# Copyright (C) 2003-2009 Robey Pointer # # This file is part of paramiko. # # Paramiko is free software; you can redistribute it and/or modify it under the # terms of the GNU Lesser General Public License as published by the Free # Software Foundation; either version 2.1 of the License, or (at your option) # any later version. # # Paramiko is distributed in the hope that it will be useful, but WITHOUT ANY # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR # A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more # details. # # You should have received a copy of the GNU Lesser General Public License # along with Paramiko; if not, write to the Free Software Foundation, Inc., # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. """ Some unit tests for public/private key objects. """ from binascii import hexlify, unhexlify import unittest from paramiko import RSAKey, DSSKey, ECDSAKey, Message, util from paramiko.common import rng, StringIO, byte_chr, b, PY3, bytes from tests.util import test_path # from openssh's ssh-keygen PUB_RSA = 'ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEA049W6geFpmsljTwfvI1UmKWWJPNFI74+vNKTk4dmzkQY2yAMs6FhlvhlI8ysU4oj71ZsRYMecHbBbxdN79+JRFVYTKaLqjwGENeTd+yv4q+V2PvZv3fLnzApI3l7EJCqhWwJUHJ1jAkZzqDx0tyOL4uoZpww3nmE0kb3y21tH4c=' PUB_DSS = 'ssh-dss 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' PUB_ECDSA = 'ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBJSPZm3ZWkvk/Zx8WP+fZRZ5/NBBHnGQwR6uIC6XHGPDIHuWUzIjAwA0bzqkOUffEsbLe+uQgKl5kbc/L8KA/eo=' FINGER_RSA = '1024 60:73:38:44:cb:51:86:65:7f:de:da:a2:2b:5a:57:d5' FINGER_DSS = '1024 44:78:f0:b9:a2:3c:c5:18:20:09:ff:75:5b:c1:d2:6c' FINGER_ECDSA = '256 25:19:eb:55:e6:a1:47:ff:4f:38:d2:75:6f:a5:d5:60' SIGNED_RSA = '20:d7:8a:31:21:cb:f7:92:12:f2:a4:89:37:f5:78:af:e6:16:b6:25:b9:97:3d:a2:cd:5f:ca:20:21:73:4c:ad:34:73:8f:20:77:28:e2:94:15:08:d8:91:40:7a:85:83:bf:18:37:95:dc:54:1a:9b:88:29:6c:73:ca:38:b4:04:f1:56:b9:f2:42:9d:52:1b:29:29:b4:4f:fd:c9:2d:af:47:d2:40:76:30:f3:63:45:0c:d9:1d:43:86:0f:1c:70:e2:93:12:34:f3:ac:c5:0a:2f:14:50:66:59:f1:88:ee:c1:4a:e9:d1:9c:4e:46:f0:0e:47:6f:38:74:f1:44:a8' RSA_PRIVATE_OUT = """\ -----BEGIN RSA PRIVATE KEY----- MIICXAIBAAKCAIEA049W6geFpmsljTwfvI1UmKWWJPNFI74+vNKTk4dmzkQY2yAM s6FhlvhlI8ysU4oj71ZsRYMecHbBbxdN79+JRFVYTKaLqjwGENeTd+yv4q+V2PvZ v3fLnzApI3l7EJCqhWwJUHJ1jAkZzqDx0tyOL4uoZpww3nmE0kb3y21tH4cCASMC ggCAEiI6plhqipt4P05L3PYr0pHZq2VPEbE4k9eI/gRKo/c1VJxY3DJnc1cenKsk trQRtW3OxCEufqsX5PNec6VyKkW+Ox6beJjMKm4KF8ZDpKi9Nw6MdX3P6Gele9D9 +ieyhVFljrnAqcXsgChTBOYlL2imqCs3qRGAJ3cMBIAx3VsCQQD3pIFVYW398kE0 n0e1icEpkbDRV4c5iZVhu8xKy2yyfy6f6lClSb2+Ub9uns7F3+b5v0pYSHbE9+/r OpRq83AfAkEA2rMZlr8SnMXgnyka2LuggA9QgMYy18hyao1dUxySubNDa9N+q2QR mwDisTUgRFHKIlDHoQmzPbXAmYZX1YlDmQJBAPCRLS5epV0XOAc7pL762OaNhzHC veAfQKgVhKBt105PqaKpGyQ5AXcNlWQlPeTK4GBTbMrKDPna6RBkyrEJvV8CQBK+ 5O+p+kfztCrmRCE0p1tvBuZ3Y3GU1ptrM+KNa6mEZN1bRV8l1Z+SXJLYqv6Kquz/ nBUeFq2Em3rfoSDugiMCQDyG3cxD5dKX3IgkhLyBWls/FLDk4x/DQ+NUTu0F1Cu6 JJye+5ARLkL0EweMXf0tmIYfWItDLsWB0fKg/56h0js= -----END RSA PRIVATE KEY----- """ DSS_PRIVATE_OUT = """\ -----BEGIN DSA PRIVATE KEY----- MIIBvgIBAAKCAIEA54GmA2d9HOv+3CYBBG7ZfBYCncIW2tWe6Dqzp+DCP+guNhtW 2MDLqmX+HQQoJbHat/Uh63I2xPFaueID0jod4OPrlfUXIOSDqDy28Kdo0Hxen9RS G7Me4awwiKlHEHHD0sXrTwSplyPUTfK2S2hbkHk5yOuQSjPfEbsL6ukiNi8CFQDw z4UnmsGiSNu5iqjn3uTzwUpshwKCAIEAkxfFeY8P2wZpDjX0MimZl5wkoFQDL25c