diff --git a/lib/openpgp.php b/lib/openpgp.php
index 04a1009..d529ef2 100644
--- a/lib/openpgp.php
+++ b/lib/openpgp.php
@@ -182,7 +182,7 @@ class OpenPGP_Message implements IteratorAggregate, ArrayAccess {
         $i++;
       }
       if($p instanceof OpenPGP_LiteralDataPacket) $data_packet = $p;
-      if($signature_packet && $data_packet) break;
+      if(isset($signature_packet) && isset($data_packet)) break;
     }
 
     return array($signature_packet, $data_packet);
diff --git a/lib/openpgp_crypt_rsa.php b/lib/openpgp_crypt_rsa.php
index 8cf4495..1e9456b 100644
--- a/lib/openpgp_crypt_rsa.php
+++ b/lib/openpgp_crypt_rsa.php
@@ -56,7 +56,7 @@ class OpenPGP_Crypt_RSA {
       $key = $this->public_key($signature_packet->issuer());
       if(!$key || $signature_packet->key_algorithm_name() != 'RSA') return NULL;
       $key->setHash(strtolower($signature_packet->hash_algorithm_name()));
-      return $packet->verify(array('RSA' => array($signature_packet->hash_algorithm_name() => array($key, 'verify'))));
+      return $packet->verify(array('RSA' => array($signature_packet->hash_algorithm_name() => function($m, $s)  use($key) {return $key->verify($m, $s[0]);})));
     } else {
       list($signature_packet, $data_packet) = $this->message->signature_and_data($index);
       if(!$this->message || $signature_packet->key_algorithm_name() != 'RSA') return NULL;
@@ -65,7 +65,7 @@ class OpenPGP_Crypt_RSA {
         $packet = $packet->public_key($signature_packet->issuer());
       }
       $packet->setHash(strtolower($signature_packet->hash_algorithm_name()));
-      return $this->message->verify(array('RSA' => array($signature_packet->hash_algorithm_name() => array($packet, 'verify'))));
+      return $this->message->verify(array('RSA' => array($signature_packet->hash_algorithm_name() => function($m, $s) use($packet) {return $packet->verify($m, $s[0]);})));
     }
   }
 
@@ -141,11 +141,12 @@ class OpenPGP_Crypt_RSA {
 
   static function crypt_rsa_key($mod, $exp, $hash='SHA256') {
     $rsa = new Crypt_RSA();
-    $rsa->signatureMode = CRYPT_RSA_SIGNATURE_PKCS1;
+    $rsa->setSignatureMode(CRYPT_RSA_SIGNATURE_PKCS1);
     $rsa->setHash(strtolower($hash));
     $rsa->modulus = new Math_BigInteger($mod, 256);
     $rsa->k = strlen($rsa->modulus->toBytes());
     $rsa->exponent = new Math_BigInteger($exp, 256);
+    $rsa->setPublicKey();
     return $rsa;
   }
 
diff --git a/phpunit.xml b/phpunit.xml
index 00cfad3..8049722 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -1,11 +1,15 @@
 <phpunit>
-	<testsuites>
-		<testsuite name="Serialization">
-			<file>tests/suite.php</file>
-		</testsuite>
+  <testsuites>
+    <testsuite name="Serialization">
+      <file>tests/suite.php</file>
+    </testsuite>
 
-		<testsuite name="Fingerprint">
-			<file>tests/suite.php</file>
-		</testsuite>
-	</testsuites>
+    <testsuite name="Fingerprint">
+      <file>tests/suite.php</file>
+    </testsuite>
+
+    <testsuite name="MessageVerification">
+      <file>tests/phpseclib_suite.php</file>
+    </testsuite>
+  </testsuites>
 </phpunit>
diff --git a/tests/data/pubring.gpg b/tests/data/pubring.gpg
index a1519ee..56e0599 100644
Binary files a/tests/data/pubring.gpg and b/tests/data/pubring.gpg differ
diff --git a/tests/data/secring.gpg b/tests/data/secring.gpg
index 1359875..9e43912 100644
Binary files a/tests/data/secring.gpg and b/tests/data/secring.gpg differ
diff --git a/tests/phpseclib_suite.php b/tests/phpseclib_suite.php
new file mode 100644
index 0000000..4f23a84
--- /dev/null
+++ b/tests/phpseclib_suite.php
@@ -0,0 +1,41 @@
+<?php
+
+/* The tests which require phpseclib */
+
+require_once dirname(__FILE__).'/../lib/openpgp.php';
+require_once dirname(__FILE__).'/../lib/openpgp_crypt_rsa.php';
+
+class MessageVerification extends PHPUnit_Framework_TestCase {
+  public function oneMessageRSA($pkey, $path) {
+    $pkeyM = OpenPGP_Message::parse(file_get_contents(dirname(__FILE__) . '/data/' . $pkey));
+    $m = OpenPGP_Message::parse(file_get_contents(dirname(__FILE__) . '/data/' . $path));
+    $verify = new OpenPGP_Crypt_RSA($pkeyM);
+    $this->assertSame($verify->verify($m), TRUE);
+  }
+
+  public function testUncompressedOpsRSA() {
+    $this->oneMessageRSA('pubring.gpg', 'uncompressed-ops-rsa.gpg');
+  }
+
+  public function testCompressedSig() {
+    $this->oneMessageRSA('pubring.gpg', 'compressedsig.gpg');
+  }
+
+  public function testCompressedSigZLIB() {
+    $this->oneMessageRSA('pubring.gpg', 'compressedsig-zlib.gpg');
+  }
+
+  public function testCompressedSigBzip2() {
+    $this->oneMessageRSA('pubring.gpg', 'compressedsig-bzip2.gpg');
+  }
+
+/*
+  public function testUncompressedOpsDSA() {
+    $this->oneMessageDSA('pubring.gpg', 'uncompressed-ops-dsa.gpg');
+  }
+
+  public function testUncompressedOpsDSAsha384() {
+    $this->oneMessageDSA('pubring.gpg', 'uncompressed-ops-dsa-sha384.gpg');
+  }
+*/
+}
diff --git a/tests/suite.php b/tests/suite.php
index 1fabf72..b417098 100644
--- a/tests/suite.php
+++ b/tests/suite.php
@@ -1,6 +1,6 @@
 <?php
 
-require dirname(__FILE__).'/../lib/openpgp.php';
+require_once dirname(__FILE__).'/../lib/openpgp.php';
 
 class Serialization extends PHPUnit_Framework_TestCase {
   public function oneSerialization($path) {