blob: 4c45ba6e650e6042483edbb7b3ebb94556825f29 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
// Copyright 2016 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
package hash
import (
"crypto/sha1"
"encoding/hex"
"fmt"
)
type Sig [sha1.Size]byte
func Hash(data []byte) Sig {
return Sig(sha1.Sum(data))
}
func String(data []byte) string {
sig := Hash(data)
return sig.String()
}
func (sig *Sig) String() string {
return hex.EncodeToString((*sig)[:])
}
func FromString(str string) (Sig, error) {
bin, err := hex.DecodeString(str)
if err != nil {
return Sig{}, fmt.Errorf("failed to decode sig '%v': %v", str, err)
}
if len(bin) != len(Sig{}) {
return Sig{}, fmt.Errorf("failed to decode sig '%v': bad len", str)
}
var sig Sig
for i, v := range bin {
sig[i] = v
}
return sig, err
}
|
