}
		if subtle.ConstantTimeCompare(oldKey, newKey) == 1 && sealedKey.Algorithm == crypto.SealAlgorithm {
			return nil // don't rotate on equal keys if seal algorithm is latest
		}
		sealedKey = objectKey.Seal(newKey, sealedKey.IV, crypto.SSEC.String(), bucket, object)
		crypto.SSEC.CreateMetadata(metadata, sealedKey)
		return nil
	default:
		return errObjectTampered
	}
}

type lcEventSrc uint8

//revive:disable:var-naming Underscores is used here to indicate where common prefix ends and the enumeration name begins
const (
	lcEventSrc_None lcEventSrc = iota
	lcEventSrc_Heal
	lcEventSrc_Scanner
	lcEventSrc_Decom
	lcEventSrc_Rebal
	lcEventSrc_s3HeadObject
	lcEventSrc_s3GetObject
	lcEventSrc_s3ListObjects
	lcEventSrc_s3PutObject
	lcEventSrc_s3CopyObject

	dataUsageBloomName     = ".bloomcycle.bin"
	dataUsageBloomNamePath = bucketMetaPrefix + SlashSeparator + dataUsageBloomName

	backgroundHealInfoPath = bucketMetaPrefix + SlashSeparator + ".background-heal.json"

	dataUsageCacheName = ".usage-cache.bin"
)

// storeDataUsageInBackend will store all objects sent on the dui channel until closed.

	if err != nil {
		return DEK{}, err
	}

	plaintext, err := sioutil.Random(32)
	if err != nil {
		return DEK{}, err
	}
	associatedData, _ := context.MarshalText()
	ciphertext := aead.Seal(nil, nonce, plaintext, associatedData)

	json := jsoniter.ConfigCompatibleWithStandardLibrary
	ciphertext, err = json.Marshal(encryptedKey{
		Algorithm: algorithm,
		IV:        iv,
		Nonce:     nonce,

func (ssekms) CreateMetadata(metadata map[string]string, keyID string, kmsKey []byte, sealedKey SealedKey, ctx kms.Context) map[string]string {
	if sealedKey.Algorithm != SealAlgorithm {
		logger.CriticalIf(context.Background(), Errorf("The seal algorithm '%s' is invalid for SSE-S3", sealedKey.Algorithm))
	}

	// There are two possibilities:
	// - We use a KMS -> There must be non-empty key ID and a KMS data key.

		return err
	}

	var w *os.File
	// Create file if not found. Not doing O_DIRECT here to avoid the code that does buffer aligned writes.
	// AppendFile() is only used by healing code to heal objects written in old format.
	w, err = s.openFileSync(filePath, os.O_CREATE|os.O_APPEND|os.O_WRONLY, volumeDir)
	if err != nil {
		return err
	}
	defer w.Close()

	n, err := w.Write(buf)

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		select {
		case <-healTimer.C:
			c.RLock()
			enabled := c.enabled
			c.RUnlock()
			if enabled {
				refreshStart := time.Now()
				c.healIAMSystem(ctx, objAPI) // heal IAM system first
				c.healBuckets(ctx, objAPI)   // heal buckets subsequently

				took := time.Since(refreshStart).Seconds()
				if took > maxRefreshDurationSecondsForLog {
					// Log if we took a lot of time.

		if globalIsDistErasure || globalIsErasure {
			// Heal operations

			// Heal processing endpoint.
			adminRouter.Methods(http.MethodPost).Path(adminVersion + "/heal/").HandlerFunc(adminMiddleware(adminAPI.HealHandler, traceAllFlag))
			adminRouter.Methods(http.MethodPost).Path(adminVersion + "/heal/{bucket}").HandlerFunc(adminMiddleware(adminAPI.HealHandler, traceAllFlag))

Anis Eleuch <******@****.***> 1709139940 +0100