1 files changed, 345 insertions, 0 deletions
diff --git a/lib/Python/Lib/Crypto/SelfTest/PublicKey/test_importKey.py b/lib/Python/Lib/Crypto/SelfTest/PublicKey/test_importKey.py
new file mode 100644
index 000000000..28a7eee88
--- /dev/null
+++ b/lib/Python/Lib/Crypto/SelfTest/PublicKey/test_importKey.py
@@ -0,0 +1,345 @@
+# -*- 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.
+# ===================================================================
+
+from __future__ import nested_scopes
+
+__revision__ = "$Id$"
+
+import unittest
+
+from Crypto.PublicKey import RSA
+from Crypto.SelfTest.st_common import *
+from Crypto.Util.py3compat import *
+from Crypto.Util.number import inverse
+from Crypto.Util import asn1
+
+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=(
+            
+        # 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-----''',
+        "\xAF\x8F\x9A\x40\xBD\x2F\xA2\xFC"),
+
+        # With Triple-DES and passphrase 'rocking'
+        ('rocking', u'''-----BEGIN RSA PRIVATE KEY-----
+Proc-Type: 4,ENCRYPTED
+DEK-Info: DES-EDE3-CBC,C05D6C07F7FC02F6
+
+w4lwQrXaVoTTJ0GgwY566htTA2/t1YlimhxkxYt9AEeCcidS5M0Wq9ClPiPz9O7F
+m6K5QpM1rxo1RUE/ZyI85gglRNPdNwkeTOqit+kum7nN73AToX17+irVmOA4Z9E+
+4O07t91GxGMcjUSIFk0ucwEU4jgxRvYscbvOMvNbuZszGdVNzBTVddnShKCsy9i7
+nJbPlXeEKYi/OkRgO4PtfqqWQu5GIEFVUf9ev1QV7AvC+kyWTR1wWYnHX265jU5c
+sopxQQtP8XEHIJEdd5/p1oieRcWTCNyY8EkslxDSsrf0OtZp6mZH9N+KU47cgQtt
+9qGORmlWnsIoFFKcDohbtOaWBTKhkj5h6OkLjFjfU/sBeV1c+7wDT3dAy5tawXjG
+YSxC7qDQIT/RECvV3+oQKEcmpEujn45wAnkTi12BH30=
+-----END RSA PRIVATE KEY-----''',
+        "\xC0\x5D\x6C\x07\xF7\xFC\x02\xF6"),
+    )
+
+    rsaPublicKeyPEM = u'''-----BEGIN PUBLIC KEY-----
+MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBAL8eJ5AKoIsjURpcEoGubZMxLD7+kT+T
+Lr7UkvEtFrRhDDKMtuIIq19FrL4pUIMymPMSLBn3hJLe30Dw48GQM4UCAwEAAQ==
+-----END PUBLIC KEY-----'''
+
+    # Obtained using 'ssh-keygen -i -m PKCS8 -f rsaPublicKeyPEM'
+    rsaPublicKeyOpenSSH = '''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 = long('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 = 65537L
+    d = long('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 = long('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 = long('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 = long('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 = self.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 = self.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(b("Test")),0)
+        self.assertEqual(idem[0],b("Test"))
+
+    def testImportKey6(self):
+        """Verifies that the imported key is still a valid RSA pair"""
+        key = RSA.importKey(self.rsaKeyDER)
+        idem = key.encrypt(key.decrypt(b("Test")),0)
+        self.assertEqual(idem[0],b("Test"))
+
+    def testImportKey7(self):
+        """Verify import of OpenSSH public key"""
+        key = self.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 = self.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 = self.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 = self.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 = self.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 = self.rsa.importKey(pem)
+        self.assertEqual(key.n, 17)
+        self.assertEqual(key.e, 3)
+
+    ###
+    def testExportKey1(self):
+        key = self.rsa.construct([self.n, self.e, self.d, self.p, self.q, self.pInv])
+        derKey = key.exportKey("DER")
+        self.assertEqual(derKey, self.rsaKeyDER)
+
+    def testExportKey2(self):
+        key = self.rsa.construct([self.n, self.e])
+        derKey = key.exportKey("DER")
+        self.assertEqual(derKey, self.rsaPublicKeyDER)
+
+    def testExportKey3(self):
+        key = self.rsa.construct([self.n, self.e, self.d, self.p, self.q, self.pInv])
+        pemKey = key.exportKey("PEM")
+        self.assertEqual(pemKey, b(self.rsaKeyPEM))
+
+    def testExportKey4(self):
+        key = self.rsa.construct([self.n, self.e])
+        pemKey = key.exportKey("PEM")
+        self.assertEqual(pemKey, b(self.rsaPublicKeyPEM))
+
+    def testExportKey5(self):
+        key = self.rsa.construct([self.n, self.e])
+        openssh_1 = key.exportKey("OpenSSH").split()
+        openssh_2 = self.rsaPublicKeyOpenSSH.split()
+        self.assertEqual(openssh_1[0], openssh_2[0])
+        self.assertEqual(openssh_1[1], openssh_2[1])
+
+    def testExportKey4(self):
+        key = self.rsa.construct([self.n, self.e, self.d, self.p, self.q, self.pInv])
+        # Tuple with index #1 is encrypted with 3DES
+        t = map(b,self.rsaKeyEncryptedPEM[1])
+        # Force the salt being used when exporting
+        key._randfunc = lambda N: (t[2]*divmod(N+len(t[2]),len(t[2]))[0])[:N]
+        pemKey = key.exportKey("PEM", t[0])
+        self.assertEqual(pemKey, t[1])
+
+    def testExportKey5(self):
+        key = self.rsa.construct([self.n, self.e, self.d, self.p, self.q, self.pInv])
+        derKey = key.exportKey("DER", pkcs=8)
+        self.assertEqual(derKey, self.rsaKeyDER8)
+
+    def testExportKey6(self):
+        key = self.rsa.construct([self.n, self.e, self.d, self.p, self.q, self.pInv])
+        pemKey = key.exportKey("PEM", pkcs=8)
+        self.assertEqual(pemKey, b(self.rsaKeyPEM8))
+
+class ImportKeyTestsSlow(ImportKeyTests):
+    def setUp(self):
+        self.rsa = RSA.RSAImplementation(use_fast_math=0)
+
+class ImportKeyTestsFast(ImportKeyTests):
+    def setUp(self):
+        self.rsa = RSA.RSAImplementation(use_fast_math=1)
+
+if __name__ == '__main__':
+    unittest.main()
+
+def get_tests(config={}):
+    tests = []
+    try:
+        from Crypto.PublicKey import _fastmath
+        tests += list_test_cases(ImportKeyTestsFast)
+    except ImportError:
+        pass
+    tests += list_test_cases(ImportKeyTestsSlow)
+    return tests
+
+if __name__ == '__main__':
+    suite = lambda: unittest.TestSuite(get_tests())
+    unittest.main(defaultTest='suite')
+
+# vim:set ts=4 sw=4 sts=4 expandtab: