/// <summary>
/// 从nbt数据中获取salt
/// </summary>
/// <param name="data"></param>
/// <param name="is112">是否是1.12版本, 如果是, 那么只需要处理一位数字</param>
/// <returns></returns>
public static string GetSaltFromNBTByteArray(byte[] data, bool is112)
{
MemoryStream ms = new MemoryStream(removeLength(data, is112));
TagCompound tag = NBTFile.FromStream(ms);
byte[] saltarr = tag.GetByteArray("salt");
string salt = System.Text.Encoding.UTF8.GetString(saltarr);
if (saltarr.Length > 100)
{
salt = ASACUtil.RSADecodeSalt(saltarr);
}
return(salt);
}
/// <summary>
/// 从nbt数据中心获取md5字符串列表
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static List <string> GetMd5ListFromNBTByteArray(byte[] data, bool is112)
{
List <string> md5s = new List <string>();
MemoryStream ms = new MemoryStream(removeLength(data, is112));
TagCompound tag = NBTFile.FromStream(ms);
TagList taglist = (TagList)tag["md5s"];
foreach (TagByteArray br in taglist)
{
byte[] bytes = br.Value;
if (bytes.Length > 100)
{
string md5 = ASACUtil.RSADecodeMD5(bytes);
md5s.Add(md5);
}
else
{
md5s.Add(Encoding.UTF8.GetString(bytes));
}
}
return(md5s);
}
/// <summary>
/// 获取nbt数据从md5和salt
/// </summary>
public static byte[] GetMd5NBTByteArray(bool isUseRSA, List <string> md5s, string salt, bool is112)
{
TagCompound tagCompound = new TagCompound();
TagList tagList = new TagList();
foreach (string md5 in md5s)
{
string newMd5 = EncryptionUtil.MD5(md5 + salt);
byte[] md5bytes = Encoding.UTF8.GetBytes(newMd5);
if (isUseRSA)
{
md5bytes = ASACUtil.RSAEncodeMD5(md5bytes);
}
TagByteArray byteArray = new TagByteArray(md5bytes);
tagList.Add(byteArray);
}
tagCompound.Add("md5s", tagList);
MemoryStream tagCompoundMS = new MemoryStream();
NBTFile.ToStream(tagCompoundMS, tagCompound, !is112);
byte[] tagCompoundByteArray = tagCompoundMS.ToArray();
return(tagCompoundByteArray);
}
