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59 lines
2.4 KiB
Python
59 lines
2.4 KiB
Python
"""
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The MIT License (MIT)
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Copyright (C) 2017 Andris Raugulis (moo@arthepsy.eu)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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"""
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# pylint: disable=unused-import
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from typing import Dict, List, Set, Sequence, Tuple, Iterable # noqa: F401
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from typing import Callable, Optional, Union, Any # noqa: F401
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class SSH1_KexDB: # pylint: disable=too-few-public-methods
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FAIL_PLAINTEXT = 'no encryption/integrity'
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FAIL_OPENSSH37_REMOVE = 'removed since OpenSSH 3.7'
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FAIL_NA_BROKEN = 'not implemented in OpenSSH, broken algorithm'
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FAIL_NA_UNSAFE = 'not implemented in OpenSSH (server), unsafe algorithm'
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TEXT_CIPHER_IDEA = 'cipher used by commercial SSH'
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ALGORITHMS: Dict[str, Dict[str, List[List[Optional[str]]]]] = {
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'key': {
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'ssh-rsa1': [['1.2.2']],
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},
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'enc': {
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'none': [['1.2.2'], [FAIL_PLAINTEXT]],
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'idea': [[None], [], [], [TEXT_CIPHER_IDEA]],
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'des': [['2.3.0C'], [FAIL_NA_UNSAFE]],
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'3des': [['1.2.2']],
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'tss': [[''], [FAIL_NA_BROKEN]],
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'rc4': [[], [FAIL_NA_BROKEN]],
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'blowfish': [['1.2.2']],
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},
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'aut': {
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'rhosts': [['1.2.2', '3.6'], [FAIL_OPENSSH37_REMOVE]],
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'rsa': [['1.2.2']],
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'password': [['1.2.2']],
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'rhosts_rsa': [['1.2.2']],
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'tis': [['1.2.2']],
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'kerberos': [['1.2.2', '3.6'], [FAIL_OPENSSH37_REMOVE]],
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}
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}
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