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// Copyright 2022 The Sigstore Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package signer
import (
"crypto"
"crypto/ecdsa"
"crypto/ed25519"
"crypto/elliptic"
"crypto/rand"
"crypto/rsa"
"encoding/pem"
"os"
"path/filepath"
"testing"
"go.step.sm/crypto/pemutil"
)
func TestNewFileSigner(t *testing.T) {
td := t.TempDir()
password := "password1!"
_, ed25519Key, _ := ed25519.GenerateKey(rand.Reader)
pemED25519, _ := pemutil.Serialize(ed25519Key, pemutil.WithPassword([]byte(password)))
ed25519KeyFile := filepath.Join(td, "ed25519-key.pem")
if err := os.WriteFile(ed25519KeyFile, pem.EncodeToMemory(pemED25519), 0644); err != nil {
t.Fatal(err)
}
ecdsaKey, _ := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
pemECDSA, _ := pemutil.Serialize(ecdsaKey, pemutil.WithPassword([]byte(password)))
ecdsaKeyFile := filepath.Join(td, "ecdsa-key.pem")
if err := os.WriteFile(ecdsaKeyFile, pem.EncodeToMemory(pemECDSA), 0644); err != nil {
t.Fatal(err)
}
rsaKey, _ := rsa.GenerateKey(rand.Reader, 4096)
pemRSA, _ := pemutil.Serialize(rsaKey, pemutil.WithPassword([]byte(password)))
rsaKeyFile := filepath.Join(td, "rsa-key.pem")
if err := os.WriteFile(rsaKeyFile, pem.EncodeToMemory(pemRSA), 0644); err != nil {
t.Fatal(err)
}
tests := []struct {
name string
keyPath string
keyPass string
wantErr bool
}{
{
name: "valid ECDSA",
keyPath: ecdsaKeyFile,
keyPass: password,
wantErr: false,
},
{
name: "valid RSA",
keyPath: rsaKeyFile,
keyPass: password,
wantErr: false,
},
{
name: "valid ed25519",
keyPath: ed25519KeyFile,
keyPass: password,
wantErr: false,
},
{
name: "invalid password",
keyPath: ecdsaKeyFile,
keyPass: "123",
wantErr: true,
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
tc := tc
_, err := NewFileSigner(tc.keyPath, tc.keyPass, crypto.SHA256)
if tc.wantErr != (err != nil) {
t.Errorf("NewFileSigner() expected %t, got err %s", tc.wantErr, err)
}
})
}
}
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