docs(key-manager): change schema

Author: nerda-codes

identity-and-access-management/key-manager/reference-content/assets/scaleway-key-manager-schema.webp.png

@@ -7,8 +7,8 @@ content:
   paragraph: Learn how Scaleway Key Manager secures your data with encryption hierarchies, key lifecycle management, and support for advanced cryptographic operations.
 tags: key-manager encryption data key
 dates:
-  validation: 2025-01-06
-  posted: 2025-01-06
+  validation: 2025-01-15
+  posted: 2025-01-15
 categories:
   - identity-and-access-management
 ---
@@ -19,7 +19,7 @@ You will find a diagram in the box below on best practices for how Key Manager w
 
 It is recommended to use keys stored in Key Manager as [key encryption keys (KEK)](/identity-and-access-management/key-manager/concepts/#key-encryption-key-kek), which are used to encrypt and decrypt [data encryption keys (DEKs)](/identity-and-access-management/key-manager/concepts/#data-encryption-key-dek) stored on the client side.
 
-<Lightbox src="scaleway-key-manager.webp" alt="Key Manager hierarchy diagram showing how Key Manager works. Key Manager encrypts data through a hierarchical process: internally, a root encryption key encrypts the key encryption key, which then encrypts the data encryption key. Users can then encrypt their payload using the data encryption key generated in Key Manager." />
+<Lightbox src="scaleway-key-manager-schema.webp" alt="Key Manager hierarchy diagram showing how Key Manager works. Key Manager encrypts data through a hierarchical process: internally, a root encryption key encrypts the key encryption key, which then encrypts a data encryption key either generated by Key Manager or users. Users can then encrypt their payload using the data encryption key." />
 
 ## Why use data encryption keys?