diff --git a/smack-openpgp/src/test/java/org/jivesoftware/smackx/ox/TestKeys.java b/smack-openpgp/src/test/java/org/jivesoftware/smackx/ox/TestKeys.java
new file mode 100644
index 000000000..731bfc948
--- /dev/null
+++ b/smack-openpgp/src/test/java/org/jivesoftware/smackx/ox/TestKeys.java
@@ -0,0 +1,142 @@
+/**
+ *
+ * Copyright 2018 Paul Schaub.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.jivesoftware.smackx.ox;
+
+public class TestKeys {
+
+    public static final String JULIET_UID = "xmpp:juliet@capulet.lit";
+
+    /**
+     * Public key of xmpp:juliet@capulet.lit.
+     */
+    public static final String JULIET_PUB = "" +
+            "-----BEGIN PGP PUBLIC KEY BLOCK-----\n" +
+            "\n" +
+            "mQENBFrxov4BCAChZwPrBxxIlwzpieR5T2pnaOZLWH0WqSON6rVjvfbJHWdDi3Th\n" +
+            "remHW4gg4IBSTXkVFDIeQNVcOvGNgMg3Oe/x0I6FK12jrw9prycmjFxQ7A0ix7ZG\n" +
+            "UkTF5jITgzJbkH100gYfXtZsfTyvgISSAT//6vvvQPZ3zCr09XvAG0CyQ1BhULsv\n" +
+            "mVRe4Oh5b0VK4kLdv+GiA/T+49UKZj6lne9Vdti16ZIj7teVCbicfdhpTzsjur42\n" +
+            "r8ptouKAuyFPw9KnGNwVlIiv5jt/Kit/LoOBenh74sitsCXq8IQ9kKp/eNt8TF4u\n" +
+            "D4IGpxnJfB8XCiixYHoFEajmQBVJXNYtvoPvABEBAAG0F3htcHA6anVsaWV0QGNh\n" +
+            "cHVsZXQubGl0iQFOBBMBCAA4FiEEHQGMdy34xe+GodzJtLUJy1k24D4FAlrxov4C\n" +
+            "Gy8FCwkIBwIGFQoJCAsCBBYCAwECHgECF4AACgkQtLUJy1k24D6H7AgAoTjx4ezc\n" +
+            "A83NeOY3tMHVQTM7hKuy0wMcSzQgVgJmhLYRZS8r+FocPZua/eke49GPhe2yozvl\n" +
+            "ByWHtotklQeJiwOKxuPKMzneVA1ZK3/9LdGvtZlHMcAkEKDhit8HIaEcsFd4Z1re\n" +
+            "EhF2lyvY/E+rrx9YxV0QjisSWV2dSptv6FeGSztr9e5E+Head6hEQhsugiTVRF+1\n" +
+            "6mG90te0WGQ9YNiJ2FJovx5kBLTTuhwUz8Oacqihd2+RDDI5p3wJoogVL31aNb4n\n" +
+            "c7dGo8ieJPHGlkBsOfmreSxijTodZz9MXsgcx7b//u0uQryViJoZHWbtnXOFjjNc\n" +
+            "GWBtS084NKWl9w==\n" +
+            "=ecwX\n" +
+            "-----END PGP PUBLIC KEY BLOCK-----";
+
+    /**
+     * Private key of xmpp:juliet@capulet.lit.
