r2-pay: whitebox (part 2)

This second blog post explains how to recover the whitebox's key from the obfuscated library libnative-lib.so

r2-pay: anti-debug, anti-root & anti-frida (part 1)

This first blog post describes the protections in the challenge r2-pay.

HITB 2015 Write-up - Crypto 300

Write up

HITB 2015 Write-up - Crypto 400

Write up