This example creates an AWS Key Management Service (AWS KMS) customer master key (CMK).

go run CreateKeyv2.go

Source code

// Copyright, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package main

import (


// KMSCreateKeyAPI defines the interface for the CreateKey function.
// We use this interface to test the function using a mocked service.
type KMSCreateKeyAPI interface {
	CreateKey(ctx context.Context,
		params *kms.CreateKeyInput,
		optFns ...func(*kms.Options)) (*kms.CreateKeyOutput, error)

// MakeKey creates an AWS Key Management Service (AWS KMS) customer master key (CMK).
// Inputs:
//     c is the context of the method call, which includes the AWS Region.
//     api is the interface that defines the method call.
//     input defines the input arguments to the service call.
// Output:
//     If success, a CreateKeyOutput object containing the result of the service call and nil.
//     Otherwise, nil and an error from the call to CreateKey.
func MakeKey(c context.Context, api KMSCreateKeyAPI, input *kms.CreateKeyInput) (*kms.CreateKeyOutput, error) {
	return api.CreateKey(c, input)

func main() {
	cfg, err := config.LoadDefaultConfig(context.TODO())
	if err != nil {
		panic("configuration error, " + err.Error())

	client := kms.NewFromConfig(cfg)

	input := &kms.CreateKeyInput{}

	result, err := MakeKey(context.TODO(), client, input)
	if err != nil {
		fmt.Println("Got error creating key:")


See the complete example in GitHub.