenceReader, out decoded.Mac);

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


            if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.Integer))
            {
                if (!sequenceReader.TryReadInt32(out decoded.IterationCount))
                {
                    sequenceReader.ThrowIfNotEmpty();
                }
            }
            else
            {
                defaultReader = new AsnReader(s_defaultIterationCount, AsnEncodingRules.DER);

                if (!defaultReader.TryReadInt32(out decoded.IterationCount))
                {
                    defaultReader.ThrowIfNotEmpty();
                }
            }


            sequenceReader.ThrowIfNotEmpty();
        }