Originally published at: http://www.howtogeek.com/191024/how-can-you-tell-if-two-dvds-are-exactly-the-same-or-not/
Whether it is just a matter of curiosity or a genuine need to know, how do you tell if two DVDs are exactly the same or not? Today’s SuperUser Q&A looks at some different ways to find out.
Should be noted that MD5 is risky to be trusted for pretty much anything, but not as much as the CRC used by TeraCopy, for instance; for example, using MD5 on passwords is seriously frowned on practise. Myself, I'm always using, in this order:
- SHA128 [very final option]
but never MD5 if I can avoid it.
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