How to encrypt your computer’s hard disk data and files for free如何加密您的计算机的硬盘数据和档案免费
Posted on August 17, 2007 at 4:26 pm张贴于2007年8月17日，在下午4时26分
Securing computer data through encryption software has become a clear necessity for many businesses and individuals carrying sensitive information on their laptops or USB flash drives.确保计算机数据加密软件，已成为一个清晰的必要性，为许多企业和个人进行敏感的资料，说明其笔记本电脑或usb闪盘。 Unfortunately, many people do not encrypt their data because it is not easy to implement in Windows and the learning curve is too high.不幸的是，很多人不加密的数据，因为它是执行上并不容易，在窗户和学习曲线实在太高。 However, thanks to open source initiatives, you can use a completely free program called不过，由于开放源码的举措，你可以使用完全免费的程序，称为 TrueCrypt truecrypt to encrypt an entire hard drive, a USB flash drive, or even create a virtual encrypted disk in a file that acts as a real disk.加密整个硬盘，一个usb闪存驱动器，或什至创造一个虚拟的加密磁盘，在一个文件说，作为一个真正的磁盘。
The cool thing about TrueCrypt is that you can create a virtual disk on your computer that will look and feel just like a normal disk on your computer.乘凉的一件事truecrypt是，你可以创建一个虚拟磁盘上你的电脑，将外观和感觉就像一个正常的磁盘上你的电脑。 The “drive” will actually be a file stored on your computer, but it is completely encrypted and secure, so that when you turn off your computer, the data CANNOT be recovered unless you know the correct password. "驱动器"其实是一个文件存储在您的计算机上，但它是完全加密和保护，所以，当你关掉你的电脑，数据不能收回的，除非你知道正确的密码。 Of course, this means that if you forget your password, your data will be lost forever, so be very careful not to lose the password!当然，这意味着，如果你忘了密码，你的数据将永远丧失，所以要很小心，不要输密码！
Just like any other drive, you can install programs on the drive, play videos and songs directly from the drive, etc. Basically, when you access any file on a TrueCrypt drive, it is unencrypted and loaded into RAM.就像任何其他驱动器，你可以安装程序，对硬盘，玩视频和歌曲直接从驱动器等，基本上，当您进入任何文件就truecrypt径，它是加密的，并装入内存。 Data is never written to the hard disk.数据是永远不会写入硬盘。 The reason for this is because if the power were to suddenly go out and your computer turned off, the data in memory would be lost, but the data on the hard drive would still be accessible.这一现象的原因是因为，如果权力的人突然走出去和你的电脑关机，数据存储器将会消失，但数据对硬盘仍然可以访问。
TrueCrypt even encrypts the file names and the folder names on the volume. truecrypt甚至加密，文件名称和文件夹名字，音量。 The nice thing about TrueCrypt is that you can also create one of these virtual volumes on a USB stick and run the program off the stick, so that you can carry your encrypted data around with you safely.尼斯的一件事truecrypt是，你也可以创造之一，这些虚拟卷上的usb坚持和运行程序小康硬性措施，使你能够将你的加密数据周围与你平安。 If you lose the stick, not a problem because it cannot be accessed unless the password is known!如果你失去了坚持，而不是一个大问题，因为它无法进入，除非密码是众所周知的！
TrueCrypt supports Windows Vista and Windows XP x64. truecrypt支持windows vista和windows xp的64位服务器。 It also runs on Linux and you can open a TrueCrypt volume on any of these platforms.它也可运行于linux ，你也可以打开一个truecrypt量对上述任何一个平台。
Once installed, click on Create Volume to get started.一旦安装后，点击创造货量准备开始工作。 Choose Create a Standard TruCrypt Volume .选择创建一个标准trucrypt量 。
Next choose a location for the file.未来选择一个地点作为档案。 Click Select File , browse to where you want the file stored and type in a name for the file.单击选择文件 ，浏览到你想储存的档案，并输入文件名。
Next choose the encryption that you want.明年选择加密您想要的。 The default option is the lowest encryption method, AES.默认的选项是最低的加密方法，原子发射光谱。 The last option in the drop-down is the highest encryption, but only choose that if you have LOTS of processing power and RAM.最后一个选项，在下拉，这是最高的加密，但只能选择，如果你有大量的处理能力和内存。 Remember, each time something is read from the virtual disk, it has to be decrypted and it will take more time to decrypt if the encryption is stronger.请记住，每一次的东西是从虚拟磁盘，它必须被解密，而且需要更多的时间来解密，如果加密更强。
Next choose the size for your virtual drive. 明年选择大小为你的虚拟硬盘。 Click Next and now type in a strong password. 单击下一步，现在键入强密码。 It is essential you type in a long and complex password so that it cannot be easily cracked. 它是必不可少的，你键入一个漫长而复杂的密码，以便使它不能轻易告破。 The program suggests it be a minimum of 20 characters, but that was definitely too long for me! 该计划表明，它是一个最起码的20个字，但肯定是太长了我！
On the next scree, you want to move your mouse inside the TrueCrypt screen really fast in order to generate a really random header and master key. 就下一步卵石，你想搬到你的鼠标内truecrypt屏幕真快，以产生一个真正的随机头和万能钥匙。 Choose the format of the drive and click Format . 选择格式的驱动器，并单击格式。
Finally, click Exit to get back to the main screen. 最后，点击退出回到主画面。 Choose a letter from the drive list and click Select File to pick the volume that you will be mounting. 选择一个信从驱动器列表中单击选择file摘量，你会的呼声日益高涨。
Now click the Mount button at the bottom to “connect” or mount the file to the selected drive letter. You’ll be asked to type in the password that you entered while creating the virtual volume.现在按一下按钮，安装在底部的"连接" ，或登上该文件到指定盘符，你将被要求输入密码，你进入的同时，创造虚拟卷。 Click OK and you should see the list updated:单击确定，你应该看到的最新名单：
Your new drive will now show up in Windows Explorer as a local disk.你的新驱动器现在将显示在窗口探险家作为一个本地磁盘。
Now you can use the drive normally.现在你可以使用驱动正常。 When you restart or turn off your computer, the drive is dismounted and the drive is inaccessible.当你重新启动或关掉你的电脑，驱动器是拆卸和干劲，是行不通的。 When Windows starts, you will have to re-mount the drive with the correct password.当windows打响后，你将不得不重新登上驾驶正确的密码。 This is a good way to kind of password protect a folder in Windows XP or Windows Vista.这是一个很好的方法种密码保护的文件夹，在windows xp或windows vista的。 You’ll only be asked for the password whenever the computer is started up.你只能要求密码时，电脑启动了。
Any questions, post a comment!任何问题，后一个评论！ Enjoy!享受！
Technorati Tags: technorati的标签： encryption software加密软件 , ， how to encrypt data and files如何加密数据和文件 , ， encryption tools加密工具 , ， free encryption tools免费加密工具 , ， encrypt hard disk加密硬盘 , ， encrypt folders加密文件夹 , ， data encryption数据加密 , ， secure data安全数据
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