diff options
Diffstat (limited to 'yt_dlp/aes.py')
| -rw-r--r-- | yt_dlp/aes.py | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/yt_dlp/aes.py b/yt_dlp/aes.py index 8503e3dfd..b37f0dd39 100644 --- a/yt_dlp/aes.py +++ b/yt_dlp/aes.py @@ -2,8 +2,15 @@ from __future__ import unicode_literals from math import ceil -from .compat import compat_b64decode, compat_pycrypto_AES -from .utils import bytes_to_intlist, intlist_to_bytes +from .compat import ( + compat_b64decode, + compat_ord, + compat_pycrypto_AES, +) +from .utils import ( + bytes_to_intlist, + intlist_to_bytes, +) if compat_pycrypto_AES: @@ -25,6 +32,10 @@ else: return intlist_to_bytes(aes_gcm_decrypt_and_verify(*map(bytes_to_intlist, (data, key, tag, nonce)))) +def unpad_pkcs7(data): + return data[:-compat_ord(data[-1])] + + BLOCK_SIZE_BYTES = 16 @@ -506,5 +517,6 @@ __all__ = [ 'aes_encrypt', 'aes_gcm_decrypt_and_verify', 'aes_gcm_decrypt_and_verify_bytes', - 'key_expansion' + 'key_expansion', + 'unpad_pkcs7', ] |