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

type ssec struct{}

var (
	// SSEC represents AWS SSE-C. It provides functionality to handle
	// SSE-C requests.
	SSEC = ssec{}

	_ Type = SSEC
)

// String returns the SSE domain as string. For SSE-C the
// domain is "SSE-C".
func (ssec) String() string { return "SSE-C" }

// IsRequested returns true if the HTTP headers contains

		{ObjectOpts{Name: "c1test", VersionID: "vid", DeleteMarker: true, SSEC: true, OpType: DeleteReplicationType}, cfgs[0], true}, // 7. permanent delete of version
		{ObjectOpts{Name: "c1test", DeleteMarker: true, SSEC: true, OpType: DeleteReplicationType}, cfgs[0], true},                   // 8. setting DeleteMarker on SSE-C encrypted object

		return S3, true
	case S3KMS.IsRequested(h):
		return S3KMS, true
	case SSEC.IsRequested(h):
		return SSEC, true
	default:
		return nil, false
	}
}

// Requested returns whether any type of encryption is requested.
func Requested(h http.Header) bool {
	return S3.IsRequested(h) || S3KMS.IsRequested(h) || SSEC.IsRequested(h)
}

// UnsealObjectKey extracts and decrypts the sealed object key

	if err != nil {
		return opts, err
	}
	opts.MTime = mtime
	opts.UserDefined = make(map[string]string)
	// Transfer SSEC key in opts.EncryptFn
	if crypto.SSEC.IsRequested(r.Header) {
		key, err := ParseSSECustomerRequest(r)
		if err == nil {
			// Set EncryptFn to return SSEC key
			opts.EncryptFn = func(baseKey string, data []byte) []byte {
				return key
			}
		}
	}

		Dsc:                  dsc,
		TargetStatuses:       tgtStatuses,
		TargetPurgeStatuses:  purgeStatuses,
		ReplicationTimestamp: tm,
		SSEC:                 crypto.SSEC.IsEncrypted(oi.UserDefined),
		UserTags:             oi.UserTags,
	}
	if ri.SSEC {
		ri.Checksum = oi.Checksum
	}
	if dsc.Synchronous() {
		replicateObject(ctx, ri, o)
	} else {

		ExistingObjResync:    existingObjResync,
		TargetStatuses:       tgtStatuses,
		TargetPurgeStatuses:  purgeStatuses,
		ReplicationTimestamp: tm,
		SSEC:                 crypto.SSEC.IsEncrypted(oi.UserDefined),
		UserTags:             oi.UserTags,
	}
	if r.SSEC {
		r.Checksum = oi.Checksum
	}
	return r
}

// ReplicationState - returns replication state using other internal replication metadata in ObjectInfo

	sseCopyC := crypto.SSEC.IsEncrypted(srcInfo.UserDefined) && crypto.SSECopy.IsRequested(r.Header)
	sseC := crypto.SSEC.IsRequested(r.Header)
	sseS3 := crypto.S3.IsRequested(r.Header)
	sseKMS := crypto.S3KMS.IsRequested(r.Header)

	isSourceEncrypted := sseCopyC || sseCopyS3 || sseCopyKMS
	isTargetEncrypted := sseC || sseS3 || sseKMS

	if sseC {
		newKey, err = ParseSSECustomerRequest(r)

			z.UserTags, bts, err = msgp.ReadStringBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "UserTags")
				return
			}
		case "SSEC":
			z.SSEC, bts, err = msgp.ReadBoolBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "SSEC")
				return
			}
		case "ReplicationStatus":
			bts, err = z.ReplicationStatus.UnmarshalMsg(bts)
			if err != nil {

	VersionID                  string
	ETag                       string
	Size                       int64
	ActualSize                 int64
	ModTime                    time.Time
	UserTags                   string
	SSEC                       bool
	ReplicationStatus          replication.StatusType
	ReplicationStatusInternal  string
	VersionPurgeStatusInternal string
	VersionPurgeStatus         VersionPurgeStatusType

		crypto.S3KMS.CreateMetadata(metadata, newKey.KeyID, newKey.Ciphertext, sealedKey, cryptoCtx)
		return nil
	case crypto.SSEC:
		sealedKey, err := crypto.SSEC.ParseMetadata(metadata)
		if err != nil {
			return err
		}

		var objectKey crypto.ObjectKey
		if err = objectKey.Unseal(oldKey, sealedKey, crypto.SSEC.String(), bucket, object); err != nil {
			if subtle.ConstantTimeCompare(oldKey, newKey) == 1 {