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Author SHA1 Message Date
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
98791e7781
Add more test cases for P224 testing 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-27 15:59:34 +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
f65a059a64
Add test generation for ecp_mod_p224_raw 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-21 11:40:27 +01:00
Gabor Mezei
7c8d706f4e
Use a common function to calculate the number of hex digits 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-21 11:36:49 +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
Gilles Peskine
6df4a9b297
Merge pull request #7045 from lpy4105/issue/6947/apply-exclusions-in-code_style_py 
code_style.py: Apply exclusions when restyling a list of files
 2023-02-21 10:11:13 +01:00
Janos Follath
ec718afb41
Merge pull request #7051 from gabor-mezei-arm/6376_Secp521r1_fast_reduction 
Add a raw entry point to Secp521r1 fast reduction
 2023-02-20 13:03:12 +00:00
Manuel Pégourié-Gonnard
718eb4f190
Merge pull request #7025 from AndrzejKurek/uri_san 
Add the uniformResourceIdentifier subtype for the subjectAltName
 2023-02-20 11:29:59 +01:00
Gabor Mezei
ac70ad6576
Fix coding style 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-16 19:31:21 +01:00
Andrzej Kurek
81b0b89a34 Clarify comments on subjectAltName types 
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
 2023-02-16 06:55:10 -05:00
Gabor Mezei
2c8e144ef6
Fix tests for 32bit 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-16 10:25:08 +01:00
Gabor Mezei
7e6fcc1fbc
Update documentation 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-15 18:19:09 +01:00
Gabor Mezei
555b1f7e44
Add check for test 
Check the bit length of the output of ecp_mod_p521_raw.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-15 18:19:09 +01:00
Gabor Mezei
2b064ec332
Revert the addition of hex digit calculator function 
This reverts commit 0f83e15e670565147daa32fd1fac510759520e26.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-15 18:19:08 +01:00
Gabor Mezei
cf228706cd
Restrict input parameter size for ecp_mod_p521_raw 
The imput mpi parameter must have twice as many limbs as the modulus.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-15 18:19:08 +01:00
Gabor Mezei
d10d429380
Stack usage optimization for mod_p521 
Instead of creating an mpi on the stack, reuse the unused part of the input mpi.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-15 18:13:51 +01:00
Janos Follath
fe24e91a34
mod_p521: document reduction algorithm 
Signed-off-by: Janos Follath <janos.follath@arm.com>
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-15 18:13:50 +01:00
Janos Follath
666673e83f
modp521: apply naming conventions 
Apply the usual parameter name and align the local variables and
comments. This naming diverges from the standard notation, but this is
beneficial as our variable meanings diverge as well and the difference
can help avoiding confusion.

Signed-off-by: Janos Follath <janos.follath@arm.com>
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-15 18:13:50 +01:00
Janos Follath
755ff0e685
Add corner case to mod_p521 tests 
Signed-off-by: Janos Follath <janos.follath@arm.com>
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-15 18:13:50 +01:00
Janos Follath
13c3aa13af
Revert changes to mod_p521 flow 
It is not necessary to save the middle limb upfront as overwriting it is
the desired result: in the first step we are reducing modulo
2^{512+biL}.

Arguably, the original flow is more intuitive and easier to see the idea
behind it.

