flat_z has ported his “amazing” EID Root Key Dumper to dump the root key of your PS3 directly from GameOS on 4.50 (CEX).

It is not longer needed to downgrade to 3.55 to get your root key, which is useful to access the content of your PS3 HDD on the PC or convert your CEX to DEX, among other uses.

Howto

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* install package

* Unplug all USB devices

* run eEID_RKDumper from XMB

* It will show a black screen (no GUI) for 10-15 seconds, then 3 beeps and restart the console automatically

* FTP (other otherwise) retrieve your eid_root_key / PCK1 from /dev_hdd0/tmp/eid_root_key   or for 4.50 in /dev_hdd0/game/FLTZ00010/USRDIR

Download it from the Brewology Store.

News Source: PS3HAX