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Joe T. Sylve, Ph.D.

Digital Forensic Researcher and Educator

Joe T. Sylve, Ph.D. – Blog

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EFI Jumpstart

APFS containers include an embedded EFI driver that allows UEFI firmware to boot from APFS partitions without requiring a built-in APFS driver. This post covers...

Read more : EFI Jumpstart
Series

APFS Internals

A 27-part deep dive into the Apple File System covering on-disk structures, B-Trees, encryption, and more.

View the series : APFS Internals

Posts (Page 1 of 4)

SpiceCrypt 3.0: QSPICE Support

SpiceCrypt 3.0.0 is out. When I introduced SpiceCrypt in March, it decrypted PSpice and LTspice model files so engineers could...

Security research

The Reaper

In our post on Containers, we introduced the Reaper as the subsystem responsible for garbage collection in APFS. The Reaper...

APFS Internals · Part 10

Space Manager

In our earlier post on Containers, we introduced the Space Manager as the subsystem responsible for tracking which blocks are...

APFS Internals · Part 9

Revisiting the APFS Series

Back in 2022 I started the APFS Advent Challenge: a daily run of posts dissecting the on-disk internals of Apple’s...

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