Recovering a Car App's `sd` Signature: White-Box AES and DFA Key Recovery
Recovering a car app's sd signature, reversing the signing algorithm behind the vehicle-control API to craft valid signed requests, and the code traced down to the core.
Tag: key-recovery
Locating the SM4 Encryption Key (iOS ARM64)
Locating the SM4 encryption key in an iOS ARM64 binary, tracing the key schedule and cipher calls through the disassembly to recover the secret material.