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Merged
0xnirapod merged 1 commit into from
Jun 12, 2026
Merged

docs(repo): showcase video and docs badge #69

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3 changes: 3 additions & 0 deletions .gitignore
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Expand Up @@ -28,3 +28,6 @@ dist/notarization/
*.local
*.log
dist/

# Quarkdown build output
quarkdown-output/
5 changes: 5 additions & 0 deletions README.md
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Expand Up @@ -11,6 +11,7 @@
<img alt="C" src="https://img.shields.io/badge/C-A8B9CC?style=flat-square&logo=c&logoColor=white">
<img alt="Platform: iOS Simulator and macOS" src="https://img.shields.io/badge/Platform-iOS_Simulator_%C2%B7_macOS-lightgrey?style=flat-square&logo=apple&logoColor=white">
<a href="https://github.com/nirapod-labs/simenclave/releases"><img alt="Latest release" src="https://img.shields.io/github/v/release/nirapod-labs/simenclave?style=flat-square&label=release&color=2563eb"></a>
<a href="https://nirapod-labs.github.io/simenclave/"><img alt="Documentation" src="https://img.shields.io/badge/docs-architecture-2563eb?style=flat-square"></a>
</p>

# SimEnclave
Expand All @@ -19,6 +20,10 @@ SimEnclave gives the iOS Simulator a real Secure Enclave. It injects a small int

It exists because the iOS Simulator has no Secure Enclave. That means the one thing hardware-backed signing depends on, a key that never leaves the chip, can't run where you develop all day. So every change to a signing path forces you onto a physical device. SimEnclave fixes that without weakening the security property and without ever becoming something that could ship.

<p align="center">
<video src="https://github.com/nirapod-labs/simenclave/raw/main/assets/github/showcase.mp4" width="830" controls></video>
</p>

## How it works

Your Mac has a real Secure Enclave. A menubar helper owns a P-256 key inside it. When a simulated app calls `SecKeyCreateSignature`, an injected interposer, loaded only through a debug scheme environment variable, sends the digest to the helper over an authenticated loopback socket. The helper signs in the Mac's SEP and the signature comes back. The private key never leaves the chip. The only things that cross the wire are a handle, a public key, a digest, and a signature, which is exactly what an app on a real device already handles.
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