return errFileCorrupt
			}
			resp, err := disks[index].RenameData(ctx, srcBucket, srcEntry, fi, dstBucket, dstEntry, RenameOptions{})
			if err != nil {
				return err
			}
			diskVersions[index] = resp.Sign
			dataDirs[index] = resp.OldDataDir
			return nil
		}, index)
	}

	// Wait for all renames to finish.
	errs := g.Wait()

	// Save signature finally.
	req.URL.RawQuery += "&Signature=" + url.QueryEscape(signature)
	return nil
}

// Sign given request using Signature V2.
func signRequestV2(req *http.Request, accessKey, secretKey string) error {
	signer.SignV2(*req, accessKey, secretKey, false)
	return nil
}

// Sign given request using Signature V4.
func signRequestV4(req *http.Request, accessKey, secretKey string) error {

		// it heal during the regular scanner cycle.
		dst := []byte{}
		for _, ver := range xlMeta.versions {
			dst = slices.Grow(dst, 16)
			copy(dst[len(dst):], ver.header.VersionID[:])
		}
		res.Sign = dst
	}

	newDstBuf, err := xlMeta.AppendTo(metaDataPoolGet())
	defer metaDataPoolPut(newDstBuf)
	if err != nil {
		if legacyPreserved {
			s.deleteFile(dstVolumeDir, legacyDataPath, true, false)

	offsetBegin := int64(-1)
	// Convert offsetBeginString only if its not empty.
	if len(offsetBeginString) > 0 {
		if offsetBeginString[0] == '+' {
			return nil, fmt.Errorf("Byte position ('%s') must not have a sign", offsetBeginString)
		} else if offsetBegin, err = strconv.ParseInt(offsetBeginString, 10, 64); err != nil {
			return nil, fmt.Errorf("'%s' does not have a valid first byte position value", rangeString)

		return err
	}
	for k, v := range r.PostForm {
		if _, ok := r.Form[k]; !ok {
			r.Form[k] = v
		}
	}
	return nil
}

// getTokenSigningKey returns secret key used to sign JWT session tokens
func getTokenSigningKey() (string, error) {
	secret := globalActiveCred.SecretKey
	if globalSiteReplicationSys.isEnabled() {
		c, err := globalSiteReplicatorCred.Get(GlobalContext)
		if err != nil {

		if testCase.metadataGarbage {
			reqV2.Header.Set("X-Amz-Metadata-Directive", "Unknown")
		}

		err = signRequestV2(reqV2, testCase.accessKey, testCase.secretKey)
		if err != nil {
			t.Fatalf("Failed to V2 Sign the HTTP request: %v.", err)
		}
		// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic of the handler.
		// Call the ServeHTTP to execute the handler.
		apiRouter.ServeHTTP(recV2, reqV2)

solutions will be better for different programs; see section 13 for the
specific requirements.

  You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
<https://www.gnu.org/licenses/>.