+     */
+    public static final String JULIET_PRIV = "" +
+            "-----BEGIN PGP PRIVATE KEY BLOCK-----\n" +
+            "\n" +
+            "lQOYBFrxov4BCAChZwPrBxxIlwzpieR5T2pnaOZLWH0WqSON6rVjvfbJHWdDi3Th\n" +
+            "remHW4gg4IBSTXkVFDIeQNVcOvGNgMg3Oe/x0I6FK12jrw9prycmjFxQ7A0ix7ZG\n" +
+            "UkTF5jITgzJbkH100gYfXtZsfTyvgISSAT//6vvvQPZ3zCr09XvAG0CyQ1BhULsv\n" +
+            "mVRe4Oh5b0VK4kLdv+GiA/T+49UKZj6lne9Vdti16ZIj7teVCbicfdhpTzsjur42\n" +
+            "r8ptouKAuyFPw9KnGNwVlIiv5jt/Kit/LoOBenh74sitsCXq8IQ9kKp/eNt8TF4u\n" +
+            "D4IGpxnJfB8XCiixYHoFEajmQBVJXNYtvoPvABEBAAEAB/4jMbXagW3q7DkOEZnm\n" +
+            "0+jVTLvu0QhRsScGEphj+++8sfMq+NVPQp9p+w0Hcjy49ZjB/mnhS+zaVCYI33yJ\n" +
+            "AlKubXYuVqLwBsO7HUzRrIiSwq4ol9jIo7bIWmYv+As6iRq6JvPb0k+6T2K0uDbw\n" +
+            "KWKduM0fwhAcVkJFsOO/o5GrbQaJc3oioFk8uFWTnO+FPBRTJ9oTlVG2M/tEatZK\n" +
+            "gl7I8Ukl0YYruCNUFKZ0tvO8HqulxBgUbGPBer1uOlfUD4RXdc8/PUiFKNo48XSu\n" +
+            "ZUEAZKGbFBjuX5Z8ha7+sUMEYEt70qlbkiLQxgHKAmpyridAk3q/SB3y2VB8Ik7I\n" +
+            "gpExBADInzLROYuUcXqmty+znVwm6nRIB75JBAy778zgIxx1v0O3QlVnR+YI8gJM\n" +
+            "mQ/9pD6LyP9hktWDmJxG8tX+kSuIp3wNJc5EMeXtCCmkUW0CP1gUhAbNW3MezKa5\n" +
+            "II5IhE9RgIsYqSU8ZgeIh72ON8XTp8i/wGipCXvJPggSAMXukQQAzfRmtLW+JHEK\n" +
+            "B8ETIYh8IUjXJ6TVlmuBwZ0eXjCpqy9arJi6tacesDJwnL3sqOMQWUmqGsCGSKA5\n" +
+            "cLITkVsxX/htIq8GFyludjg8t4Nr+fOGfChEq8QE0PHE2CgskQMHpfHvfIdnwKve\n" +
+            "Fg2Q8twoMw849O6PF3k/848Z65lDin8EAMDbuPWL7KU2sWeqvDEuoulS5K1gsq8X\n" +
+            "p3Od3+f0OG8YViMjKcVlSKHVvdlK4dlsccJrJJx6VzotV47LsmvVbzDwUE//MYq7\n" +
+            "QwwQetZbpdQZDysSGVqHMTuAg/1pr2u5rqh4cFqCYatgZwinEI2TQMXEqnSc+mj8\n" +
+            "xp/LNq5BZZQuO4y0F3htcHA6anVsaWV0QGNhcHVsZXQubGl0iQFOBBMBCAA4FiEE\n" +
+            "HQGMdy34xe+GodzJtLUJy1k24D4FAlrxov4CGy8FCwkIBwIGFQoJCAsCBBYCAwEC\n" +
+            "HgECF4AACgkQtLUJy1k24D6H7AgAoTjx4ezcA83NeOY3tMHVQTM7hKuy0wMcSzQg\n" +
+            "VgJmhLYRZS8r+FocPZua/eke49GPhe2yozvlByWHtotklQeJiwOKxuPKMzneVA1Z\n" +
+            "K3/9LdGvtZlHMcAkEKDhit8HIaEcsFd4Z1reEhF2lyvY/E+rrx9YxV0QjisSWV2d\n" +
+            "Sptv6FeGSztr9e5E+Head6hEQhsugiTVRF+16mG90te0WGQ9YNiJ2FJovx5kBLTT\n" +
+            "uhwUz8Oacqihd2+RDDI5p3wJoogVL31aNb4nc7dGo8ieJPHGlkBsOfmreSxijTod\n" +
+            "Zz9MXsgcx7b//u0uQryViJoZHWbtnXOFjjNcGWBtS084NKWl9w==\n" +
+            "=yPPE\n" +
+            "-----END PGP PRIVATE KEY BLOCK-----";
+
+    public static final String ROMEO_UID = "xmpp:romeo@montague.lit";
+
+    /**
+     * Public key of xmpp:romeo@montague.lit.
