Authenticating to Google Cloud from an AWS Lambda functionUsing workload identity federation, we can let an AWS-hosted application authenticate to Google Cloud using its AWS credentials. That also works for Lambda functions. Continue »
Using a Google Cloud service account and AssumeRoleWithWebIdentity to authenticate to AWS in C#In the last post we looked at how to set up a trust policy and role in AWS so that we can use a Google ID token to authenticate to AWS. But how do we actually use this in C#? Continue »
Authenticating to AWS by using a Google Cloud service account and AssumeRoleWithWebIdentityBy using workload identity federation, we can let applications use AWS credentials to authenticate to Google Cloud. That’s useful if we have an application that runs on AWS and needs access to Google APIs. But what if we are in the opposite situation, where we have an application on Google Cloud that needs access to AWS? Continue »
Authenticating to Google Cloud by using an AWS EC2 instance profile and workload identity federationWhen an application running on AWS needs access to Google APIs, we can use workload identity federation to let the application use its AWS credentials to authenticate to Google APIs. Unfortunately, the C# client library doesn’t support that yet, but we can fill that gap. Continue »
Creating AWS request signaturesInstead of using OAuth and access tokens, AWS uses request signatures to authenticate API requests. Typically, we can let libraries do the request signing for us – but sometimes we have to do it ourselves. Continue »