Serverless PDF Signing.NET on AWS Lambda | certificate generation
fully automate PDF digital signing using AWS Lambda, .NET, iText, and Amazon S3.
We start by creating a PFX certificate, then build a Lambda function that signs any PDF uploaded to S3, deploy it, and finally test the entire workflow end-to-end.
What You’ll Learn
✔ How to create a PFX certificate for digital signing
✔ How to write a .NET Lambda function that signs PDFs
✔ How to set up S3 event triggers for Lambda
✔ How to package & deploy a .NET application to AWS Lambda
✔ How to test PDF signing using an S3 bucket upload
✔ End-to-end automation of document signing in the cloud
📦 AWS Services Used
AWS Lambda (serverless compute for signing PDFs)
Amazon S3 (trigger + storage)
CloudWatch Logs (view Lambda output)
Source Code
https://github.com/jsaini050820/Simpl...
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