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sshutil_test.go
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113 lines (103 loc) · 2.95 KB
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package sshutil
import (
"crypto"
"crypto/ecdsa"
"crypto/ed25519"
"reflect"
"testing"
"github.com/stretchr/testify/require"
"golang.org/x/crypto/ssh"
"golang.org/x/crypto/ssh/agent"
"go.step.sm/crypto/keyutil"
)
type skKey struct {
typ string
bytes []byte
}
func (s *skKey) Type() string { return s.typ }
func (s *skKey) Marshal() []byte { return s.bytes }
func (s *skKey) Verify(data []byte, sig *ssh.Signature) error { return nil }
func generateKey(t *testing.T, kty, crv string, size int) (crypto.PublicKey, ssh.PublicKey) {
t.Helper()
signer, err := keyutil.GenerateSigner(kty, crv, size)
if err != nil {
t.Fatal(err)
}
sshSigner, err := ssh.NewSignerFromSigner(signer)
if err != nil {
t.Fatal(err)
}
return signer.Public(), sshSigner.PublicKey()
}
func generateFakeSKKey(t *testing.T, pub crypto.PublicKey) ssh.PublicKey {
t.Helper()
switch k := pub.(type) {
case *ecdsa.PublicKey:
p, err := k.ECDH()
require.NoError(t, err)
w := struct {
Name string
ID string
Key []byte
Application string
return &skKey{
typ: "[email protected]",
bytes: ssh.Marshal(w),
}
case ed25519.PublicKey:
w := struct {
Name string
KeyBytes []byte
Application string
return &skKey{
typ: "[email protected]",
bytes: ssh.Marshal(w),
}
default:
t.Fatalf("unsupported public key type %T", k)
return nil
}
}
func TestCryptoPublicKey(t *testing.T) {
ecKey, sshECKey := generateKey(t, "EC", "P-256", 0)
edKey, sshEDKey := generateKey(t, "OKP", "Ed25519", 0)
rsaKey, sshRSAKey := generateKey(t, "RSA", "", 2048)
skECKey := generateFakeSKKey(t, ecKey)
skEDKey := generateFakeSKKey(t, edKey)
type args struct {
pub interface{}
}
tests := []struct {
name string
args args
want crypto.PublicKey
wantErr bool
}{
{"ok ec", args{ecKey}, ecKey, false},
{"ok Ed25519", args{edKey}, edKey, false},
{"ok rsa", args{rsaKey}, rsaKey, false},
{"ok ssh ec", args{sshECKey}, ecKey, false},
{"ok ssh Ed25519", args{sshEDKey}, edKey, false},
{"ok ssh rsa", args{sshRSAKey}, rsaKey, false},
{"ok agent", args{&agent.Key{Blob: sshECKey.Marshal()}}, ecKey, false},
{"ok sk ec", args{skECKey}, ecKey, false},
{"ok sk Ed25519", args{skEDKey}, edKey, false},
{"fail agent", args{&agent.Key{Blob: []byte("foobar")}}, nil, true},
{"fail type", args{"not a key"}, nil, true},
{"fail sk", args{&skKey{typ: "foo"}}, nil, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := CryptoPublicKey(tt.args.pub)
if (err != nil) != tt.wantErr {
t.Errorf("CryptoPublicKey() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("CryptoPublicKey() = %v, want %v", got, tt.want)
}
})
}
}