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derivepassphrase.git
tests
test_key_signing.py
Add function for SSH framed byte strings with trailing data
Marco Ricci
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3d09a07
at 2024-06-22 21:19:30
test_key_signing.py
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# SPDX-FileCopyrightText: 2024 Marco Ricci <m@the13thletter.info> # # SPDX-License-Identifier: MIT """Test OpenSSH key loading and signing.""" import pytest import derivepassphrase import ssh_agent_client import base64 import os import socket import subprocess SUPPORTED = { 'ed25519': { 'private_key': rb'''-----BEGIN OPENSSH PRIVATE KEY----- b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW QyNTUxOQAAACCBeIFoJtYCSF8P/zJIb+TBMIncHGpFBgnpCQ/7whJpdgAAAKDweO7H8Hju xwAAAAtzc2gtZWQyNTUxOQAAACCBeIFoJtYCSF8P/zJIb+TBMIncHGpFBgnpCQ/7whJpdg AAAEAbM/A869nkWZbe2tp3Dm/L6gitvmpH/aRZt8sBII3ExYF4gWgm1gJIXw//Mkhv5MEw idwcakUGCekJD/vCEml2AAAAG3Rlc3Qga2V5IHdpdGhvdXQgcGFzc3BocmFzZQEC -----END OPENSSH PRIVATE KEY----- ''', 'public_key': rb'''ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIF4gWgm1gJIXw//Mkhv5MEwidwcakUGCekJD/vCEml2 test key without passphrase ''', 'public_key_data': bytes.fromhex(''' 00 00 00 0b 73 73 68 2d 65 64 32 35 35 31 39 00 00 00 20 81 78 81 68 26 d6 02 48 5f 0f ff 32 48 6f e4 c1 30 89 dc 1c 6a 45 06 09 e9 09 0f fb c2 12 69 76 '''), 'expected_signature': bytes.fromhex(''' 00 00 00 0b 73 73 68 2d 65 64 32 35 35 31 39 00 00 00 40 f0 98 19 80 6c 1a 97 d5 26 03 6e cc e3 65 8f 86 66 07 13 19 13 09 21 33 33 f9 e4 36 53 1d af fd 0d 08 1f ec f8 73 9b 8c 5f 55 39 16 7c 53 54 2c 1e 52 bb 30 ed 7f 89 e2 2f 69 51 55 d8 9e a6 02 '''), }, # Currently only supported by PuTTY (which is deficient in other # niceties of the SSH agent and the agent's client). 'ed448': { 'private_key': rb'''-----BEGIN OPENSSH PRIVATE KEY----- b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAASgAAAAlz c2gtZWQ0NDgAAAA54vZy009Wu8wExjvEb3hqtLz1GO/+d5vmGUbErWQ4AUO9mYLT zHJHc2m4s+yWzP29Cc3EcxizLG8AAAAA8BdhfCcXYXwnAAAACXNzaC1lZDQ0OAAA ADni9nLTT1a7zATGO8RveGq0vPUY7/53m+YZRsStZDgBQ72ZgtPMckdzabiz7JbM /b0JzcRzGLMsbwAAAAByM7GIMRvWJB3YD6SIpAF2uudX4ozZe0X917wPwiBrs373 9TM1n94Nib6hrxGNmCk2iBQDe2KALPgA4vZy009Wu8wExjvEb3hqtLz1GO/+d5vm GUbErWQ4AUO9mYLTzHJHc2m4s+yWzP29Cc3EcxizLG8AAAAAG3Rlc3Qga2V5IHdp dGhvdXQgcGFzc3BocmFzZQECAwQFBgcICQ== -----END