private byte[] BuildSecretAppend(JwtElement apuS, JwtElement apvS)
{
var apu = apuS.IsEmpty ? default : apuS.GetRawValue();
var apv = apvS.IsEmpty ? default : apvS.GetRawValue();
int apuLength = Base64Url.GetArraySizeRequiredToDecode(apu.Length);
int apvLength = Base64Url.GetArraySizeRequiredToDecode(apv.Length);
int algorithmLength = sizeof(int) + _algorithmNameLength;
int partyUInfoLength = sizeof(int) + apuLength;
int partyVInfoLength = sizeof(int) + apvLength;
const int suppPubInfoLength = sizeof(int);
int secretAppendLength = algorithmLength + partyUInfoLength + partyVInfoLength + suppPubInfoLength;
var secretAppend = new byte[secretAppendLength];
var secretAppendSpan = secretAppend.AsSpan(0, secretAppendLength);
WriteAlgorithmId(secretAppendSpan);
secretAppendSpan = secretAppendSpan.Slice(algorithmLength);
WritePartyInfo(apu.Span, apuLength, secretAppendSpan);
secretAppendSpan = secretAppendSpan.Slice(partyUInfoLength);
WritePartyInfo(apv.Span, apvLength, secretAppendSpan);
secretAppendSpan = secretAppendSpan.Slice(partyVInfoLength);
BinaryPrimitives.WriteInt32BigEndian(secretAppendSpan, _keySizeInBytes << 3);
return(secretAppend);
}
internal ObjectEnumerator(JwtElement target)
{
_curIdx = -1;
var value = target.GetRawValue();
int count = target.GetMemberCount();
if (!TryParse(value, target.GetMemberCount(), out _document !))
{
ThrowHelper.ThrowFormatException_MalformedJson();
}
Debug.Assert(target.TokenType == JsonTokenType.StartObject);
_endIdxOrVersion = count * JsonRow.Size * 2;
}
