add first batch of tests

1 files changed, 66 insertions, 0 deletions

diff --git a/private_key_test.go b/private_key_test.go
new file mode 100644
index 0000000..ad96928
--- /dev/null
+++ b/private_key_test.go
@@ -0,0 +1,66 @@
+package pki
+
+import (
+  "crypto/elliptic"
+  "encoding/pem"
+  "testing"
+)
+
+var (
+  SignatureMessage = []byte("foobar")
+)
+
+// run the marshal test
+func RunMarshalTest(pk_type string, pk Pemmer, label string, t *testing.T) ([]byte, error) {
+  marsh_pem, err := pk.MarshalPem()
+  if err != nil {
+    t.Errorf("%s: marshal pem not working: %s", pk_type, err)
+    return nil, err
+  }
+
+  block, _ := pem.Decode(marsh_pem)
+  if block.Type != label {
+    t.Errorf("%s: marshalled pem wrong: %s", pk_type, err)
+    return nil, err
+  }
+  return block.Bytes, nil
+}
+
+// test other private key functions
+func RunPrivateKeyTests(pk_type string, pk PrivateKey, t *testing.T) {
+  pu := pk.Public()
+
+  signature, err := pk.Sign(SignatureMessage)
+  if err != nil { t.Errorf("%s: error creating a signature: %s", pk_type, err) }
+
+  valid, err := pu.Verify(SignatureMessage, signature)
+  if err != nil { t.Errorf("%s: could not verify message: %s", pk_type, err) }
+  if !valid { t.Errorf("%s: signature invalid, but should be valid!", pk_type) }
+}
+
+// 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) }
+
+  block_bytes, err := RunMarshalTest("ecdsa", pk, PemLabelEcdsa, t)
+  if err != nil { return }
+
+  pk, err = LoadPrivateKeyEcdsa(block_bytes)
+  if err != nil { t.Errorf("ecdsa: pem content wrong: %s", err) }
+
+  RunPrivateKeyTests("ecdsa", pk, t)
+}
+
+func TestRsaFunctions(t *testing.T) {
+  pk, err := NewPrivateKeyRsa(2048)
+  if err != nil { t.Errorf("rsa: creating private key failed: %s", err) }
+
+  block_bytes, err := RunMarshalTest("rsa", pk, PemLabelRsa, t)
+  if err != nil { return }
+
+  pk, err = LoadPrivateKeyRsa(block_bytes)
+  if err != nil { t.Errorf("rsa: pem content wrong: %s", err) }
+
+  RunPrivateKeyTests("rsa", pk, t)
+}