virgil.go

package main

import (
	"encoding/base64"
	"fmt"
	"github.com/VirgilSecurity/virgil-sdk-go"
	"io/ioutil"
)

func main() {
	crypto := virgil.Crypto()
	client := virgil.NewClient("<access_token>")
	plaintext := []byte("<badge_id>")

	appKeyPassword := "<pwd>"
	appKeyData, _ := ioutil.ReadFile("/Users/sergio/Downloads/highload2016 - app key.virgilkey")

	appKey, _ := crypto.ImportPrivateKey(appKeyData, appKeyPassword)

	card, _ := client.GetCard("a7c6cb4fd800a3f2187d5e342f16a2c04b343a1912c8b0b6069e618096f645fb")

	encryptedData, _ := card.SignThenEncrypt(plaintext, appKey)
	bb := base64.StdEncoding.EncodeToString(encryptedData)
	fmt.Println(bb)
}