In this test case, an image is signed multiple times with different keys. If any of signatures contained is not verified, the whole authentication check should fail.
Signed-off-by: AKASHI Takahiro takahiro.akashi@linaro.org --- test/py/tests/test_efi_secboot/conftest.py | 3 ++ test/py/tests/test_efi_secboot/test_signed.py | 51 +++++++++++++++++++ 2 files changed, 54 insertions(+)
diff --git a/test/py/tests/test_efi_secboot/conftest.py b/test/py/tests/test_efi_secboot/conftest.py index 13687a2da1a6..8d656d5cafba 100644 --- a/test/py/tests/test_efi_secboot/conftest.py +++ b/test/py/tests/test_efi_secboot/conftest.py @@ -120,6 +120,9 @@ def efi_boot_env(request, u_boot_config): ## Sign image check_call('cd %s; sbsign --key db.key --cert db.crt helloworld.efi' % mnt_point, shell=True) + ## Sign already-signed image with another key + check_call('cd %s; sbsign --key db1.key --cert db1.crt --output helloworld.efi.signed_2sigs helloworld.efi.signed' + % mnt_point, shell=True) ## Digest image check_call('cd %s; %shash-to-efi-sig-list helloworld.efi db_hello.hash; %ssign-efi-sig-list -c KEK.crt -k KEK.key db db_hello.hash db_hello.auth' % (mnt_point, EFITOOLS_PATH, EFITOOLS_PATH), diff --git a/test/py/tests/test_efi_secboot/test_signed.py b/test/py/tests/test_efi_secboot/test_signed.py index 21ae2bc5ed48..2ef95c6e1a14 100644 --- a/test/py/tests/test_efi_secboot/test_signed.py +++ b/test/py/tests/test_efi_secboot/test_signed.py @@ -147,3 +147,54 @@ class TestEfiSignedImage(object): 'efidebug test bootmgr']) assert(''HELLO' failed' in ''.join(output)) assert('efi_start_image() returned: 26' in ''.join(output)) + + def test_efi_signed_image_auth5(self, u_boot_console, efi_boot_env): + """ + Test Case 5 - multiple signatures + one signed with TEST_db, and + one signed with TEST_db1 + """ + u_boot_console.restart_uboot() + disk_img = efi_boot_env + with u_boot_console.log.section('Test Case 5a'): + # Test Case 5a, rejected if any of signatures is not verified + output = u_boot_console.run_command_list([ + 'host bind 0 %s' % disk_img, + 'fatload host 0:1 4000000 db.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize db', + 'fatload host 0:1 4000000 KEK.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize KEK', + 'fatload host 0:1 4000000 PK.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize PK']) + assert(not 'Failed to set EFI variable' in ''.join(output)) + output = u_boot_console.run_command_list([ + 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi.signed_2sigs ""', + 'efidebug boot next 1', + 'efidebug test bootmgr']) + assert(''HELLO' failed' in ''.join(output)) + assert('efi_start_image() returned: 26' in ''.join(output)) + + with u_boot_console.log.section('Test Case 5b'): + # Test Case 5b, authenticated if both signatures are verified + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 db1.auth', + 'setenv -e -nv -bs -rt -at -a -i 4000000,$filesize db']) + assert(not 'Failed to set EFI variable' in ''.join(output)) + output = u_boot_console.run_command_list([ + 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi.signed_2sigs ""', + 'efidebug boot next 1', + 'bootefi bootmgr']) + assert('Hello, world!' in ''.join(output)) + + with u_boot_console.log.section('Test Case 5c'): + # Test Case 5c, rejected if any of signatures is revoked + output = u_boot_console.run_command_list([ + 'fatload host 0:1 4000000 dbx_hash.auth', + 'setenv -e -nv -bs -rt -at -i 4000000,$filesize dbx']) + assert(not 'Failed to set EFI variable' in ''.join(output)) + output = u_boot_console.run_command_list([ + 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi.signed_2sigs ""', + 'efidebug boot next 1', + 'efidebug test bootmgr']) + assert(''HELLO' failed' in ''.join(output)) + assert('efi_start_image() returned: 26' in ''.join(output))