go-peer/pkg/client/examples/file_encrypt/filehash.go
2024-09-28 21:18:28 +07:00

24 lines
289 B
Go

package main
import (
"crypto/sha256"
"io"
"log"
"os"
)
func fileHash(filename string) []byte {
f, err := os.Open(filename)
if err != nil {
log.Fatal(err)
}
defer f.Close()
h := sha256.New()
if _, err := io.Copy(h, f); err != nil {
log.Fatal(err)
}
return h.Sum(nil)
}