加密解密.txt

该压缩包里主要写了几个关于如何将文本数据加密解密序列化的实现

 if(FC_TAG != tag)
      throw new CryptoHelpException("文件被破坏");
     
     long numReads = lSize / BUFFER_SIZE;

     long slack = (long)lSize % BUFFER_SIZE;
     
     for(int i = 0; i < numReads; ++i)
     {
      read = cin.Read(bytes,0,bytes.Length);
      fout.Write(bytes,0,read);
      chash.Write(bytes,0,read);
      value += read;
      outValue += read;
     }

     if(slack > 0)
     {
      read = cin.Read(bytes,0,(int)slack);

      fout.Write(bytes,0,read);
      chash.Write(bytes,0,read);
      value += read;
      outValue += read;
     }

     chash.Flush();
     chash.Close();

     fout.Flush();
     fout.Close();

     byte[] curHash = hasher.Hash;

     // 获取比较和旧的散列对象
     byte[] oldHash = new byte[hasher.HashSize / 8];
     read = cin.Read(oldHash,0,oldHash.Length);
     if((oldHash.Length != read) (!CheckByteArrays(oldHash,curHash)))
      throw new CryptoHelpException("文件被破坏");
    }