+(read\-write) This property gives the Amazon S3 secret key used to access the service\&.
+.RE
+.PP
+S3_SERVER_SIDE_ENCRYPTION
+.RS 4
+
+(read\-write) Set to the server side encryption algorithm to use\&.
+There is actually only one algorithm, it is "AES256"\&. The encryption is done
+by Amazon on their server\&. See
+: http://docs.amazonwebservices.com/AmazonS3/latest/API/index.html?RESTObjectPUT.html
+for the most up\-to\-date list\&.
+.RE
+.PP
+S3_SERVICE_PATH
+.RS 4
+
+(read\-write) A path to add at the beginning of the URL\&.
+.RE
+.PP
+S3_STORAGE_CLASS
+.RS 4
+
+(read\-write) Storage class for new objects, currently one of "STANDARD" (the default)
+or "REDUCED_REDUNDANCY" (cheaper, but less redundant)\&. See
+: http://docs.amazonwebservices.com/AmazonS3/latest/dev/index.html?DataDurability.html
+for the most up\-to\-date list\&.