OPENSSH PRIVATE KEY----- ''', 'public_key': rb'''ssh-ed448 AAAACXNzaC1lZDQ0OAAAADni9nLTT1a7zATGO8RveGq0vPUY7/53m+YZRsStZDgBQ72ZgtPMckdzabiz7JbM/b0JzcRzGLMsbwA= test key without passphrase ''', 'public_key_data': bytes.fromhex(''' 00 00 00 09 73 73 68 2d 65 64 34 34 38 00 00 00 39 e2 f6 72 d3 4f 56 bb cc 04 c6 3b c4 6f 78 6a b4 bc f5 18 ef fe 77 9b e6 19 46 c4 ad 64 38 01 43 bd 99 82 d3 cc 72 47 73 69 b8 b3 ec 96 cc fd bd 09 cd c4 73 18 b3 2c 6f 00 '''), 'expected_signature': bytes.fromhex(''' 00 00 00 09 73 73 68 2d 65 64 34 34 38 00 00 00 72 06 86 f4 64 a4 a6 ba d9 c3 22 c4 93 49 99 fc 11 de 67 97 08 f2 d8 b7 3c 2c 13 e7 c5 1c 1e 92 a6 0e d8 2f 6d 81 03 82 00 e3 72 e4 32 6d 72 d2 6d 32 84 3f cc a9 1e 57 2c 00 9a b3 99 de 45 da ce 2e d1 db e5 89 f3 35 be 24 58 90 c6 ca 04 f0 db 88 80 db bd 77 7c 80 20 7f 3a 48 61 f6 1f ae a9 5e 53 7b e0 9d 93 1e ea dc eb b5 cd 56 4c ea 8f 08 00 '''), }, 'rsa': { 'private_key': rb'''-----BEGIN OPENSSH PRIVATE KEY----- b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAABlwAAAAdzc2gtcn NhAAAAAwEAAQAAAYEAsaHu6Xs4cVsuDSNJlMCqoPVgmDgEviI8TfXmHKqX3JkIqI3LsvV7 Ijf8WCdTveEq7CkuZhImtsR52AOEVAoU8mDXDNr+nJ5wUPzf1UIaRjDe0lcXW4SlF01hQs G4wYDuqxshwelraB/L3e0zhD7fjYHF8IbFsqGlFHWEwOtlfhhfbxJsTGguLm4A8/gdEJD5 2rkqDcZpIXCHtJbCzW9aQpWcs/PDw5ylwl/3dB7jfxyfrGz4O3QrzsqhWEsip97mOmwl6q CHbq8V8x9zu89D/H+bG5ijqxhijbjcVUW3lZfw/97gy9J6rG31HNar5H8GycLTFwuCFepD mTEpNgQLKoe8ePIEPq4WHhFUovBdwlrOByUKKqxreyvWt5gkpTARz+9Lt8OjBO3rpqK8sZ VKH3sE3de2RJM3V9PJdmZSs2b8EFK3PsUGdlMPM9pn1uk4uIItKWBmooOynuD8Ll6aPwuW AFn3l8nLLyWdrmmEYzHWXiRjQJxy1Bi5AbHMOWiPAAAFkDPkuBkz5LgZAAAAB3NzaC1yc2 EAAAGBALGh7ul7OHFbLg0jSZTAqqD1YJg4BL4iPE315hyql9yZCKiNy7L1eyI3/FgnU73h KuwpLmYSJrbEedgDhFQKFPJg1wza/pyecFD839VCGkYw3tJXF1uEpRdNYULBuMGA7qsbIc Hpa2gfy93tM4Q+342BxfCGxbKhpRR1hMDrZX4YX28SbExoLi5uAPP4HRCQ+dq5Kg3GaSFw h7SWws1vWkKVnLPzw8OcpcJf93Qe438cn6xs+Dt0K87KoVhLIqfe5jpsJeqgh26vFfMfc7 vPQ/x/mxuYo6sYYo243FVFt5WX8P/e4MvSeqxt9RzWq+R/BsnC0xcLghXqQ5kxKTYECyqH vHjyBD6uFh4RVKLwXcJazgclCiqsa3sr1reYJKUwEc/vS7fDowTt66aivLGVSh97BN3Xtk STN1fTyXZmUrNm/BBStz7FBnZTDzPaZ9bpOLiCLSlgZqKDsp7g/C5emj8LlgBZ95fJyy8l na5phGMx1l4kY0CcctQYuQGxzDlojwAAAAMBAAEAAAF/cNVYT+Om4x9+SItcz5bOByGIOj yWUH8f9rRjnr5ILuwabIDgvFaVG+xM1O1hWADqzMnSEcknHRkTYEsqYPykAtxFvjOFEh70 6qRUJ+fVZkqRGEaI3oWyWKTOhcCIYImtONvb0LOv/HQ2H2AXCoeqjST1qr/xSuljBtcB8u wxs3EqaO1yU7QoZpDcMX9plH7Rmc9nNfZcgrnktPk2deX2+Y/A5tzdVgG1IeqYp6CBMLNM