2 files changed, 54 insertions, 4 deletions

diff --git a/examples/cert.go b/examples/cert.go
index d6ab53b..7d3597d 100644
--- a/examples/cert.go
+++ b/examples/cert.go
@@ -4,6 +4,7 @@ package main
 
 import (
 	"log"
+	"os"
 	"time"
 
 	"git.sr.ht/~adnano/gmi"
@@ -11,14 +12,38 @@ import (
 
 func main() {
 	host := "localhost"
-
-	duration := 2 * time.Minute
+	duration := 365 * 24 * time.Hour
 	crt, key, err := gmi.NewRawCertificate(host, duration)
 	if err != nil {
 		log.Fatal(err)
 	}
 
-	if err := gmi.WriteX509KeyPair(host, crt, key); err != nil {
+	if err := writeX509KeyPair(host, crt, key); err != nil {
 		log.Fatal(err)
 	}
 }
+
+// writeX509KeyPair writes the provided certificate and private key
+// to path.crt and path.key respectively.
+func writeX509KeyPair(path string, crt, key []byte) error {
+	// Write the certificate
+	crtPath := path + ".crt"
+	crtOut, err := os.OpenFile(crtPath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
+	if err != nil {
+		return err
+	}
+	if _, err := crtOut.Write(crt); err != nil {
+		return err
+	}
+
+	// Write the private key
+	keyPath := path + ".key"
+	keyOut, err := os.OpenFile(keyPath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
+	if err != nil {
+		return err
+	}
+	if _, err := keyOut.Write(key); err != nil {
+		return err
+	}
+	return nil
+}
diff --git a/examples/server.go b/examples/server.go
index 4feb090..5892e16 100644
--- a/examples/server.go
+++ b/examples/server.go
@@ -28,7 +28,7 @@ func main() {
 					return nil
 				}
 				// Store and return the new certificate
-				err = gmi.WriteX509KeyPair("/var/lib/gemini/certs/"+hostname, crt, key)
+				err = writeX509KeyPair("/var/lib/gemini/certs/"+hostname, crt, key)
 				if err != nil {
 					return nil
 				}
@@ -51,3 +51,28 @@ func main() {
 		log.Fatal(err)
 	}
 }
+
+// writeX509KeyPair writes the provided certificate and private key
+// to path.crt and path.key respectively.
+func writeX509KeyPair(path string, crt, key []byte) error {
+	// Write the certificate
+	crtPath := path + ".crt"
+	crtOut, err := os.OpenFile(crtPath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
+	if err != nil {
+		return err
+	}
+	if _, err := crtOut.Write(crt); err != nil {
+		return err
+	}
+
+	// Write the private key
+	keyPath := path + ".key"
+	keyOut, err := os.OpenFile(keyPath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
+	if err != nil {
+		return err
+	}
+	if _, err := keyOut.Write(key); err != nil {
+		return err
+	}
+	return nil
+}