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test_import_RSA.py
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# -*- coding: utf-8 -*- # # SelfTest/PublicKey/test_importKey.py: Self-test for importing RSA keys # # =================================================================== # The contents of this file are dedicated to the public domain. To # the extent that dedication to the public domain is not available, # everyone is granted a worldwide, perpetual, royalty-free, # non-exclusive license to exercise all rights associated with the # contents of this file for any purpose whatsoever. # No rights are reserved. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS # BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE # SOFTWARE. # =================================================================== import unittest import re from Cryptodome.PublicKey import RSA from Cryptodome.SelfTest.st_common import * from Cryptodome.Util.py3compat import * from Cryptodome.Util.number import inverse from Cryptodome.Util import asn1 from Cryptodome.Util._file_system import pycryptodome_filename def load_file(filename, mode="rb"): comps = [ "Cryptodome", "SelfTest", "PublicKey", "test_vectors", "RSA" ] with open(pycryptodome_filename(comps, filename), mode) as fd: return fd.read() def der2pem(der, text='PUBLIC'): import binascii chunks = [ binascii.b2a_base64(der[i:i+48]) for i in range(0, len(der), 48) ] pem = b('-----BEGIN %s KEY-----\n' % text) pem += b('').join(chunks) pem += b('-----END %s KEY-----' % text) return pem class ImportKeyTests(unittest.TestCase): # 512-bit RSA key generated with openssl rsaKeyPEM = u'''-----BEGIN RSA PRIVATE KEY----- MIIBOwIBAAJBAL8eJ5AKoIsjURpcEoGubZMxLD7+kT+TLr7UkvEtFrRhDDKMtuII q19FrL4pUIMymPMSLBn3hJLe30Dw48GQM4UCAwEAAQJACUSDEp8RTe32ftq8IwG8 Wojl5mAd1wFiIOrZ/Uv8b963WJOJiuQcVN29vxU5+My9GPZ7RA3hrDBEAoHUDPrI OQIhAPIPLz4dphiD9imAkivY31Rc5AfHJiQRA7XixTcjEkojAiEAyh/pJHks/Mlr +rdPNEpotBjfV4M4BkgGAA/ipcmaAjcCIQCHvhwwKVBLzzTscT2HeUdEeBMoiXXK JACAr3sJQJGxIQIgarRp+m1WSKV1MciwMaTOnbU7wxFs9DP1pva76lYBzgUCIQC9 n0CnZCJ6IZYqSt0H5N7+Q+2Ro64nuwV/OSQfM6sBwQ== -----END RSA PRIVATE KEY-----''' # As above, but this is actually an unencrypted PKCS#8 key rsaKeyPEM8 = u'''-----BEGIN PRIVATE KEY----- MIIBVQIBADANBgkqhkiG9w0BAQEFAASCAT8wggE7AgEAAkEAvx4nkAqgiyNRGlwS ga5tkzEsPv6RP5MuvtSS8S0WtGEMMoy24girX0WsvilQgzKY8xIsGfeEkt7fQPDj wZAzhQIDAQABAkAJRIMSnxFN7fZ+2rwjAbxaiOXmYB3XAWIg6tn9S/xv3rdYk4mK 5BxU3b2/FTn4zL0Y9ntEDeGsMEQCgdQM+sg5AiEA8g8vPh2mGIP2KYCSK9jfVFzk B8cmJBEDteLFNyMSSiMCIQDKH+kkeSz8yWv6t080Smi0GN9XgzgGSAYAD+KlyZoC NwIhAIe+HDApUEvPNOxxPYd5R0R4EyiJdcokAICvewlAkbEhAiBqtGn6bVZIpXUx