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psa_test_case automatic dependencies: take the key size into account

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This fixes the dependencies for DH group and elliptic curve families.

No changes to the generated output (the new functionality isn't used yet).

Signed-off-by: Gilles Peskine <[email protected]>
This commit is contained in:
Gilles Peskine
2024-12-11 11:13:05 +01:00
parent 16229d8726
commit 05e4ae8bd7
2 changed files with 20 additions and 1 deletions
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scripts/generate_psa_tests.py
+6 -1
View File
@@ -41,6 +41,7 @@ def test_case_for_key_type_not_supported(
tc.set_description('PSA {} {} {}-bit {} supported'
.format(verb, short_key_type, bits, adverb))
tc.set_function(verb + '_not_supported')
tc.set_key_bits(bits)
tc.set_arguments([key_type] + list(args))
tc.set_dependencies(dependencies)
tc.skip_if_any_not_implemented(dependencies)
@@ -153,6 +154,7 @@ def test_case_for_key_generation(
tc.set_description('PSA {} {}-bit'
.format(short_key_type, bits))
tc.set_function('generate_key')
tc.set_key_bits(bits)
tc.set_arguments([key_type] + list(args) + [result])
tc.set_dependencies(dependencies)
tc.skip_if_any_not_implemented(dependencies)
@@ -279,7 +281,9 @@ class OpFail:
tc.set_function(category.name.lower() + '_fail')
arguments = [] # type: List[str]
if kt:
key_material = kt.key_material(kt.sizes_to_test()[0])
bits = kt.sizes_to_test()[0]
tc.set_key_bits(bits)
key_material = kt.key_material(bits)
arguments += [key_type, test_case.hex_string(key_material)]
arguments.append(alg.expression)
if category.is_asymmetric():
@@ -498,6 +502,7 @@ class StorageFormat:
dependencies += psa_information.generate_deps_from_description(key.description)
dependencies = psa_information.fix_key_pair_dependencies(dependencies, 'BASIC')
tc.set_function('key_storage_' + verb)
tc.set_key_bits(key.bits)
if self.forward:
extra_arguments = []
else:
scripts/mbedtls_framework/psa_test_case.py
+14
View File
@@ -70,11 +70,25 @@ class TestCase(test_case.TestCase):
self.manual_dependencies = [] #type: List[str]
self.automatic_dependencies = set() #type: Set[str]
self.dependency_prefix = dependency_prefix #type: Optional[str]
self.key_bits = None #type: Optional[int]
def set_key_bits(self, key_bits: Optional[int]) -> None:
"""Use the given key size for automatic dependency generation.
Call this function before set_arguments() if relevant.
This is only relevant for ECC and DH keys. For other key types,
this information is ignored.
"""
self.key_bits = key_bits
def infer_dependencies(self, arguments: List[str]) -> List[str]:
"""Infer dependencies based on the test case arguments."""
dependencies = psa_information.automatic_dependencies(*arguments,
prefix=self.dependency_prefix)
if self.key_bits is not None:
dependencies = psa_information.finish_family_dependencies(dependencies,
self.key_bits)
return dependencies
def set_arguments(self, arguments: List[str]) -> None: