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Author SHA1 Message Date
Gabor Mezei
b6653f3e27
Update comments 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-05-12 12:34:12 +02:00
Gabor Mezei
dcaf99ebb8
Add another round in the Koblitz reduction 
The addition can result in an overflow so another round is needed
in the reduction.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-05-12 12:34:05 +02:00
Paul Elliott
481a6a8edb
Merge pull request #7482 from gabor-mezei-arm/6029_use_core_api_in_ecp_mod_koblitz 
[Bignum] Use core API in ecp_mod_koblitz()
 2023-05-10 17:24:46 +01:00
Gabor Mezei
908f40014c
Determine special cases in-place in the common Koblitz function 
Remove parameter used by the special cases and check for special cases in-place.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-05-05 16:31:19 +02:00
Paul Elliott
47a3c82118 Enable curve 448 to be tested 
Signed-off-by: Paul Elliott <paul.elliott@arm.com>
 2023-04-26 22:23:13 +01:00
Gabor Mezei
19c6f47dbc
Allocate the right amount of memory 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-04-26 15:22:11 +02:00
Gabor Mezei
fead53311b
Remove unused macro 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-04-26 15:20:01 +02:00
Gabor Mezei
03367fe42d
Ignore carry since it can not be generated 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-04-26 14:08:45 +02:00
Gabor Mezei
d2c0ba172c
Fix value in comment 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-04-26 14:08:44 +02:00
Gabor Mezei
7097447b84
Ensure input parameter size for Koblitz reduction 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-04-26 14:08:35 +02:00
Gabor Mezei
8183c5dcc3
Use core API in ecp_mod_koblitz() 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-04-26 14:03:29 +02:00
Janos Follath
91a618375a
Merge pull request #7427 from minosgalanakis/ecp/7258_ecp_mod_p256K1_add_test_cases 
ECP: Add Unit Tests for secp256k1
 2023-04-26 08:52:24 +01:00
Minos Galanakis
9c2c81f996 ecp_curves: Renamed ecp_mod_p256k1 -> mbedtls_ecp_mod_p256k1 
Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
 2023-04-25 13:30:59 +01:00
Minos Galanakis
d6751dcd8b ecp_curves: Added unit-tests for secp256k1 
This patch introduces basic unit-testing for the `ecp_mod_p256k1()`.

The method is exposed through the ecp_invasive interface, and
the standard testing data is being provided by the python framework.

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
 2023-04-25 13:30:59 +01:00
Gabor Mezei
f921f4d228
Use loop for two passes in the reduction 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-04-21 14:09:06 +02:00
Minos Galanakis
9d80879f90 ecp_curves: Introduced mbedtls_ecp_mod_p224k1() 
This patch introduces a `MBEDTLS_STATIC_TESTABLE` helper
method which exposes `ecp_mod_p256k1()` to the test-framework

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
 2023-04-18 14:13:20 +01:00
Minos Galanakis
e5dab975c6 ecp_curves: Added unit-tests for secp224k1 
This patch introduces basic unit-testing for the `ecp_mod_p224k1()`.

The method is exposed through the ecp_invasive interface, and
the standard testing data is being provided by the python framework.

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
 2023-04-18 14:13:20 +01:00
Janos Follath
3c3b94a31b
Merge pull request #7424 from gabor-mezei-arm/7256_unit_tests_for_p192k1 
Add unit tests for ecp_mod_p192k1()
 2023-04-18 12:19:40 +01:00
Gabor Mezei
0a11ee6da8
Fix function declaration 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-04-13 12:48:06 +02:00
Gabor Mezei
83669d910e
Add a testable function for ecp_mod_p192k1 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-04-13 12:44:37 +02:00
Valerio Setti
d4a5d461de library: add remaining changes for the new ECP_LIGHT symbol 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-04-11 11:33:50 +02:00
Janos Follath
44c6694be7
Merge pull request #7351 from gabor-mezei-arm/7109_ecp_fast_reduction_testing 
Test unlikely cases of ECC modular reduction
 2023-04-06 15:55:19 +01:00
Gabor Mezei
df9c029dd5
Remove obsolete ecp_fix_negative function 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-03-28 18:43:07 +02:00
Gabor Mezei
514806bbe9
Add a second round of carry reduction for P192 fast reduction 
The first round of carry reduction can generate a carry so a
second round is needed.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-03-28 15:09:34 +02:00
Minos Galanakis
68d64a10b6 ecp_curves: Re-introduced mbedtls_ecp_fix_negative() 
This patch re-introduces `mbedtls_ecp_fix_negative` and
appropriately adjusts its' define guards.

