a7t0fwa7 · July 28, 2022 08:39 · Apr 12, 2015 · Apr 8, 2015 · Apr 8, 2015 · Apr 8, 2015
diff --git a/aes_example_in_python.py b/aes_example_in_python.py
@@ -33,7 +33,8 @@ class AESCipher(object):
     """
 
     def __init__(self, key):
-        self.key = hashlib.sha256(key.encode()).digest()
+        self.key = key
+        #self.key = hashlib.sha256(key.encode()).digest()
 
     def encrypt(self, message):
         """
@@ -44,7 +45,7 @@ def encrypt(self, message):
         raw = pad(message)
         cipher = AES.new(self.key, AES.MODE_CBC, iv())
         enc = cipher.encrypt(raw)
-        return base64.b64encode(enc)
+        return base64.b64encode(enc).decode('utf-8')
 
     def decrypt(self, enc):
         enc = base64.b64decode(enc)
@@ -56,13 +57,14 @@ def decrypt(self, enc):
 key = 'abcdefghijklmnopqrstuvwxyz123456'
 
 message = '한글을 테스트 합니다.'
-enc = 'gOXlygE+qxS+69zN5qC6eKJvMiEoDQtdoJb3zjT8f/E='
+_enc = 'gOXlygE+qxS+69zN5qC6eKJvMiEoDQtdoJb3zjT8f/E='
 #message = 'imcore.net'
 #enc = 'kWyuTmUELRiREWIPpLy3ZA=='
 #message = 'Test English...'
 #answer = 'rvs4H8x4Q8sblGG1jkOHFQ=='
 
 enc = AESCipher(key).encrypt(message)
-dec = AESCipher(key).decrypt(enc)
+dec = AESCipher(key).decrypt(_enc)
 
-print(message == dec)
+print(_enc == enc)
+print(message == dec)
diff --git a/aes_example.py → aes_example_in_python.py b/aes_example.py → aes_example_in_python.py
diff --git a/aes_example.py b/aes_example.py
@@ -0,0 +1,68 @@
+#-*- coding: utf-8 -*-
+
+# Python 3.4
+# author: http://blog.dokenzy.com/
+# date: 2015. 4. 8
+
+# References
+# http://www.imcore.net/encrypt-decrypt-aes256-c-objective-ios-iphone-ipad-php-java-android-perl-javascript/
+# http://stackoverflow.com/questions/12562021/aes-decryption-padding-with-pkcs5-python
+# http://stackoverflow.com/questions/12524994/encrypt-decrypt-using-pycrypto-aes-256
+# http://www.di-mgt.com.au/cryptopad.html
+# https://github.com/dlitz/pycrypto
+
+import base64
+import hashlib
+from Crypto import Random
+from Crypto.Cipher import AES
+
+BS = 16
+pad = lambda s: s + (BS - len(s) % BS) * chr(BS - len(s) % BS).encode()
+unpad = lambda s: s[:-ord(s[len(s)-1:])]
+
+def iv():
+    """
+    The initialization vector to use for encryption or decryption.
+    It is ignored for MODE_ECB and MODE_CTR.
+    """
+    return chr(0) * 16
+
+class AESCipher(object):
+    """
+    https://github.com/dlitz/pycrypto
+    """
+
+    def __init__(self, key):
+        self.key = hashlib.sha256(key.encode()).digest()
+
+    def encrypt(self, message):
+        """
+        It is assumed that you use Python 3.0+
+        , so plaintext's type must be str type(== unicode).
+        """
+        message = message.encode()
+        raw = pad(message)
+        cipher = AES.new(self.key, AES.MODE_CBC, iv())
+        enc = cipher.encrypt(raw)
+        return base64.b64encode(enc)
+
+    def decrypt(self, enc):
+        enc = base64.b64decode(enc)
+        cipher = AES.new(self.key, AES.MODE_CBC, iv())
+        dec = cipher.decrypt(enc)
+        return unpad(dec).decode('utf-8')
+
+
+key = 'abcdefghijklmnopqrstuvwxyz123456'
+
+message = '한글을 테스트 합니다.'
+enc = 'gOXlygE+qxS+69zN5qC6eKJvMiEoDQtdoJb3zjT8f/E='
+#message = 'imcore.net'
+#enc = 'kWyuTmUELRiREWIPpLy3ZA=='
+#message = 'Test English...'
+#answer = 'rvs4H8x4Q8sblGG1jkOHFQ=='
+
+enc = AESCipher(key).encrypt(message)
+dec = AESCipher(key).decrypt(enc)
+
+print(message == dec)