internal static void Decode(AsnReader reader, out MacData decoded)
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
Decode(reader, Asn1Tag.Sequence, out decoded);
}
static MacData()
{
MacData decoded = default;
AsnReader reader;
reader = new AsnReader(s_defaultIterationCount, AsnEncodingRules.DER);
if (!reader.TryReadInt32(out decoded.IterationCount))
{
reader.ThrowIfNotEmpty();
}
reader.ThrowIfNotEmpty();
}
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();
}