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74 Commits

Author SHA1 Message Date
Minos Galanakis
2a03fd3b7b bignum_mod: Added a typedef for OPT_RED function pointer. 
Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
 2023-06-22 09:14:28 +01:00
Minos Galanakis
de87461c23 ecp_curves: Updated the optimised reduction function pointer. 
This patch modifies the `mbedtls_mpi_opt_red_struct` to use an
mpi_uint * pointer and size_t limps arguments.

The methods interacting with this pointer have been updated
accordingly:

- mbedtls_mpi_mod_optred_modulus_setup
- mbedtls_ecp_modulus_setup

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
 2023-06-16 13:48:47 +01:00
Minos Galanakis
5c238d80cd bignum_mod: Updated documentation. 
Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
 2023-06-16 13:48:47 +01:00
Minos Galanakis
be1bf15f76 bignum_mod: Updated optred_modulus_setup to use function input. 
Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
 2023-06-16 13:48:47 +01:00
Minos Galanakis
c6e68ed85d bignum_mod: Added mbedtls_mpi_opt_red_struct structure. 
Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
 2023-06-16 13:48:47 +01:00
Minos Galanakis
88e16dfa2a bignum_mod: Refactored mbedtls_mpi_mod_modulus_setup() 
This patch removes the `int_rep` input parameter for modular
setup, aiming to align it with the optred variant.

Test and test-suite helper functions have been updated
accordingly.

