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https://github.com/blackjack4494/yt-dlc.git
synced 2024-08-19 00:39:42 +02:00
[utils] Add OHDave's RSA encryption function
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@ -35,6 +35,7 @@ from youtube_dl.utils import (
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is_html,
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js_to_json,
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limit_length,
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ohdave_rsa_encrypt,
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OnDemandPagedList,
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orderedSet,
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parse_duration,
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@ -792,6 +793,13 @@ The first line
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{'nocheckcertificate': False}, '--check-certificate', 'nocheckcertificate', 'false', 'true', '='),
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['--check-certificate=true'])
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def test_ohdave_rsa_encrypt(self):
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N = 0xab86b6371b5318aaa1d3c9e612a9f1264f372323c8c0f19875b5fc3b3fd3afcc1e5bec527aa94bfa85bffc157e4245aebda05389a5357b75115ac94f074aefcd
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e = 65537
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self.assertEqual(
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ohdave_rsa_encrypt(b'aa111222', e, N),
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'726664bd9a23fd0c70f9f1b84aab5e3905ce1e45a584e9cbcf9bcc7510338fc1986d6c599ff990d923aa43c51c0d9013cd572e13bc58f4ae48f2ed8c0b0ba881')
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if __name__ == '__main__':
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unittest.main()
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@ -4,6 +4,7 @@
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from __future__ import unicode_literals
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import base64
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import binascii
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import calendar
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import codecs
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import contextlib
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@ -2582,3 +2583,20 @@ class PerRequestProxyHandler(compat_urllib_request.ProxyHandler):
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return None # No Proxy
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return compat_urllib_request.ProxyHandler.proxy_open(
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self, req, proxy, type)
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def ohdave_rsa_encrypt(data, exponent, modulus):
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'''
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Implement OHDave's RSA algorithm. See http://www.ohdave.com/rsa/
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Input:
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data: data to encrypt, bytes-like object
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exponent, modulus: parameter e and N of RSA algorithm, both integer
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Output: hex string of encrypted data
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Limitation: supports one block encryption only
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'''
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payload = int(binascii.hexlify(data[::-1]), 16)
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encrypted = pow(payload, exponent, modulus)
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return '%x' % encrypted
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