add python unittests to check compatibility

tests/pythemis/test_scell.py

@@ -22,6 +22,48 @@
 from pythemis.skeygen import GenerateSymmetricKey
 from pythemis.exception import ThemisError
 
+class CompatTestDecryptSymKeyTest(unittest.TestCase):
+    def setUp(self):
+        # This data was generated by Themis 0.15.1 (OpenSSL 1.1.1v) on Simulator iPhone 15 Pro with iOS 17, XCode 15
+        # Encrypt Hello Test::masterKey 661922e173fde186f834b47b6191fe75f9e82a083f6f0cf1f7076aa1a7d610b1
+        # Encrypt Hello Test::encrypted 000101400c0000001000000018000000047e491e00c03e6cae92eb0a87d8ed6bb1d1e227b7054d1af644c4c5a945296abe77f440c6692345cd79c609818de7b8245a1fab
+        self.ios_master_key = bytes.fromhex('661922e173fde186f834b47b6191fe75f9e82a083f6f0cf1f7076aa1a7d610b1')
+        self.ios_message = b'Hello, Themis!\nBuild #4;'
+        self.ios_encrypted_message = bytes.fromhex('000101400c0000001000000018000000047e491e00c03e6cae92eb0a87d8ed6bb1d1e227b7054d1af644c4c5a945296abe77f440c6692345cd79c609818de7b8245a1fab')
+        return super().setUp()
+
+    def test_decrypt_ios(self):
+        scell = SCellSeal(self.ios_master_key)
+        self.assertEqual(self.ios_message, scell.decrypt(self.ios_encrypted_message))
+
+class CompatTestDecryptSymKeyCtxTest(unittest.TestCase):
+    def setUp(self):
+        # This data was generated by Themis 0.15.1 (OpenSSL 1.1.1v) on Simulator iPhone 15 Pro with iOS 17, XCode 15
+        # Encrypt Hello Test::masterKey 517ad939b402a8c2b7231d4b2a0cfe20f977c326fcdca19624fa0c236bab3a41
+        # Encrypt Hello Test::encrypted 000101400c0000001000000018000000570c73ba2a1a311c83e8b179202af4e4e472e69f6c09fc806f928007e461de0097f33ce7a112206a6856e98923bfb9129bd6cf5e
+        self.ios_master_key = bytes.fromhex('517ad939b402a8c2b7231d4b2a0cfe20f977c326fcdca19624fa0c236bab3a41')
+        self.ios_message = b'Hello, Themis!\nBuild #4;'
+        self.ios_context = b'context'
+        self.ios_encrypted_message = bytes.fromhex('000101400c0000001000000018000000570c73ba2a1a311c83e8b179202af4e4e472e69f6c09fc806f928007e461de0097f33ce7a112206a6856e98923bfb9129bd6cf5e')
+        return super().setUp()
+
+    def test_decrypt_ios(self):
+        scell = SCellSeal(self.ios_master_key)
+        self.assertEqual(self.ios_message, scell.decrypt(self.ios_encrypted_message, self.ios_context))
+
+class CompatTestDecryptCtxPassphrase(unittest.TestCase):
+    def setUp(self) -> None:
+        # This data was generated by Themis 0.15.1 (OpenSSL 1.1.1v) on Simulator iPhone 15 Pro with iOS 17, XCode 15
+        self.ios_passphrase = 'passphrase'
+        self.ios_context = b'context'
+        self.ios_message = b'Hello, Themis!\nBuild #4;'
+        self.ios_encrypted_message = bytes.fromhex('000101410c000000100000001800000016000000bbcd07fca7f24d8da24443b1654e734ba6dcafc3cd2d65c173c4370cfeca04001000a3e2324b7df16a65ee4f5943da611813118697bdbab133b97e99387ba6b8b3f747a2901b4bf5439d')
+        return super().setUp()
+
+    def test_decrypt_ios(self):
+        scell = SCellSealPassphrase(self.ios_passphrase)
+        self.assertEqual(self.ios_message, scell.decrypt(self.ios_encrypted_message, self.ios_context))
+
 
 class BaseSCellTestMixin(unittest.TestCase):
     def setUp(self):