}
	b, err := os.Open(binPath)
	if err != nil {
		logger.Error("Calculating checksum failed: %s", err)
		return "00000000000000000000000000000000"
	}

	defer b.Close()
	io.Copy(mw, b)
	return hex.EncodeToString(mw.Sum(nil))
}

func verifyServerSystemConfig(ctx context.Context, endpointServerPools EndpointServerPools, gm *grid.Manager) error {
	srcCfg := getServerSystemCfg()

	"github.com/minio/minio-go/v7/pkg/credentials"
)

// Returns a base64 encoded random 32 byte string.
func randomState() string {
	b := make([]byte, 32)
	rand.Read(b)
	return base64.RawURLEncoding.EncodeToString(b)
}

var (
	stsEndpoint    string
	configEndpoint string
	clientID       string
	clientSec      string
	clientScopes   string
	port           int
)

	trailerKVSeparator            = ":"
)

// getChunkSignature - get chunk signature.
// Does not update anything in cr.
func (cr *s3ChunkedReader) getChunkSignature() string {
	hashedChunk := hex.EncodeToString(cr.chunkSHA256Writer.Sum(nil))

	// Calculate string to sign.
	alg := signV4ChunkedAlgorithm + "\n"
	stringToSign := alg +
		cr.seedDate.Format(iso8601Format) + "\n" +
		getScope(cr.seedDate, cr.region) + "\n" +

			if len(meta.TaggingConfigXML) > 0 {
				tagCfgStr := base64.StdEncoding.EncodeToString(meta.TaggingConfigXML)
				bms.Tags = &tagCfgStr
				bms.TagConfigUpdatedAt = meta.TaggingConfigUpdatedAt
			}

			if len(meta.VersioningConfigXML) > 0 {
				versioningCfgStr := base64.StdEncoding.EncodeToString(meta.VersioningConfigXML)
				bms.Versioning = &versioningCfgStr

func (c ChecksumInfo) MarshalJSON() ([]byte, error) {
	info := checksumInfoJSON{
		Name:      fmt.Sprintf("part.%d", c.PartNumber),
		Algorithm: c.Algorithm.String(),
		Hash:      hex.EncodeToString(c.Hash),
	}
	return json.Marshal(info)
}

// UnmarshalJSON - custom checksum info unmarshaller
func (c *ChecksumInfo) UnmarshalJSON(data []byte) error {
	var info checksumInfoJSON

    private static final int ID_MAX_LENGTH = 445;

    private SuggestUtil() {
    }

    public static String createSuggestTextId(final String text) {
        final String id = encoder.encodeToString(text.getBytes(CoreLibConstants.CHARSET_UTF_8));
        if (id.length() > 445) {
            return id.substring(0, ID_MAX_LENGTH);
        }
        return id;
    }

	}
	uploadID := res.UploadID

	// Upload part1.
	fiveMBBytes := bytes.Repeat([]byte("a"), 5*humanize.MiByte)
	md5Writer := md5.New()
	md5Writer.Write(fiveMBBytes)
	etag1 := hex.EncodeToString(md5Writer.Sum(nil))
	sha256sum := ""
	_, err = obj.PutObjectPart(context.Background(), bucket, object, uploadID, 1, mustGetPutObjReader(t, bytes.NewReader(fiveMBBytes), int64(len(fiveMBBytes)), etag1, sha256sum), opts)

				t.Errorf("error case %d: expected no error, got: %v", i+1, err)
			}
		} else if err == nil {
			t.Errorf("error case %d: expected error got: %v", i+1, err)
		}
		if err == nil {
			if hex.EncodeToString(sha256Sum) != testCase.expectedSha256hex {
				t.Errorf("case %d: result: expected: %v, got: %x", i+1, testCase.expectedSha256hex, sha256Sum)
			}
			if !testCase.expectedResult.Equal(result) {

		if err != nil {
			logger.CriticalIf(GlobalContext, err)
		}
		sum256 := sha256.Sum256(payload)
		r.Body = io.NopCloser(bytes.NewReader(payload))
		return hex.EncodeToString(sum256[:])
	}

	var (
		defaultSha256Cksum string
		v                  []string
		ok                 bool
	)

	// For a presigned request we look at the query param for sha256.

			cfg.Azure.SPAuth.ClientSecret = creds.AzSP.ClientSecret
		}
	case madmin.GCS:
		if creds.CredsJSON == nil {
			return errTierMissingCredentials
		}
		cfg.GCS.Creds = base64.URLEncoding.EncodeToString(creds.CredsJSON)
	case madmin.MinIO:
		if creds.AccessKey == "" || creds.SecretKey == "" {
			return errTierMissingCredentials
		}
		cfg.MinIO.AccessKey = creds.AccessKey
		cfg.MinIO.SecretKey = creds.SecretKey