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package sign
import (
"bytes"
"crypto/rsa"
"crypto/x509"
"encoding/pem"
"io"
"math/rand"
"strings"
"testing"
)
func generatePEM(randReader io.Reader, password []byte) (buf *bytes.Buffer, err error) {
k, err := rsa.GenerateKey(randReader, 1024)
if err != nil {
return nil, err
}
derBytes := x509.MarshalPKCS1PrivateKey(k)
var block *pem.Block
if password != nil {
block, err = x509.EncryptPEMBlock(randReader, "RSA PRIVATE KEY", derBytes, password, x509.PEMCipherAES128)
} else {
block = &pem.Block{
Type: "RSA PRIVATE KEY",
Bytes: derBytes,
}
}
buf = &bytes.Buffer{}
err = pem.Encode(buf, block)
return buf, err
}
func TestLoadPemPrivKey(t *testing.T) {
reader, err := generatePEM(newRandomReader(rand.New(rand.NewSource(1))), nil)
if err != nil {
t.Errorf("Unexpected pem generation err %s", err.Error())
}
privKey, err := LoadPEMPrivKey(reader)
if err != nil {
t.Errorf("Unexpected key load error, %s", err.Error())
}
if privKey == nil {
t.Errorf("Expected valid privKey, but got nil")
}
}
func TestLoadPemPrivKeyInvalidPEM(t *testing.T) {
reader := strings.NewReader("invalid PEM data")
privKey, err := LoadPEMPrivKey(reader)
if err == nil {
t.Errorf("Expected error invalid PEM data error")
}
if privKey != nil {
t.Errorf("Expected nil privKey but got %#v", privKey)
}
}
func TestLoadEncryptedPEMPrivKey(t *testing.T) {
reader, err := generatePEM(newRandomReader(rand.New(rand.NewSource(1))), []byte("password"))
if err != nil {
t.Errorf("Unexpected pem generation err %s", err.Error())
}
privKey, err := LoadEncryptedPEMPrivKey(reader, []byte("password"))
if err != nil {
t.Errorf("Unexpected key load error, %s", err.Error())
}
if privKey == nil {
t.Errorf("Expected valid privKey, but got nil")
}
}
func TestLoadEncryptedPEMPrivKeyWrongPassword(t *testing.T) {
reader, err := generatePEM(newRandomReader(rand.New(rand.NewSource(1))), []byte("password"))
privKey, err := LoadEncryptedPEMPrivKey(reader, []byte("wrong password"))
if err == nil {
t.Errorf("Expected error invalid PEM data error")
}
if privKey != nil {
t.Errorf("Expected nil privKey but got %#v", privKey)
}
}
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