response, err = s.client.Do(request)
	c.Assert(err, nil)
	verifyError(c, response, "SignatureDoesNotMatch", "The request signature we calculated does not match the signature you provided. Check your key and signing method.", http.StatusForbidden)
}

// This tests validate if PUT handler can successfully detect SHA256 mismatch.
func (s *TestSuiteCommon) TestSHA256Mismatch(c *check) {
	// generate a random bucket name.

		scheduleReplication(ctx, objInfo, objectAPI, dsc, replication.ObjectReplicationType)
	}

	setPutObjHeaders(w, objInfo, false)
	// We must not use the http.Header().Set method here because some (broken)
	// clients expect the x-amz-copy-source-version-id header key to be literally
	// "x-amz-copy-source-version-id"- not in canonicalized form, preserve it.
	if srcOpts.VersionID != "" {

		name:    name,
		size:    int64(len(data)),
		mode:    fileMode,
		modTime: UTCNow(),
		isDir:   false,
		sys:     nil,
	})
	if zerr != nil {
		return zerr
	}
	header.Method = zip.Deflate
	zwriter, zerr := zipWriter.CreateHeader(header)
	if zerr != nil {
		return zerr
	}
	_, err := io.Copy(zwriter, bytes.NewReader(data))
	return err
}

	}

	// function type for creating signed requests - used to repeat
	// requests with V2 and V4 signing.
	type testSignedReqFn func(method, urlStr string, contentLength int64,
		body io.ReadSeeker, accessKey, secretKey string, metamap map[string]string) (*http.Request,
		error)