yLAxpM6dtTvDEWz0M/Wm9rvqVgHOBQIhAL2fQKdkInohlipK3Qfk3v5D7ZGjrie7 BX85JB8zqwHB -----END PRIVATE KEY-----''' # The same RSA private key as in rsaKeyPEM, but now encrypted rsaKeyEncryptedPEM=( # PEM encryption # With DES and passphrase 'test' ('test', u'''-----BEGIN RSA PRIVATE KEY----- Proc-Type: 4,ENCRYPTED DEK-Info: DES-CBC,AF8F9A40BD2FA2FC Ckl9ex1kaVEWhYC2QBmfaF+YPiR4NFkRXA7nj3dcnuFEzBnY5XULupqQpQI3qbfA u8GYS7+b3toWWiHZivHbAAUBPDIZG9hKDyB9Sq2VMARGsX1yW1zhNvZLIiVJzUHs C6NxQ1IJWOXzTew/xM2I26kPwHIvadq+/VaT8gLQdjdH0jOiVNaevjWnLgrn1mLP BCNRMdcexozWtAFNNqSzfW58MJL2OdMi21ED184EFytIc1BlB+FZiGZduwKGuaKy 9bMbdb/1PSvsSzPsqW7KSSrTw6MgJAFJg6lzIYvR5F4poTVBxwBX3+EyEmShiaNY IRX3TgQI0IjrVuLmvlZKbGWP18FXj7I7k9tSsNOOzllTTdq3ny5vgM3A+ynfAaxp dysKznQ6P+IoqML1WxAID4aGRMWka+uArOJ148Rbj9s= -----END RSA PRIVATE KEY-----'''), # PKCS8 encryption ('winter', u'''-----BEGIN ENCRYPTED PRIVATE KEY----- MIIBpjBABgkqhkiG9w0BBQ0wMzAbBgkqhkiG9w0BBQwwDgQIeZIsbW3O+JcCAggA MBQGCCqGSIb3DQMHBAgSM2p0D8FilgSCAWBhFyP2tiGKVpGj3mO8qIBzinU60ApR 3unvP+N6j7LVgnV2lFGaXbJ6a1PbQXe+2D6DUyBLo8EMXrKKVLqOMGkFMHc0UaV6 R6MmrsRDrbOqdpTuVRW+NVd5J9kQQh4xnfU/QrcPPt7vpJvSf4GzG0n666Ki50OV M/feuVlIiyGXY6UWdVDpcOV72cq02eNUs/1JWdh2uEBvA9fCL0c07RnMrdT+CbJQ NjJ7f8ULtp7xvR9O3Al/yJ4Wv3i4VxF1f3MCXzhlUD4I0ONlr0kJWgeQ80q/cWhw ntvgJwnCn2XR1h6LA8Wp+0ghDTsL2NhJpWd78zClGhyU4r3hqu1XDjoXa7YCXCix jCV15+ViDJzlNCwg+W6lRg18sSLkCT7alviIE0U5tHc6UPbbHwT5QqAxAABaP+nZ CGqJGyiwBzrKebjgSm/KRd4C91XqcsysyH2kKPfT51MLAoD4xelOURBP -----END ENCRYPTED PRIVATE KEY-----''' ), ) rsaPublicKeyPEM = u'''-----BEGIN PUBLIC KEY----- MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBAL8eJ5AKoIsjURpcEoGubZMxLD7+kT+T Lr7UkvEtFrRhDDKMtuIIq19FrL4pUIMymPMSLBn3hJLe30Dw48GQM4UCAwEAAQ== -----END PUBLIC KEY-----''' # Obtained using 'ssh-keygen -i -m PKCS8 -f rsaPublicKeyPEM' rsaPublicKeyOpenSSH = b('''ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAQQC/HieQCqCLI1EaXBKBrm2TMSw+/pE/ky6+1JLxLRa0YQwyjLbiCKtfRay+KVCDMpjzEiwZ94SS3t9A8OPBkDOF comment\n''') # The private key, in PKCS#1 format encoded with DER rsaKeyDER = a2b_hex( '''3082013b020100024100bf1e27900aa08b23511a5c1281ae6d93312c3efe 913f932ebed492f12d16b4610c328cb6e208ab5f45acbe2950833298f312 2c19f78492dedf40f0e3c190338502030100010240094483129f114dedf6 7edabc2301bc5a88e5e6601dd7016220ead9fd4bfc6fdeb75893898ae41c 54ddbdbf1539f8ccbd18f67b440de1ac30440281d40cfac839022100f20f 2f3e1da61883f62980922bd8df545ce407c726241103b5e2c53723124a23 022100ca1fe924792cfcc96bfab74f344a68b418df578338064806000fe2 a5c99a023702210087be1c3029504bcf34ec713d877947447813288975ca 240080af7b094091b12102206ab469fa6d5648a57531c8b031a4ce9db53b c3116cf433f5a6f6bbea5601ce05022100bd9f40a764227a21962a4add07 