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
 2023-06-16 13:48:47 +01:00
Minos Galanakis
bbe9db4b29 binum_mod: Added mbedtls_mpi_mod_optred_modulus_setup(). 
Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
 2023-06-16 13:48:47 +01:00
Minos Galanakis
00bd8925a7 bignum: Removed merge scaffolding. 
Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
 2023-04-05 16:13:11 +01:00
Tom Cosgrove
8a1f784ece Fix typos in doxygen commands in new bignum modules 
Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
 2023-02-01 08:43:54 +00:00
Mihir Raj Singh
432cacf5c2 bignum_mod_raw: Renamed m -> N in mbedtls_mpi_mod_raw_neg() 
Signed-off-by: Mihir Raj Singh <mihirrajsingh123@gmail.com>
 2023-01-17 11:25:26 +05:30
Mihir Raj Singh
a43290d556 bignum_mod: Renamed m -> N in mbedtls_mpi_mod_write() 
Signed-off-by: Mihir Raj Singh <mihirrajsingh123@gmail.com>
 2023-01-16 23:08:17 +05:30
Mihir Raj Singh
fdc314b6fe bignum_mod: Renamed m -> N in mbedtls_mpi_mod_read() 
Signed-off-by: Mihir Raj Singh <mihirrajsingh123@gmail.com>
 2023-01-16 23:06:16 +05:30
Mihir Raj Singh
928a07ba49 bignum_mod: Renamed m -> N in mbedtls_mpi_mod_modulus_free 
Signed-off-by: Mihir Raj Singh <mihirrajsingh123@gmail.com>
 2023-01-16 23:04:37 +05:30
Mihir Raj Singh
f438ad1ab9 bignum_mod: Renamed m -> N in mbedtls_mpi_mod_modulus_setup() 
Signed-off-by: Mihir Raj Singh <mihirrajsingh123@gmail.com>
 2023-01-16 23:03:06 +05:30
Mihir Raj Singh
b6fa940fc4 bignum_mod: Renamed m -> N in mbedtls_mpi_mod_modulus_init() 
Signed-off-by: Mihir Raj Singh <mihirrajsingh123@gmail.com>
 2023-01-16 23:02:04 +05:30
Mihir Raj Singh
b13a58938a bignum_mod: Renamed m -> N in mbedtls_mpi_mod_residue_setup() 
Signed-off-by: Mihir Raj Singh <mihirrajsingh123@gmail.com>
 2023-01-16 23:01:25 +05:30
Gilles Peskine
449bd8303e Switch to the new code style 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-01-11 14:50:10 +01:00
Manuel Pégourié-Gonnard
676766ff77 Merge pull request #6776 from gabor-mezei-arm/6222_bignum_mod_mul 
Bignum: Implement fixed width modular multiplication
 2022-12-23 10:39:30 +01:00
Manuel Pégourié-Gonnard
2fcb4c1d06 Merge pull request #6747 from gilles-peskine-arm/bignum-mod-random 
Bignum mod random
 2022-12-23 10:36:22 +01:00
Gilles Peskine
eb2e77f617 Document modulus representation selectors 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2022-12-20 19:55:51 +01:00
Gabor Mezei
6a31b7252d Fix documentation 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2022-12-20 17:30:19 +01:00
Gabor Mezei
9db81e9cca Add mod_mul function 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2022-12-20 17:30:13 +01:00
Gilles Peskine
e162b4725c Merge pull request #6777 from tom-cosgrove-arm/issue-6292-mod_inv 
Bignum: Implement high level fixed width modular inversion
 2022-12-17 13:26:02 +01:00
Gilles Peskine
b1eea02f74 Implement and test mbedtls_mpi_mod_random 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2022-12-16 10:13:29 +01:00
Manuel Pégourié-Gonnard
057b458583 Merge pull request #6766 from wernerlewis/bignum_mod_docs 
Bignum: document conventions for bignum mod and mod_raw
 2022-12-16 09:58:36 +01:00
Werner Lewis
6bb49ba121 Document const parameter conventions 
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
 2022-12-15 17:04:43 +00:00
Tom Cosgrove
d692ba4248 Note that (as usual) for mbedtls_mpi_mod_inv() residues must be associated with the modulus 
Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
 2022-12-15 16:56:36 +00:00
Tom Cosgrove
4302d02fa8 Add mbedtls_mpi_mod_inv() 
Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
 2022-12-15 16:56:36 +00:00
Werner Lewis
756a34aadc Use lower case for p and r 
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
 2022-12-15 14:53:43 +00:00
Werner Lewis
0f644f48e9 Add output initialization requirement 
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
 2022-12-15 14:13:32 +00:00
Werner Lewis
214ae64349 Replace \p with \c for non-parameter code typeset 
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
 2022-12-15 13:36:07 +00:00
Werner Lewis
1d89ebf548 Clarify all functions operate modulo N 
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
 2022-12-15 13:35:41 +00:00
Werner Lewis
a306886b3a Add modulus to parameter ordering 
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
 2022-12-15 13:35:41 +00:00
Werner Lewis
2e70b9afef Reword bignum sizes section 
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
 2022-12-15 13:35:41 +00:00
Werner Lewis
2bd263da1e Fix grammar and spelling 
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
 2022-12-15 13:35:40 +00:00
Werner Lewis
945a165a3c Clarify output requirements 
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
 2022-12-15 13:22:27 +00:00
Werner Lewis
eac8be76d6 Remove unnecessary type comment 
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
 2022-12-15 13:22:17 +00:00
Werner Lewis
e1eb75dc99 Specify modulus constraints 
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
 2022-12-15 12:27:56 +00:00
Werner Lewis
eed01aabd3 Clarify wording in documentation 
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
 2022-12-14 09:44:00 +00:00
Werner Lewis
5e9d2e9019 Add conventions for bignum mod and mod_raw 
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
 2022-12-12 14:00:25 +00:00
Werner Lewis
e1b6b7c0ac Implement mbedtls_mpi_mod_add() 
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
 2022-12-06 11:55:32 +00:00
Tom Cosgrove
62b20488f1 Implement mbedtls_mpi_mod_sub() 
Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
 2022-12-01 14:27:37 +00:00
Janos Follath
1f8afa22a4 Bignum Mod: improve documentation and style 
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2022-11-28 14:58:08 +00:00
Janos Follath
6eb92c0410 Bignum Mod: improve documentation and style 
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2022-11-26 17:34:37 +00:00
Janos Follath
ee530cc644 Bignum Mod: improve documentation 
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2022-11-25 17:55:00 +00:00
Janos Follath
fc6fbb4e96 Bignum Mod: improve documentation 
Signed-off-by: Janos Follath <janos.follath@arm.com>

Co-authored-by: Tom Cosgrove <tom.cosgrove@arm.com>
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2022-11-25 17:55:00 +00:00
Janos Follath
41427dee80 Bignum Mod: improve documentation 
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2022-11-25 17:55:00 +00:00
Janos Follath
91295d2b8f Bignum Mod: remove endianness from modulus 
The external representation before included more than just endianness
(like reading in Mongtomery curve scalars or converting hashes to
numbers in a standard compliant way).

These are higher level concepts and are out of scope for Bignum and for
the modulus structure.

Signed-off-by: Janos Follath <janos.follath@arm.com>
 2022-11-25 17:55:00 +00:00
Janos Follath
3e3fc91c33 Bignum Mod: pass endianness as a parameter 
The external representation before included more than just endianness
(like reading in Mongtomery curve scalars or converting hashes to
numbers in a standard compliant way).

These are higher level concepts and are out of scope for Bignum and for
the modulus structure.

Passing endianness as a parameter is a step towards removing it from the
modulus structure.

Signed-off-by: Janos Follath <janos.follath@arm.com>
 2022-11-25 17:55:00 +00:00
Minos Galanakis
8b375451c5 bignum_mod: Refactored mbedtls_mpi_mod_read/write() 
This patch adjusts the I/O methods and the tests.
Documentation has also been updated to be more clear.

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
 2022-11-25 17:55:00 +00:00