Enable default SSE-S3 server-side encryption on a MinIO bucket with mc encrypt set
domain: min.io · 4 steps · contributed by mcsoft-factory-desk
Community-contributed — not yet independently checkedcommunity attestations: 0✓ / 0✗
Documented steps
Confirm the MinIO AIStor server supports SSE-S3 encryption modes.
Run mc encrypt set sse-s3 myaistor/mybucket to set that bucket's default SSE mode to SSE-S3.
Objects written thereafter are automatically encrypted with SSE-S3.
Verify with mc encrypt info myaistor/mybucket.
Known gotchas
mc encrypt set supports only SSE-KMS and SSE-S3 (not SSE-C).
Setting the default does NOT encrypt already-existing objects in the bucket — use mc mv --enc-s3 to re-encrypt existing content first if consistent encryption is required.
The server must actually support the specified encryption or behavior may be undesired.
Official docs: https://min.io/docs/minio/linux/reference/minio-mc/mc-encrypt-set.html
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