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diff --git a/lib/Crypto/SelfTest/Hash/test_SHAKE.py b/lib/Crypto/SelfTest/Hash/test_SHAKE.py
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+++ b/lib/Crypto/SelfTest/Hash/test_SHAKE.py
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+# ===================================================================
+#
+# Copyright (c) 2015, Legrandin <helderijs@gmail.com>
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+# ===================================================================
+
+"""Self-test suite for Crypto.Hash.SHAKE128 and SHAKE256"""
+
+import unittest
+from binascii import hexlify, unhexlify
+
+from Crypto.SelfTest.loader import load_test_vectors
+from Crypto.SelfTest.st_common import list_test_cases
+
+from Crypto.Hash import SHAKE128, SHAKE256
+from Crypto.Util.py3compat import b, bchr, bord, tobytes
+
+class SHAKETest(unittest.TestCase):
+
+    def test_new_positive(self):
+
+        xof1 = self.shake.new()
+        xof2 = self.shake.new(data=b("90"))
+        xof3 = self.shake.new().update(b("90"))
+
+        self.assertNotEqual(xof1.read(10), xof2.read(10))
+        xof3.read(10)
+        self.assertEqual(xof2.read(10), xof3.read(10))
+
+    def test_update(self):
+        pieces = [bchr(10) * 200, bchr(20) * 300]
+        h = self.shake.new()
+        h.update(pieces[0]).update(pieces[1])
+        digest = h.read(10)
+        h = self.shake.new()
+        h.update(pieces[0] + pieces[1])
+        self.assertEqual(h.read(10), digest)
+
+    def test_update_negative(self):
+        h = self.shake.new()
+        self.assertRaises(TypeError, h.update, u"string")
+
+    def test_digest(self):
+        h = self.shake.new()
+        digest = h.read(90)
+
+        # read returns a byte string of the right length
+        self.assertTrue(isinstance(digest, type(b("digest"))))
+        self.assertEqual(len(digest), 90)
+
+    def test_update_after_read(self):
+        mac = self.shake.new()
+        mac.update(b("rrrr"))
+        mac.read(90)
+        self.assertRaises(TypeError, mac.update, b("ttt"))
+
+
+class SHAKE128Test(SHAKETest):
+        shake = SHAKE128
+
+
+class SHAKE256Test(SHAKETest):
+        shake = SHAKE256
+
+
+class SHAKEVectors(unittest.TestCase):
+    pass
+
+
+test_vectors_128 = load_test_vectors(("Hash", "SHA3"),
+                               "ShortMsgKAT_SHAKE128.txt",
+                               "Short Messages KAT SHAKE128",
+                               { "len" : lambda x: int(x) } ) or []
+
+for idx, tv in enumerate(test_vectors_128):
+    if tv.len == 0:
+        data = b("")
+    else:
+        data = tobytes(tv.msg)
+
+    def new_test(self, data=data, result=tv.md):
+        hobj = SHAKE128.new(data=data)
+        digest = hobj.read(len(result))
+        self.assertEqual(digest, result)
+
+    setattr(SHAKEVectors, "test_128_%d" % idx, new_test)
+
+
+test_vectors_256 = load_test_vectors(("Hash", "SHA3"),
+                               "ShortMsgKAT_SHAKE256.txt",
+                               "Short Messages KAT SHAKE256",
+                               { "len" : lambda x: int(x) } ) or []
+
+for idx, tv in enumerate(test_vectors_256):
+    if tv.len == 0:
+        data = b("")
+    else:
+        data = tobytes(tv.msg)
+
+    def new_test(self, data=data, result=tv.md):
+        hobj = SHAKE256.new(data=data)
+        digest = hobj.read(len(result))
+        self.assertEqual(digest, result)
+
+    setattr(SHAKEVectors, "test_256_%d" % idx, new_test)
+
+
+def get_tests(config={}):
+    tests = []
+    tests += list_test_cases(SHAKE128Test)
+    tests += list_test_cases(SHAKE256Test)
+    tests += list_test_cases(SHAKEVectors)
+    return tests
+
+
+if __name__ == '__main__':
+    import unittest
+    suite = lambda: unittest.TestSuite(get_tests())
+    unittest.main(defaultTest='suite')