hoelee/yt-dlp
1
0
Fork 0
mirror of https://github.com/yt-dlp/yt-dlp.git synced 2025-10-22 18:28:41 +00:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

[cleanup] Add more ruff rules (#10149)

Browse Source 
Authored by: seproDev

Reviewed-by: bashonly <88596187+bashonly@users.noreply.github.com>
Reviewed-by: Simon Sawicki <contact@grub4k.xyz>
This commit is contained in:
sepro
2024-06-12 01:09:58 +02:00
committed by GitHub
parent db50f19d76
commit add96eb9f8
915 changed files with 7027 additions and 7246 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
yt_dlp/aes.py
View File

@@ -68,7 +68,7 @@ def pad_block(block, padding_mode):
raise NotImplementedError(f'Padding mode {padding_mode} is not implemented')
if padding_mode == 'iso7816' and padding_size:
block = block + [0x80] # NB: += mutates list
block = [*block, 0x80] # NB: += mutates list
padding_size -= 1
return block + [PADDING_BYTE[padding_mode]] * padding_size
@@ -110,9 +110,7 @@ def aes_ecb_decrypt(data, key, iv=None):
for i in range(block_count):
block = data[i * BLOCK_SIZE_BYTES: (i + 1) * BLOCK_SIZE_BYTES]
encrypted_data += aes_decrypt(block, expanded_key)
encrypted_data = encrypted_data[:len(data)]
return encrypted_data
return encrypted_data[:len(data)]
def aes_ctr_decrypt(data, key, iv):
@@ -148,9 +146,7 @@ def aes_ctr_encrypt(data, key, iv):
cipher_counter_block = aes_encrypt(counter_block, expanded_key)
encrypted_data += xor(block, cipher_counter_block)
encrypted_data = encrypted_data[:len(data)]
return encrypted_data
return encrypted_data[:len(data)]
def aes_cbc_decrypt(data, key, iv):
@@ -174,9 +170,7 @@ def aes_cbc_decrypt(data, key, iv):
decrypted_block = aes_decrypt(block, expanded_key)
decrypted_data += xor(decrypted_block, previous_cipher_block)
previous_cipher_block = block
decrypted_data = decrypted_data[:len(data)]
return decrypted_data
return decrypted_data[:len(data)]
def aes_cbc_encrypt(data, key, iv, *, padding_mode='pkcs7'):
@@ -224,7 +218,7 @@ def aes_gcm_decrypt_and_verify(data, key, tag, nonce):
hash_subkey = aes_encrypt([0] * BLOCK_SIZE_BYTES, key_expansion(key))
if len(nonce) == 12:
j0 = nonce + [0, 0, 0, 1]
j0 = [*nonce, 0, 0, 0, 1]
else:
fill = (BLOCK_SIZE_BYTES - (len(nonce) % BLOCK_SIZE_BYTES)) % BLOCK_SIZE_BYTES + 8
ghash_in = nonce + [0] * fill + bytes_to_intlist((8 * len(nonce)).to_bytes(8, 'big'))
@@ -242,11 +236,11 @@ def aes_gcm_decrypt_and_verify(data, key, tag, nonce):
data
+ [0] * (BLOCK_SIZE_BYTES - len(data) + pad_len) # pad
+ bytes_to_intlist((0 * 8).to_bytes(8, 'big') # length of associated data
+ ((len(data) * 8).to_bytes(8, 'big'))) # length of data
+ ((len(data) * 8).to_bytes(8, 'big'))), # length of data
)
if tag != aes_ctr_encrypt(s_tag, key, j0):
raise ValueError("Mismatching authentication tag")
raise ValueError('Mismatching authentication tag')
return decrypted_data
@@ -288,9 +282,7 @@ def aes_decrypt(data, expanded_key):
data = list(iter_mix_columns(data, MIX_COLUMN_MATRIX_INV))
data = shift_rows_inv(data)
data = sub_bytes_inv(data)
data = xor(data, expanded_key[:BLOCK_SIZE_BYTES])
return data
return xor(data, expanded_key[:BLOCK_SIZE_BYTES])
def aes_decrypt_text(data, password, key_size_bytes):
@@ -318,9 +310,7 @@ def aes_decrypt_text(data, password, key_size_bytes):
cipher = data[NONCE_LENGTH_BYTES:]
decrypted_data = aes_ctr_decrypt(cipher, key, nonce + [0] * (BLOCK_SIZE_BYTES - NONCE_LENGTH_BYTES))
plaintext = intlist_to_bytes(decrypted_data)
return plaintext
return intlist_to_bytes(decrypted_data)
RCON = (0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36)
@@ -428,9 +418,7 @@ def key_expansion(data):
for _ in range(3 if key_size_bytes == 32 else 2 if key_size_bytes == 24 else 0):
temp = data[-4:]
data += xor(temp, data[-key_size_bytes: 4 - key_size_bytes])
data = data[:expanded_key_size_bytes]
return data
return data[:expanded_key_size_bytes]
def iter_vector(iv):
@@ -511,7 +499,7 @@ def block_product(block_x, block_y):
# NIST SP 800-38D, Algorithm 1
if len(block_x) != BLOCK_SIZE_BYTES or len(block_y) != BLOCK_SIZE_BYTES:
raise ValueError("Length of blocks need to be %d bytes" % BLOCK_SIZE_BYTES)
raise ValueError(f'Length of blocks need to be {BLOCK_SIZE_BYTES} bytes')
block_r = [0xE1] + [0] * (BLOCK_SIZE_BYTES - 1)
block_v = block_y[:]
@@ -534,7 +522,7 @@ def ghash(subkey, data):
# NIST SP 800-38D, Algorithm 2
if len(data) % BLOCK_SIZE_BYTES:
raise ValueError("Length of data should be %d bytes" % BLOCK_SIZE_BYTES)
raise ValueError(f'Length of data should be {BLOCK_SIZE_BYTES} bytes')
last_y = [0] * BLOCK_SIZE_BYTES
for i in range(0, len(data), BLOCK_SIZE_BYTES):