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Basic support for minecraft 1.19 (#2084)

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* merge commit from milutinke
* chat signature & encrypted login
* Bug fix :EncryptionResponse format error below 1.18.2
* Implemented chat command signature
* Chat message parsing and verification for 1.19
* Add signature settings
* Update Simplified Chinese Translation
* Clear up comments
* Fix wrong variable naming
* Bug fix: SignatureV2 Processing
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BruceChen 2022-08-15 23:55:44 +08:00 • committed by GitHub
parent d9f1a77ac2
commit a8bbb1ac76
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55 changed files with 5218 additions and 1174 deletions
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54
MinecraftClient/Protocol/ProfileKey/PublicKey.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;
namespace MinecraftClient.Protocol.Keys
{
public class PublicKey
{
public byte[] Key { get; set; }
public byte[] Signature { get; set; }
public byte[]? SignatureV2 { get; set; }
private readonly RSA rsa;
public PublicKey(string pemKey, string sig, string? sigV2 = null)
{
this.Key = KeyUtils.DecodePemKey(pemKey, "-----BEGIN RSA PUBLIC KEY-----", "-----END RSA PUBLIC KEY-----");
this.rsa = RSA.Create();
rsa.ImportSubjectPublicKeyInfo(this.Key, out _);
this.Signature = Convert.FromBase64String(sig);
if (!string.IsNullOrEmpty(sigV2))
this.SignatureV2 = Convert.FromBase64String(sigV2!);
}
public PublicKey(byte[] key, byte[] signature)
{
this.Key = key;
this.rsa = RSA.Create();
rsa.ImportSubjectPublicKeyInfo(this.Key, out _);
this.Signature = signature;
}
public bool VerifyData(byte[] data, byte[] signature)
{
return rsa.VerifyData(data, signature, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
}
public bool VerifyMessage(string message, string uuid, DateTimeOffset timestamp, ref byte[] salt, ref byte[] signature)
{
byte[] data = KeyUtils.GetSignatureData(message, uuid, timestamp, ref salt);
return VerifyData(data, signature);
}
}
}