diff options
Diffstat (limited to 'lib/SAML2')
-rw-r--r-- | lib/SAML2/Utils.php | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/SAML2/Utils.php b/lib/SAML2/Utils.php index 99f899b..1eccf75 100644 --- a/lib/SAML2/Utils.php +++ b/lib/SAML2/Utils.php @@ -398,9 +398,13 @@ class SAML2_Utils { SimpleSAML_Logger::error('Failed to decrypt symmetric key: ' . $e->getMessage()); /* Create a replacement key, so that it looks like we fail in the same way as if the key was correctly padded. */ - /* We base the symmetric key on the encrypted key, so that we always behave the same way for a given input key. */ + /* We base the symmetric key on the encrypted key and private key, so that we always behave the + * same way for a given input key. + */ $encryptedKey = $encKey->getCipherValue(); - $key = md5($encryptedKey, TRUE); + $pkey = openssl_pkey_get_details($symmetricKeyInfo->key); + $pkey = sha1(serialize($pkey), TRUE); + $key = sha1($encryptedKey . $pkey, TRUE); /* Make sure that the key has the correct length. */ if (strlen($key) > $keySize) { @@ -431,7 +435,7 @@ class SAML2_Utils { */ $xml = '<root xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">'.$decrypted.'</root>'; $newDoc = new DOMDocument(); - if (!$newDoc->loadXML($xml)) { + if (!@$newDoc->loadXML($xml)) { throw new Exception('Failed to parse decrypted XML. Maybe the wrong sharedkey was used?'); } $decryptedElement = $newDoc->firstChild->firstChild; |