[haroldp]

> How about rips of blu-rays you own, which you solely use and do not intend to share? Is that pirating or using your legally owned product on a different medium?

This is protected fair use. But distributing software to decrypt DVD DRM is illegal.

[Tepix]

Not sure if DeCSS is still illegal but the OP was talking about blu-rays and they are ... "less hacked".