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
 2023-03-22 11:28:15 +00:00
Minos Galanakis
37f4cb6d0e ecp_curves: Minor rework for p384 
This patch adjusts formatting, documentation and testing.

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
 2023-03-21 15:46:50 +00:00
Minos Galanakis
6fb105fb2e ecp_curves: Ported prototypes 
Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
 2023-03-21 15:41:26 +00:00
Janos Follath
c18cd0c8e6
Merge pull request #7230 from gabor-mezei-arm/6850_Secp256r1_fast_reduction 
Extract Secp256r1 fast reduction from the prototype
 2023-03-16 19:43:25 +00:00
Gabor Mezei
e4710ae9ed
Add and fix comments 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-03-09 13:43:02 +01:00
Gabor Mezei
716447ff32
Fix limb size calculation 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-03-08 14:09:51 +01:00
Gabor Mezei
ed1acf642c
Apply naming conventions 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-03-08 14:09:50 +01:00
Gabor Mezei
5221c04b92
Change the p256_raw fuction to be testable 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-03-08 14:09:50 +01:00
Gabor Mezei
ab6ac91a0a
Extract Secp256r1 from the prototype 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-03-08 14:09:50 +01:00
Tom Cosgrove
5c8505f061 Fix typos 
Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
 2023-03-07 11:39:52 +00:00
Janos Follath
fe780a3c4b
Merge pull request #7184 from gabor-mezei-arm/6349_Secp224r1_fast_reduction 
Extract Secp224r1 fast reduction from the prototype
 2023-03-07 10:57:58 +00:00
Gabor Mezei
97803abd2a
Update comment 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-03-06 16:32:16 +01:00
Gabor Mezei
aeadc2d731
Apply naming convention 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-03-01 16:53:03 +01:00
Gabor Mezei
620f0dc850
Fix for 32-bit 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-28 18:42:33 +01:00
Gabor Mezei
08a94953e1
Apply naming convention for p224 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-28 18:40:57 +01:00
Gabor Mezei
5afb80e00a
Fix coding style issues 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-27 17:00:34 +01:00
Gabor Mezei
804cfd32ea
Follow the naming convention 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-27 16:50:09 +01:00
Gabor Mezei
bf506361c4
Revert the illustration and remove unnecessary code 
This reverts commit 73e8553273.
Removes the second round of carry reduction from p224.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-27 16:37:32 +01:00
Gabor Mezei
73e8553273
Add comments to illustrate the second round of carry reduction is unnecessary 
The first round of carry reduction can not generate a carry thus the
secound round is not needed. The comments illustrating when the
carry is 1. The reduction is simmetric so the case when the carry is
-1 is similar.
The illustration is trying to calculate the input value starting with
setting the carry to 1 before the second round of the carry reduction.
It calculates backwords and tries to determine the value range of
each word. It ends up with a contradiction that A10 must have the
value of 0 and UINT32_MAX.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-27 16:32:42 +01:00
Gabor Mezei
a835d20cde
Add documentation 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-27 15:58:30 +01:00
Gabor Mezei
aef0f2de9f
Fix limb size calculation 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-21 11:35:31 +01:00
Gabor Mezei
e14b5bdba7
Change the ecp_mod_p224_raw to be testable 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-21 11:35:26 +01:00
Gabor Mezei
66f88a9d22
Extract Secp224r1 from the prototype 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-21 11:32:29 +01:00
Minos Galanakis
a30afe2216 ecp_curves: Minor refactoring. 
This patch introduces the following changes:
* Documentation for `mbedtls_ecp_modulus_setup()`
  moved to `ecp_invasive.h`.
* Added invalid modulus selector `MBEDTLS_ECP_MOD_NONE`.
* Adjusted negative tests to use invalid selectors.
* Reworded documentation.

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
 2023-02-20 13:53:06 +00:00
Minos Galanakis
d2ca802329 ecp_curves: Added mbedtls_ecp_modulus_setup(). 
This patch introduces a new static method, responsible
for automatically initialising an modulus structure,
based on the curve id and a modulus type selector.

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
 2023-02-20 13:49:46 +00:00
Gabor Mezei
ac70ad6576
Fix coding style 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-16 19:31:21 +01:00