_signature="PUT\n\n${content_type}\n${date}\n${resource}"
signature=`echo -en ${_signature} | openssl sha1 -hmac ${s3_s} -binary | base64`
-curl -v -X PUT -T "${file}" \
+curl -v -k -X PUT -T "${file}" \
-H "Host: $host" \
-H "Date: ${date}" \
-H "Content-Type: ${content_type}" \