/
hash.go
53 lines (45 loc) · 901 Bytes
/
hash.go
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
41
42
43
44
45
46
47
48
49
50
51
52
53
package ultis
import (
"crypto/sha1"
"crypto/sha256"
"crypto/sha512"
"encoding/hex"
"errors"
"io"
)
func SHA256(key string) (string, error) {
h := sha256.New()
_, err := io.WriteString(h, key)
if err != nil {
return "", err
}
return hex.EncodeToString(h.Sum(nil)), nil
}
func SHA1(key string) (string, error) {
h := sha1.New()
_, err := io.WriteString(h, key)
if err != nil {
return "", err
}
return hex.EncodeToString(h.Sum(nil)), nil
}
func SHA512(key string) (string, error) {
h := sha512.New()
_, err := io.WriteString(h, key)
if err != nil {
return "", err
}
return hex.EncodeToString(h.Sum(nil)), nil
}
func GetHashFunc(name string) (func(string) (string, error), error) {
switch name {
case "SHA1":
return SHA1, nil
case "SHA256":
return SHA256, nil
case "SHA512":
return SHA512, nil
default:
return nil, errors.New("unknown hash function")
}
}