fix issue when public key start with BEING PUBLIC KEY. closes #70

index.js

@@ -108,9 +108,11 @@ module.exports.verify = function(jwtString, secretOrPublicKey, options, callback
   }
 
   if (!options.algorithms) {
-    options.algorithms = ~secretOrPublicKey.toString().indexOf('BEGIN CERTIFICATE') ?
-                        [ 'RS256','RS384','RS512','ES256','ES384','ES512' ] :
-                        [ 'HS256','HS384','HS512' ];
+    options.algorithms = ~secretOrPublicKey.toString().indexOf('BEGIN CERTIFICATE') ||
+                         ~secretOrPublicKey.toString().indexOf('BEGIN PUBLIC KEY') ?
+                          [ 'RS256','RS384','RS512','ES256','ES384','ES512' ] :
+                          [ 'HS256','HS384','HS512' ];
+
   }
 
   var valid;

test/issue_70.tests.js

@@ -0,0 +1,15 @@
+var jwt = require('../');
+
+describe('issue 70 - public key start with BEING PUBLIC KEY', function () {
+
+  it('should work', function (done) {
+    var fs = require('fs');
+    var cert_pub = fs.readFileSync(__dirname + '/rsa-public.pem');
+    var cert_priv = fs.readFileSync(__dirname + '/rsa-private.pem');
+
+    var token = jwt.sign({ foo: 'bar' }, cert_priv, { algorithm: 'RS256'});
+
+    jwt.verify(token, cert_pub, done);
+  });
+
+});

test/rsa-private.pem

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----

test/rsa-public.pem

@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvzoCEC2rpSpJQaWZbUml
+sDNwp83Jr4fi6KmBWIwnj1MZ6CUQ7rBasuLI8AcfX5/10scSfQNCsTLV2tMKQaHu
+vyrVfwY0dINk+nkqB74QcT2oCCH9XduJjDuwWA4xLqAKuF96FsIes52opEM50W7/
+W7DZCKXkC8fFPFj6QF5ZzApDw2Qsu3yMRmr7/W9uWeaTwfPx24YdY7Ah+fdLy3KN
+40vXv9c4xiSafVvnx9BwYL7H1Q8NiK9LGEN6+JSWfgckQCs6UUBOXSZdreNN9zbQ
+Cwyzee7bOJqXUDAuLcFARzPw1EsZAyjVtGCKIQ0/btqK+jFunT2NBC8RItanDZpp
+tQIDAQAB
+-----END PUBLIC KEY-----