// 2. `subsys:` -> request for config of a single subsystem and the default target.
// 3. `subsys` -> request for config of all targets for the given subsystem.
//
// This is a reporting API and config secrets are redacted in the response.
func (a adminAPIHandlers) GetConfigKVHandler(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()

	objectAPI, cred := validateAdminReq(ctx, w, r, policy.ConfigUpdateAdminAction)

	"crypto/rand"
	"encoding/binary"
	"errors"
	"fmt"
	"io"

	jsoniter "github.com/json-iterator/go"
	"github.com/minio/minio/internal/fips"
	"github.com/minio/minio/internal/kms"
	"github.com/secure-io/sio-go"
	"github.com/secure-io/sio-go/sioutil"
)

// EncryptBytes encrypts the plaintext with a key managed by KMS.
// The context is bound to the returned ciphertext.
//
// The same context must be provided when decrypting the

import (
	"context"
	"crypto/aes"
	"crypto/cipher"
	"crypto/hmac"
	"encoding/base64"
	"errors"
	"fmt"
	"net/http"
	"strconv"
	"strings"

	jsoniter "github.com/json-iterator/go"
	"github.com/secure-io/sio-go/sioutil"
	"golang.org/x/crypto/chacha20"
	"golang.org/x/crypto/chacha20poly1305"

	"github.com/minio/kms-go/kes"
	"github.com/minio/minio/internal/hash/sha256"
)

					// credentials update is possible only in bucket replication. User will never
					// know the site replicator creds.
					tgt.Credentials = target.Credentials
					tgt.TargetBucket = target.TargetBucket
					tgt.Secure = target.Secure
					tgt.Endpoint = target.Endpoint
				}
			case madmin.SyncUpdateType:
				tgt.ReplicationSync = target.ReplicationSync
			case madmin.ProxyUpdateType:
				tgt.DisableProxy = target.DisableProxy

		"Please provide correct credentials",
		`Access key length should be at least 3, and secret key length at least 8 characters`,
	)

	ErrMissingEnvCredentialRootUser = newErrFn(
		"Missing credential environment variable, \""+EnvRootUser+"\"",
		"Environment variable \""+EnvRootUser+"\" is missing",

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

package kms

// Top level config constants for KMS
const (
	EnvKMSSecretKey        = "MINIO_KMS_SECRET_KEY"
	EnvKMSSecretKeyFile    = "MINIO_KMS_SECRET_KEY_FILE"
	EnvKESEndpoint         = "MINIO_KMS_KES_ENDPOINT"       // One or multiple KES endpoints, separated by ','

	}
	return nil
}

// getTokenSigningKey returns secret key used to sign JWT session tokens
func getTokenSigningKey() (string, error) {
	secret := globalActiveCred.SecretKey
	if globalSiteReplicationSys.isEnabled() {
		c, err := globalSiteReplicatorCred.Get(GlobalContext)
		if err != nil {
			return "", err
		}
		return c.SecretKey, nil
	}
	return secret, nil
}

	// There is no max length enforcement for access keys
	accessKeyMaxLen = 20

	// Minimum length for MinIO secret key for both server
	secretKeyMinLen = 8

	// Maximum secret key length for MinIO, this
	// is used when autogenerating new credentials.
	// There is no max length enforcement for secret keys
	secretKeyMaxLen = 40

	// Alpha numeric table used for generating access keys.

		return
	}

	if target == "" {
		target = Default
	}

	if redactSecrets {
		// If the configuration parameter is a secret, make sure to redact it when
		// we return.
		helpKV, _ := HelpSubSysMap[subSys].Lookup(cfgParam)
		if helpKV.Secret {
			defer func() {
				value = ""
				isRedacted = true
			}()
		}
	}

	envVar := getEnvVarName(subSys, target, cfgParam)

		},
		config.HelpKV{
			Key:         AuthToken,
			Description: "authorization header for plugin hook endpoint" + defaultHelpPostfix(AuthToken),
			Optional:    true,
			Type:        "string",
			Sensitive:   true,
			Secret:      true,
		},
		config.HelpKV{
			Key:         EnableHTTP2,
			Description: "Enable experimental HTTP2 support to connect to plugin service" + defaultHelpPostfix(EnableHTTP2),
			Optional:    true,