catch err

crypto.go

@@ -22,6 +22,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"log"
 	"math/big"
 	mathrand "math/rand"
 	"os"
@@ -141,7 +142,11 @@ func Encrypt(c *Conf, filename string) error {
 	if err != nil {
 		return err
 	}
-	defer outfile.Close()
+	defer func() {
+		if err := outfile.Close(); err != nil {
+			log.Fatal(err)
+		}
+	}()
 
 	key, err := GetRandomKey()
 	if err != nil {