PzGBuB4OnB8NoUk/yjAHIIpEShw8V+LzouMK5CTJQo5+Ngw3qIch/WgRmMHy4kBq 1SsXMjQCte1So6HBMvBPIW5SiMTmjCfZZiw4AYHK+B/JaOwaG9yRg2Ejg4Ok10+X FDxlqZo8Y+wCggCARmR7CCPjodxASvRbIyzaVpZoJ/Z6x7dAumV+ysrV1BVYd0lY ukmnjO1kKBWApqpH1ve9XDQYN8zgxM4b16L21kpoWQnZtXrY3GZ4/it9kUgyB7+N wacIBlXa8cMDL7Q/69o0d54U0X/NeX5QxuYR6OMJlrkQB7oiW/P/1mwjQgECFGI9 QPSch9pT9XHqn+1rZ4bK+QGA -----END DSA PRIVATE KEY----- """ ECDSA_PRIVATE_OUT = """\ -----BEGIN EC PRIVATE KEY----- MHcCAQEEIKB6ty3yVyKEnfF/zprx0qwC76MsMlHY4HXCnqho2eKioAoGCCqGSM49 AwEHoUQDQgAElI9mbdlaS+T9nHxY/59lFnn80EEecZDBHq4gLpccY8Mge5ZTMiMD ADRvOqQ5R98Sxst765CAqXmRtz8vwoD96g== -----END EC PRIVATE KEY----- """ x1234 = unhexlify(b('01020304')) class KeyTest (unittest.TestCase): def setUp(self): pass def tearDown(self): pass def test_1_generate_key_bytes(self): from Crypto.Hash import MD5 key = util.generate_key_bytes(MD5, x1234, 'happy birthday', 30) exp = unhexlify(b('61E1F272F4C1C4561586BD322498C0E924672780F47BB37DDA7D54019E64')) self.assertEquals(exp, key) def test_2_load_rsa(self): key = RSAKey.from_private_key_file(test_path('test_rsa.key')) self.assertEquals('ssh-rsa', key.get_name()) exp_rsa = b(FINGER_RSA.split()[1].replace(':', '')) my_rsa = hexlify(key.get_fingerprint()) self.assertEquals(exp_rsa, my_rsa) self.assertEquals(PUB_RSA.split()[1], key.get_base64()) self.assertEquals(1024, key.get_bits()) s = StringIO() key.write_private_key(s) self.assertEquals(RSA_PRIVATE_OUT, s.getvalue()) s.seek(0) key2 = RSAKey.from_private_key(s) self.assertEquals(key, key2) def test_3_load_rsa_password(self): key = RSAKey.from_private_key_file(test_path('test_rsa_password.key'), 'television') self.assertEquals('ssh-rsa', key.get_name()) exp_rsa = b(FINGER_RSA.split()[1].replace(':', '')) my_rsa = hexlify(key.get_fingerprint()) self.assertEquals(exp_rsa, my_rsa) self.assertEquals(PUB_RSA.split()[1], key.get_base64()) self.assertEquals(1024, key.get_bits()) def test_4_load_dss(self): key = DSSKey.from_private_key_file(test_path('test_dss.key')) self.assertEquals('ssh-dss', key.get_name()) exp_dss = b(FINGER_DSS.split()[1].replace(':', '')) my_dss = hexlify(key.get_fingerprint()) self.assertEquals(exp_dss, my_dss) self.assertEquals(PUB_DSS.split()[1], key.get_base64()) self.assertEquals(1024, key.get_bits()) s = StringIO() key.write_private_key(s) self.assertEquals(DSS_PRIVATE_OUT, s.getvalue()) s.seek(0) key2 = DSSKey.from_private_key(s) self.assertEquals(key, key2) def test_5_load_dss_password(self): key = DSSKey.from_private_key_file(test_path('test_dss_password.key'), 'television') self.assertEquals('ssh-dss', key.get_name()) exp_dss = b(FINGER_DSS.split()[1].replace(':', '')) my_dss = hexlify(key.get_fingerprint()) self.assertEquals(exp_dss, my_dss) self.assertEquals(PUB_DSS.split()[1], key.get_base64()) self.assertEquals(1024, key.get_bits()) def test_6_compare_rsa(self): # verify that the private & public keys compare equal key = RSAKey.from_private_key_file(test_path('test_rsa.key')) self.assertEquals(key, key) pub = RSAKey(data=key.asbytes()) self.assert_(key.can_sign()) self.assert_(not pub.can_sign()) self.assertEquals(key, pub) def test_7_compare_dss(self): # verify that the private & public keys compare equal key = DSSKey.from_private_key_file(test_path('test_dss.key')) self.assertEquals(key, key) pub = DSSKey(data=key.asbytes()) self.assert_(key.can_sign()) self.assert_(not