diff --git a/phpseclib/Crypt/RSA.php b/phpseclib/Crypt/RSA.php
index 5fe34bd4..3373efa6 100644
--- a/phpseclib/Crypt/RSA.php
+++ b/phpseclib/Crypt/RSA.php
@@ -813,11 +813,11 @@ class Crypt_RSA {
                                      "Proc-Type: 4,ENCRYPTED\r\n" .
                                      "DEK-Info: DES-EDE3-CBC,$iv\r\n" .
                                      "\r\n" .
-                                     chunk_split(base64_encode($des->encrypt($RSAPrivateKey))) .
+                                     chunk_split(base64_encode($des->encrypt($RSAPrivateKey)), 64) .
                                      '-----END RSA PRIVATE KEY-----';
                 } else {
                     $RSAPrivateKey = "-----BEGIN RSA PRIVATE KEY-----\r\n" .
-                                     chunk_split(base64_encode($RSAPrivateKey)) .
+                                     chunk_split(base64_encode($RSAPrivateKey), 64) .
                                      '-----END RSA PRIVATE KEY-----';
                 }
 
@@ -884,7 +884,7 @@ class Crypt_RSA {
                 }
 
                 $RSAPublicKey = "-----BEGIN PUBLIC KEY-----\r\n" .
-                                 chunk_split(base64_encode($RSAPublicKey)) .
+                                 chunk_split(base64_encode($RSAPublicKey), 64) .
                                  '-----END PUBLIC KEY-----';
 
                 return $RSAPublicKey;
diff --git a/phpseclib/Crypt/Random.php b/phpseclib/Crypt/Random.php
index 557742a3..55df0bde 100644
--- a/phpseclib/Crypt/Random.php
+++ b/phpseclib/Crypt/Random.php
@@ -117,7 +117,9 @@ function crypt_random_string($length) {
     // on the data sent by all users. one user requests the page and a hash of their info is saved.
     // another user visits the page and the serialization of their data is utilized along with the
     // server envirnment stuff and a hash of the previous http request data (which itself utilizes
-    // a hash of the session data before that).
+    // a hash of the session data before that). certainly an attacker should be assumed to have
+    // full control over his own http requests. he, however, is not going to have control over
+    // everyone's http requests.
     static $crypto = false, $v;
     if ($crypto === false) {
         // save old session data
diff --git a/phpseclib/File/X509.php b/phpseclib/File/X509.php
index acf13726..5f42783d 100644
--- a/phpseclib/File/X509.php
+++ b/phpseclib/File/X509.php
@@ -1524,7 +1524,7 @@ class File_X509 {
                 return $cert;
             // case FILE_X509_FORMAT_PEM:
             default:
-                return "-----BEGIN CERTIFICATE-----\r\n" . chunk_split(base64_encode($cert)) . '-----END CERTIFICATE-----';
+                return "-----BEGIN CERTIFICATE-----\r\n" . chunk_split(base64_encode($cert), 64) . '-----END CERTIFICATE-----';
         }
     }
 
@@ -2150,7 +2150,7 @@ class File_X509 {
                     // subjectPublicKey is stored as a bit string in X.509 certs.  the first byte of a bit string represents how many bits
                     // in the last byte should be ignored.  the following only supports non-zero stuff but as none of the X.509 certs Firefox
                     // uses as a cert authority actually use a non-zero bit I think it's safe to assume that none do.
-                    chunk_split(base64_encode(substr(base64_decode($key), 1))) .
+                    chunk_split(base64_encode(substr(base64_decode($key), 1)), 64) .
                     '-----END PUBLIC KEY-----';
             default:
                 return $key;
@@ -2877,7 +2877,7 @@ class File_X509 {
                 return $csr;
             // case FILE_X509_FORMAT_PEM:
             default:
-                return "-----BEGIN CERTIFICATE REQUEST-----\r\n" . chunk_split(base64_encode($csr)) . '-----END CERTIFICATE REQUEST-----';
+                return "-----BEGIN CERTIFICATE REQUEST-----\r\n" . chunk_split(base64_encode($csr), 64) . '-----END CERTIFICATE REQUEST-----';
         }
     }
 
@@ -2991,7 +2991,7 @@ class File_X509 {
                 return $crl;
             // case FILE_X509_FORMAT_PEM:
             default:
-                return "-----BEGIN X509 CRL-----\r\n" . chunk_split(base64_encode($crl)) . '-----END X509 CRL-----';
+                return "-----BEGIN X509 CRL-----\r\n" . chunk_split(base64_encode($crl), 64) . '-----END X509 CRL-----';
         }
     }