e4defe43ed91a3ae27bb057f39241f33ab01c1 '''.replace(" ","")) # The private key, in unencrypted PKCS#8 format encoded with DER rsaKeyDER8 = a2b_hex( '''30820155020100300d06092a864886f70d01010105000482013f3082013 b020100024100bf1e27900aa08b23511a5c1281ae6d93312c3efe913f932 ebed492f12d16b4610c328cb6e208ab5f45acbe2950833298f3122c19f78 492dedf40f0e3c190338502030100010240094483129f114dedf67edabc2 301bc5a88e5e6601dd7016220ead9fd4bfc6fdeb75893898ae41c54ddbdb f1539f8ccbd18f67b440de1ac30440281d40cfac839022100f20f2f3e1da 61883f62980922bd8df545ce407c726241103b5e2c53723124a23022100c a1fe924792cfcc96bfab74f344a68b418df578338064806000fe2a5c99a0 23702210087be1c3029504bcf34ec713d877947447813288975ca240080a f7b094091b12102206ab469fa6d5648a57531c8b031a4ce9db53bc3116cf 433f5a6f6bbea5601ce05022100bd9f40a764227a21962a4add07e4defe4 3ed91a3ae27bb057f39241f33ab01c1 '''.replace(" ","")) rsaPublicKeyDER = a2b_hex( '''305c300d06092a864886f70d0101010500034b003048024100bf1e27900a a08b23511a5c1281ae6d93312c3efe913f932ebed492f12d16b4610c328c b6e208ab5f45acbe2950833298f3122c19f78492dedf40f0e3c190338502 03010001 '''.replace(" ","")) n = int('BF 1E 27 90 0A A0 8B 23 51 1A 5C 12 81 AE 6D 93 31 2C 3E FE 91 3F 93 2E BE D4 92 F1 2D 16 B4 61 0C 32 8C B6 E2 08 AB 5F 45 AC BE 29 50 83 32 98 F3 12 2C 19 F7 84 92 DE DF 40 F0 E3 C1 90 33 85'.replace(" ",""),16) e = 65537 d = int('09 44 83 12 9F 11 4D ED F6 7E DA BC 23 01 BC 5A 88 E5 E6 60 1D D7 01 62 20 EA D9 FD 4B FC 6F DE B7 58 93 89 8A E4 1C 54 DD BD BF 15 39 F8 CC BD 18 F6 7B 44 0D E1 AC 30 44 02 81 D4 0C FA C8 39'.replace(" ",""),16) p = int('00 F2 0F 2F 3E 1D A6 18 83 F6 29 80 92 2B D8 DF 54 5C E4 07 C7 26 24 11 03 B5 E2 C5 37 23 12 4A 23'.replace(" ",""),16) q = int('00 CA 1F E9 24 79 2C FC C9 6B FA B7 4F 34 4A 68 B4 18 DF 57 83 38 06 48 06 00 0F E2 A5 C9 9A 02 37'.replace(" ",""),16) # This is q^{-1} mod p). fastmath and slowmath use pInv (p^{-1} # mod q) instead! qInv = int('00 BD 9F 40 A7 64 22 7A 21 96 2A 4A DD 07 E4 DE FE 43 ED 91 A3 AE 27 BB 05 7F 39 24 1F 33 AB 01 C1'.replace(" ",""),16) pInv = inverse(p,q) def testImportKey1(self): """Verify import of RSAPrivateKey DER SEQUENCE""" key = RSA.importKey(self.rsaKeyDER) self.failUnless(key.has_private()) self.assertEqual(key.n, self.n) self.assertEqual(key.e, self.e) self.assertEqual(key.d, self.d) self.assertEqual(key.p, self.p) self.assertEqual(key.q, self.q) def testImportKey2(self): """Verify import of SubjectPublicKeyInfo DER SEQUENCE""" key = RSA.importKey(self.rsaPublicKeyDER) self.failIf(key.has_private()) self.assertEqual(key.n, self.n) self.assertEqual(key.e, self.e) def testImportKey3unicode(self): """Verify import of RSAPrivateKey DER