+     */
+    public static final String ROMEO_PUB = "" +
+            "-----BEGIN PGP PUBLIC KEY BLOCK-----\n" +
+            "\n" +
+            "mQENBFrxopkBCADiYg/+mEObXgxuMW6/LFKpEyaJK9pBMgutuxnYZ9PXWZmOhDIT\n" +
+            "Ugm9X9YJ3Qh94KaHge9F4uCeFASmM1vvUTRFTEb1W5RR9ZE/sy/cdAttnZ5JloPi\n" +
+            "CT3HDMIJAxIXhRJkeUR9GUb51ql27bMXl6lFh865VdNSXN/B8FzRQHENxv1Bq/6Z\n" +
+            "iQOViIETeRRgO+u6u2iZkYlHgYMaoMK7+YiNlHXanU9Atcuaz0ZCJS/XFNH89iqB\n" +
+            "Kvnv7KCQh4FhrNMLJRzNPXV8MY05nn0zF72qeEsniB16Xde18lMro8fQehg2mLwc\n" +
+            "XGtCwCKI6QbZVxYQt77r3ZACiwl66soFWijVABEBAAG0F3htcHA6cm9tZW9AbW9u\n" +
+            "dGFndWUubGl0iQFOBBMBCAA4FiEENdKZ0IovfYAjCwldBKMhguBeIfcFAlrxopkC\n" +
+            "Gy8FCwkIBwIGFQoJCAsCBBYCAwECHgECF4AACgkQBKMhguBeIfcj8AgAu1wubUwr\n" +
+            "2aQmDN3OqRM4M4yRL3oyYMkCKIjqD6KEeFsIXSSkXOuREJKEo8Mb1+ewV0SYmHCC\n" +
+            "K3bKKq3m71AQ7evDhKGshacPYesiDvMdHWQdQnjfaoHhyn9qIKl7H0Xv1yf/wyuG\n" +
+            "ANy1jYgtCEuYw7D+EsqNDdn8Xh+k/9s4aMI/6mfC0yGZgG8EyLTfbZkGPoS4aZfV\n" +
+            "AGFbuqryg48dXtnuzAPKcdgMTTMSnmR729YlfkjCffcFaldyXoe1VMbudUO7nkO9\n" +
+            "g65i5EXenkbc2h0TRDQ4lDFQyModqFTwYFYxAf/RA6tuhIQEoCnpCytFMvrRKMb3\n" +
+            "Bx5vYRDVmE3jeg==\n" +
+            "=2jSg\n" +
+            "-----END PGP PUBLIC KEY BLOCK-----";
+
+    /**
+     * Private key of xmpp:romeo@montague.lit.
