// 未加密的文件0x42开始至0x61之前的每间隔一字节的数值
byte[] baseByte = { 0xbe, 0xec, 0x65, 0x9c,...0xfe, 0x28, 0x2b, 0x8a, 0x6c, 0x7b, 0xcd, 0xdf, 0x4f, 0x13, 0xf7, 0xb1, };
byte flagByte...= 0x0c; // 标志 0x62 处的数值
string password = "";
try
{..., 0为Access97
fs.Seek(0x42, SeekOrigin.Begin);
byte[] bs = new byte[33...b = (byte)(baseByte[i] ^ bs[i * 2]);
if (i % 2 == 0 && ver == 1) b ^= flag; //Access