secretKey:          credentials.SecretKey,
			expectedRespStatus: http.StatusNotFound,
		},
		// Test case - 3.
		// Test case to induce a signature mismatch.
		// Using invalid accessID.
		{
			bucketName:         bucketName,
			objectName:         objectName,
			accessKey:          "Invalid-AccessID",
			secretKey:          credentials.SecretKey,

	}

	// 2. Create a user, associate policy and verify access
	accessKey, secretKey := mustGenerateCredentials(c)
	err = s.adm.SetUser(ctx, accessKey, secretKey, madmin.AccountEnabled)
	if err != nil {
		c.Fatalf("Unable to set user: %v", err)
	}
	// 2.1 check that user does not have any access to the bucket
	uClient := s.getUserClient(c, accessKey, secretKey, "")
	c.mustNotListObjects(ctx, uClient, bucket)

	return nil
}

// Sign given request using Signature V2.
func signRequestV2(req *http.Request, accessKey, secretKey string) error {
	signer.SignV2(*req, accessKey, secretKey, false)
	return nil
}

// Sign given request using Signature V4.
func signRequestV4(req *http.Request, accessKey, secretKey string) error {
	// Get hashed payload.
	hashedPayload := req.Header.Get("x-amz-content-sha256")
	if hashedPayload == "" {

	case conf.AccessKey == "" && conf.SecretKey != "" || conf.AccessKey != "" && conf.SecretKey == "":
		return nil, errors.New("both the access and secret keys are required")
	case conf.AWSRole && (conf.AWSRoleWebIdentityTokenFile != "" || conf.AWSRoleARN != "" || conf.AccessKey != "" || conf.SecretKey != ""):

		Credentials: madmin.Credentials{
			AccessKey:  newCred.AccessKey,
			SecretKey:  newCred.SecretKey,
			Expiration: newCred.Expiration,
		},
	}

	data, err := json.Marshal(createResp)
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	encryptedData, err := madmin.EncryptData(cred.SecretKey, data)
	if err != nil {

:["s3:PutObject"],"Resource":["arn:aws:s3:::*"]}]}} iam-assets/users.json {} iam-assets/groups.json {} iam-assets/svcaccts.json {"bobfisher-svcacct-1":{"parent":"uid=bobfisher,ou=people,ou=hwengg,dc=min,dc=io","accessKey":"bobfisher-svcacct-1","secretKey":"bobfisher-svcacct-1","groups":null,"claims":{"accessKey":"bobfisher-svcacct-1","ldapActualUser":"uid=bobfisher,ou=people,ou=hwengg,dc=min,dc=io","ldapUser":"uid=bobfisher,ou=people,ou=hwengg,dc=min,dc=io","ldapUsername":"bobfisher","parent":"u...

			cfg.S3.AWSRoleWebIdentityTokenFile = creds.AWSRoleWebIdentityTokenFile
		}
		if creds.AccessKey != "" && creds.SecretKey != "" {
			cfg.S3.AccessKey = creds.AccessKey
			cfg.S3.SecretKey = creds.SecretKey
		}
	case madmin.Azure:
		if creds.SecretKey != "" {
			cfg.Azure.AccountKey = creds.SecretKey
		}
		if creds.AzSP.TenantID != "" {
			cfg.Azure.SPAuth.TenantID = creds.AzSP.TenantID
		}

ent":[{"Effect":"Allow","Action":["s3:PutObject"],"Resource":["arn:aws:s3:::*"]}]}} iam-assets/users.json {} iam-assets/groups.json {} iam-assets/svcaccts.json {"dillon-service-2":{"parent":"oCnAoSQFtdVQtKwrB73j","accessKey":"dillon-service-2","secretKey":"dillon-service-2","groups":null,"claims":{"accessKey":"dillon-service-2","at_hash":"LL4jvrkBRNQhOKiC83RL","aud":"minio-client-app","c_hash":"fjGB4ldChsaf9vSFdZ1P","email":"******@****.***","email_verified":true,"groups":["projecta","projectb...

	for k, v := range opts.claims {
		_, ok := m[k]
		if !ok {
			m[k] = v
		}
	}

	var accessKey, secretKey string
	var err error
	if len(opts.accessKey) > 0 || len(opts.secretKey) > 0 {
		accessKey, secretKey = opts.accessKey, opts.secretKey
	} else {
		accessKey, secretKey, err = auth.GenerateCredentials()
		if err != nil {
			return auth.Credentials{}, time.Time{}, err
		}
	}

		Credentials: madmin.Credentials{
			AccessKey:  newCred.AccessKey,
			SecretKey:  newCred.SecretKey,
			Expiration: newCred.Expiration,
		},
	}

	data, err := json.Marshal(createResp)
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	encryptedData, err := madmin.EncryptData(cred.SecretKey, data)
	if err != nil {