1 files changed, 4 insertions, 3 deletions
diff --git a/base/java-tools/src/com/netscape/cmstools/PrettyPrintCert.java b/base/java-tools/src/com/netscape/cmstools/PrettyPrintCert.java
index fdb988dd5..a713fb5a3 100644
--- a/base/java-tools/src/com/netscape/cmstools/PrettyPrintCert.java
+++ b/base/java-tools/src/com/netscape/cmstools/PrettyPrintCert.java
@@ -80,7 +80,8 @@ public class PrettyPrintCert {
 
         BufferedReader inputCert = null;
         String encodedBASE64CertChunk = "";
-        String encodedBASE64Cert = "";
+        StringBuffer encodedBASE64Cert = new StringBuffer();
+
         byte decodedBASE64Cert[] = null;
         X509CertImpl cert = null;
         Locale aLocale = null;
@@ -153,7 +154,7 @@ public class PrettyPrintCert {
             while ((encodedBASE64CertChunk = inputCert.readLine()) != null) {
                 if (!(encodedBASE64CertChunk.startsWith(HEADER)) &&
                         !(encodedBASE64CertChunk.startsWith(TRAILER))) {
-                    encodedBASE64Cert += encodedBASE64CertChunk.trim();
+                    encodedBASE64Cert.append(encodedBASE64CertChunk.trim());
                 }
             }
         } catch (IOException e) {
@@ -173,7 +174,7 @@ public class PrettyPrintCert {
         // (5) Decode the ASCII BASE 64 certificate enclosed in the
         //     String() object into a BINARY BASE 64 byte[] object
 
-        decodedBASE64Cert = Utils.base64decode(encodedBASE64Cert);
+        decodedBASE64Cert = Utils.base64decode(encodedBASE64Cert.toString());
 
         // (6) Create an X509CertImpl() object from the BINARY BASE 64
         //     byte[] object