Refactor: move all logics into CertificationAuthority

Signed-off-by: Yuuta Liang <yuutaw@student.cs.ubc.ca>

1 files changed, 5 insertions, 9 deletions

diff --git a/src/main/ui/Utils.java b/src/main/ui/Utils.java
index 6841536..f653ffa 100644
--- a/src/main/ui/Utils.java
+++ b/src/main/ui/Utils.java
@@ -88,14 +88,10 @@ public final class Utils {
      * REQUIRES: desiredTag must be upper case and not empty.
      */
     public static String toPEM(Byte[] input, String tag) {
-        StringBuilder builder = new StringBuilder();
-        builder.append("-----BEGIN ");
-        builder.append(tag);
-        builder.append("-----\n");
-        builder.append(Base64.getEncoder().encodeToString(byteToByte(input)));
-        builder.append("\n-----END ");
-        builder.append(tag);
-        builder.append("-----");
-        return builder.toString();
+        return "-----BEGIN " + tag + "-----\n"
+                + Base64.getEncoder().encodeToString(byteToByte(input))
+                + "\n-----END "
+                + tag
+                + "-----";
     }
 }