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-rw-r--r--test/py/tests/test_vboot.py34
1 files changed, 21 insertions, 13 deletions
diff --git a/test/py/tests/test_vboot.py b/test/py/tests/test_vboot.py
index b1badaad73..817f2a99d2 100644
--- a/test/py/tests/test_vboot.py
+++ b/test/py/tests/test_vboot.py
@@ -91,7 +91,8 @@ def test_vboot(u_boot_console, sha_algo, padding, required):
if boots:
assert('sandbox: continuing, as we cannot run' in ''.join(output))
else:
- assert('sandbox: continuing, as we cannot run' not in ''.join(output))
+ assert('sandbox: continuing, as we cannot run'
+ not in ''.join(output))
def make_fit(its):
"""Make a new FIT from the .its source file.
@@ -211,7 +212,8 @@ def test_vboot(u_boot_console, sha_algo, padding, required):
bcfg = u_boot_console.config.buildconfig
max_size = int(bcfg.get('config_fit_signature_max_size', 0x10000000), 0)
existing_size = replace_fit_totalsize(max_size + 1)
- run_bootm(sha_algo, 'Signed config with bad hash', 'Bad Data Hash', False)
+ run_bootm(sha_algo, 'Signed config with bad hash', 'Bad Data Hash',
+ False)
cons.log.action('%s: Check overflowed FIT header totalsize' % sha_algo)
# Replace with existing header bytes
@@ -229,7 +231,8 @@ def test_vboot(u_boot_console, sha_algo, padding, required):
util.run_and_log(cons, 'fdtput -t bx %s %s value %s' %
(fit, sig_node, sig))
- run_bootm(sha_algo, 'Signed config with bad hash', 'Bad Data Hash', False)
+ run_bootm(sha_algo, 'Signed config with bad hash', 'Bad Data Hash',
+ False)
cons.log.action('%s: Check bad config on the host' % sha_algo)
util.run_and_log_expect_exception(cons, [fit_check_sign, '-f', fit,
@@ -238,12 +241,11 @@ def test_vboot(u_boot_console, sha_algo, padding, required):
def test_required_key(sha_algo, padding):
"""Test verified boot with the given hash algorithm.
- This function test if u-boot reject an image when a required
- key isn't used to sign a FIT.
+ This function tests if U-Boot rejects an image when a required key isn't
+ used to sign a FIT.
Args:
- sha_algo: Either 'sha1' or 'sha256', to select the algorithm to
- use.
+ sha_algo: Either 'sha1' or 'sha256', to select the algorithm to use
"""
# Compile our device tree files for kernel and U-Boot. These are
# regenerated here since mkimage will modify them (by adding a
@@ -251,18 +253,24 @@ def test_vboot(u_boot_console, sha_algo, padding, required):
dtc('sandbox-kernel.dts')
dtc('sandbox-u-boot.dts')
- # Build the FIT with prod key (keys required)
- # Build the FIT with dev key (keys NOT required)
- # The dtb contain the key prod and dev and the key prod are set as required.
- # Then try to boot the FIT with dev key
- # This FIT should not be accepted by u-boot because the key prod is required
cons.log.action('%s: Test FIT with configs images' % sha_algo)
+
+ # Build the FIT with prod key (keys required) and sign it. This puts the
+ # signature into sandbox-u-boot.dtb, marked 'required'
make_fit('sign-configs-%s%s-prod.its' % (sha_algo , padding))
sign_fit(sha_algo)
+
+ # Build the FIT with dev key (keys NOT required). This adds the
+ # signature into sandbox-u-boot.dtb, NOT marked 'required'.
make_fit('sign-configs-%s%s.its' % (sha_algo , padding))
sign_fit(sha_algo)
- run_bootm(sha_algo, 'signed configs', '', False)
+ # So now sandbox-u-boot.dtb two signatures, for the prod and dev keys.
+ # Only the prod key is set as 'required'. But FIT we just built has
+ # a dev signature only (sign_fit() overwrites the FIT).
+ # Try to boot the FIT with dev key. This FIT should not be accepted by
+ # U-Boot because the prod key is required.
+ run_bootm(sha_algo, 'required key', '', False)
cons = u_boot_console
tmpdir = cons.config.result_dir + '/'