Requestor Access Key (your public access key - required) : (Find yours here)
Signature (specific to this one message - required): (How do I get this?)
1. Click here
and open AmzS3SigTester.htm for the free digital signature tester from AmazonWebServices.com.
2. Inside the digital signature tester, copy & paste the Signature Hex Code (below) into the field labeled "Hex Encoded String."
3. Inside the digital signature tester, copy & paste your AWS Secret Access Key (find yours here)
into the field labeled "AWS Secret Access Key."
IMPORTANT: Never send your AWS Secret Access Key across the internet.
4. Click the button "Get Signature."
5. Within the field "Signature" (above), copy & paste the signature generated by the digital signature tester (labeled "Signature - using secret key").