uuid []byte
}

// Write -  implement hash.Hash Write
func (u UUIDHash) Write(p []byte) (n int, err error) {
	return len(p), nil
}

// Sum -  implement md5.Sum
func (u UUIDHash) Sum(b []byte) []byte {
	return u.uuid
}

// Reset -  implement hash.Hash Reset
func (u UUIDHash) Reset() {
	return
}

// Size -  implement hash.Hash Size
func (u UUIDHash) Size() int {
	return len(u.uuid)

type BitrotAlgorithm uint

const (
	// SHA256 represents the SHA-256 hash function
	SHA256 BitrotAlgorithm = 1 + iota
	// HighwayHash256 represents the HighwayHash-256 hash function
	HighwayHash256
	// HighwayHash256S represents the Streaming HighwayHash-256 hash function
	HighwayHash256S
	// BLAKE2b512 represents the BLAKE2b-512 hash function
	BLAKE2b512
)

	return crc
}

// hashDeterministicBytes will return a deterministic (weak) hash for the map values.
// Trivial collisions are avoided, but this is by no means a strong hash.
func hashDeterministicBytes(m map[string][]byte) uint64 {
	crc := uint64(0x1bbc7e1dde654743)
	for k, v := range m {
		crc ^= (xxh3.HashString(k) ^ 0x4ee3bbaf7ab2506b) + (xxh3.Hash(v) ^ 0x8da4c8da66194257)
	}
	return crc

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"bytes"
	"context"
	"errors"
	"io"
	"net/http"

	"github.com/minio/minio/internal/hash"
)

var errConfigNotFound = errors.New("config file not found")

func readConfigWithMetadata(ctx context.Context, store objectIO, configFile string, opts ObjectOptions) ([]byte, ObjectInfo, error) {

func (m *realDeps) ipsetIPHashCreate(name string, v6 bool) error {
	var family uint8

	if v6 {
		family = unix.AF_INET6
	} else {
		family = unix.AF_INET
	}
	err := netlink.IpsetCreate(name, "hash:ip", netlink.IpsetCreateOptions{Comments: true, Replace: true, Family: family})
	if ipsetErr, ok := err.(nl.IPSetError); ok && ipsetErr == nl.IPSET_ERR_EXIST {
		return nil
	}

	return err
}

	storageRESTOffset        = "offset"
	storageRESTLength        = "length"
	storageRESTCount         = "count"
	storageRESTBitrotAlgo    = "bitrot-algo"
	storageRESTBitrotHash    = "bitrot-hash"
	storageRESTDiskID        = "disk-id"
	storageRESTForceDelete   = "force-delete"
	storageRESTGlob          = "glob"
	storageRESTMetrics       = "metrics"
	storageRESTDriveQuorum   = "drive-quorum"

}

func (r RedisArgs) validateFormat(c redis.Conn) error {
	typeAvailable, err := redis.String(c.Do("TYPE", r.Key))
	if err != nil {
		return err
	}

	if typeAvailable != "none" {
		expectedType := "hash"
		if r.Format == event.AccessFormat {
			expectedType = "list"
		}

		if typeAvailable != expectedType {
			return fmt.Errorf("expected type %v does not match with available type %v", expectedType, typeAvailable)

package cmd

import (
	"bytes"
	"context"
	"hash"
	"io"
	"sync"

	xhttp "github.com/minio/minio/internal/http"
	"github.com/minio/minio/internal/ioutil"
)

// Calculates bitrot in chunks and writes the hash into the stream.
type streamingBitrotWriter struct {
	iow          io.WriteCloser
	closeWithErr func(err error) error
	h            hash.Hash
	shardSize    int64
	canClose     *sync.WaitGroup
}

)

func init() {
	// RS3256
	SigningMethodRS3256 = &jwt.SigningMethodRSA{Name: "RS3256", Hash: crypto.SHA3_256}
	jwt.RegisterSigningMethod(SigningMethodRS3256.Alg(), func() jwt.SigningMethod {
		return SigningMethodRS3256
	})

	// RS3384
	SigningMethodRS3384 = &jwt.SigningMethodRSA{Name: "RS3384", Hash: crypto.SHA3_384}
	jwt.RegisterSigningMethod(SigningMethodRS3384.Alg(), func() jwt.SigningMethod {

)

func init() {
	// ES256
	SigningMethodES3256 = &jwt.SigningMethodECDSA{Name: "ES3256", Hash: crypto.SHA3_256, KeySize: 32, CurveBits: 256}
	jwt.RegisterSigningMethod(SigningMethodES3256.Alg(), func() jwt.SigningMethod {
		return SigningMethodES3256
	})

	// ES384
	SigningMethodES3384 = &jwt.SigningMethodECDSA{Name: "ES3384", Hash: crypto.SHA3_384, KeySize: 48, CurveBits: 384}