Implementing Azure: Putting Modern DevOps to Use
by Florian Klaffenbach, Oliver Michalski, Markus Klein, Mohamed Wali
Access keys
In Azure, storage Access keys are used to authenticate applications that use external or internal interfaces to interact with Azure Storage. Example interactions are a RESTful API call or a simple net use of an SMB share.
When a storage account is created, Azure generates two 512-bit access keys. These keys are very important to the security of the storage account, and for this reason they must be kept safe all the time. An SAS is also created based on the storage accounts access keys. That means that when the access key that a specific SAS is based on is regenerated, the SAS is invalid and has to be regenerated. The reason that there are two access keys in each storage account is mainly high availability. As it's recommended ...
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