Auto Rotate key pairs

[pmadhavan]

We are using singed cookies to access a cloud front distribution and wondering if there are any example implementation out there for rotating the key pairs programmatically. Here is a AWS doc mentioning the manual rotation https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/private-content-trusted-signers.html#private-content-rotating-key-pairs