uhL0OPdDehgBoDujx+rhkZ1gpo1wcULIM94NL7VSHBPX0Lgh9T+3j1HVP+YnMAvhfOvfct LlbJ06+TYGRAMuF2LPCAZM/m0FEyAurRgWxAjLXm+4kp2GAJXlw82deDkQ+P8cHNT6s9ZH R5YSy3lpZ35594ZMOLR8KqVvhgJGF6i9019BiF91SDxjE+sp6dNGfN8W+64tHdDv2a0Mso +8Qjyx7sTpi++EjLU8Iy73/e4B8qbXMyheyA/UUfgMtNKShh6sLlrD9h2Sm9RFTuEAAADA Jh3u7WfnjhhKZYbAW4TsPNXDMrB0/t7xyAQgFmko7JfESyrJSLg1cO+QMOiDgD7zuQ9RSp NIKdPsnIna5peh979mVjb2HgnikjyJECmBpLdwZKhX7MnIvgKw5lnQXHboEtWCa1N58l7f srzwbi9pFUuUp9dShXNffmlUCjDRsVLbK5C6+iaIQyCWFYK8mc6dpNkIoPKf+Xg+EJCIFQ oITqeu30Gc1+M+fdZc2ghq0b6XLthh/uHEry8b68M5KglMAAAAwQDw1i+IdcvPV/3u/q9O /kzLpKO3tbT89sc1zhjZsDNjDAGluNr6n38iq/XYRZu7UTL9BG+EgFVfIUV7XsYT5e+BPf 13VS94rzZ7maCsOlULX+VdMO2zBucHIoec9RUlRZrfB21B2W7YGMhbpoa5lN3lKJQ7afHo dXZUMp0cTFbOmbzJgSzO2/NE7BhVwmvcUzTDJGMMKuxBO6w99YKDKRKm0PNLFDz26rWm9L dNS2MVfVuPMTpzT26HQG4pFageq9cAAADBALzRBXdZF8kbSBa5MTUBVTTzgKQm1C772gJ8 T01DJEXZsVtOv7mUC1/m/by6Hk4tPyvDBuGj9hHq4N7dPqGutHb1q5n0ADuoQjRW7BXw5Q vC2EAD91xexdorIA5BgXU+qltBqzzBVzVtF7+jOZOjfzOlaTX9I5I5veyeTaTxZj1XXUzi btBNdMEJJp7ifucYmoYAAwE7K+VlWagDEK2y8Mte9y9E+N0uO2j+h85sQt/UIb2iE/vhcg Bgp6142WnSCQAAABt0ZXN0IGtleSB3aXRob3V0IHBhc3NwaHJhc2UB -----END OPENSSH PRIVATE KEY----- ''', 'public_key': rb'''ssh-rsa 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 test key without passphrase ''', 'public_key_data': bytes.fromhex(''' 00 00 00 07 73 73 68 2d 72 73 61 00 00 00 03 01 00 01 00 00 01 81 00 b1 a1 ee e9 7b 38 71 5b 2e 0d 23 49 94 c0 aa a0 f5 60 98 38 04 be 22 3c 4d f5 e6 1c aa 97 dc 99 08 a8 8d cb b2 f5 7b 22 37 fc 58 27 53 bd e1 2a ec 29 2e 66 12 26 b6 c4 79 d8 03 84 54 0a 14 f2 60 d7 0c da fe 9c 9e 70 50 fc df d5 42 1a 46 30 de d2 57 17 5b 84 a5 17 4d 61 42 c1 b8 c1 80 ee ab 1b 21 c1 e9 6b 68 1f cb dd ed 33 84 3e df 8d 81 c5 f0 86 c5 b2 a1 a5 14 75 84 c0 eb 65 7e 18 5f 6f 12 6c 4c 68 2e 2e 6e 00 f3 f8 1d 10 90 f9 da b9 2a 0d c6 69 21 70 87 b4 96 c2 cd 6f 5a 42 95 9c b3 f3 c3 c3 9c a5 c2 5f f7 74 1e e3 7f 1c 9f ac 6c f8 3b 74 2b ce ca a1 58 4b 22 a7 de e6 3a 6c 25 ea a0 87 6e af 15 f3 1f 73 bb cf 43 fc 7f 9b 1b 98 a3 ab 18 62 8d b8 dc 55 45 b7 95 97 f0 ff de e0 cb d2 7a ac 6d f5 1c d6 ab e4 7f 06 c9 c2 d3 17 0b 82 15 ea 43 99 31 29 36 04 0b 2a 87 bc 78 f2 04 3e ae 16 1e 11 54 a2 f0 5d c2 5a ce 07 25 0a 2a ac 6b 7b 2b d6 b7 98 24 a5 30 11 cf ef 4b b7 c3 a3 04 ed eb a6 a2 bc b1 95 4a 1f 7b 04 dd d7 b6 44 93 37 57 d3 c9 76 66 52 b3 66 fc 10 