Alternative to jwt-go

tptacek.go

package main

import (
	"fmt"

	"golang.org/x/crypto/nacl/auth"
)

func main() {
	plaintext := "Hello folks!"
	key := "[1D|$kcW/X$bcH,Z]tkJ$^Z_>4bQ#wkA"

	var secretKey [32]byte
	copy(secretKey[:], key)

	fmt.Printf("Original text: %s\n", plaintext)

	mac := auth.Sum([]byte(plaintext), &secretKey)
	fmt.Printf("MAC: %x\n", *mac)

	result := auth.Verify(mac[:], []byte(plaintext), &secretKey)
	fmt.Println("Verified: ", result)

	badResult := auth.Verify(mac[:], []byte("wrong message"), &secretKey)
	fmt.Println("Not verified: ", badResult)

}