AWS Security Blog

Tag: CRL

How to implement client certificate revocation list checks at scale with API Gateway

As you design your Amazon API Gateway applications to rely on mutual certificate authentication (mTLS), you need to consider how your application will verify the revocation status of a client certificate. In your design, you should account for the performance and availability of your verification mechanism to make sure that your application endpoints perform reliably. […]

Choosing the right certificate revocation method in ACM Private CA

AWS Certificate Manager Private Certificate Authority (ACM PCA) is a highly available, fully managed private certificate authority (CA) service that allows you to create CA hierarchies and issue X.509 certificates from the CAs you create in ACM PCA. You can then use these certificates for scenarios such as encrypting TLS communication channels, cryptographically signing code, […]

How to securely create and store your CRL for ACM Private CA

December 4, 2023:We’ve updated the new Amazon CloudFront security feature Origin Access Control in place of the Origin Access Identity. December 14, 2021:The code in step #8 under Deploying the CRL solution has been updated to reflect new features preventing the confused deputy problem in AWS bucket policies. In this blog post, I show you […]