def test_sha256d_truncated(self):
h1 = hashutil.tagged_hash(b"tag1", b"value", 16)
h2 = hashutil.tagged_hasher(b"tag1", 16)
h2.update(b"value")
h2 = h2.digest()
self.failUnlessEqual(len(h1), 16)
self.failUnlessEqual(len(h2), 16)
self.failUnlessEqual(h1, h2)
def test_sha256d(self):
h1 = hashutil.tagged_hash(b"tag1", b"value")
self.assertIsInstance(h1, bytes)
h2 = hashutil.tagged_hasher(b"tag1")
h2.update(b"value")
h2a = h2.digest()
h2b = h2.digest()
self.assertIsInstance(h2a, bytes)
self.failUnlessEqual(h1, h2a)
self.failUnlessEqual(h2a, h2b)