31 lines
441 B
Go
31 lines
441 B
Go
/*
|
|
Copyright (C) 2013 Aaron Lindsay <aaron@aclindsay.com>
|
|
*/
|
|
|
|
package main
|
|
|
|
import (
|
|
"crypto/sha256"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
)
|
|
|
|
func HashFile(filename string) (string, error) {
|
|
//TODO change to sha512?
|
|
hashfn := sha256.New()
|
|
|
|
infile, err := os.Open(filename)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
defer infile.Close()
|
|
|
|
_, err = io.Copy(hashfn, infile)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return fmt.Sprintf("%x", hashfn.Sum(nil)), nil
|
|
}
|