AWS Key Managed service to manage encryption (SSE-KMS)

Console > S3> Select Bucket > Properties > Default Encryption

Now select the KMS key which you want to use
To create KMS < https://oracletechdba.blogspot.com/2020/01/aws-key-management-service-kms.html >


Now select which key you want to encrypt the bucket > Save

Now upload the file and check >