Use chinese crypto

cert/cert_test.go

@@ -0,0 +1,39 @@
+package cert
+
+import (
+	"crypto/ecdsa"
+	"fmt"
+	"os"
+	"testing"
+)
+
+func TestCreateAndReadCert(t *testing.T) {
+	kFile := "service.key"
+	defer os.Remove(kFile)
+	key, err := NewPrivateKey()
+	if err != nil {
+		t.Errorf("failed to create private key: %v", err)
+	}
+
+	if err := WriteKey(kFile, EncodePrivateKeyPEM(key)); err != nil {
+		t.Errorf("failed to encode private key to pem: %v", err)
+	}
+
+	keyR, err := PrivateKeyFromFile(kFile)
+	if err != nil {
+		t.Errorf("failed to load private key from file: %v", err)
+	}
+
+	switch k := keyR.(type) {
+	case *ecdsa.PrivateKey:
+		fmt.Println("loaded back ecdsa private key")
+	default:
+		t.Errorf("load back a wrong private key %v", k)
+	}
+
+	buf := EncodePrivateKeyPEM(key)
+	_, err = ParsePrivateKeyPEM(buf)
+	if err != nil {
+		t.Errorf("failed to parse private key from pem: %v", err)
+	}
+}