52 b7 3e c5 06 76 53 0f 33 da 67 d6 e9 38 b8 82 2d 29 60 66 a2 83 b2 9e e0 fc 2e 5e 9a 3f 0b 96 00 59 f7 97 c9 cb 2f 25 9d ae 69 84 63 31 d6 5e 24 63 40 9c 72 d4 18 b9 01 b1 cc 39 68 8f '''), 'expected_signature': bytes.fromhex(''' 00 00 00 07 73 73 68 2d 72 73 61 00 00 01 80 a2 10 7c 2e f6 bb 53 a8 74 2a a1 19 99 ad 81 be 79 9c ed d6 9d 09 4e 6e c5 18 48 33 90 77 99 68 f7 9e 03 5a cd 4e 18 eb 89 7d 85 a2 ee ae 4a 92 f6 6f ce b9 fe 86 7f 2a 6b 31 da 6e 1a fe a2 a5 88 b8 44 7f a1 76 73 b3 ec 75 b5 d0 a6 b9 15 97 65 09 13 7d 94 21 d1 fb 5d 0f 8b 23 04 77 c2 c3 55 22 b1 a0 09 8a f5 38 2a d6 7f 1b 87 29 a0 25 d3 25 6f cb 64 61 07 98 dc 14 c5 84 f8 92 24 5e 50 11 6b 49 e5 f0 cc 29 cb 29 a9 19 d8 a7 71 1f 91 0b 05 b1 01 4b c2 5f 00 a5 b6 21 bf f8 2c 9d 67 9b 47 3b 0a 49 6b 79 2d fc 1d ec 0c b0 e5 27 22 d5 a9 f8 d3 c3 f9 df 48 68 e9 fb ef 3c dc 26 bf cf ea 29 43 01 a6 e3 c5 51 95 f4 66 6d 8a 55 e2 47 ec e8 30 45 4c ae 47 e7 c9 a4 21 8b 64 ba b6 88 f6 21 f8 73 b9 cb 11 a1 78 75 92 c6 5a e5 64 fe ed 42 d9 95 99 e6 2b 6f 3c 16 3c 28 74 a4 72 2f 0d 3f 2c 33 67 aa 35 19 8e e7 b5 11 2f b3 f7 6a c5 02 e2 6f a3 42 e3 62 19 99 03 ea a5 20 e7 a1 e3 bc c8 06 a3 b5 7c d6 76 5d df 6f 60 46 83 2a 08 00 d6 d3 d9 a4 c1 41 8c f8 60 56 45 81 da 3b a2 16 1f 9e 4e 75 83 17 da c3 53 c3 3e 19 a4 1b bc d2 29 b8 78 61 2b 78 e6 b1 52 b0 d5 ec de 69 2c 48 62 d9 fd d1 9b 6b b0 49 db d3 ff 38 e7 10 d9 2d ce 9f 0d 5e 09 7b 37 d2 7b c3 bf ce '''), }, } UNSUITABLE = { 'dsa1024': { 'private_key': rb'''-----BEGIN OPENSSH PRIVATE KEY----- b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAABsQAAAAdzc2gtZH NzAAAAgQC7KAZXqBGNVLBQPrcMYAoNW54BhD8aIhe7BDWYzJcsaMt72VKSkguZ8+XR7nRa 0C/ZsBi+uJp0dpxy9ZMTOWX4u5YPMeQcXEdGExZIfimGqSOAsy6fCld2IfJZJZExcCmhe9 Ssjsd3YSAPJRluOXFQc95MZoR5hMwlIDD8QzrE7QAAABUA99nOZOgd7aHMVGoXpUEBcn7H ossAAACALr2Ag3hxM3rKdxzVUw8fX0VVPXO+3+Kr8hGe0Kc/7NwVaBVL1GQ8fenBuWynpA UbH0wo3h1wkB/8hX6p+S8cnu5rIBlUuVNwLw/bIYohK98LfqTYK/V+g6KD+8m34wvEiXZm qywY54n2bksch1Nqvj/tNpLzExSx/XS0kSM1aigAAACAbQNRPcVEuGDrEcf+xg5tgAejPX BPXr/Jss+Chk64km3mirMYjAWyWYtVcgT+7hOYxtYRin8LyMLqKRmqa0Q5UrvDfChgLhvs G9YSb/Mpw5qm8PiHSafwhkaz/te3+8hKogqoe7sd+tCF06IpJr5k70ACiNtRGqssNF8Elr l1efYAAAH4swlfVrMJX1YAAAAHc3NoLWRzcwAAAIEAuygGV6gRjVSwUD63DGAKDVueAYQ/ GiIXuwQ1mMyXLGjLe9lSkpILmfPl0e50WtAv2bAYvriadHaccvWTEzll+LuWDzHkHFxHRh MWSH4phqkjgLMunwpXdiHyWSWRMXApoXvUrI7Hd2EgDyUZbjlxUHPeTGaEeYTMJSAw/EM6 