xhttp.AmzServerSideEncryptionCustomerAlgorithm: xhttp.AmzEncryptionAES,
			xhttp.AmzServerSideEncryptionCustomerKey:       base64.StdEncoding.EncodeToString(key32Bytes),
			xhttp.AmzServerSideEncryptionCustomerKeyMD5:    base64.StdEncoding.EncodeToString(key32BytesMd5[:]),
		}
		mapCopy = func(m map[string]string) map[string]string {
			r := make(map[string]string, len(m))
			for k, v := range m {
				r[k] = v

			}

			// If compressed, look for compressed FileInfo only
			if meta.IsCompressed() {
				fmt.Fprint(h, meta.Metadata[ReservedMetadataPrefix+"compression"])
			}

			metaHashes[i] = hex.EncodeToString(h.Sum(nil))
			h.Reset()
		}
	}

	metaHashCountMap := make(map[string]int)
	for _, hash := range metaHashes {
		if hash == "" {
			continue
		}
		metaHashCountMap[hash]++
	}

		if err != nil {
			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
			return
		}

		// Set the correct hex md5sum for the fan-out stream.
		fanOutOpts.MD5Hex = hex.EncodeToString(md5w.Sum(nil))

		concurrentSize := 100
		if runtime.GOMAXPROCS(0) < concurrentSize {
			concurrentSize = runtime.GOMAXPROCS(0)
		}

		}
	}

	// Verify 'Content-Md5' and/or 'X-Amz-Content-Sha256' if present.
	// The verification happens implicit during reading.
	reader, err := hash.NewReader(ctx, r.Body, -1, clientETag.String(), hex.EncodeToString(contentSHA256), -1)
	if err != nil {
		return toAPIErrorCode(ctx, err)
	}
	r.Body = reader
	return ErrNone
}

// List of all support S3 auth types.

	values.Set(storageRESTLength, strconv.Itoa(len(buf)))
	if verifier != nil {
		values.Set(storageRESTBitrotAlgo, verifier.algorithm.String())
		values.Set(storageRESTBitrotHash, hex.EncodeToString(verifier.sum))
	} else {
		values.Set(storageRESTBitrotAlgo, "")
		values.Set(storageRESTBitrotHash, "")
	}
	respBody, err := client.call(ctx, storageRESTMethodReadFile, values, nil, -1)
	if err != nil {

	values := make(url.Values)
	values.Set(peerRESTURL, u.String())
	values.Set(peerRESTSha256Sum, hex.EncodeToString(sha256Sum))
	values.Set(peerRESTReleaseInfo, releaseInfo)

	respBody, err := client.callWithContext(ctx, peerRESTMethodVerifyBinary, values, reader, -1)
	if err != nil {
		return err
	}

	s[0] = byte(id)
	s[1] = 0 // Reserved
	return s
}

func (s *subHandlerID) String() string {
	if s == nil {
		return ""
	}
	return hex.EncodeToString(s[:])
}

func makeZeroSubHandlerID(id HandlerID) subHandlerID {
	return subHandlerID{byte(id)}
}

type handlers struct {
	single    [handlerLast]SingleHandlerFn

			bucketMap[bucket].QuotaConfigUpdatedAt = updatedAt
			rpt.SetStatus(bucket, fileName, nil)
		}
	}

	enc := func(b []byte) *string {
		if b == nil {
			return nil
		}
		v := base64.StdEncoding.EncodeToString(b)
		return &v
	}

	for bucket, meta := range bucketMap {
		err := globalBucketMetadataSys.save(ctx, *meta)
		if err != nil {
			rpt.SetStatus(bucket, "", err)
			continue
		}

}

func (x xlMetaV2VersionHeader) String() string {
	return fmt.Sprintf("Type: %s, VersionID: %s, Signature: %s, ModTime: %s, Flags: %s, N: %d, M: %d",
		x.Type.String(),
		hex.EncodeToString(x.VersionID[:]),
		hex.EncodeToString(x.Signature[:]),
		time.Unix(0, x.ModTime),
		x.Flags.String(),
		x.EcN, x.EcM,
	)
}

// matchesNotStrict returns whether x and o have both have non-zero version,

	if err != nil {
		c.Fatalf("unexpected encryption err: %v", err)
	}

	req.ContentLength = int64(len(buf))
	sum := sha256.Sum256(buf)
	req.Header.Set("X-Amz-Content-Sha256", hex.EncodeToString(sum[:]))
	req.Body = io.NopCloser(bytes.NewReader(buf))
	req = signer.SignV4(*req, accessKey, secretKey, "", "")

	// 3.1 Execute the request.
	resp, err := s.TestSuiteCommon.client.Do(req)
	if err != nil {