cryptopals

https://cryptopals.com/
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sha1_keyed_mac.go (511B)

      1 package main
      2 
      3 import (
      4 	"bufio"
      5 	"fmt"
      6         "os"
      7 	"./sha_1"
      8 )
      9 
     10 func main() {
     11 	if len(os.Args) > 2 {
     12 		key := []byte(os.Args[1])
     13 		msg := []byte(os.Args[2])
     14 		fmt.Printf("%xn", sha_1.Sum(append(key, msg...)))
     15 	} else if len(os.Args) == 2 {
     16 		msg := []byte(os.Args[1])
     17 		fmt.Printf("%xn", sha_1.Sum(msg))
     18 		//af 06 49 23 bb f2 30 15 96 aa c4 c2 73 ba 32 17 8e bc 4a 96
     19 	} else {
     20 		msg, _ := bufio.NewReader(os.Stdin).ReadString('n')
     21 		m := []byte(msg[:len(msg) - 1])
     22 		fmt.Printf("%xn", sha_1.Sum(m))
     23 	}
     24 }