SEQUENCE, encoded with PEM as unicode""" key = RSA.importKey(self.rsaKeyPEM) self.assertEqual(key.has_private(),True) # assert_ self.assertEqual(key.n, self.n) self.assertEqual(key.e, self.e) self.assertEqual(key.d, self.d) self.assertEqual(key.p, self.p) self.assertEqual(key.q, self.q) def testImportKey3bytes(self): """Verify import of RSAPrivateKey DER SEQUENCE, encoded with PEM as byte string""" key = RSA.importKey(b(self.rsaKeyPEM)) self.assertEqual(key.has_private(),True) # assert_ self.assertEqual(key.n, self.n) self.assertEqual(key.e, self.e) self.assertEqual(key.d, self.d) self.assertEqual(key.p, self.p) self.assertEqual(key.q, self.q) def testImportKey4unicode(self): """Verify import of RSAPrivateKey DER SEQUENCE, encoded with PEM as unicode""" key = RSA.importKey(self.rsaPublicKeyPEM) self.assertEqual(key.has_private(),False) # failIf self.assertEqual(key.n, self.n) self.assertEqual(key.e, self.e) def testImportKey4bytes(self): """Verify import of SubjectPublicKeyInfo DER SEQUENCE, encoded with PEM as byte string""" key = RSA.importKey(b(self.rsaPublicKeyPEM)) self.assertEqual(key.has_private(),False) # failIf self.assertEqual(key.n, self.n) self.assertEqual(key.e, self.e) def testImportKey5(self): """Verifies that the imported key is still a valid RSA pair""" key = RSA.importKey(self.rsaKeyPEM) idem = key._encrypt(key._decrypt(89)) self.assertEqual(idem, 89) def testImportKey6(self): """Verifies that the imported key is still a valid RSA pair""" key = RSA.importKey(self.rsaKeyDER) idem = key._encrypt(key._decrypt(65)) self.assertEqual(idem, 65) def testImportKey7(self): """Verify import of OpenSSH public key""" key = RSA.importKey(self.rsaPublicKeyOpenSSH) self.assertEqual(key.n, self.n) self.assertEqual(key.e, self.e) def testImportKey8(self): """Verify import of encrypted PrivateKeyInfo DER SEQUENCE""" for t in self.rsaKeyEncryptedPEM: key = RSA.importKey(t[1], t[0]) self.failUnless(key.has_private()) self.assertEqual(key.n, self.n) self.assertEqual(key.e, self.e) self.assertEqual(key.d, self.d) self.assertEqual(key.p, self.p) self.assertEqual(key.q, self.q) def testImportKey9(self): """Verify import of unencrypted PrivateKeyInfo DER SEQUENCE""" key = RSA.importKey(self.rsaKeyDER8) self.failUnless(key.has_private()) self.assertEqual(key.n, self.n) self.assertEqual(key.e, self.e) self.assertEqual(key.d, self.d) self.assertEqual(key.p, self.p) self.assertEqual(key.q, self.q) def testImportKey10(self): """Verify import of unencrypted PrivateKeyInfo DER SEQUENCE, encoded with PEM""" key = RSA.importKey(self.rsaKeyPEM8) self.failUnless(key.has_private()) self.assertEqual(key.n, self.n) self.assertEqual(key.e, self.e) self.assertEqual(key.d, self.d) self.assertEqual(key.p, self.p) self.assertEqual(key.q, self.q) def testImportKey11(self): """Verify import of RSAPublicKey DER SEQUENCE""" der = asn1.DerSequence([17, 3]).encode() key = RSA.importKey(der) self.assertEqual(key.n, 17) self.assertEqual(key.e, 3) def testImportKey12(self): """Verify import of RSAPublicKey DER SEQUENCE, encoded with PEM""" der = asn1.DerSequence([17, 3]).encode() pem = der2pem(der) key = RSA.importKey(pem) self.assertEqual(key.n, 17) self.assertEqual(key.e, 3) def test_import_key_windows_cr_lf(self): pem_cr_lf = "\r\n".join(self.rsaKeyPEM.splitlines()) key = RSA.importKey(pem_cr_lf) self.assertEqual(key.n, self.n) self.assertEqual(key.e, self.e) self.assertEqual(key.d, self.d) self.assertEqual(key.p, self.p) self.assertEqual(key.q, self.q) def test_import_empty(self): self.assertRaises(ValueError, RSA.import_key, b"") ### def testExportKey1(self): key = RSA.construct([self.n, self.e, self.d, self.p, self.q, self.pInv]) derKey = key.export_key("DER") self.assertEqual(derKey, self.rsaKeyDER) def testExportKey2(self): key = RSA.construct([self.n, self.e]) derKey = key.export_key("DER") self.assertEqual(derKey, self.rsaPublicKeyDER) def testExportKey3(self): key = RSA.construct([self.n, self.e, self.d, self.p, self.q, self.pInv]) pemKey = key.export_key("PEM") self.assertEqual(pemKey, b(self.rsaKeyPEM)) def testExportKey4(self): key = RSA.construct([self.n, self.e]) pemKey = key.export_key("PEM") self.assertEqual(pemKey, b(self.rsaPublicKeyPEM)) def testExportKey5(self): key = RSA.construct([self.n, self.e]) openssh_1 = key.export_key("OpenSSH").split() openssh_2 = self.rsaPublicKeyOpenSSH.split() self.assertEqual(openssh_1[0], openssh_2[0]) self.assertEqual(openssh_1[1], openssh_2[1]) def testExportKey7(self): key = RSA.construct([self.n, self.e, self.d, self.p, self.q, self.pInv]) derKey = key.export_key("DER", pkcs=8) self.assertEqual(derKey, self.rsaKeyDER8) def testExportKey8(self): key = RSA.construct([self.n, self.e, self.d, self.p, self.q, self.pInv]) pemKey = key.export_key("PEM", pkcs=8) self.assertEqual(pemKey, b(self.rsaKeyPEM8)) def testExportKey9(self): key = RSA.construct([self.n, self.e, self.d, self.p, self.q, self.pInv]) self.assertRaises(ValueError, key.export_key, "invalid-format") def testExportKey10(self): # Export and re-import the encrypted key. It must match. # PEM envelope, PKCS#1, old PEM encryption key = RSA.construct([self.n, self.e, self.d, self.p, self.q, self.pInv]) outkey = key.export_key('PEM', 'test') self.failUnless(tostr(outkey).find('4,ENCRYPTED')!=-1) self.failUnless(tostr(outkey).find('BEGIN RSA PRIVATE KEY')!