Basic S3 URL Signer, which creates a signed S3 URL based on a bucket, object ID, expiry date, and credentials. The implementation is fully Javascript, so no details are sent to any server.
Available for use here: https://vzx.github.io/s3-signer/
Uses the following Javascript libraries:
- jsSHA: http://caligatio.github.com/jsSHA/
- jQuery: https://jquery.com/
- jQuery DateTimePicker plugin: http://xdsoft.net/jqplugins/datetimepicker/