For what it's worth, a little Googling will give you a headache in short order. Laws are different all over the world. In some countries ripping a DVD to HDD is clearly legal as long as you own the original source disc. In other countries it is clearly illegal, whether you own the source disc or not.
Here in the United States, it is still unclear, per Wikipedia...
United States
U.S. copyright law (
Title 17 of the United States Code) generally says that making a copy of an original work, if conducted without the consent of the copyright owner, is infringement. The law makes no explicit grant or denial of a right to make a "personal use" copy of another's copyrighted content on one's own digital media and devices. For example,
space shifting, by making a copy of a personally-owned audio CD for transfer to an MP3 player for that person's personal use, is not explicitly allowed or forbidden.
All that interesting stuff aside, ....as regards the OP's original question, I personally don't know, since I've not used any Blu-Ray ripping software.