awesome-go/impl/files-manipulation/28-HashAndChecksum.go

package main

import (
	"crypto/md5"
	"crypto/sha1"
	"crypto/sha256"
	"crypto/sha512"
	"fmt"
	"os"
	"log"
)

func main() {

	/*
	   Hashing and Checksums
	*/

	// Get bytes from file
	data, err := os.ReadFile("test.txt")
	if err != nil {
		log.Fatal(err)
	}

	// Hash the file and output results
	fmt.Printf("Md5: %x\n\n", md5.Sum(data))
	fmt.Printf("Sha1: %x\n\n", sha1.Sum(data))
	fmt.Printf("Sha256: %x\n\n", sha256.Sum256(data))
	fmt.Printf("Sha512: %x\n\n", sha512.Sum512(data))
}