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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
package utils
import (
"crypto"
"crypto/ed25519"
"encoding/hex"
"fmt"
"io/ioutil"
"os"
"strings"
"git.sigsum.org/sigsum-go/pkg/log"
"git.sigsum.org/sigsum-go/pkg/types"
)
// TODO: Move SetupLogging to sigsum-go/pkg/log
func SetupLogging(logFile, logLevel string, logColor bool) error {
if len(logFile) != 0 {
f, err := os.OpenFile(logFile, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
return err
}
log.SetOutput(f)
}
switch logLevel {
case "debug":
log.SetLevel(log.DebugLevel)
case "info":
log.SetLevel(log.InfoLevel)
case "warning":
log.SetLevel(log.WarningLevel)
case "error":
log.SetLevel(log.ErrorLevel)
default:
return fmt.Errorf("invalid logging level %s", logLevel)
}
log.SetColor(logColor)
return nil
}
func PubkeyFromHexString(pkhex string) (*types.PublicKey, error) {
pkbuf, err := hex.DecodeString(pkhex)
if err != nil {
return nil, fmt.Errorf("DecodeString: %v", err)
}
var pk types.PublicKey
if n := copy(pk[:], pkbuf); n != types.PublicKeySize {
return nil, fmt.Errorf("invalid pubkey size: %v", n)
}
return &pk, nil
}
func NewLogIdentity(keyFile string) (crypto.Signer, string, error) {
buf, err := ioutil.ReadFile(keyFile)
if err != nil {
return nil, "", err
}
if buf, err = hex.DecodeString(strings.TrimSpace(string(buf))); err != nil {
return nil, "", fmt.Errorf("DecodeString: %v", err)
}
sk := crypto.Signer(ed25519.NewKeyFromSeed(buf))
vk := sk.Public().(ed25519.PublicKey)
return sk, hex.EncodeToString([]byte(vk[:])), nil
}
|
