Exemple #1
0
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")
}
Exemple #2
0
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)
	}
}
Exemple #3
0
func main() {
	h := sha256.New()
	flag.Parse()
	h.Write([]byte(flag.Args()[0]))
	fmt.Printf("%x\n", h.Sum(nil))
}