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Forensics acquisition - Analysis and circumvention of samsung secure boot enforced common criteria mode

Link: https://www.sciencedirect.com/science/article/pii/S1742287618300409
License: CC BY-NC-ND

Description:

While this paper directly applies to the Galaxy S6 (SM-G920F) and the Galaxy S7 Edge (SM-G935F) witch uses Exynos System On a Chip, some of its findings seem to be directly applicable to the devices supported by Replicant.

The most interesting part is the analysis of some of the bootloader environment variables:
  • It analyzes some variables that accessible through the UART. We already have documentation explained how to access such variables but many variables aren't documented in the Replicant documentation.
  • It also analyzed some variables present in the adv-env.img file inside the PARAM tarball filesystem. That information has already been used in the #2094 bug.

Security Analysis of Android Factory Resets

Link: https://www.cl.cam.ac.uk/~rja14/Papers/fr_most15.pdf
Related bug reports: #2096

Updated by Denis 'GNUtoo' Carikli 15 days ago · 5 revisions