Third-party library encryption with Mastercard and Postman
Blog post from Postman
Tarric Sookdeo, a senior content strategy analyst at Mastercard, discusses the importance of encrypting sensitive data in API requests, even when using mTLS authentication, to ensure data protection throughout its journey to a customer's backend. Mastercard offers encryption-helper libraries in various programming languages, such as Java, Python, and Node, to facilitate this process. The post outlines how to integrate these libraries into the Postman API Platform by sideloading them, configuring pre-request scripts, and using the libraries to encrypt and decrypt payloads. It includes practical steps for setting up the Mastercard Consent Management API in Postman, emphasizing the creation of a project in Mastercard Developers to obtain necessary keys and leverage OAuth. The post also provides a video tutorial to guide users through the process of setting up and using the encryption tools, highlighting the importance of building a config object within Postman's pre-request script environment and utilizing the mcencrypt global variable for encryption tasks.
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