=-1) inkey = RSA.importKey(outkey, 'test') self.assertEqual(key.n, inkey.n) self.assertEqual(key.e, inkey.e) self.assertEqual(key.d, inkey.d) def testExportKey11(self): # Export and re-import the encrypted key. It must match. # PEM envelope, PKCS#1, old PEM encryption key = RSA.construct([self.n, self.e, self.d, self.p, self.q, self.pInv]) outkey = key.export_key('PEM', 'test', pkcs=1) self.failUnless(tostr(outkey).find('4,ENCRYPTED')!=-1) self.failUnless(tostr(outkey).find('BEGIN RSA PRIVATE KEY')!=-1) inkey = RSA.importKey(outkey, 'test') self.assertEqual(key.n, inkey.n) self.assertEqual(key.e, inkey.e) self.assertEqual(key.d, inkey.d) def testExportKey12(self): # Export and re-import the encrypted key. It must match. # PEM envelope, PKCS#8, old PEM encryption key = RSA.construct([self.n, self.e, self.d, self.p, self.q, self.pInv]) outkey = key.export_key('PEM', 'test', pkcs=8) self.failUnless(tostr(outkey).find('4,ENCRYPTED')!=-1) self.failUnless(tostr(outkey).find('BEGIN PRIVATE KEY')!=-1) inkey = RSA.importKey(outkey, 'test') self.assertEqual(key.n, inkey.n) self.assertEqual(key.e, inkey.e) self.assertEqual(key.d, inkey.d) def testExportKey13(self): # Export and re-import the encrypted key. It must match. # PEM envelope, PKCS#8, PKCS#8 encryption key = RSA.construct([self.n, self.e, self.d, self.p, self.q, self.pInv]) outkey = key.export_key('PEM', 'test', pkcs=8, protection='PBKDF2WithHMAC-SHA1AndDES-EDE3-CBC') self.failUnless(tostr(outkey).find('4,ENCRYPTED')==-1) self.failUnless(tostr(outkey).find('BEGIN ENCRYPTED PRIVATE KEY')!=-1) inkey = RSA.importKey(outkey, 'test') self.assertEqual(key.n, inkey.n) self.assertEqual(key.e, inkey.e) self.assertEqual(key.d, inkey.d) def testExportKey14(self): # Export and re-import the encrypted key. It must match. # DER envelope, PKCS#8, PKCS#8 encryption key = RSA.construct([self.n, self.e, self.d, self.p, self.q, self.pInv]) outkey = key.export_key('DER', 'test', pkcs=8) inkey = RSA.importKey(outkey, 'test') self.assertEqual(key.n, inkey.n) self.assertEqual(key.e, inkey.e) self.assertEqual(key.d, inkey.d) def testExportKey15(self): # Verify that that error an condition is detected when trying to # use a password with DER encoding and PKCS#1. key = RSA.construct([self.n, self.e, self.d, self.p, self.q, self.pInv]) self.assertRaises(ValueError, key.export_key, 'DER', 'test', 1) def test_import_key(self): """Verify that import_key is an alias to importKey""" key = RSA.import_key(self.rsaPublicKeyDER) self.failIf(key.has_private()) self.assertEqual(key.n, self.n) self.assertEqual(key.e, self.e) def test_exportKey(self): key = RSA.construct([self.n, self.e, self.d, self.p, self.q, self.pInv]) self.assertEqual(key.export_key(), key.exportKey()) class ImportKeyFromX509Cert(unittest.TestCase): def test_x509v1(self): # Sample V1 certificate with a 1024 bit RSA key x509_v1_cert = """ -----BEGIN CERTIFICATE----- MIICOjCCAaMCAQEwDQYJKoZIhvcNAQEEBQAwfjENMAsGA1UEChMEQWNtZTELMAkG A1UECxMCUkQxHDAaBgkqhkiG9w0BCQEWDXNwYW1AYWNtZS5vcmcxEzARBgNVBAcT Ck1ldHJvcG9saXMxETAPBgNVBAgTCE5ldyBZb3JrMQswCQYDVQQGEwJVUzENMAsG A1UEAxMEdGVzdDAeFw0xNDA3MTExOTU3MjRaFw0xNzA0MDYxOTU3MjRaME0xCzAJ BgNVBAYTAlVTMREwDwYDVQQIEwhOZXcgWW9yazENMAsGA1UEChMEQWNtZTELMAkG A1UECxMCUkQxDzANBgNVBAMTBmxhdHZpYTCBnzANBgkqhkiG9w0BAQEFAAOBjQAw gYkCgYEAyG+kytdRj3TFbRmHDYp3TXugVQ81chew0qeOxZWOz80IjtWpgdOaCvKW NCuc8wUR9BWrEQW+39SaRMLiQfQtyFSQZijc3nsEBu/Lo4uWZ0W/FHDRVSvkJA/V Ex5NL5ikI+wbUeCV5KajGNDalZ8F1pk32+CBs8h1xNx5DyxuEHUCAwEAATANBgkq hkiG9w0BAQQFAAOBgQCVQF9Y//Q4Psy+umEM38pIlbZ2hxC5xNz/MbVPwuCkNcGn KYNpQJP+JyVTsPpO8RLZsAQDzRueMI3S7fbbwTzAflN0z19wvblvu93xkaBytVok 9VBAH28olVhy9b1MMeg2WOt5sUEQaFNPnwwsyiY9+HsRpvpRnPSQF+kyYVsshQ== -----END CERTIFICATE----- """.strip() # RSA public key as dumped by openssl exponent = 65537 modulus_str = """ 00:c8:6f:a4:ca:d7:51:8f:74:c5:6d:19:87:0d:8a: 77:4d:7b:a0:55:0f:35:72:17:b0:d2:a7:8e:c5:95: 8e:cf:cd:08:8e:d5:a9:81:d3:9a:0a:f2:96:34:2b: 9c:f3:05:11:f4:15:ab:11:05:be:df:d4:9a:44:c2: e2:41:f4:2d:c8:54:90:66:28:dc:de:7b:04:06:ef: cb:a3:8b:96:67:45:bf:14:70:d1:55:2b:e4:24:0f: d5:13:1e:4d:2f:98:a4:23:ec:1b:51:e0:95:e4:a6: a3:18:d0:da:95:9f:05:d6:99:37:db:e0:81:b3:c8: 75:c4:dc:79:0f:2c:6e:10:75 """ modulus = int(re.sub("[^0-9a-f]","", modulus_str), 16) key = RSA.importKey(x509_v1_cert) self.assertEqual(key.e, exponent) self.assertEqual(key.n, modulus) self.failIf(key.has_private()) def test_x509v3(self): # Sample V3 certificate with a 1024 bit RSA key x509_v3_cert = """ -----BEGIN CERTIFICATE----- MIIEcjCCAlqgAwIBAgIBATANBgkqhkiG9w0BAQsFADBhMQswCQYDVQQGEwJVUzEL MAkGA1UECAwCTUQxEjAQBgNVBAcMCUJhbHRpbW9yZTEQMA4GA1UEAwwHVGVzdCBD QTEfMB0GCSqGSIb3DQEJARYQdGVzdEBleGFtcGxlLmNvbTAeFw0xNDA3MTIwOTM1 MTJaFw0xNzA0MDcwOTM1MTJaMEQxCzAJBgNVBAYTAlVTMQswCQYDVQQIDAJNRDES MBAGA1UEBwwJQmFsdGltb3JlMRQwEgYDVQQDDAtUZXN0IFNlcnZlcjCBnzANBgkq hkiG9w0BAQEFAAOBjQAwgYkCgYEA/S7GJV2OcFdyNMQ4K75KrYFtMEn3VnEFdPHa jyS37XlMxSh0oS4GeTGVUCJInl5Cpsv8WQdh03FfeOdvzp5IZ46OcjeOPiWnmjgl 2G5j7e2bDH7RSchGV+OD6Fb1Agvuu2/9iy8fdf3rPQ/7eAddzKUrzwacVbnW+tg2 QtSXKRcCAwEAAaOB1TCB0jAdBgNVHQ4EFgQU/WwCX7FfWMIPDFfJ+I8a2COG+l8w HwYDVR0jBBgwFoAUa0hkif3RMaraiWtsOOZZlLu9wJwwCQYDVR0TBAIwADALBgNV HQ8EBAMCBeAwSgYDVR0RBEMwQYILZXhhbXBsZS5jb22CD3d3dy5leGFtcGxlLmNv bYIQbWFpbC5leGFtcGxlLmNvbYIPZnRwLmV4YW1wbGUuY29tMCwGCWCGSAGG+EIB