Amazon provides simple web service to solve various purpose such as to
store data
in the form of files and folders on
Amazon S3
and to upload Structured data to
Amazon SimpleDB
. It provides a SimpleDB service to
upload structured data
and
run query
on that data, it facilitates you with storage service of structured data in form of
domains
. Currently, almost every user who is surfing Internet must have an account on any web server. Every web server provides a user name and a password to access the account. Using this id, you can store and retrieve your private data on that server.
Similarly, whenever you want to take advantage of accessing the facility of amazon SimpleDB service, you must have an account on Amazon. After
creating an account on amazon
, you will be able to do any operation on SimpleDB such as
create domain
,
run queries
, and
put attributes
.
To perform such operations on SimpleDB, Amazon provides an access key and a secret key, instead of using a username and a password.
AWS Access Key
This key is just like a username. It is a text string that specifically identifies you to access your own account. But this key alone is insecure. To make the operations secure Amazon provides another key known as AWS Secret key.
AWS Secret Key
This key is just like a password. Before doing any operation a user has to provide these two keys as authentication keys. Technically, Amazon takes a “signature” as header information for authentication. This “signature” is nothing but just an encrypted key which is a combination of access key and secret key.
It may be possible that user, who has an S3/ SimpleDB account, can have one access key and more than one secret key so that his account may be accessed by other users, to whom the owner wants to give access permissions.
While connecting to Amazon SimpleDB using SDB Explorer, you have to provide these two keys. After providing these two authentication keys, click on go button, it will check the authentication whether the keys are valid or not and give appropriate message.
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