xO0AAAAVAPfZzmToHe2hzFRqF6VBAXJ+x6LLAAAAgC69gIN4cTN6yncc1VMPH19FVT1zvt /iq/IRntCnP+zcFWgVS9RkPH3pwblsp6QFGx9MKN4dcJAf/IV+qfkvHJ7uayAZVLlTcC8P 2yGKISvfC36k2Cv1foOig/vJt+MLxIl2ZqssGOeJ9m5LHIdTar4/7TaS8xMUsf10tJEjNW ooAAAAgG0DUT3FRLhg6xHH/sYObYAHoz1wT16/ybLPgoZOuJJt5oqzGIwFslmLVXIE/u4T mMbWEYp/C8jC6ikZqmtEOVK7w3woYC4b7BvWEm/zKcOapvD4h0mn8IZGs/7Xt/vISqIKqH u7HfrQhdOiKSa+ZO9AAojbURqrLDRfBJa5dXn2AAAAFQDJHfenj4EJ9WkehpdJatPBlqCW 0gAAABt0ZXN0IGtleSB3aXRob3V0IHBhc3NwaHJhc2UBAgMEBQYH -----END OPENSSH PRIVATE KEY----- ''', 'public_key': rb'''ssh-dss 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 test key without passphrase ''', 'public_key_data': bytes.fromhex(''' 00 00 00 07 73 73 68 2d 64 73 73 00 00 00 81 00 bb 28 06 57 a8 11 8d 54 b0 50 3e b7 0c 60 0a 0d 5b 9e 01 84 3f 1a 22 17 bb 04 35 98 cc 97 2c 68 cb 7b d9 52 92 92 0b 99 f3 e5 d1 ee 74 5a d0 2f d9 b0 18 be b8 9a 74 76 9c 72 f5 93 13 39 65 f8 bb 96 0f 31 e4 1c 5c 47 46 13 16 48 7e 29 86 a9 23 80 b3 2e 9f 0a 57 76 21 f2 59 25 91 31 70 29 a1 7b d4 ac 8e c7 77 61 20 0f 25 19 6e 39 71 50 73 de 4c 66 84 79 84 cc 25 20 30 fc 43 3a c4 ed 00 00 00 15 00 f7 d9 ce 64 e8 1d ed a1 cc 54 6a 17 a5 41 01 72 7e c7 a2 cb 00 00 00 80 2e bd 80 83 78 71 33 7a ca 77 1c d5 53 0f 1f 5f 45 55 3d 73 be df e2 ab f2 11 9e d0 a7 3f ec dc 15 68 15 4b d4 64 3c 7d e9 c1 b9 6c a7 a4 05 1b 1f 4c 28 de 1d 70 90 1f fc 85 7e a9 f9 2f 1c 9e ee 6b 20 19 54 b9 53 70 2f 0f db 21 8a 21 2b df 0b 7e a4 d8 2b f5 7e 83 a2 83 fb c9 b7 e3 0b c4 89 76 66 ab 2c 18 e7 89 f6 6e 4b 1c 87 53 6a be 3f ed 36 92 f3 13 14 b1 fd 74 b4 91 23 35 6a 28 00 00 00 80 6d 03 51 3d c5 44 b8 60 eb 11 c7 fe c6 0e 6d 80 07 a3 3d 70 4f 5e bf c9 b2 cf 82 86 4e b8 92 6d e6 8a b3 18 8c 05 b2 59 8b 55 72 04 fe ee 13 98 c6 d6 11 8a 7f 0b c8 c2 ea 29 19 aa 6b 44 39 52 bb c3 7c 28 60 2e 1b ec 1b d6 12 6f f3 29 c3 9a a6 f0 f8 87 49 a7 f0 86 46 b3 fe d7 b7 fb c8 4a a2 0a a8 7b bb 1d fa d0 85 d3 a2 29 26 be 64 ef 40 02 88 db 51 1a ab 2c 34 5f 04 96 b9 75 79 f6 '''), 'expected_signature': None, }, 'ecdsa256': { 'private_key': rb'''-----BEGIN OPENSSH PRIVATE KEY----- b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAaAAAABNlY2RzYS 1zaGEyLW5pc3RwMjU2AAAACG5pc3RwMjU2AAAAQQTLbU0zDwsk2Dvp+VYIrsNVf5gWwz2S 3SZ8TbxiQRkpnGSVqyIoHJOJc+NQItAa7xlJ/8Z6gfz57Z3apUkaMJm6AAAAuKeY+YinmP mIAAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBMttTTMPCyTYO+n5 