Signed-off-by: Janos Follath <janos.follath@arm.com>
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-15 18:13:50 +01:00
Gabor Mezei
b50aeb8f05
Fix 32-bit issues 
The 521 bit needs different limb alignment for different word sizes.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-15 18:13:49 +01:00
Gabor Mezei
6bfbd36507
Fix coding style issues 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-15 18:13:49 +01:00
Gabor Mezei
05c138e172
Fix pylint issues 
Create a new function for calculating the number of hex digits needed
for a certain amount of limbs.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-15 18:13:49 +01:00
Gabor Mezei
b62ad5d569
Rename function to follow naming convention 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-15 18:13:48 +01:00
Gabor Mezei
b1c62caa1f
Add documentation 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-15 18:13:48 +01:00
Gabor Mezei
d8f67b975b
Add test generation for ecp_mod_p521_raw 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-15 18:13:48 +01:00
Gabor Mezei
2cb630edee
Change the ecp_mod_p521_raw to be testable 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-15 18:05:22 +01:00
Gabor Mezei
8450ab9c60
Fix Secp521r1 reduction 
The prototype calculated with wrong limb size and not taken into account
the overflow in the shared limb.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-15 18:03:03 +01:00
Gabor Mezei
42df16c84b
Extract Secp521r1 from the prototype 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-15 18:02:57 +01:00
Gilles Peskine
e2a9f86755
Merge pull request #6971 from gabor-mezei-arm/6026_Secp192r1_fast_reduction 
Extract Secp192r1 fast reduction from the prototype
 2023-02-15 16:22:36 +01:00
Manuel Pégourié-Gonnard
6778ddf657
Merge pull request #6549 from gilles-peskine-arm/psa-migration-md-cipher-strategy 
Dual-API hash dispatch strategy
 2023-02-15 12:50:13 +01:00
Pengyu Lv
10f41444a0 Fix CI failure 
Signed-off-by: Pengyu Lv <pengyu.lv@arm.com>
 2023-02-15 16:58:09 +08:00
Pengyu Lv
c36743f4e0 Only check files known to git 
Signed-off-by: Pengyu Lv <pengyu.lv@arm.com>
 2023-02-15 10:20:40 +08:00
Gilles Peskine
edc6ae9578
Merge pull request #7090 from paul-elliott-arm/fix_iar_warnings_dev 
Fix IAR Warnings
 2023-02-14 20:01:00 +01:00
Gilles Peskine
c5e2a4fe67
Merge pull request #6937 from valeriosetti/issue6886 
Add test for PK parsing of keys using compressed points
 2023-02-14 19:54:29 +01:00
Gabor Mezei
0b4b8e3c5e
Update documentation 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-14 16:36:38 +01:00
Andrzej Kurek
570a0f808b Move to DER certificates for new x509 tests 
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
 2023-02-14 05:52:49 -05:00
Dave Rodgman
319a5675db
Merge pull request #7084 from daverodgman/sizemax-uintmax 
Assume SIZE_MAX >= INT_MAX, UINT_MAX
 2023-02-14 10:06:22 +00:00
Manuel Pégourié-Gonnard
6b9503a32d
Merge pull request #7064 from valeriosetti/issue6860 
driver-only ECDSA: get testing parity in SSL
 2023-02-14 09:31:07 +01:00
Ronald Cron
70341c17b7
Merge pull request #6773 from yanrayw/6675-change-early_secrets-to-local 
TLS 1.3: Key Generation: Change tls13_early_secrets to local variable
 2023-02-14 09:03:32 +01:00
Pengyu Lv
e19b51bc53 Improve readability 
Signed-off-by: Pengyu Lv <pengyu.lv@arm.com>
 2023-02-14 10:29:53 +08:00
Paul Elliott
1748de160a Fix IAR Warnings 
IAR was warning that conditional execution could bypass initialisation of
variables, although those same variables were not used uninitialised.

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
 2023-02-13 15:35:35 +00:00
Gabor Mezei
a264831cff
Update documentation and add comments 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2023-02-13 16:29:05 +01:00
Andrzej Kurek
3e8f65a7e2 Add a changelog entry for URI SAN parsing 
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
 2023-02-13 10:21:20 -05:00
Andrzej Kurek
50836c4dfb Fix a comment in x509_crt.h 
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
 2023-02-13 10:21:14 -05:00
Andrzej Kurek
4077372b98 Fix SHA requirement for SAN URI tests 
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
 2023-02-13 10:18:17 -05:00
Andrzej Kurek
7a05fab716 Added the uniformResourceIdentifier subtype for the subjectAltName. 
Co-authored-by: Hannes Tschofenig <hannes.tschofenig@arm.com>
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
 2023-02-13 10:03:07 -05:00