Series Intro: Decrypting Apple Pay Payment Blob Using .NET Step 2 on Apple’s guide for decrypting the payment blob is probably the easiest. Basically we need to retrieve the “payment processing” certificate that we will use to perform the decryption. Apple’s Configuring Your Environment page covers two types of certificates: “payment processing” & “merchant identity.” […]
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 […]
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, […]
Part of the series: Fun with System.Text.Json .NET Core 3 released on 9/23/2019 and contains a brand new, lighting-fast, serialization engine in the System.Text.Json namespace. I started playing with the engine in Preview 9 and almost immediately noticed there’s some feature gaps with Json.NET (and even some bugs). One of these feature gaps is that […]