X-Git-Url: https://jfr.im/git/yt-dlp.git/blobdiff_plain/54007a45f11ed730352324289b714baefd2901eb..54a63e80af82791d2f0985bd0176bb182963fd5f:/test/test_aes.py diff --git a/test/test_aes.py b/test/test_aes.py index 037246588..5f975efec 100644 --- a/test/test_aes.py +++ b/test/test_aes.py @@ -11,7 +11,6 @@ import base64 from yt_dlp.aes import ( - BLOCK_SIZE_BYTES, aes_cbc_decrypt, aes_cbc_decrypt_bytes, aes_cbc_encrypt, @@ -24,8 +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' @@ -47,7 +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) @@ -77,7 +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) @@ -86,7 +87,7 @@ def test_decrypt_text(self): password = intlist_to_bytes(self.key).decode() encrypted = base64.b64encode( intlist_to_bytes(self.iv[:8]) - + b'\x17\x15\x93\xab\x8d\x80V\xcdV\xe0\t\xcdo\xc2\xa5\xd8ksM\r\xe27N\xae' + + b'\x17\x15\x93\xab\x8d\x80V\xcdV\xe0\t\xcdo\xc2\xa5\xd8ksM\r\xe27N\xae', ).decode() decrypted = (aes_decrypt_text(encrypted, password, 16)) self.assertEqual(decrypted, self.secret_msg) @@ -94,15 +95,14 @@ def test_decrypt_text(self): password = intlist_to_bytes(self.key).decode() encrypted = base64.b64encode( intlist_to_bytes(self.iv[:8]) - + b'\x0b\xe6\xa4\xd9z\x0e\xb8\xb9\xd0\xd4i_\x85\x1d\x99\x98_\xe5\x80\xe7.\xbf\xa5\x83' + + b'\x0b\xe6\xa4\xd9z\x0e\xb8\xb9\xd0\xd4i_\x85\x1d\x99\x98_\xe5\x80\xe7.\xbf\xa5\x83', ).decode() decrypted = (aes_decrypt_text(encrypted, password, 32)) self.assertEqual(decrypted, self.secret_msg) 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:') @@ -112,6 +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()