public static string ToBase62(uint[] key)
{
if (key.Length != 4)
{
throw new Exception("Wrong Key Length");
}
byte[] buffer = new byte[16];
Buffer.BlockCopy(BitConverter.GetBytes(key[0]), 0, buffer, 0, 4);
Buffer.BlockCopy(BitConverter.GetBytes(key[1]), 0, buffer, 4, 4);
Buffer.BlockCopy(BitConverter.GetBytes(key[2]), 0, buffer, 8, 4);
Buffer.BlockCopy(BitConverter.GetBytes(key[3]), 0, buffer, 12, 4);
return(Base62.ToBase62(buffer));
}
public static uint[] ToKey(string base62)
{
byte[] keyBytes = Base62.FromBase62(base62);
if (keyBytes.Length < 16)
{
throw new Exception("Wrong Key Length");
}
uint[] key = new uint[4];
key[0] = BitConverter.ToUInt32(keyBytes, 0);
key[1] = BitConverter.ToUInt32(keyBytes, 4);
key[2] = BitConverter.ToUInt32(keyBytes, 8);
key[3] = BitConverter.ToUInt32(keyBytes, 12);
return(key);
}