+     */
+    public static final String ROMEO_PRIV = "" +
+            "-----BEGIN PGP PRIVATE KEY BLOCK-----\n" +
+            "\n" +
+            "lQOYBFrxopkBCADiYg/+mEObXgxuMW6/LFKpEyaJK9pBMgutuxnYZ9PXWZmOhDIT\n" +
+            "Ugm9X9YJ3Qh94KaHge9F4uCeFASmM1vvUTRFTEb1W5RR9ZE/sy/cdAttnZ5JloPi\n" +
+            "CT3HDMIJAxIXhRJkeUR9GUb51ql27bMXl6lFh865VdNSXN/B8FzRQHENxv1Bq/6Z\n" +
+            "iQOViIETeRRgO+u6u2iZkYlHgYMaoMK7+YiNlHXanU9Atcuaz0ZCJS/XFNH89iqB\n" +
+            "Kvnv7KCQh4FhrNMLJRzNPXV8MY05nn0zF72qeEsniB16Xde18lMro8fQehg2mLwc\n" +
+            "XGtCwCKI6QbZVxYQt77r3ZACiwl66soFWijVABEBAAEAB/4mu5p69/hRQ+UikWie\n" +
+            "Yun9rZ4hSBR+pR5kaifA4/rV1Km2PZ4HujiaYyRO6beDOgWkF7IlpezCfzBQc2ce\n" +
+            "ailkVemqHzIgV8CzQmhE8sHlzlr/wjXsXaJpRSCJxDG7PnRoJmt2b/W512WFSKQk\n" +
+            "vDklAVh4U1vlsqhCGWr4DmuJbJkRyDhcX01tplRwim283F7bGqRcMBmKMZHiMgVc\n" +
+            "0u84EYKKVizJ3YAaaVqZyHb4qdeKK2ak3fPNuGT/oGd2sxnkL+BZGjJpu3RGpTA1\n" +
+            "tbOvOQnJGHQtABFxE8n6H9dHPJGtgyz2+udjUhL/P/E3PDoXazZkXRq2oHZKgg0f\n" +
+            "AwOBBADsWncHgvz15rXPF7O6AivbGTJ5ctkgVy4U3Fu2sk9rf0fx0sryBSqtTBw1\n" +
+            "Uvn/p9RwTsKw6fng6Nf78xpZFlUDB00YCcuWkGodxvjTAyB0dtBmkhopeKi0dmHh\n" +
+            "ndnR6Pv0CsXu8nG7lUi+q6s3oc4h2OfDBhrqsyYY5M2gGit3dQQA9TNuinJD9XXv\n" +
+            "QRyauMnSJ5xRcfOu8QCxZlllCvffZjSGCPoVjUpJEe9qsVbXVj2GYCxjLCSXV0V+\n" +
+            "vlJfdPrl1BhZ3fmEpg0u7SyGDDOe8fe1ehk5sAeL8O0eFWlPSEaEccsjlpJ2FO0n\n" +
+            "P04SZdOeM6wmhDTEDzpFnjbPndQTH+ED/R1zNzr55DvxQodmrW/BvTmhGQ22rHtk\n" +
+            "IUfbeMaVfUvNLJA/JksrUIx3Gga9QCDZgfm1RsRhLUlHiqTQe23sPWgKOsbf5O1j\n" +
+            "XJZaCNZ7LloVQbkG7xFcnb/n1+JjBr4FxXjAA6cY/iRGlznjIIaasyklKm1/4LuQ\n" +
+            "hnH3QqTvCN3dOFS0F3htcHA6cm9tZW9AbW9udGFndWUubGl0iQFOBBMBCAA4FiEE\n" +
+            "NdKZ0IovfYAjCwldBKMhguBeIfcFAlrxopkCGy8FCwkIBwIGFQoJCAsCBBYCAwEC\n" +
+            "HgECF4AACgkQBKMhguBeIfcj8AgAu1wubUwr2aQmDN3OqRM4M4yRL3oyYMkCKIjq\n" +
+            "D6KEeFsIXSSkXOuREJKEo8Mb1+ewV0SYmHCCK3bKKq3m71AQ7evDhKGshacPYesi\n" +
+            "DvMdHWQdQnjfaoHhyn9qIKl7H0Xv1yf/wyuGANy1jYgtCEuYw7D+EsqNDdn8Xh+k\n" +
+            "/9s4aMI/6mfC0yGZgG8EyLTfbZkGPoS4aZfVAGFbuqryg48dXtnuzAPKcdgMTTMS\n" +
+            "nmR729YlfkjCffcFaldyXoe1VMbudUO7nkO9g65i5EXenkbc2h0TRDQ4lDFQyMod\n" +
+            "qFTwYFYxAf/RA6tuhIQEoCnpCytFMvrRKMb3Bx5vYRDVmE3jeg==\n" +
+            "=LZ1b\n" +
+            "-----END PGP PRIVATE KEY BLOCK-----";
+}