EncryptData.go - AWS Code Sample

EncryptData.go

// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. // SPDX-License-Identifier: MIT-0 package main import ( "flag" "fmt" "github.com/aws/aws-sdk-go/aws/session" "github.com/aws/aws-sdk-go/service/kms" "github.com/aws/aws-sdk-go/service/kms/kmsiface" ) // EncryptText encrypts some text using an AWS Key Management Service (AWS KMS) customer master key (CMK). // Inputs: // svc is an AWS KMS service client // keyID is the ID of a CMK // Output: // If success, information about the encrypted text and nil // Otherwise, nil and an error from the call to Encrypt func EncryptText(svc kmsiface.KMSAPI, keyID, text *string) (*kms.EncryptOutput, error) { result, err := svc.Encrypt(&kms.EncryptInput{ KeyId: keyID, Plaintext: []byte(*text), }) if err != nil { return nil, err } return result, nil } func main() { keyID := flag.String("k", "", "The ID of a KMS key") text := flag.String("t", "", "The text to encrypt") flag.Parse() if *keyID == "" || *text == "" { fmt.Println("You must supply the ID of a KMS key and some text") fmt.Println("-k KEY-ID -t \"text\"") return } sess := session.Must(session.NewSessionWithOptions(session.Options{ SharedConfigState: session.SharedConfigEnable, })) svc := kms.New(sess) result, err := EncryptText(svc, keyID, text) if err != nil { fmt.Println("Got error encrypting data:") fmt.Println(err) return } fmt.Println("Blob (base-64 byte array):") fmt.Println(result.CiphertextBlob) }