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
|
package stfe
import (
"fmt"
"crypto/sha256"
"github.com/google/certificate-transparency-go/tls"
)
func ExampleNewChecksumV1() {
name := "foobar-1.2.3"
hasher := sha256.New()
hasher.Write([]byte(name))
checksum := hasher.Sum(nil) // hash of package name
item, err := NewChecksumV1(name, checksum)
if err != nil {
fmt.Printf("failed creating checksum item: %v", err)
return
}
fmt.Printf("%s\n", item)
// Output: checksum_v1 foobar-1.2.3 UOeWe84malBvj2FLtQlr66WA0gUEa5GPR9I7LsYm114=
}
func ExampleMarshalChecksumV1() {
item, err := NewChecksumV1("foobar-1.2.3", make([]byte, 32))
if err != nil {
fmt.Printf("failed creating checksum item: %v", err)
return
}
b, err := tls.Marshal(item)
if err != nil {
fmt.Printf("tls.Marshal() failed: %v", err)
return
}
fmt.Printf("%v\n", b)
// Output: [0 5 12 102 111 111 98 97 114 45 49 46 50 46 51 32 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0]
}
func ExampleUnmarshalChecksumV1() {
b := []byte{0, 5, 12, 102, 111, 111, 98, 97, 114, 45, 49, 46, 50, 46, 51, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
var item StItem
extra, err := tls.Unmarshal(b, &item)
if err != nil {
fmt.Printf("tls.Unmarshal() failed: %v (%v)", err, extra)
return
} else if len(extra) > 0 {
fmt.Printf("tls.Unmarshal() found extra data: %v", extra)
return
}
fmt.Printf("%v\n", item)
// Output: checksum_v1 foobar-1.2.3 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
}
|
