get_color.sh

#!/bin/bash

STRING=$(echo -n "(request-target): get /signature-prototype-1.0-SNAPSHOT/api/colors/preferred
date: Tue, 07 Jun 2014 20:51:35 GMT" | base64)

SIGNATURE=$(echo -n "(request-target): get /signature-prototype-1.0-SNAPSHOT/api/colors/preferred
date: Tue, 07 Jun 2014 20:51:35 GMT" |  openssl dgst -sha256 -hmac "PennyLunaLuka" | base64)

echo $SIGNATURE

curl -v \
    -H "X-Signing-String: $STRING" \
    -H 'Authorization: Signature keyId="kids",algorithm="hmac-sha256",headers="(request-target) date",signature="g+GNqWOXhigFV9ujbZN50J54HDeNZa1L4Bom+HIozqE="' \
    -H 'Date: Tue, 07 Jun 2014 20:51:35 GMT' \
 http://ec2-54-165-89-69.compute-1.amazonaws.com:8080/signature-prototype-1.0-SNAPSHOT/api/colors/preferred

$ echo -n "(request-target): get /signature-prototype-1.0-SNAPSHOT/api/colors/preferred
date: Tue, 07 Jun 2014 20:51:35 GMT" | openssl dgst -binary -sha256 -hmac "PennyLunaLuka" | base64
g+GNqWOXhigFV9ujbZN50J54HDeNZa1L4Bom+HIozqE=