October 12, 2019 – Blanch on Code

Decrypting Apple Pay Payment Blob Using .NET – Part 1: Verify the signature

Series Intro: Decrypting Apple Pay Payment Blob Using .NET Step 1 on Apple’s guide for decrypting the payment blob is signature verification, which is done basically to make sure the message actually came from Apple and was not tampered with en route to us. That validates the integrity and authenticity of the message which checks […]

Decrypting Apple Pay Payment Blob Using .NET

If you are here you are likely either a developer working on a payment gateway, or you are a cryptography nut. In either case, welcome! I would be in the former category. Recently at work I found myself tasked with decrypting the Apple Pay blob you get from the Apple Pay on the Web flow, […]