[ie/youtube] Extract upload timestamp if available (#9856)

[yt-dlp.git] / test / test_aes.py

diff --git a/test/test_aes.py b/test/test_aes.py
index 2b7b7cf542636b72439a7ac85704a27e28555023..a26abfd7d0e4e1d5fa60b0d55b84f2a5ec617540 100644 (file)
--- a/test/test_aes.py
+++ b/test/test_aes.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+
 # Allow direct execution
 import os
 import sys
@@ -6,10 +7,10 @@
 
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
+
 import base64
 
 from yt_dlp.aes import (
-    BLOCK_SIZE_BYTES,
     aes_cbc_decrypt,
     aes_cbc_decrypt_bytes,
     aes_cbc_encrypt,
@@ -22,8 +23,10 @@
     aes_encrypt,
     aes_gcm_decrypt_and_verify,
     aes_gcm_decrypt_and_verify_bytes,
+    key_expansion,
+    pad_block,
 )
-from yt_dlp.dependencies import Cryptodome_AES
+from yt_dlp.dependencies import Cryptodome
 from yt_dlp.utils import bytes_to_intlist, intlist_to_bytes
 
 # the encrypted data can be generate with 'devscripts/generate_aes_testdata.py'
@@ -45,7 +48,7 @@ def test_cbc_decrypt(self):
         data = b'\x97\x92+\xe5\x0b\xc3\x18\x91ky9m&\xb3\xb5@\xe6\x27\xc2\x96.\xc8u\x88\xab9-[\x9e|\xf1\xcd'
         decrypted = intlist_to_bytes(aes_cbc_decrypt(bytes_to_intlist(data), self.key, self.iv))
         self.assertEqual(decrypted.rstrip(b'\x08'), self.secret_msg)
-        if Cryptodome_AES:
+        if Cryptodome.AES:
             decrypted = aes_cbc_decrypt_bytes(data, intlist_to_bytes(self.key), intlist_to_bytes(self.iv))
             self.assertEqual(decrypted.rstrip(b'\x08'), self.secret_msg)
 
@@ -75,7 +78,7 @@ def test_gcm_decrypt(self):
         decrypted = intlist_to_bytes(aes_gcm_decrypt_and_verify(
             bytes_to_intlist(data), self.key, bytes_to_intlist(authentication_tag), self.iv[:12]))
         self.assertEqual(decrypted.rstrip(b'\x08'), self.secret_msg)
-        if Cryptodome_AES:
+        if Cryptodome.AES:
             decrypted = aes_gcm_decrypt_and_verify_bytes(
                 data, intlist_to_bytes(self.key), authentication_tag, intlist_to_bytes(self.iv[:12]))
             self.assertEqual(decrypted.rstrip(b'\x08'), self.secret_msg)
@@ -99,8 +102,7 @@ def test_decrypt_text(self):
 
     def test_ecb_encrypt(self):
         data = bytes_to_intlist(self.secret_msg)
-        data += [0x08] * (BLOCK_SIZE_BYTES - len(data) % BLOCK_SIZE_BYTES)
-        encrypted = intlist_to_bytes(aes_ecb_encrypt(data, self.key, self.iv))
+        encrypted = intlist_to_bytes(aes_ecb_encrypt(data, self.key))
         self.assertEqual(
             encrypted,
             b'\xaa\x86]\x81\x97>\x02\x92\x9d\x1bR[[L/u\xd3&\xd1(h\xde{\x81\x94\xba\x02\xae\xbd\xa6\xd0:')
@@ -110,6 +112,41 @@ def test_ecb_decrypt(self):
         decrypted = intlist_to_bytes(aes_ecb_decrypt(data, self.key, self.iv))
         self.assertEqual(decrypted.rstrip(b'\x08'), self.secret_msg)
 
+    def test_key_expansion(self):
+        key = '4f6bdaa39e2f8cb07f5e722d9edef314'
+
+        self.assertEqual(key_expansion(bytes_to_intlist(bytearray.fromhex(key))), [
+            0x4F, 0x6B, 0xDA, 0xA3, 0x9E, 0x2F, 0x8C, 0xB0, 0x7F, 0x5E, 0x72, 0x2D, 0x9E, 0xDE, 0xF3, 0x14,
+            0x53, 0x66, 0x20, 0xA8, 0xCD, 0x49, 0xAC, 0x18, 0xB2, 0x17, 0xDE, 0x35, 0x2C, 0xC9, 0x2D, 0x21,
+            0x8C, 0xBE, 0xDD, 0xD9, 0x41, 0xF7, 0x71, 0xC1, 0xF3, 0xE0, 0xAF, 0xF4, 0xDF, 0x29, 0x82, 0xD5,
+            0x2D, 0xAD, 0xDE, 0x47, 0x6C, 0x5A, 0xAF, 0x86, 0x9F, 0xBA, 0x00, 0x72, 0x40, 0x93, 0x82, 0xA7,
+            0xF9, 0xBE, 0x82, 0x4E, 0x95, 0xE4, 0x2D, 0xC8, 0x0A, 0x5E, 0x2D, 0xBA, 0x4A, 0xCD, 0xAF, 0x1D,
+            0x54, 0xC7, 0x26, 0x98, 0xC1, 0x23, 0x0B, 0x50, 0xCB, 0x7D, 0x26, 0xEA, 0x81, 0xB0, 0x89, 0xF7,
+            0x93, 0x60, 0x4E, 0x94, 0x52, 0x43, 0x45, 0xC4, 0x99, 0x3E, 0x63, 0x2E, 0x18, 0x8E, 0xEA, 0xD9,
+            0xCA, 0xE7, 0x7B, 0x39, 0x98, 0xA4, 0x3E, 0xFD, 0x01, 0x9A, 0x5D, 0xD3, 0x19, 0x14, 0xB7, 0x0A,
+            0xB0, 0x4E, 0x1C, 0xED, 0x28, 0xEA, 0x22, 0x10, 0x29, 0x70, 0x7F, 0xC3, 0x30, 0x64, 0xC8, 0xC9,
+            0xE8, 0xA6, 0xC1, 0xE9, 0xC0, 0x4C, 0xE3, 0xF9, 0xE9, 0x3C, 0x9C, 0x3A, 0xD9, 0x58, 0x54, 0xF3,
+            0xB4, 0x86, 0xCC, 0xDC, 0x74, 0xCA, 0x2F, 0x25, 0x9D, 0xF6, 0xB3, 0x1F, 0x44, 0xAE, 0xE7, 0xEC])
+
+    def test_pad_block(self):
+        block = [0x21, 0xA0, 0x43, 0xFF]
+
+        self.assertEqual(pad_block(block, 'pkcs7'),
+                         block + [0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C])
+
+        self.assertEqual(pad_block(block, 'iso7816'),
+                         block + [0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00])
+
+        self.assertEqual(pad_block(block, 'whitespace'),
+                         block + [0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20])
+
+        self.assertEqual(pad_block(block, 'zero'),
+                         block + [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00])
+
+        block = list(range(16))
+        for mode in ('pkcs7', 'iso7816', 'whitespace', 'zero'):
+            self.assertEqual(pad_block(block, mode), block, mode)
+
 
 if __name__ == '__main__':
     unittest.main()