How to use verify_signature method in Kiwi

Best Python code snippet using Kiwi_python

test_espsecure.py

Source:test_espsecure.py

...118                                 self._open('bootloader_unsigned_v2.bin'))119            espsecure.sign_data(args)120            args = self.VerifyArgs('2', self._open('rsa_secure_boot_signing_key.pem'),121                                   output_file)122            espsecure.verify_signature(args)123    def test_sign_v2_multiple_keys(self):124        # 3 keys + Verify with 3rd key125        with tempfile.NamedTemporaryFile() as output_file:126            args = self.SignArgs('2', [self._open('rsa_secure_boot_signing_key.pem'),127                                       self._open('rsa_secure_boot_signing_key2.pem'),128                                       self._open('rsa_secure_boot_signing_key3.pem')],129                                 output_file.name, False,130                                 self._open('bootloader_unsigned_v2.bin'))131            espsecure.sign_data(args)132            args = self.VerifyArgs('2', self._open('rsa_secure_boot_signing_key3.pem'),133                                   output_file)134            espsecure.verify_signature(args)135            output_file.seek(0)136            args = self.VerifyArgs('2', self._open('rsa_secure_boot_signing_key2.pem'),137                                   output_file)138            espsecure.verify_signature(args)139            output_file.seek(0)140            args = self.VerifyArgs('2', self._open('rsa_secure_boot_signing_key.pem'),141                                   output_file)142            espsecure.verify_signature(args)143    def test_sign_v2_append_signatures(self):144        # Append signatures + Verify with an appended key (bootloader_signed_v2.bin already signed with rsa_secure_boot_signing_key.pem)145        with tempfile.NamedTemporaryFile() as output_file:146            args = self.SignArgs('2', [self._open('rsa_secure_boot_signing_key2.pem'),147                                       self._open('rsa_secure_boot_signing_key3.pem')],148                                 output_file.name, True,149                                 self._open('bootloader_signed_v2.bin'))150            espsecure.sign_data(args)151            args = self.VerifyArgs('2', self._open('rsa_secure_boot_signing_key.pem'),152                                   output_file)153            espsecure.verify_signature(args)154            output_file.seek(0)155            args = self.VerifyArgs('2', self._open('rsa_secure_boot_signing_key2.pem'),156                                   output_file)157            espsecure.verify_signature(args)158            output_file.seek(0)159            args = self.VerifyArgs('2', self._open('rsa_secure_boot_signing_key3.pem'),160                                   output_file)161            espsecure.verify_signature(args)162    def test_sign_v2_append_signatures_multiple_steps(self):163        # similar to previous test, but sign in two invocations164        with tempfile.NamedTemporaryFile() as output_file1, tempfile.NamedTemporaryFile() as output_file2:165            args = self.SignArgs('2', [self._open('rsa_secure_boot_signing_key2.pem')],166                                 output_file1.name, True,167                                 self._open('bootloader_signed_v2.bin'))168            espsecure.sign_data(args)169            args = self.SignArgs('2', [self._open('rsa_secure_boot_signing_key3.pem')],170                                 output_file2.name, True,171                                 output_file1)172            espsecure.sign_data(args)173            args = self.VerifyArgs('2', self._open('rsa_secure_boot_signing_key.pem'),174                                   output_file2)175            espsecure.verify_signature(args)176            output_file2.seek(0)177            args = self.VerifyArgs('2', self._open('rsa_secure_boot_signing_key2.pem'),178                                   output_file2)179            espsecure.verify_signature(args)180            output_file2.seek(0)181            args = self.VerifyArgs('2', self._open('rsa_secure_boot_signing_key3.pem'),182                                   output_file2)183            espsecure.verify_signature(args)184    def test_verify_signature_signing_key(self):185        # correct key v1186        args = self.VerifyArgs('1', self._open('ecdsa_secure_boot_signing_key.pem'),187                               self._open('bootloader_signed.bin'))188        espsecure.verify_signature(args)189        # correct key v2190        args = self.VerifyArgs('2', self._open('rsa_secure_boot_signing_key.pem'),191                               self._open('bootloader_signed_v2.bin'))192        espsecure.verify_signature(args)193        # wrong key v1194        args = self.VerifyArgs('1', self._open('ecdsa_secure_boot_signing_key2.pem'),195                               self._open('bootloader_signed.bin'))196        with self.assertRaises(esptool.FatalError) as cm:197            espsecure.verify_signature(args)198        self.assertIn("Signature is not valid", str(cm.exception))199        # wrong key v2200        args = self.VerifyArgs('2', self._open('rsa_secure_boot_signing_key2.pem'),201                               self._open('bootloader_signed_v2.bin'))202        with self.assertRaises(esptool.FatalError) as cm:203            espsecure.verify_signature(args)204        self.assertIn("Signature could not be verified with the provided key.", str(cm.exception))205        # multi-signed wrong key v2206        args = self.VerifyArgs('2', self._open('rsa_secure_boot_signing_key4.pem'),207                               self._open('bootloader_multi_signed_v2.bin'))208        with self.assertRaises(esptool.FatalError) as cm:209            espsecure.verify_signature(args)210        self.assertIn("Signature could not be verified with the provided key.", str(cm.exception))211    def test_verify_signature_public_key(self):212        # correct key v1213        args = self.VerifyArgs('1', self._open('ecdsa_secure_boot_signing_pubkey.pem'),214                               self._open('bootloader_signed.bin'))215        espsecure.verify_signature(args)216        # correct key v2217        args = self.VerifyArgs('2', self._open('rsa_secure_boot_signing_pubkey.pem'),218                               self._open('bootloader_signed_v2.bin'))219        espsecure.verify_signature(args)220        # wrong key v1221        args = self.VerifyArgs('1', self._open('ecdsa_secure_boot_signing_pubkey2.pem'),222                               self._open('bootloader_signed.bin'))223        with self.assertRaises(esptool.FatalError) as cm:224            espsecure.verify_signature(args)225        self.assertIn("Signature is not valid", str(cm.exception))226        # wrong key v2227        args = self.VerifyArgs('2', self._open('rsa_secure_boot_signing_pubkey2.pem'),228                               self._open('bootloader_signed_v2.bin'))229        with self.assertRaises(esptool.FatalError) as cm:230            espsecure.verify_signature(args)231        self.assertIn("Signature could not be verified with the provided key.", str(cm.exception))232        # multi-signed wrong key v2233        args = self.VerifyArgs('2', self._open('rsa_secure_boot_signing_pubkey4.pem'),234                               self._open('bootloader_multi_signed_v2.bin'))235        with self.assertRaises(esptool.FatalError) as cm:236            espsecure.verify_signature(args)237        self.assertIn("Signature could not be verified with the provided key.", str(cm.exception))238    def test_extract_binary_public_key(self):239        ExtractKeyArgs = namedtuple('extract_public_key_args',240                                    ['version', 'keyfile', 'public_keyfile'])241        with tempfile.NamedTemporaryFile() as pub_keyfile, tempfile.NamedTemporaryFile() as pub_keyfile2:242            args = ExtractKeyArgs('1', self._open('ecdsa_secure_boot_signing_key.pem'),243                                  pub_keyfile)244            espsecure.extract_public_key(args)245            args = ExtractKeyArgs('1', self._open('ecdsa_secure_boot_signing_key2.pem'),246                                  pub_keyfile2)247            espsecure.extract_public_key(args)248            pub_keyfile.seek(0)249            pub_keyfile2.seek(0)250            # use correct extracted public key to verify251            args = self.VerifyArgs('1', pub_keyfile, self._open('bootloader_signed.bin'))252            espsecure.verify_signature(args)253            # use wrong extracted public key to try and verify254            args = self.VerifyArgs('1', pub_keyfile2, self._open('bootloader_signed.bin'))255            with self.assertRaises(esptool.FatalError) as cm:256                espsecure.verify_signature(args)257            self.assertIn("Signature is not valid", str(cm.exception))258class ESP32FlashEncryptionTests(EspSecureTestCase):259    def test_encrypt_decrypt_bootloader(self):260        self._test_encrypt_decrypt('bootloader.bin',261                                   'bootloader-encrypted.bin',262                                   '256bit_key.bin',263                                   0x1000,264                                   0xf)265    def test_encrypt_decrypt_app(self):266        self._test_encrypt_decrypt('hello-world-signed.bin',267                                   'hello-world-signed-encrypted.bin',268                                   'ef-flashencryption-key.bin',269                                   0x20000,270                                   0xf)...

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