OpenSSL-compatible PKCS#7 Signing on Cloudflare Workers
How PassMaker moved Apple Wallet pass PKCS#7 signing from Firebase Functions to Cloudflare Workers using Web Crypto with OpenSSL-compatible output.
Swapnanil Dhol
iOS Engineer at DoorDash
3x WWDC Scholar, 2020 Google Summer of Code student. Passionate and always learning about aviation, space, finance, and software.
Recent Post
2024 - Year in Review
Taking a look back at 2024Layover in Hong Kong
In this article, I’ll to share some advice and tour ideas for your next layover in Hong Kong
Gumroad Products
App Tools
App Tools is an app that lets you download assets of any app available on the App Store. Be it long or short URLs, screenshots, or even release notes, this is the one app that lets you download, share, copy, and more with that metadata.
SwiftUI Paywall Screen
A gorgeous, fully ready to use SwiftUI paywall screen with full customisability. The project supports all of the major Apple Human Interface Guideline standards, and Apple accessibility features
Recent Videos
Build a Music identification app with ShazamKit and SwiftUI
In this video, we will learn how to build a music identification app using the brand new ShazamKit and SwiftUI frameworks.
Using UIMenus and UIActions in iOS 14!
iOS 14 brings a brand new UIMenu to the system that can be presented without having to present it via a context menu. In this video you'll learn how to use that.
Unwrapping Optionals in Swift
In this #SwiftLang tutorial we'll learn about the various techniques to unwrap optionals in Swift.