Vgiuw1V/mBbDPZLdJnxNvGJBGSmcZJWrIigck4lz41Ai0BrvGUn/xnqB/PntndqlSRowmb oAAAAhAKIl/3n0pKVIxpZkXTGtii782Qr4yIcvHdpxjO/QsIqKAAAAG3Rlc3Qga2V5IHdp dGhvdXQgcGFzc3BocmFzZQECAwQ= -----END OPENSSH PRIVATE KEY----- ''', 'public_key': rb'''ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBMttTTMPCyTYO+n5Vgiuw1V/mBbDPZLdJnxNvGJBGSmcZJWrIigck4lz41Ai0BrvGUn/xnqB/PntndqlSRowmbo= test key without passphrase ''', 'public_key_data': bytes.fromhex(''' 00 00 00 13 65 63 64 73 61 2d 73 68 61 32 2d 6e 69 73 74 70 32 35 36 00 00 00 08 6e 69 73 74 70 32 35 36 00 00 00 41 04 cb 6d 4d 33 0f 0b 24 d8 3b e9 f9 56 08 ae c3 55 7f 98 16 c3 3d 92 dd 26 7c 4d bc 62 41 19 29 9c 64 95 ab 22 28 1c 93 89 73 e3 50 22 d0 1a ef 19 49 ff c6 7a 81 fc f9 ed 9d da a5 49 1a 30 99 ba '''), 'expected_signature': None, }, 'ecdsa384': { 'private_key': rb'''-----BEGIN OPENSSH PRIVATE KEY----- b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAiAAAABNlY2RzYS 1zaGEyLW5pc3RwMzg0AAAACG5pc3RwMzg0AAAAYQSgkOjkAvq7v5vHuj3KBL4/EAWcn5hZ DyKcbyV0eBMGFq7hKXQlZqIahLVqeMR0QqmkxNJ2rly2VHcXneq3vZ+9fIsWCOdYk5WP3N ZPzv911Xn7wbEkC7QndD5zKlm4pBUAAADomhj+IZoY/iEAAAATZWNkc2Etc2hhMi1uaXN0 cDM4NAAAAAhuaXN0cDM4NAAAAGEEoJDo5AL6u7+bx7o9ygS+PxAFnJ+YWQ8inG8ldHgTBh au4Sl0JWaiGoS1anjEdEKppMTSdq5ctlR3F53qt72fvXyLFgjnWJOVj9zWT87/ddV5+8Gx JAu0J3Q+cypZuKQVAAAAMQD5sTy8p+B1cn/DhOmXquui1BcxvASqzzevkBlbQoBa73y04B 2OdqVOVRkwZWRROz0AAAAbdGVzdCBrZXkgd2l0aG91dCBwYXNzcGhyYXNlAQIDBA== -----END OPENSSH PRIVATE KEY----- ''', 'public_key': rb'''ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBKCQ6OQC+ru/m8e6PcoEvj8QBZyfmFkPIpxvJXR4EwYWruEpdCVmohqEtWp4xHRCqaTE0nauXLZUdxed6re9n718ixYI51iTlY/c1k/O/3XVefvBsSQLtCd0PnMqWbikFQ== test key without passphrase ''', 'public_key_data': bytes.fromhex(''' 00 00 00 13 65 63 64 73 61 2d 73 68 61 32 2d 6e 69 73 74 70 33 38 34 00 00 00 08 6e 69 73 74 70 33 38 34 00 00 00 61 04 a0 90 e8 e4 02 fa bb bf 9b c7 ba 3d ca 04 be 3f 10 05 9c 9f 98 59 0f 22 9c 6f 25 74 78 13 06 16 ae e1 29 74 25 66 a2 1a 84 b5 6a 78 c4 74 42 a9 a4 c4 d2 76 ae 5c b6 54 77 17 9d ea b7 bd 9f bd 7c 8b 16 08 e7 58 93 95 8f dc d6 4f ce ff 75 d5 79 fb c1 b1 24 0b b4 27 74 3e 73 2a 59 b8 a4 15 '''), 'expected_signature': None, }, } def test_client_uint32(): uint32 = ssh_agent_client.SSHAgentClient.uint32 assert uint32(16777216) == b'\x01\x00\x00\x00' @pytest.mark.parametrize(['value', 'exc_type', 'exc_pattern'], [ (10000000000000000, OverflowError, 'int too big to convert'), (-1, OverflowError, "can't convert negative int to unsigned"), ]) def test_client_uint32_exceptions(value, exc_type, exc_pattern): uint32 = ssh_agent_client.SSHAgentClient.uint32 with pytest.raises(exc_type, match=exc_pattern): uint32(value) @pytest.mark.parametrize(['input', 'expected'], [ (b'ssh-rsa', b'\x00\x00\x00\x07ssh-rsa'), (b'ssh-ed25519', b'\x00\x00\x00\x0bssh-ed25519'), ( ssh_agent_client.SSHAgentClient.string(b'ssh-ed25519'), b'\x00\x00\x00\x0f\x00\x00\x00\x0bssh-ed25519', ), ]) def test_client_string(input, expected): string = ssh_agent_client.SSHAgentClient.string assert bytes(string(input)) == expected @pytest.mark.parametrize(['input', 'expected'], [ (b'\x00\x00\x00\x07ssh-rsa', b'ssh-rsa'), ( ssh_agent_client.SSHAgentClient.string(b'ssh-ed25519'), b'ssh-ed25519', ), ]) def test_client_unstring(input, expected): unstring = ssh_agent_client.SSHAgentClient.unstring unstring_prefix = ssh_agent_client.SSHAgentClient.unstring_prefix assert bytes(unstring(input)) == expected assert tuple(bytes(x) for x in unstring_prefix(input)) == (expected, b'') @pytest.mark.parametrize( ['input', 'exc_type', 'exc_pattern', 'has_trailer', 'parts'], [ (b'ssh', ValueError, 'malformed SSH byte string', False, None), ( b'\x00\x00\x00\x08ssh-rsa', ValueError, 'malformed SSH byte string', False, None, ), ( b'\x00\x00\x00\x04XXX trailing text', ValueError, 'malformed SSH byte string', True, (b'XXX ', b'trailing text'), ), ]) def test_client_unstring_exceptions(input, exc_type, exc_pattern, has_trailer, parts): unstring = ssh_agent_client.SSHAgentClient.unstring unstring_prefix = ssh_agent_client.SSHAgentClient.unstring_prefix with pytest.raises(exc_type, match=exc_pattern): unstring(input) if has_trailer: assert tuple(bytes(x) for x in unstring_prefix(input)) == parts else: with pytest.raises(exc_type, match=exc_pattern): unstring_prefix(input) def test_key_decoding(): public_key = SUPPORTED['ed25519']['public_key'] public_key_data = SUPPORTED['ed25519']['public_key_data'] keydata = base64.b64decode(public_key.split(None, 2)[1]) assert ( keydata == public_key_data ), "recorded public key data doesn't match" @pytest.mark.parametrize(['keytype', 'data_dict'], list(SUPPORTED.items())) def test_sign_data_via_agent(keytype, data_dict): private_key = data_dict['private_key'] try: