05.03.2013 Views

Challenges of SSD Forensic Analysis - Digital Assembly

Challenges of SSD Forensic Analysis - Digital Assembly

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LBA PBA<br />

0x00000000 0x00000000<br />

0x00000001 0x00000001<br />

0x00000002 0x20000002<br />

0x00000003 0x00000003<br />

0x00000004 0x20000004<br />

… …<br />

0x0FFFFFFD 0x2FFFFFFD<br />

0x0FFFFFFE 0x3FF000FE<br />

0x0FFFFFFF 0x4FF000FF<br />

Host<br />

Use Logical Block Addressing (LBA)<br />

Controller<br />

Has Look Up Table<br />

Translates between LBA and PBA<br />

NAND Flash<br />

Uses Physical Block Addressing (PBA)

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