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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
package cryptokit
import (
"bytes"
"crypto/ed25519"
"crypto/rand"
"crypto/rsa"
"encoding/base64"
"encoding/pem"
"os"
"os/exec"
"testing"
"filippo.io/age"
"golang.org/x/crypto/ssh"
)
func TestEd25519SignVerifyAcceptsSeedEncoding(t *testing.T) {
public, private, err := ed25519.GenerateKey(rand.Reader)
if err != nil {
t.Fatal(err)
}
message := []byte("Aegis cryptographic test")
signature, err := SignEd25519(message, base64.StdEncoding.EncodeToString(private.Seed()))
if err != nil {
t.Fatal(err)
}
if err := VerifyEd25519(message, signature, base64.StdEncoding.EncodeToString(public)); err != nil {
t.Fatal(err)
}
if err := VerifyEd25519([]byte("tampered"), signature, base64.StdEncoding.EncodeToString(public)); err == nil {
t.Fatal("tampered message verified")
}
}
func TestEd25519PublicKeyAndFingerprint(t *testing.T) {
public, private, err := ed25519.GenerateKey(rand.Reader)
if err != nil {
t.Fatal(err)
}
derived, err := Ed25519PublicKey(base64.StdEncoding.EncodeToString(private.Seed()))
if err != nil {
t.Fatal(err)
}
if derived != base64.StdEncoding.EncodeToString(public) {
t.Fatalf("derived public key = %q, want %q", derived, base64.StdEncoding.EncodeToString(public))
}
fingerprint, err := Ed25519PublicKeyFingerprint(derived)
if err != nil {
t.Fatal(err)
}
if len(fingerprint) != len("sha256:")+64 || fingerprint[:len("sha256:")] != "sha256:" {
t.Fatalf("unexpected fingerprint %q", fingerprint)
}
}
func TestAgeRoundTrip(t *testing.T) {
identity, err := age.GenerateX25519Identity()
if err != nil {
t.Fatal(err)
}
ciphertext, err := EncryptAge([]byte("age test"), identity.Recipient().String())
if err != nil {
t.Fatal(err)
}
plaintext, err := DecryptAge(ciphertext, identity.String())
if err != nil {
t.Fatal(err)
}
if string(plaintext) != "age test" {
t.Fatalf("unexpected plaintext %q", plaintext)
}
}
func TestAgeSSHCompatibility(t *testing.T) {
testKey := func(private any) {
signer, err := ssh.NewSignerFromKey(private)
if err != nil {
t.Fatal(err)
}
privatePEM, err := ssh.MarshalPrivateKey(private, "")
if err != nil {
t.Fatal(err)
}
ciphertext, err := EncryptAge([]byte("age SSH test"), string(ssh.MarshalAuthorizedKey(signer.PublicKey())))
if err != nil {
t.Fatal(err)
}
plaintext, err := DecryptAge(ciphertext, string(pem.EncodeToMemory(privatePEM)))
if err != nil {
t.Fatal(err)
}
if string(plaintext) != "age SSH test" {
t.Fatalf("unexpected plaintext %q", plaintext)
}
}
_, edPrivate, err := ed25519.GenerateKey(rand.Reader)
if err != nil {
t.Fatal(err)
}
testKey(edPrivate)
rsaPrivate, err := rsa.GenerateKey(rand.Reader, 2048)
if err != nil {
t.Fatal(err)
}
testKey(rsaPrivate)
}
func TestOpenPGPRoundTripWithUserKeyMaterial(t *testing.T) {
gpg, err := exec.LookPath("gpg")
if err != nil {
t.Skip("gpg is not installed")
}
home := t.TempDir()
if err := os.Chmod(home, 0o700); err != nil {
t.Fatal(err)
}
run := func(args []string, input []byte) ([]byte, error) {
cmd := exec.Command(gpg, append([]string{"--batch", "--no-tty", "--no-options", "--homedir", home}, args...)...)
cmd.Stdin = bytes.NewReader(input)
return cmd.Output()
}
if _, err := run([]string{"--pinentry-mode", "loopback", "--passphrase", "", "--quick-generate-key", "Aegis Test <aegis@example.invalid>", "rsa2048", "sign", "1d"}, nil); err != nil {
t.Skipf("gpg cannot create an ephemeral test key: %v", err)
}
if _, err := run([]string{"--pinentry-mode", "loopback", "--passphrase", "", "--quick-add-key", "aegis@example.invalid", "rsa2048", "encrypt", "1d"}, nil); err != nil {
t.Skipf("gpg cannot create an ephemeral encryption subkey: %v", err)
}
publicKey, err := run([]string{"--armor", "--export", "aegis@example.invalid"}, nil)
if err != nil {
t.Fatal(err)
}
privateKey, err := run([]string{"--armor", "--export-secret-keys", "aegis@example.invalid"}, nil)
if err != nil {
t.Fatal(err)
}
message := []byte("OpenPGP compatibility test")
signature, err := SignOpenPGPDetached(message, string(privateKey))
if err != nil {
t.Fatal(err)
}
if err := VerifyOpenPGPDetached(message, signature, string(publicKey)); err != nil {
t.Fatal(err)
}
ciphertext, err := EncryptOpenPGP(message, string(publicKey), string(privateKey))
if err != nil {
t.Fatal(err)
}
plaintext, err := DecryptOpenPGP([]byte(ciphertext), string(privateKey))
if err != nil {
t.Fatal(err)
}
if string(plaintext) != string(message) {
t.Fatalf("unexpected plaintext %q", plaintext)
}
}
|