result = subprocess.run(['ssh-add', '-t', '30', '-q', '-'], input=private_key, check=True, capture_output=True) except subprocess.CalledProcessError as e: pytest.skip( f"uploading test key: {e!r}, stdout={e.stdout!r}, " f"stderr={e.stderr!r}" ) else: try: client = ssh_agent_client.SSHAgentClient() except OSError: # pragma: no cover pytest.skip('communication error with the SSH agent') with client: key_comment_pairs = {bytes(k): bytes(c) for k, c in client.list_keys()} public_key_data = data_dict['public_key_data'] expected_signature = data_dict['expected_signature'] if public_key_data not in key_comment_pairs: # pragma: no cover pytest.skip('prerequisite SSH key not loaded') signature = bytes(client.sign( payload=derivepassphrase.Vault._UUID, key=public_key_data)) assert signature == expected_signature, 'SSH signature mismatch' signature2 = bytes(client.sign( payload=derivepassphrase.Vault._UUID, key=public_key_data)) assert signature2 == expected_signature, 'SSH signature mismatch' assert ( derivepassphrase.Vault.phrase_from_signature(public_key_data) == expected_signature ), 'SSH signature mismatch' @pytest.mark.parametrize(['keytype', 'data_dict'], list(UNSUITABLE.items())) def test_sign_data_via_agent_unsupported(keytype, data_dict): private_key = data_dict['private_key'] try: result = subprocess.run(['ssh-add', '-t', '30', '-q', '-'], input=private_key, check=True, capture_output=True) except subprocess.CalledProcessError as e: # pragma: no cover pytest.skip( f"uploading test key: {e!r}, stdout={e.stdout!r}, " f"stderr={e.stderr!r}" ) else: try: client = ssh_agent_client.SSHAgentClient() except OSError: # pragma: no cover pytest.skip('communication error with the SSH agent') with client: key_comment_pairs = {bytes(k): bytes(c) for k, c in client.list_keys()} public_key_data = data_dict['public_key_data'] expected_signature = data_dict['expected_signature'] if public_key_data not in key_comment_pairs: # pragma: no cover pytest.skip('prerequisite SSH key not loaded') signature = bytes(client.sign( payload=derivepassphrase.Vault._UUID, key=public_key_data)) signature2 = bytes(client.sign( payload=derivepassphrase.Vault._UUID, key=public_key_data)) assert signature != signature2, 'SSH signature repeatable?!' with pytest.raises(ValueError, match='unsuitable SSH key'): derivepassphrase.Vault.phrase_from_signature(public_key_data)
