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authorAmaury Pouly <amaury.pouly@gmail.com>2013-02-16 20:47:07 +0100
committerAmaury Pouly <amaury.pouly@gmail.com>2013-02-16 20:49:07 +0100
commitb05b762ed45c6c8967fce098c598ec1a6ed7a533 (patch)
treeca704d48a3ac5acd8097d8485208f2f328766650 /rbutil/mkimxboot
parent4db4985f21bd8f36533f8e71db916e6d3d5d2249 (diff)
downloadrockbox-b05b762ed45c6c8967fce098c598ec1a6ed7a533.tar.gz
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sbtools: add brute force option for sb1 in sbtoelf
After some reverse engineering, it appears that the keys of the sb1 format are very weak: the 128 bytes are generated from the laserfuse words 4,5 and 6 but in a weird manner: 4 and 5 are simply ORed and 6 is only half used (somehow), making it "only" a 48 bit word to find. Change-Id: I40702e19d0924ef51c01894efce3cb65bd664456
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