How do I check the MD5 value of a disc and how do I check the MD5 value of a disc system?

After making the ISO you can check the MD5 and then. Google to see if there is this MD5 value on the Internet.

Message Digest Algorithm MD5 (Chinese name Message Digest Algorithm 5th Edition) is a hash function widely used in the field of computer security to provide integrity protection of messages. The file number for this algorithm is RFC 1321 (, MIT Laboratory for Computer Science and RSA Data Security Inc april 1992）。

MD5 stands for Message-Digest Algorithm 5, which is used to ensure that information transmission is complete and consistent. It is one of the hash algorithms widely used by computers (also translated as summary algorithm and hash algorithm), and the mainstream programming language has been generally implemented in MD5. The calculation of data (such as Chinese characters) into another fixed-length value is the basic principle of the hash algorithm, and the predecessors of MD5 are MD2, MD3, and MD4.

The MD5 algorithm has the following characteristics:

1. Compressibility: For data of any length, the calculated MD5 value length is fixed.

2. Easy to calculate: It is easy to calculate the MD5 value from the original data.

3. Modification resistance: Any change to the original data, even if only 1 byte is modified, the md5 value obtained is very different.

4. Strong anti-collision: knowing the original data and its MD5 value, it is very difficult to find a data with the same MD5 value (i.e., falsified data).

To create ISO images, you can use the compact UltraISO (floppy disk), which can graphically create image files from optical discs. If the probability of losing Chinese parts during the copying process is very small, theoretically the md5 value will not change (that is, it is the same as the CD of Sui Jingyou). Another:

After making the ISO you can check the MD5 and then. Google to see if there is this MD5 value on the Internet (generally the mainstream forums on the Internet have released MD5), in contrast, there is no same may be modified.

For some formats are. The installation file of the exe is directly dragged into the MD5 window"File name"The dialog box is blind and the pin can be.

For image files (such as or vrmpvol, is it possible to add this image file name in the "File Name" dialog box to compare with the MD5 value provided on the Internet?

If you use your burning software, you can make an ISO file. You're talking about this MD5 and it's on disc. I haven't heard of this thing. No, you said that I studied this major. You'll be clear.

I mean, how to check after burning into a disc... I have a CD of md5 verification software that can't be dragged [:15:].

Locate the fileThis is the core document.

Open Terminal (Applications - Utilities).

Enter the md5 space, then drag and hold into the terminal window.

Then press enter, resulting in MD5 validation.

Note that you need to wait for a while after entering.

Recorder and disc quality problems are generally rare.

I also use nero 7, which is generally inspected, not necessarily by software, and can be done manually:

After burning, put the burned disc back and see if you can open it to see what's inside?

I've tried, if the burning error is made, double-click on the driver, and it will pop up :g: error.

That is to say, the disc cannot be opened.

PS: No matter how bad the quality of the discs of today's recorders is, there will be no serious consequences.

The disc is bad, because of the number of times it is used (life), the good service life is longer, and the service life is shorter. That's all.

Since the landlord must want to verify: you can use this:

In the tool, there are operations such as making an image, verifying an image, etc. I usually use it when I burn images, because sometimes nero will crack down on piracy and cause image production failures, while floppy disks won't.

At the time of the carving, the evil took the choice of Nero's [ISO mirror], and it was absolutely the same.

Supplement] There's no better way.,I'm just carving the ISO mirror directly.,There's no problem yet.,If you're worried.,You can only try it after carving it.,......

Install a virtual machine vmware and you can test:

It is equivalent to installing a system in your system, and you can test the ISO file, go to the deep technical forum to take a look!

It is recommended that you select disc verification when burning. In the last step of the written data, the software automatically performs the check.

If there is a mirror on the disk, open it with an image.

And it's not easy, but if you have this CD on your computer, I have this display on my computer.

It's not slow, it's about the same time as you burn it.