DQQfFh1PcGVuU1NMIEdlbmVyYXRlZCBDZXJ0aWZpY2F0ZTANBgkqhkiG9w0BAQsF AAOCAgEAvO6xfdsGbnoK4My3eJthodTAjMjPwFVY133LH04QLcCv54TxKhtUg1fi PgdjVe1HpTytPBfXy2bSZbXAN0abZCtw1rYrnn7o1g2pN8iypVq3zVn0iMTzQzxs zEPO3bpR/UhNSf90PmCsS5rqZpAAnXSaAy1ClwHWk/0eG2pYkhE1m1ABVMN2lsAW e9WxGk6IFqaI9O37NYQwmEypMs4DC+ECJEvbPFiqi3n0gbXCZJJ6omDA5xJldaYK Oa7KR3s/qjBsu9UAiWpLBuFoSTHIF2aeRKRFmUdmzwo43eVPep65pY6eQ4AdL2RF rqEuINbGlzI5oQyYhu71IwB+iPZXaZZPlwjLgOsuad/p2hOgDb5WxUi8FnDPursQ ujfpIpmrOP/zpvvQWnwePI3lI+5n41kTBSbefXEdv6rXpHk3QRzB90uPxnXPdxSC 16ASA8bQT5an/1AgoE3k9CrcD2K0EmgaX0YI0HUhkyzbkg34EhpWJ6vvRUbRiNRo 9cIbt/ya9Y9u0Ja8GLXv6dwX0l0IdJMkL8KifXUFAVCujp1FBrr/gdmwQn8itANy +qbnWSxmOvtaY0zcaFAcONuHva0h51/WqXOMO1eb8PhR4HIIYU8p1oBwQp7dSni8 THDi1F+GG5PsymMDj5cWK42f+QzjVw5PrVmFqqrrEoMlx8DWh5Y= -----END CERTIFICATE----- """.strip() # RSA public key as dumped by openssl exponent = 65537 modulus_str = """ 00:fd:2e:c6:25:5d:8e:70:57:72:34:c4:38:2b:be: 4a:ad:81:6d:30:49:f7:56:71:05:74:f1:da:8f:24: b7:ed:79:4c:c5:28:74:a1:2e:06:79:31:95:50:22: 48:9e:5e:42:a6:cb:fc:59:07:61:d3:71:5f:78:e7: 6f:ce:9e:48:67:8e:8e:72:37:8e:3e:25:a7:9a:38: 25:d8:6e:63:ed:ed:9b:0c:7e:d1:49:c8:46:57:e3: 83:e8:56:f5:02:0b:ee:bb:6f:fd:8b:2f:1f:75:fd: eb:3d:0f:fb:78:07:5d:cc:a5:2b:cf:06:9c:55:b9: d6:fa:d8:36:42:d4:97:29:17 """ modulus = int(re.sub("[^0-9a-f]","", modulus_str), 16) key = RSA.importKey(x509_v3_cert) self.assertEqual(key.e, exponent) self.assertEqual(key.n, modulus) self.failIf(key.has_private()) class TestImport_2048(unittest.TestCase): def test_import_openssh_public(self): key_file_ref = load_file("rsa2048_private.pem") key_file = load_file("rsa2048_public_openssh.txt") key_ref = RSA.import_key(key_file_ref).publickey() key = RSA.import_key(key_file) self.assertEqual(key_ref, key) def test_import_openssh_private_clear(self): key_file = load_file("rsa2048_private_openssh.pem") key_file_old = load_file("rsa2048_private_openssh_old.pem") key = RSA.import_key(key_file) key_old = RSA.import_key(key_file_old) self.assertEqual(key, key_old) def test_import_openssh_private_password(self): key_file = load_file("rsa2048_private_openssh_pwd.pem") key_file_old = load_file("rsa2048_private_openssh_pwd_old.pem") key = RSA.import_key(key_file, b"password") key_old = RSA.import_key(key_file_old) self.assertEqual(key, key_old) if __name__ == '__main__': unittest.main() def get_tests(config={}): tests = [] tests += list_test_cases(ImportKeyTests) tests += list_test_cases(ImportKeyFromX509Cert) tests += list_test_cases(TestImport_2048) return tests if __name__ == '__main__': suite = lambda: unittest.TestSuite(get_tests()) unittest.main(defaultTest='suite') # 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