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We only brushed over how hashes work in college, so I may be totally ignorant, but-- wouldn't rearranging the order of the data (rotate, flip, etc) necessarily
by viewer5 12y ago
We only brushed over how hashes work in college, so I may be totally ignorant, but-- wouldn't rearranging the order of the data (rotate, flip, etc) necessarily change the resulting hash?
- icebraining 12y agoThey don't use those hashes, they use content fingerprinting: http://en.m.wikipedia.org/wiki/Digital_video_fingerprinting http://en.m.wikipedia.org/wiki/Digital_video_fingerprinting