What's the best method for passing AWS credentials as user data to an EC2 instance?

Question

I have a job processing architecture based on AWS that requires EC2 instances query S3 and SQS. In order for running instances to have access to the API the credentials are sen

Answer 1

I wrote an article examining various methods of passing secrets to an EC2 instance securely and the pros & cons of each.

http://www.shlomoswidler.com/2009/08/how-to-keep-your-aws-credentials-on-ec2.html