AWS encryption chart (SSE-S3 vs SSE-KMS vs SSE-C)

SSL/TLS Server Side Managed Keys Client Side Managed Keys

  • S3 (SSE-S3)
    • Each object is encrypted with a key. Amazon encrypts the key with a master key, which rotates regularly.
  • AWS Key Management Service (SSE-KMS)
    • Allows you to audit trail (who and when used the key), extra cost and you manage the master key.
  • Customer provided (SSE-C)
    • User manages the keys but encryption done by Amazon
User encrypts the data on client-side and uploads to S3


Anonymous said…
so much helpfull
Anonymous said…
very well explained
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