func (key *ObjectKey) Unseal(extKey []byte, sealedKey SealedKey, domain, bucket, object string) error {
	var unsealConfig sio.Config
	switch sealedKey.Algorithm {
	default:
		return Errorf("The sealing algorithm '%s' is not supported", sealedKey.Algorithm)
	case SealAlgorithm:
		mac := hmac.New(sha256.New, extKey)
		mac.Write(sealedKey.IV[:])
		mac.Write([]byte(domain))
		mac.Write([]byte(SealAlgorithm))

		}
	}
	iv, err := sioutil.Random(16)
	if err != nil {
		return DEK{}, err
	}

	var algorithm string
	if sioutil.NativeAES() {
		algorithm = algorithmAESGCM
	} else {
		algorithm = algorithmChaCha20Poly1305
	}

	var aead cipher.AEAD
	switch algorithm {
	case algorithmAESGCM:
		mac := hmac.New(sha256.New, kms.key)
		mac.Write(iv)
		sealingKey := mac.Sum(nil)

				found = true
				break
			}
		}
		if !found {
			logger.Fatal(fmt.Errorf("unknown algorithm %q passed to --sftp=%s\nValid algorithms: %v", algo, arg, strings.Join(allowed, ", ")), "unable to start SFTP server")
		}
	}
	if len(filteredAlgos) == 0 {
		logger.Fatal(fmt.Errorf("no valid algorithms passed to --sftp=%s\nValid algorithms: %v", arg, strings.Join(allowed, ", ")), "unable to start SFTP server")
	}
	return filteredAlgos
}

	// is not supported.
	ErrInvalidEncryptionMethod = Errorf("The encryption method is not supported")

	// ErrInvalidCustomerAlgorithm indicates that the specified SSE-C algorithm
	// is not supported.
	ErrInvalidCustomerAlgorithm = Errorf("The SSE-C algorithm is not supported")

	// ErrMissingCustomerKey indicates that the HTTP headers contains no SSE-C client key.

	// Add content length condition, only accept content sizes of a given length.
	contentLengthCondStr := `["content-length-range", 1024, 1048576]`
	// Add the algorithm condition, only accept AWS SignV4 Sha256.
	algorithmConditionStr := `["eq", "$x-amz-algorithm", "AWS4-HMAC-SHA256"]`
	// Add the date condition, only accept the current date.
	dateConditionStr := fmt.Sprintf(`["eq", "$x-amz-date", "%s"]`, t.Format(iso8601DateFormat))

	// formatErasureV3.Erasure.Version - version '3'.
	formatErasureVersionV3 = "3"

	// Distribution algorithm used, legacy
	formatErasureVersionV2DistributionAlgoV1 = "CRCMOD"

	// Distributed algorithm used, with N/2 default parity
	formatErasureVersionV3DistributionAlgoV2 = "SIPMOD"

	// Distributed algorithm used, with EC:4 default parity
	formatErasureVersionV3DistributionAlgoV3 = "SIPMOD+PARITY"
)

	"X-Minio-Internal-Server-Side-Encryption-Sealed-Key":     "X-Minio-Replication-Server-Side-Encryption-Sealed-Key",
	"X-Minio-Internal-Server-Side-Encryption-Seal-Algorithm": "X-Minio-Replication-Server-Side-Encryption-Seal-Algorithm",
	"X-Minio-Internal-Server-Side-Encryption-Iv":             "X-Minio-Replication-Server-Side-Encryption-Iv",

}

// IsSet returns whether the type is valid and known.
func (c ChecksumType) IsSet() bool {
	return !c.Is(ChecksumInvalid) && !c.Is(ChecksumNone)
}

// NewChecksumType returns a checksum type based on the algorithm string.
func NewChecksumType(alg string) ChecksumType {
	switch strings.ToUpper(alg) {
	case "CRC32":
		return ChecksumCRC32
	case "CRC32C":
		return ChecksumCRC32C
	case "SHA1":
		return ChecksumSHA1

	Dir     bool      `json:"dir"`
	Mode    uint32    `json:"mode"`
}

// ErasureInfo holds erasure coding and bitrot related information.
type ErasureInfo struct {
	// Algorithm is the string representation of erasure-coding-algorithm
	Algorithm string `json:"algorithm"`
	// DataBlocks is the number of data blocks for erasure-coding
	DataBlocks int `json:"data"`
	// ParityBlocks is the number of parity blocks for erasure-coding

        "claims": {
            "accessKey": "u4ccRswj62HV3Ifwima7",
            "ldapUser": "uid=svc.algorithm,ou=swengg,dc=min,dc=io",
            "ldapUsername": "svc.algorithm",
            "parent": "uid=svc.algorithm,ou=swengg,dc=min,dc=io",
            "sa-policy": "inherited-policy"
        },
        "sessionPolicy": null,
        "status": "on",
        "name": "",
        "description": ""
    }
}