pub.can_sign()) self.assertEquals(key, pub) def test_8_sign_rsa(self): # verify that the rsa private key can sign and verify key = RSAKey.from_private_key_file(test_path('test_rsa.key')) msg = key.sign_ssh_data(rng, b('ice weasels')) self.assert_(type(msg) is Message) msg.rewind() self.assertEquals('ssh-rsa', msg.get_text()) sig = bytes().join([byte_chr(int(x, 16)) for x in SIGNED_RSA.split(':')]) self.assertEquals(sig, msg.get_binary()) msg.rewind() pub = RSAKey(data=key.asbytes()) self.assert_(pub.verify_ssh_sig(b('ice weasels'), msg)) def test_9_sign_dss(self): # verify that the dss private key can sign and verify key = DSSKey.from_private_key_file(test_path('test_dss.key')) msg = key.sign_ssh_data(rng, b('ice weasels')) self.assert_(type(msg) is Message) msg.rewind() self.assertEquals('ssh-dss', msg.get_text()) # can't do the same test as we do for RSA, because DSS signatures # are usually different each time. but we can test verification # anyway so it's ok. self.assertEquals(40, len(msg.get_binary())) msg.rewind() pub = DSSKey(data=key.asbytes()) self.assert_(pub.verify_ssh_sig(b('ice weasels'), msg)) def test_A_generate_rsa(self): key = RSAKey.generate(1024) msg = key.sign_ssh_data(rng, b('jerri blank')) msg.rewind() self.assert_(key.verify_ssh_sig(b('jerri blank'), msg)) def test_B_generate_dss(self): key = DSSKey.generate(1024) msg = key.sign_ssh_data(rng, b('jerri blank')) msg.rewind() self.assert_(key.verify_ssh_sig(b('jerri blank'), msg)) def test_10_load_ecdsa(self): key = ECDSAKey.from_private_key_file(test_path('test_ecdsa.key')) self.assertEquals('ecdsa-sha2-nistp256', key.get_name()) exp_ecdsa = b(FINGER_ECDSA.split()[1].replace(':', '')) my_ecdsa = hexlify(key.get_fingerprint()) self.assertEquals(exp_ecdsa, my_ecdsa) self.assertEquals(PUB_ECDSA.split()[1], key.get_base64()) self.assertEquals(256, key.get_bits()) s = StringIO() key.write_private_key(s) self.assertEquals(ECDSA_PRIVATE_OUT, s.getvalue()) s.seek(0) key2 = ECDSAKey.from_private_key(s) self.assertEquals(key, key2) def test_11_load_ecdsa_password(self): key = ECDSAKey.from_private_key_file(test_path('test_ecdsa_password.key'), b('television')) self.assertEquals('ecdsa-sha2-nistp256', key.get_name()) exp_ecdsa = b(FINGER_ECDSA.split()[1].replace(':', '')) my_ecdsa = hexlify(key.get_fingerprint()) self.assertEquals(exp_ecdsa, my_ecdsa) self.assertEquals(PUB_ECDSA.split()[1], key.get_base64()) self.assertEquals(256, key.get_bits()) def test_12_compare_ecdsa(self): # verify that the private & public keys compare equal key = ECDSAKey.from_private_key_file(test_path('test_ecdsa.key')) self.assertEquals(key, key) pub = ECDSAKey(data=key.asbytes()) self.assert_(key.can_sign()) self.assert_(not pub.can_sign()) self.assertEquals(key, pub) def test_13_sign_ecdsa(self): # verify that the rsa private key can sign and verify key = ECDSAKey.from_private_key_file(test_path('test_ecdsa.key')) msg = key.sign_ssh_data(rng, b('ice weasels')) self.assert_(type(msg) is Message) msg.rewind() self.assertEquals('ecdsa-sha2-nistp256', msg.get_text()) # ECDSA signatures, like DSS signatures, tend to be different # each time, so we can't compare against a "known correct" # signature. # Even the length of the signature can change. msg.rewind() pub = ECDSAKey(data=key.asbytes()) self.assert_(pub.verify_ssh_sig(b('ice weasels'), msg))