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|
package cms
import (
"crypto/x509"
"encoding/pem"
"io/ioutil"
"os"
"os/exec"
"testing"
"time"
)
var (
examplePrivateKey = leaf.PrivateKey
exampleChain = leaf.Chain()
)
func TestSign(t *testing.T) {
data := []byte("hello, world!")
ci, err := Sign(data, leaf.Chain(), leaf.PrivateKey)
if err != nil {
t.Fatal(err)
}
sd2, err := ParseSignedData(ci)
if err != nil {
t.Fatal(err)
}
if _, err = sd2.Verify(rootOpts); err != nil {
t.Fatal(err)
}
// test that we're including whole chain in sd
sdCerts, err := sd2.psd.X509Certificates()
if err != nil {
t.Fatal(err)
}
for _, chainCert := range leaf.Chain() {
var found bool
for _, sdCert := range sdCerts {
if sdCert.Equal(chainCert) {
if found == true {
t.Fatal("duplicate cert in sd")
}
found = true
}
}
if !found {
t.Fatal("missing cert in sd")
}
}
// check that we're including signing time attribute
st, err := sd2.psd.SignerInfos[0].GetSigningTimeAttribute()
if st.After(time.Now().Add(time.Second)) || st.Before(time.Now().Add(-time.Second)) {
t.Fatal("expected SigningTime to be now. Difference was", st.Sub(time.Now()))
}
}
func TestSignDetached(t *testing.T) {
data := []byte("hello, world!")
ci, err := SignDetached(data, leaf.Chain(), leaf.PrivateKey)
if err != nil {
t.Fatal(err)
}
sd2, err := ParseSignedData(ci)
if err != nil {
t.Fatal(err)
}
if _, err = sd2.VerifyDetached(data, rootOpts); err != nil {
t.Fatal(err)
}
// test that we're including whole chain in sd
sdCerts, err := sd2.psd.X509Certificates()
if err != nil {
t.Fatal(err)
}
for _, chainCert := range leaf.Chain() {
var found bool
for _, sdCert := range sdCerts {
if sdCert.Equal(chainCert) {
if found == true {
t.Fatal("duplicate cert in sd")
}
found = true
}
}
if !found {
t.Fatal("missing cert in sd")
}
}
// check that we're including signing time attribute
st, err := sd2.psd.SignerInfos[0].GetSigningTimeAttribute()
if st.After(time.Now().Add(time.Second)) || st.Before(time.Now().Add(-time.Second)) {
t.Fatal("expected SigningTime to be now. Difference was", st.Sub(time.Now()))
}
}
func TestSignDetachedWithOpenSSL(t *testing.T) {
// Do not require this test to pass if openssl is not in the path
opensslPath, err := exec.LookPath("openssl")
if err != nil {
t.Skip("could not find openssl in path")
}
content := []byte("hello, world!")
signatureDER, err := SignDetached(content, leaf.Chain(), leaf.PrivateKey)
if err != nil {
t.Fatal(err)
}
signatureFile, err := ioutil.TempFile("", "TestSignatureOpenSSL_signatureFile_*")
if err != nil {
t.Fatal(err)
}
_, err = signatureFile.Write(signatureDER)
if err != nil {
t.Fatal(err)
}
signatureFile.Close()
// write content to a temp file
contentFile, err := ioutil.TempFile("", "TestSignatureOpenSSL_contentFile_*")
if err != nil {
t.Fatal(err)
}
_, err = contentFile.Write(content)
if err != nil {
t.Fatal(err)
}
contentFile.Close()
// write CA cert to a temp file
certsFile, err := ioutil.TempFile("", "TestSignatureOpenSSL_certsFile_*")
if err != nil {
t.Fatal(err)
}
for _, cert := range leaf.Chain() {
// write leaf as PEM
certBlock := &pem.Block{
Type: "CERTIFICATE",
Bytes: cert.Raw,
}
certPEM := pem.EncodeToMemory(certBlock)
_, err = certsFile.Write(certPEM)
if err != nil {
t.Fatal(err)
}
}
certsFile.Close()
cmd := exec.Command(opensslPath, "cms", "-verify",
"-content", contentFile.Name(), "-binary",
"-in", signatureFile.Name(), "-inform", "DER",
"-CAfile", certsFile.Name())
_, err = cmd.CombinedOutput()
if err != nil {
t.Fatal(err)
}
//
// Remove temporary files if test was successful.
// Intentionally leave the temp files if test fails.
//
os.Remove(contentFile.Name())
os.Remove(signatureFile.Name())
os.Remove(certsFile.Name())
}
func TestSignRemoveHeaders(t *testing.T) {
sd, err := NewSignedData([]byte("hello, world"))
if err != nil {
t.Fatal(err)
}
if err = sd.Sign(leaf.Chain(), leaf.PrivateKey); err != nil {
t.Fatal(err)
}
if err = sd.SetCertificates([]*x509.Certificate{}); err != nil {
t.Fatal(err)
}
if certs, err := sd.GetCertificates(); err != nil {
t.Fatal(err)
} else if len(certs) != 0 {
t.Fatal("expected 0 certs")
}
der, err := sd.ToDER()
if err != nil {
t.Fatal(err)
}
if sd, err = ParseSignedData(der); err != nil {
t.Fatal(err)
}
sd.SetCertificates([]*x509.Certificate{leaf.Certificate})
opts := x509.VerifyOptions{
Roots: root.ChainPool(),
Intermediates: leaf.ChainPool(),
}
if _, err := sd.Verify(opts); err != nil {
t.Fatal(err)
}
}
|
