iOS & Swift
Notes on Swift, Secure Enclave, App Attest, Keychain, and the boundaries between iOS client claims and server decisions.
iosswiftapp attestkeychain
Explore topic Explore the notebook
Browse by engineering topic
Curated entry points to code, interactive explanations, technical articles and related projects. Each topic links to the material that exists; there are no empty keyword landing pages.
Android & Kotlin
Android engineering notes on Play Integrity request binding, Kotlin coroutines, Credential Manager and authentication recovery.
androidkotlinplay integritycoroutines
Explore topic Backend & APIs
Practical backend engineering references: idempotency, HTTP timeouts, authorization boundaries, observability and recovery.
backendapitimeoutretry
Explore topic Mobile Security
Threat models and teaching labs for App Attest, Play Integrity, token rotation, replay resistance and API authorization.
securityauthenticationreplaydevice trust
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