func main() {
fmt.Println("This program benchmarks crypto/sha256 and aes/sha256 implementations")
h := sha256.New()
bench_sha256(&h, "crypto/sha256")
c := gosslSHA256.New()
bench_sha256(&c, "gossl/sha256")
}
func main() {
flag.Parse()
for _, fname := range flag.Args() {
h := sha256.New()
buf := make([]byte, 1024*8) //reasonable default blocksize
file, err := os.Open(fname)
if err != nil {
panic(err)
}
for {
bytesread, err := file.Read(buf)
if err != nil && err != io.EOF {
panic(err)
}
if err == io.EOF {
break
}
h.Write(buf[0:bytesread])
}
fmt.Printf("%x %s\n", h.Sum(nil), fname)
}
}
func main() {
h := sha256.New()
flag.Parse()
h.Write([]byte(flag.Args()[0]))
fmt.Printf("%x\n", h.Sum(nil))
}