diff options
| author | nagendra modadugu <ngm@google.com> | 2016-02-19 15:21:45 -0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2016-03-31 07:08:01 -0700 |
| commit | 7aa42e2ba9a33530dd97bc5e814cd1b73d2cbb25 (patch) | |
| tree | 78886f1b2d0b148a31e2471b4196fa7cd5858da9 /test/tpm_test | |
| parent | 70378b86b4e5682b70a8145c9679e250280d6f14 (diff) | |
| download | chrome-ec-7aa42e2ba9a33530dd97bc5e814cd1b73d2cbb25.tar.gz | |
CR50: add NULL padding support for RSA encrypt/decrypt
NULL padding (aka vanilla RSA) support is required by
the TPM2 test suite (referred to as TPM_ALG_NULL in the
tpm2 source).
BRANCH=none
BUG=chrome-os-partner:43025,chrome-os-partner:47524
TEST=tests under test/tpm2 pass
Change-Id: I9848fad3b44add05a04810ecd178fbad20ae92cc
Signed-off-by: nagendra modadugu <ngm@google.com>
Reviewed-on: https://chromium-review.googlesource.com/328830
Commit-Ready: Nagendra Modadugu <ngm@google.com>
Tested-by: Nagendra Modadugu <ngm@google.com>
Reviewed-by: Nagendra Modadugu <ngm@google.com>
Diffstat (limited to 'test/tpm_test')
| -rw-r--r-- | test/tpm_test/rsa_test.py | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/test/tpm_test/rsa_test.py b/test/tpm_test/rsa_test.py index 37ffbd2677..2a751d3ee7 100644 --- a/test/tpm_test/rsa_test.py +++ b/test/tpm_test/rsa_test.py @@ -26,7 +26,8 @@ _RSA_PADDING = { 'PKCS1-SSA': 0x14, 'PKCS1-ES': 0x15, 'PKCS1-PSS': 0x16, - 'OAEP': 0x17 + 'OAEP': 0x17, + 'NULL': 0x10, } @@ -110,6 +111,7 @@ _ENCRYPT_INPUTS = ( ('OAEP', 'SHA256', 768), ('PKCS1-ES', 'NONE', 768), ('PKCS1-ES', 'NONE', 2048), + ('NULL', 'NONE', 768), ) @@ -135,6 +137,14 @@ def _encrypt_tests(tpm): key_len, ciphertext) wrapped_response = tpm.command(tpm.wrap_ext_command(subcmd.RSA, cmd)) plaintext = tpm.unwrap_ext_response(subcmd.RSA, wrapped_response) + if padding == 'NULL': + # Check for leading zeros. + if reduce(lambda x, y: x | y, + map(ord, plaintext[:len(plaintext) - len(msg)])): + raise subcmd.TpmTestError('%s error:%s%s' % ( + test_name, utils.hex_dump(msg), utils.hex_dump(plaintext))) + else: + plaintext = plaintext[len(plaintext) - len(msg):] if msg != plaintext: raise subcmd.TpmTestError('%s error:%s%s' % ( test_name, utils.hex_dump(msg), utils.hex_dump(plaintext))) |