You plan to create a blob container named container1 in storage1 and want to use customer-managed key encryption for that container. Which key type and size should you use?
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Correct answer: an RSA key type with a key size of 2048, 3072, or 4096 only.
Why this is the answer
Azure Storage customer-managed keys for encryption require RSA key types. Specifically, RSA keys with sizes of 2048, 3072, or 4096 bits are supported. Elliptic Curve (EC) keys, regardless of their curve (P-384 or P-521), are not supported for this purpose. Therefore, an RSA key with one of the specified sizes is the correct choice for customer-managed key encryption in Azure Storage.
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