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|
package pki
import (
"bytes"
"crypto"
"crypto/elliptic"
"encoding/pem"
"testing"
)
var (
SignatureMessage = []byte("foobar")
SignatureHash = crypto.SHA512
)
type (
Loader func(raw []byte) (PublicKey, error)
)
// run the marshal test
func RunMarshalTest(pkType string, pe Pemmer, label string, t *testing.T) ([]byte, error) {
marshPem, err := pe.MarshalPem()
if err != nil {
t.Errorf("%s: marshal pem not working: %s", pkType, err)
return nil, err
}
buf := &bytes.Buffer{}
marshPem.WriteTo(buf)
block, _ := pem.Decode(buf.Bytes())
if block.Type != label {
t.Errorf("%s: marshalled pem wrong: %s", pkType, err)
return nil, err
}
return block.Bytes, nil
}
// test other private key functions
func RunPrivateKeyTests(pkType string, pk PrivateKey, pu PublicKey, t *testing.T) {
signature, err := pk.Sign(SignatureMessage, SignatureHash)
if err != nil {
t.Errorf("%s: error creating a signature: %s", pkType, err)
}
valid, err := pu.Verify(SignatureMessage, signature, SignatureHash)
if err != nil {
t.Errorf("%s: could not verify message: %s", pkType, err)
}
if !valid {
t.Errorf("%s: signature invalid, but should be valid!", pkType)
}
}
// test ecdsa private key functions
func TestEcdsaFunctions(t *testing.T) {
pk, err := NewPrivateKeyEcdsa(elliptic.P521())
if err != nil {
t.Errorf("ecdsa: creating private key failed: %s", err)
return
}
blockBytes, err := RunMarshalTest("ecdsa", pk, PemLabelEcdsa, t)
if err != nil {
return
}
pk, err = LoadPrivateKeyEcdsa(blockBytes)
if err != nil {
t.Errorf("ecdsa: pem content wrong: %s", err)
return
}
blockBytes, err = RunMarshalTest("ecdsa-public", pk.Public(), PemLabelPublic, t)
if err != nil {
return
}
pu, err := LoadPublicKeyEcdsa(blockBytes)
if err != nil {
t.Errorf("ecdsa-public: pem content wrong: %s", err)
return
}
RunPrivateKeyTests("ecdsa", pk, pu, t)
}
// test rsa private key functions
func TestRsaFunctions(t *testing.T) {
pk, err := NewPrivateKeyRsa(2048)
if err != nil {
t.Errorf("rsa: creating private key failed: %s", err)
return
}
blockBytes, err := RunMarshalTest("rsa", pk, PemLabelRsa, t)
if err != nil {
return
}
pk, err = LoadPrivateKeyRsa(blockBytes)
if err != nil {
t.Errorf("rsa: pem content wrong: %s", err)
return
}
blockBytes, err = RunMarshalTest("rsa-public", pk.Public(), PemLabelPublic, t)
if err != nil {
return
}
pu, err := LoadPublicKeyRsa(blockBytes)
if err != nil {
t.Errorf("rsa-public: pem content wrong: %s", err)
return
}
RunPrivateKeyTests("rsa", pk, pu, t)
}
// test rsa private key functions
func TestEd25519Functions(t *testing.T) {
pk, err := NewPrivateKeyEd25519()
if err != nil {
t.Errorf("ed25519: creating private key failed: %s", err)
return
}
blockBytes, err := RunMarshalTest("ed25519", pk, PemLabelEd25519, t)
if err != nil {
return
}
pk, err = LoadPrivateKeyEd25519(blockBytes)
if err != nil {
t.Errorf("ed25519: pem content wrong: %s", err)
return
}
blockBytes, err = RunMarshalTest("ed25519-public", pk.Public(), PemLabelPublic, t)
if err != nil {
return
}
pu, err := LoadPublicKeyEd25519(blockBytes)
if err != nil {
t.Errorf("ed25519-public: pem content wrong: %s", err)
return
}
RunPrivateKeyTests("ed25519", pk, pu, t)
}
|
