Commit graph

977 commits

Author SHA1 Message Date
Janos Follath
98edf21bb4 Bignum test: remove type restrictrion
The special case list type depends on the arity and the subclass. Remove
type restriction to make defining special case lists more flexible and natural.

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-21 08:56:14 +00:00
Janos Follath
c4fca5de3e Bignum tests: automate modulo test object generation
Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-21 08:56:14 +00:00
Janos Follath
939621f8ed Bignum tests: add support for filtering
Sometimes we don't want all possible combinations of the input data and
sometimes not all combinations make sense. We are adding a convenient
way to decide on a case by case basis. Now child classes only need to
implement the is_valid method and the invalid cases will be filtered out
automatically.

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-21 08:56:14 +00:00
Janos Follath
1921fd585c Bignum tests: use arity in bignum_mod_raw
This makes a couple of properties redundant which are cleaned up.

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-21 08:56:14 +00:00
Janos Follath
a36a3d36b5 Bignum tests: add arity
Add the ability to control the number of operands, by setting the arity
class attribute.

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-21 08:56:14 +00:00
Janos Follath
abfca8f938 Bignum tests: make n an attribute
Having int_ variants as an attribute has the advantage of the input
being validated when the object is instantiated. In theory otherwise if
a particular int_ attribute is not accessed, then the invalid argument
is passed to the tests as it is. (This would in all likelihood detected
by the actual test cases, still, it is more robust like this.)

There are no semantic changes to the generated test cases. (The order
of appearance of 64 and 32 bit mpi_core_add_and_add_if test cases has
changed.)

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-21 08:56:14 +00:00
Janos Follath
4c59d35e00 Bignum tests: make args use input_style
Before arg_ attributes were the arguments as they were defined in the
python script. Turning these into properties and having them take the
form respect the style set in input_style makes the class easier to use
and more consistent.

This change makes the hex_ properties redundant and therefore they are
removed.

There are no semantic changes to the generated test cases. (The order
of appearance of 64 and 32 bit mpi_core_add_and_add_if test cases has
changed.)

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-21 08:56:14 +00:00
Janos Follath
6fa3f0653a Bignum Tests: remove OperationCommonArchSplit
The ArchSplit functionality was duplicated and moved to OperationCommon
from the other copy. The remnants of the functionality is moved to the
only subclass using this.

There is no semantic change to the generated tests. The order has
changed however: core_add tests have been moved before core_mla tests
and the order of the 64 and 32 bit versions have been swapped.

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-21 08:56:14 +00:00
Janos Follath
b41ab926b2 Bignum Tests: move properties to superclass
Move properties that are needed in several children to the superclass.

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-21 08:56:14 +00:00
Janos Follath
155ad8c297 Bignum Tests: remove ModOperationCommonArchSplit
The functionality of ModOperationCommonArchSplit is needed in several
subclasses, therefore moving it to a superclass.

There is another, redundant ArchSplit class, which will be removed in a
later commit.

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-21 08:56:14 +00:00
Janos Follath
948afcecb9 Bignum Tests: move ModOperationArchSplit to common
The class BignumModRawOperationArchSplit has functionality that are
needed in other modules, therefore moving it to bignum_common.

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-21 08:56:14 +00:00
Janos Follath
5b1dbb4cbc Bignum Tests: Move ModOperation to common
The class BignumModRawOperation implements functionality that are needed
in other modules, therefore we move it to common.

No intended changes to test cases. The order of add_and_add_if and sub tests
have been switched.

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-21 08:56:14 +00:00
Janos Follath
351e6885f5 Make pylint happy
Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-21 08:56:14 +00:00
Janos Follath
3aeb60add6 Bignum test: move archsplit to superclass
We need arch split tests in different modules, moving it to the common
module makes it reusable.

No intended changes in the generated tests. (The position of the
core_add_if tests changed, but they are still all there.)

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-21 08:56:13 +00:00
Janos Follath
87df373e0e Bignum test: Move identical function to superclass
No intended change in generated test cases.

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-21 08:56:13 +00:00
Janos Follath
0cd8967ba1 Split test generator base class
The class BaseTarget served two purposes:
- track test cases and target files for generation
- provide an abstract base class for individual test groups

Splitting these allows decoupling these two and to have further common
superclasses across targets.

No intended change in generated test cases.

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-21 08:56:13 +00:00
Gilles Peskine
b9b9026c53 Pacify pylint
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2022-11-15 20:49:43 +01:00
Gilles Peskine
35af02171d Add negative zero as an input to automatically generated tests
Although negative zero is officially unsupported, we've had bugs related to
it in the past. So do test functions with a negative zero input.

There will likely be cases where we don't want to accept negative zero as if
it was valid, because it's too hard to handle. We'll add exceptions on a
case by case basis.

For the functions that are currently tested by the generated tests, the new
test cases pass.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2022-11-15 20:47:07 +01:00
Gilles Peskine
4cbbfd8d4e For binary operations, test both x op y and y op x
This exposes a bug in mbedtls_mpi_add_mpi() and mbedtls_mpi_sub_mpi() which
will be fixed in a subsequent commit.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2022-11-15 20:35:26 +01:00
Minos Galanakis
50de073c84 bignum_mod_raw.py: Added BignumModRawConvertfromMont
This patch adds test class for 'mpi_mod_raw_from_mont_rep()`.

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
2022-11-12 13:21:31 +00:00
Minos Galanakis
a252f6b24c bignum_mod_raw.py: Added BignumModRawConvertToMont
This patch adds test class for 'mpi_mod_raw_to_mont_rep()`.

