1 files changed, 38 insertions, 0 deletions
diff --git a/yt_dlp/dependencies/Cryptodome.py b/yt_dlp/dependencies/Cryptodome.py
new file mode 100644
index 0000000..2cfa4c9
--- /dev/null
+++ b/yt_dlp/dependencies/Cryptodome.py
@@ -0,0 +1,38 @@
+from ..compat.compat_utils import passthrough_module
+
+try:
+    import Cryptodome as _parent
+except ImportError:
+    try:
+        import Crypto as _parent
+    except (ImportError, SyntaxError):  # Old Crypto gives SyntaxError in newer Python
+        _parent = passthrough_module(__name__, 'no_Cryptodome')
+        __bool__ = lambda: False
+
+del passthrough_module
+
+__version__ = ''
+AES = PKCS1_v1_5 = Blowfish = PKCS1_OAEP = SHA1 = CMAC = RSA = None
+try:
+    if _parent.__name__ == 'Cryptodome':
+        from Cryptodome import __version__
+        from Cryptodome.Cipher import AES, PKCS1_OAEP, Blowfish, PKCS1_v1_5
+        from Cryptodome.Hash import CMAC, SHA1
+        from Cryptodome.PublicKey import RSA
+    elif _parent.__name__ == 'Crypto':
+        from Crypto import __version__
+        from Crypto.Cipher import AES, PKCS1_OAEP, Blowfish, PKCS1_v1_5  # noqa: F401
+        from Crypto.Hash import CMAC, SHA1  # noqa: F401
+        from Crypto.PublicKey import RSA  # noqa: F401
+except ImportError:
+    __version__ = f'broken {__version__}'.strip()
+
+
+_yt_dlp__identifier = _parent.__name__
+if AES and _yt_dlp__identifier == 'Crypto':
+    try:
+        # In pycrypto, mode defaults to ECB. See:
+        # https://www.pycryptodome.org/en/latest/src/vs_pycrypto.html#:~:text=not%20have%20ECB%20as%20default%20mode
+        AES.new(b'abcdefghijklmnop')
+    except TypeError:
+        _yt_dlp__identifier = 'pycrypto'