// hash_md5.go
package main  
  
import (  
       "fmt";  
       "crypto/md5"  
       "io"  
)  
  
func main() {  
     hasher := md5.New()
	 b := []byte{}  
     io.WriteString(hasher, "test")  
     fmt.Printf("Result: %x\n", hasher.Sum(b)) 
 	 fmt.Printf("Result: %d\n", hasher.Sum(b))
} 
/* Output:
Result: 098f6bcd4621d373cade4e832627b4f6
Result: [9 143 107 205 70 33 211 115 202 222 78 131 38 39 180 246]
*/