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
2022-11-12 13:21:31 +00:00
Minos Galanakis
855c228b29 bignum_mod_raw.py: Moved Classes outside of slots
This patch moves `BignumModRawOperation` and `BignumModRawOperationArchSplit`
outside of the scaffolding merge slot.

It also renames `r_sqrt` property to `r2`.

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
2022-11-10 11:37:33 +00:00
Minos Galanakis
a461ece810 bignum_mod_raw.py: Refactoring BignumModRawOperation
This patch modifies the BignumModRawOperation class to
provide special access to key members commonly used
in tests.

It binds the module's getters to conversion functions
which enable automatic conversions such as:

* hex to int.
* zero padding hex strings.
* common Montgomery constants such as R, R^2 and R^01
  are now be calculated upon access.

class `BignumModRawOperationArchSplit` is also updated to
utilise the new design.

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
2022-11-10 11:37:33 +00:00
Minos Galanakis
e9c86a100a bignum_mod_raw.py: Added BignumModRawOperation
This patch is adding a basic instantance of `BignumModRawOperation`
and creates an `BignumModRawOperationArchSplit` class, copying
over the implementation of `BignumCoreRawOperationArchSplit`.

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
2022-11-10 11:37:33 +00:00
Gilles Peskine
34c09469f3
Merge pull request #5396 from SiliconLabs/codegen_1.1
Driver dispatch Codegen 1.1
2022-11-07 15:27:41 +01:00
Janos Follath
f8b3b72910 Add merge slots to bignum_common.py
Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-03 14:46:18 +00:00
Janos Follath
d820ca5d07
Fix bignum test generator class names
Co-authored-by: minosgalanakis <30719586+minosgalanakis@users.noreply.github.com>
Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-03 08:42:54 +00:00
Janos Follath
9cf14cd6b0 Make pylint happy
Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-02 17:28:39 +00:00
Janos Follath
1be322a795 Add merge slots to raw and mod_raw test generation
Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-02 17:27:36 +00:00
Janos Follath
b99b056f0a Add script for generating mod test cases
This commit only adds the boilerplate, no actual tests are added.

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-02 17:27:36 +00:00
Janos Follath
df8239b846 Add script for generating mod_raw test cases
This commit only adds the boilerplate, no actual tests are added.

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-02 17:27:36 +00:00
Janos Follath
5933f691a2 Add merge slots to Bignum files
Legacy Bignum is excluded as it doesn't get regular extensions like new
ones.

Each slot uses comments of their respective filetype. Since .data files
don't have a syntax for comments, dummy test cases are used. (These test
cases will never be executed and no noise will be added to tests.)

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-11-02 17:27:25 +00:00
Janos Follath
8904a2db29 mpi_core_ct_uint_table_lookup: style and docs
Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-10-31 16:51:56 +00:00
Janos Follath
88e3177fcc Make pylint happy
Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-10-31 14:32:46 +00:00
Janos Follath
032924f297 Add mbedtls_mpi_core_ct_uint_table_lookup tests
Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-10-31 11:32:55 +00:00
Tom Cosgrove
eee0d6ce6b Extend the unit tests for mbedtls_mpi_core_add_if() to also test mbedtls_mpi_core_add()
Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
2022-10-25 16:29:58 +01:00
Gilles Peskine
e5a715e8c0
Merge pull request #6449 from gilles-peskine-arm/bignum-core-shift_r
Bignum core: shift_r
2022-10-25 10:40:39 +02:00
Janos Follath
78e3c9b574 Fix style in bignum_core.py
Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-10-20 12:09:30 +01:00
Gilles Peskine
b0ee577287 Bignum core: test shift_r
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2022-10-20 12:00:57 +02:00
Janos Follath
ba516f7524 mpi_core_add_if test: Remove dependency on old API
Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-10-20 10:59:50 +01:00
Janos Follath
5ff03d49c0 Bignum Core test: move bound to constructor
We will need it to pad parameters in the base class, but it is useful
because every child class would need to calculate it anyway.

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-10-20 10:53:14 +01:00
Janos Follath
e153a715f0 mpi_core_add_if: simplify tests
Use the new, limb size aware base class to generate tests for
mpi_core_add_if().

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-10-20 10:40:03 +01:00
Janos Follath
dd2e4683d0 Bignum Core: add limb size specific test generation
In Bignum Core the result also involves a carry and both the result and
the carry depend on the size of the limbs.

Before this change both 32 and 64 bit specific result have been passed
to the test functions.

Moving this decision out of the tests makes the test functions easier to
write and read and the test cases easier to read and debug. The change
doesn't make writing the generator script any harder and might even make
reading it easier.

Signed-off-by: Janos Follath <janos.follath@arm.com>
2022-10-20 10:38:22 +01:00
Werner Lewis
f86c82e8f3 Pass bits_in_limb parameter to duplicated methods
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
2022-10-19 15:20:01 +01:00
Werner Lewis
63653b9b0a Remove unnecessary check
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
2022-10-19 15:20:01 +01:00
Werner Lewis
2295eecb12 Add missing space in string
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
2022-10-19 15:20:01 +01:00
Werner Lewis
1b20e7e645 Redefine result() method to return List
Many bignum tests have multiple calculated result values, so return
these as a list, rather than formatting as a string.

Signed-off-by: Werner Lewis <werner.lewis@arm.com>
2022-10-19 15:20:01 +01:00
Werner Lewis
7a2731463b Add function to generate random montmul cases
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
2022-10-19 15:20:01 +01:00
Werner Lewis
a850312e9d Add test generation for mpi_core_montmul
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
2022-10-19 15:20:01 +01:00
Werner Lewis
0a9c48b68e Add test generation for mpi_core_mla
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
2022-10-19 15:20:01 +01:00