Go: sha512 checksum

sha512sum.go

package main

import (
	"crypto/sha512"
	"fmt"
)

// shaSum returns a SHA512 checksum of a string.
func shaSum(s string) string {
	sha_512 := sha512.New()
	sha_512.Write([]byte(s))

	sum := fmt.Sprintf("%x", sha_512.Sum(nil))
	return sum
}