Bug 5265, unit tests for BIO.CipherStream.

git-svn-id: http://svn.osafoundation.org/m2crypto/trunk@397 2715db39-9adf-0310-9c64-84f055769b4b

1 files changed, 66 insertions, 0 deletions

diff --git a/tests/test_bio.py b/tests/test_bio.py
new file mode 100644
index 0000000..7bb9fc6
--- /dev/null
+++ b/tests/test_bio.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python
+
+"""
+Unit tests for M2Crypto.BIO.
+
+Copyright (c) 1999-2003 Ng Pheng Siong. All rights reserved.
+
+Copyright (c) 2006 Open Source Applications Foundation
+Author: Heikki Toivonen
+"""
+
+import unittest
+from M2Crypto import BIO, Rand
+
+class CipherStreamTestCase(unittest.TestCase):
+    def try_algo(self, algo):
+        enc = 1
+        dec = 0
+        data = '123456789012345678901234'
+        # Encrypt.
+        mem = BIO.MemoryBuffer()
+        cf = BIO.CipherStream(mem)
+        cf.set_cipher(algo, 'key', 'iv', 1)
+        cf.write(data)
+        cf.flush()
+        cf.write_close()
+        cf.close()
+        xxx = mem.read()
+    
+        # Decrypt.
+        mem = BIO.MemoryBuffer(xxx)
+        cf = BIO.CipherStream(mem)
+        cf.set_cipher(algo, 'key', 'iv', 0)
+        cf.write_close()
+        data2 = cf.read()
+        cf.close()
+    
+        assert data == data2, '%s algorithm cipher test failed' % algo
+        
+    def check_ciphers(self):
+        ciphers=['bf_ecb', 'bf_cbc', 'bf_cfb', 'bf_ofb',\
+            #'idea_ecb', 'idea_cbc', 'idea_cfb', 'idea_ofb',\
+            'cast5_ecb', 'cast5_cbc', 'cast5_cfb', 'cast5_ofb',\
+            #'rc5_ecb', 'rc5_cbc', 'rc5_cfb', 'rc5_ofb',\
+            'des_ecb', 'des_cbc', 'des_cfb', 'des_ofb',\
+            'des_ede_ecb', 'des_ede_cbc', 'des_ede_cfb', 'des_ede_ofb',\
+            'des_ede3_ecb', 'des_ede3_cbc', 'des_ede3_cfb', 'des_ede3_ofb',\
+            'aes_128_ecb', 'aes_128_cbc', 'aes_128_cfb', 'aes_128_ofb',\
+            'aes_192_ecb', 'aes_192_cbc', 'aes_192_cfb', 'aes_192_ofb',\
+            'aes_256_ecb', 'aes_256_cbc', 'aes_256_cfb', 'aes_256_ofb',\
+            'rc4', 'rc2_40_cbc']
+        for i in ciphers:
+            self.try_algo(i)
+
+        self.assertRaises(ValueError, self.try_algo, 'nosuchalgo4567')
+
+def suite():
+    suite = unittest.TestSuite()
+    suite.addTest(unittest.makeSuite(CipherStreamTestCase, 'check'))
+    return suite    
+
+if __name__ == '__main__':
+    Rand.load_file('randpool.dat', -1) 
+    unittest.TextTestRunner().run(suite())
+    Rand.save_file('randpool.dat')
+