-
Notifications
You must be signed in to change notification settings - Fork 0
/
libswrap.go
79 lines (70 loc) · 2.01 KB
/
libswrap.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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
package cryptoutil
import (
"encoding/base64"
"github.com/pkg/errors"
)
func KeyId(pub []byte) string {
return base64.StdEncoding.EncodeToString(QuickSha256(pub))
}
func GenKey(keyType KeyType) (pvt []byte, pub []byte, err error) {
keyName := KeyTypeAsString[keyType]
if keyName == "" {
keyName = "UNKNOWN"
}
if keyName[:4] == "SIKE" {
return sikeGenKey(keyType)
} else if keyName[:5] == "FRODO" {
return frodoGenKey(keyType)
} else if keyName[:5] == "KYBER" {
return kyberGenKey(keyType)
} else {
err = errors.Errorf("I do not know how to create a key type %d.", keyType)
return
}
}
func Encapsulate(pub []byte, keyType KeyType) (ct []byte, ss []byte, err error) {
keyName := KeyTypeAsString[keyType]
if keyName[:4] == "SIKE" {
return sikeEncapsulate(pub, keyType)
} else if keyName[:5] == "FRODO" {
return frodoEncapsulate(pub, keyType)
} else if keyName[:5] == "KYBER" {
return kyberEncapsulate(pub, keyType)
} else {
err = errors.Errorf("Encapsulate does not know how to handle key type: %v", keyName)
return
}
}
func Dencapsulate(pub []byte, pvt []byte, ct []byte, keyType KeyType) (ss []byte, err error) {
keyName := KeyTypeAsString[keyType]
if keyName[:4] == "SIKE" {
return sikeDencapsulate(pub, pvt, ct, keyType)
} else if keyName[:5] == "FRODO" {
return frodoDencapsulate(pvt, ct, keyType)
} else if keyName[:5] == "KYBER" {
return kyberDencapsulate(pvt, ct, keyType)
} else {
err = errors.Errorf("Encapsulate does not know how to handle key type: %v", keyName)
return
}
}
func PublicKeyAsString(pub []byte) string {
return base64.StdEncoding.EncodeToString(pub)
}
func PrivateKeyAsString(pub []byte) string {
return base64.StdEncoding.EncodeToString(pub)
}
func PrivateKeyFromString(key string) (pvt []byte) {
pvt, err := base64.StdEncoding.DecodeString(key)
if err != nil || len(pvt) < 10 {
return nil
}
return
}
func PublicKeyFromString(key string) (pub []byte) {
pub, err := base64.StdEncoding.DecodeString(key)
if err != nil || len(pub) < 10 {
return nil
}
return
}