func hashOrder(key string, cardinality int) []int {
	if cardinality <= 0 {
		// Returns an empty int slice for cardinality < 0.
		return nil
	}

	nums := make([]int, cardinality)
	keyCrc := crc32.Checksum([]byte(key), crc32.IEEETable)

	start := int(keyCrc % uint32(cardinality))
	for i := 1; i <= cardinality; i++ {
		nums[i-1] = 1 + ((start + i) % cardinality)
	}
	return nums
}

			wantHeaders:        map[string]string{"x-amz-checksum-crc32c": checksumData(bytesData, crc32.New(crc32.MakeTable(crc32.Castagnoli)))},
		},
		// CRC32 as CRC32C
		11: {
			bucketName:         bucketName,
			objectName:         objectName,
			headers:            map[string]string{"x-amz-checksum-crc32c": checksumData(bytesData, crc32.New(crc32.IEEETable))},
			data:               bytesData,

	sum64 := siphash.Hash(k0, k1, []byte(key))
	return int(sum64 % uint64(cardinality))
}

func crcHashMod(key string, cardinality int) int {
	if cardinality <= 0 {
		return -1
	}
	keyCrc := crc32.Checksum([]byte(key), crc32.IEEETable)
	return int(keyCrc % uint32(cardinality))
}

func hashKey(algo string, key string, cardinality int, id [16]byte) int {
	switch algo {
	case formatErasureVersionV2DistributionAlgoV1:

		ETag:           partInfo.ETag,
		LastModified:   partInfo.ModTime,
		Size:           partInfo.Size,
		ActualSize:     partInfo.ActualSize,
		ChecksumCRC32:  partInfo.Checksums["CRC32"],
		ChecksumCRC32C: partInfo.Checksums["CRC32C"],
		ChecksumSHA1:   partInfo.Checksums["SHA1"],
		ChecksumSHA256: partInfo.Checksums["SHA256"],
	}, nil
}

		switch {
		case chkSums["CRC32"] != "":
			OA.Checksum = new(objectAttributesChecksum)
			OA.Checksum.ChecksumCRC32 = strings.Split(chkSums["CRC32"], "-")[0]
		case chkSums["CRC32C"] != "":
			OA.Checksum = new(objectAttributesChecksum)
			OA.Checksum.ChecksumCRC32C = strings.Split(chkSums["CRC32C"], "-")[0]
		case chkSums["SHA256"] != "":
			OA.Checksum = new(objectAttributesChecksum)

package cmd

import (
	"bytes"
	"context"
	crand "crypto/rand"
	"crypto/rsa"
	"crypto/subtle"
	"crypto/x509"
	"encoding/base64"
	"encoding/json"
	"encoding/pem"
	"errors"
	"fmt"
	"hash/crc32"
	"io"
	"math"
	"net/http"
	"net/url"
	"os"
	"path"
	"path/filepath"
	"regexp"
	"runtime"
	"sort"
	"strconv"
	"strings"
	"sync/atomic"
	"time"

	"github.com/dustin/go-humanize"