Amazon S3 Encryption
With Amazon S3, you have server-side encryption and client-side encryption options. An important point is that server-side encryption is applied to all new buckets (as of January 5, 2023). All new objects uploaded to these buckets are automatically encrypted by default. Let us discuss the two encryption options.
Amazon S3 Server-Side Encryption
Amazon S3 will encrypt your data and objects as they are committed to disk in the S3 environment. By default, all new objects are encrypted using server-side encryption with an Amazon S3-managed keys (SSE-S3) configuration, which Amazon S3 uses to encrypt and decrypt your data. The following are four different server-side encryption options with Amazon S3.
Server-Side Encryption with Amazon S3-Managed Keys (SSE-S3)
As mentioned previously, this is Amazon S3’s default encryption option. SS3-S3
encrypts your data using the 256-bit Advanced Encryption Standard (AES-256). Each object is encrypted with a unique...