package hash

import (
	"bytes"
	"context"
	"encoding/base64"
	"encoding/hex"
	"errors"
	"hash"
	"io"
	"net/http"

	"github.com/minio/minio/internal/etag"
	"github.com/minio/minio/internal/hash/sha256"
	"github.com/minio/minio/internal/ioutil"
)

// A Reader wraps an io.Reader and computes the MD5 checksum
// of the read content as ETag. Optionally, it also computes