MinIO supports two different types of server-side encryption ([SSE](#sse)):

- **SSE-C**: The MinIO server en/decrypts an object with a secret key provided by the S3 client as part of the HTTP request headers. Therefore, [SSE-C](#ssec) requires TLS/HTTPS.
- **SSE-S3**: The MinIO server en/decrypts an object with a secret key managed by a KMS. Therefore, MinIO requires a valid KMS configuration for [SSE-S3](#sses3).

### Server-Side Encryption - Preliminaries

:2===e?a||s?"uri":"urama":e<5?a||s?"ure":"urami":a||s?"ur":"urami";case"d":return a||s?"en dan":"enim dnem";case"dd":return n+=1===e?a||s?"dan":"dnem":2===e?a||s?"dni":"dnevoma":a||s?"dni":"dnevi";case"M":return a||s?"en mesec":"enim mesecem";case"MM":return n+=1===e?a||s?"mesec":"mesecem":2===e?a||s?"meseca":"mesecema":e<5?a||s?"mesece":"meseci":a||s?"mesecev":"meseci";case"y":return a||s?"eno leto":"enim letom";case"yy":return n+=1===e?a||s?"leto":"letom":2===e?a||s?"leti":"letoma":e<5?a||s?"l...

				writeErrorResponse(r.Context(), w, errorCodes.ToAPIErr(ErrInvalidBucketName), r.URL)
				return
			}
		}
		// Deny SSE-C requests if not made over TLS
		if !globalIsTLS && (crypto.SSEC.IsRequested(r.Header) || crypto.SSECopy.IsRequested(r.Header)) {
			if r.Method == http.MethodHead {
				if ok {
					tc.FuncName = "handler.ValidRequest"
					tc.ResponseRecorder.LogErrBody = false
				}

         * and increasing the threshold to 2^32 doesn't pay for itself, and adding another enum
         * constant hurts performance further -- I suspect because bimorphic implementation is a
         * sweet spot for the JVM.
         */
        return (a * b) % m;
      }

      @Override
      long squareMod(long a, long m) {
        return (a * a) % m;
      }
    },

	// Therefore, we adjust all ETags sent by the client to match what is stored
	// on the backend.
	kind, _ := crypto.IsEncrypted(fi.Metadata)

	var objectEncryptionKey []byte
	switch kind {
	case crypto.SSEC:
		if checksumType.IsSet() {
			if opts.EncryptFn == nil {
				return oi, crypto.ErrMissingCustomerKey
			}
			baseKey := opts.EncryptFn("", nil)
			if len(baseKey) != 32 {

				tier = oi.TransitionedObject.Tier
			}
			if sizeS.tiers != nil {
				if st, ok := sizeS.tiers[tier]; ok {
					sizeS.tiers[tier] = st.add(oi.tierStats())
				}
			}
		})

		// apply tier sweep action on free versions
		for _, freeVersion := range fivs.FreeVersions {
			oi := freeVersion.ToObjectInfo(item.bucket, item.objectPath(), versioned)
			done := globalScannerMetrics.time(scannerMetricTierObjSweep)

definima.io
definima.net

// Deno Land Inc : https://deno.com/
// Submitted by Luca Casonato <******@****.***>
deno.dev
deno-staging.dev

// deSEC : https://desec.io/
// Submitted by Peter Thomassen <peter@desec.io>
dedyn.io

// Deta: https://www.deta.sh/
// Submitted by Aavash Shrestha <******@****.***>
deta.app
deta.dev

		return &GetObjectReader{
			ObjInfo: objInfo,
		}, toObjectErr(errMethodNotAllowed, bucket, object)
	}

	// Set NoDecryption for SSE-C objects and if replication request
	if crypto.SSEC.IsEncrypted(objInfo.UserDefined) && opts.ReplicationRequest {
		opts.NoDecryption = true
	}

	if objInfo.Size == 0 {
		if _, _, err := rs.GetOffsetLength(objInfo.Size); err != nil {

Ong, Marshal Hayes, Martin Pool, matthieudelaro, mdfaijul, mholzel, Michael
Zhou, Ming Li, Minmin Sun, Myungjoo Ham, MyungsungKwak, Naman Kamra, Peng Yu,
Penghao Cen, Phil, Raghuraman-K, resec, Rohin Mohanadas, Sandeep N Gupta, Scott
Tseng, seaotterman, Seo Sanghyeon, Sergei Lebedev, Ted Chang, terrytangyuan, Tim
H, tkunic, Tod, vihanjain, Yan Facai (颜发才), Yin Li, Yong Tang, Yukun Chen,
Yusuke Yamada

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