Commit Graph

7236 Commits

Author SHA1 Message Date
Gabor Mezei
6a426c9f9f
Bind functions' availability for config options
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-20 11:17:43 +02:00
Gabor Mezei
765862c4f3
Move mbedtls_cf_memcmp to a new public header
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-19 12:22:25 +02:00
Gabor Mezei
291df7bbab
Add macro guard for header file
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-19 11:27:17 +02:00
Gabor Mezei
e212379810
Bind functions' availability for config options
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-18 19:38:02 +02:00
Gabor Mezei
949455892f
Remove unused function
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-18 17:02:29 +02:00
Gabor Mezei
a2d0f90c5a
Make functions static
These functions are only used as an auxiliary function for constant-time functions.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-18 16:56:50 +02:00
Gabor Mezei
a316fc8eb0
Update documentation and comments
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-18 16:39:13 +02:00
Gabor Mezei
63bbba5c13
Rename and reorder function parameters
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-18 16:39:13 +02:00
Gabor Mezei
7013f62ee5
Use condition for not sensitive data
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-18 16:39:13 +02:00
Gabor Mezei
eab90bcc36
Move implementation specific comment
This comment is about how the functions are implemented, not about their
public interface, so it doesn't belong in the header file.
It applies to everything in constant_time.c so moved there.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-18 16:39:13 +02:00
Gabor Mezei
1e64261da5
Make mbedtls_cf_size_mask_lt function static
The mbedtls_cf_size_mask_lt is solely used as an auxiliary function
for mbedtls_cf_size_mask_ge.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-18 16:39:13 +02:00
gabor-mezei-arm
5b3a32d883
Fix missing includes
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-29 10:53:55 +02:00
gabor-mezei-arm
90d96cc741 Add documentation for the functions
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 17:07:51 +02:00
gabor-mezei-arm
b11a56e34c
Unify equality checker functions return value
The equality checker functions always return 0 or 1 value,
thus the type of return value can be the same dispite of the
size of the parameters.

Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:42:19 +02:00
gabor-mezei-arm
9cb55698aa
Propagate usage of mask generation functions
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:42:19 +02:00
gabor-mezei-arm
396438c57b
Unify mask generation functions
Generate all-bits 0 or all bits 1 mask from a value instead of from a bit.

Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:42:19 +02:00
gabor-mezei-arm
87ac5bef97 Unify function parameters
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:42:16 +02:00
gabor-mezei-arm
4602564d7a
Unify memcmp functions
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:33:47 +02:00
gabor-mezei-arm
2dcd7686ce Typo: Unify indentation of function parameters
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:33:44 +02:00
gabor-mezei-arm
fdb71183f8
Move mbedtls_cf_rsaes_pkcs1_v15_unpadding function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:45 +02:00
gabor-mezei-arm
bef600f27e
Move the constant-time part of mbedtls_rsa_rsaes_pkcs1_v15_decrypt to a function
Tne unpadding part of `mbedtls_rsa_rsaes_pkcs1_v15_decrypt` function is
contant-time therefore it moved to a separate function to be prepared
for moving to the contant-time module.

Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:44 +02:00
gabor-mezei-arm
65cefdbfcb
Create mbedtls_cf_size_if function
Add a constant-time function with size_t parameter for choosing
between two integer values, like the ?: ternary operator.

Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:44 +02:00
gabor-mezei-arm
c29a3da599
Move mbedtls_mpi_lt_mpi_ct function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:44 +02:00
gabor-mezei-arm
5c97621215
Move mbedtls_mpi_safe_cond_swap function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:44 +02:00
gabor-mezei-arm
40a4925128
Move mbedtls_mpi_safe_cond_assign function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:44 +02:00
gabor-mezei-arm
9c1203fd67
Delete ssl_invasive.h due to duplicated function declarations
All function declaration provided by ssl_invasive.h is needed only for
testing purposes and all of them are provided by constant_time.h as well.

Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:44 +02:00
gabor-mezei-arm
1349ffde84
Move mbedtls_cf_hmac function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:44 +02:00
gabor-mezei-arm
0e7f71e1a9
Move mbedtls_cf_memcpy_offset function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:44 +02:00
gabor-mezei-arm
dee0fd33f1
Move mbedtls_cf_memcpy_if_eq function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:43 +02:00
gabor-mezei-arm
394aeaaefb Move mbedtls_cf_mem_move_to_left function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:41 +02:00
gabor-mezei-arm
be8d98b0be Move mbedtls_cf_mpi_uint_cond_assign function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:23:57 +02:00
gabor-mezei-arm
d3230d533c
Move mbedtls_cf_cond_select_sign function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:21:10 +02:00
gabor-mezei-arm
b2dbf2c113
Move mbedtls_cf_uint_if function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:21:10 +02:00
gabor-mezei-arm
3f90fd540a
Move mbedtls_cf_mpi_uint_lt function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:21:10 +02:00
gabor-mezei-arm
84dc02c8f5
Remove module dependency
Elinimate macros defined by modules locally in the functions that are
moving to the new constant-time module.

Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:21:10 +02:00
gabor-mezei-arm
5a85442604
Move mbedtls_cf_size_gt function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:21:09 +02:00
gabor-mezei-arm
8d1d5fd204 Move mbedtls_cf_size_bool_eq function to the constant-time module
There were multiple functions called mbedtls_cf_size_bool_eq. They had exactly
the same behavior, so move the one in bignum.c and remove the other.

Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:20:07 +02:00
gabor-mezei-arm
16fc57bcc4
Move mbedtls_cf_size_mask_ge function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:16:14 +02:00
gabor-mezei-arm
c76227d808
Move mbedtls_cf_size_mask_lt function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:16:14 +02:00
gabor-mezei-arm
3733bf805a
Move mbedtls_cf_size_mask function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:16:14 +02:00
gabor-mezei-arm
340948e4a5
Move mbedtls_cf_uint_mask function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:16:14 +02:00
gabor-mezei-arm
db9a38c672
Move contatnt-time memcmp functions to the contant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:16:14 +02:00
gabor-mezei-arm
9fa43ce238
Rename function to have suitable name
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:14:47 +02:00
gabor-mezei-arm
d112534585 Add a new file for constant-time functions
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-08-11 15:35:28 +02:00
Jerry Yu
b9930e7d70 Add dummy tls1.3 handshake dispatch functions
Base on version config, `handshack_{clinet,server}_step`
will call different step function. TLS1.3 features will
be gradully added base on it.

And a new test cases is added to make sure it reports
`feature is not available`.

Change-Id: I4f0e36cb610f5aa59f97910fb8204bfbf2825949
Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
2021-08-10 13:34:32 +08:00
Jerry Yu
3cc4c2a506 Add dummy ssl_tls13_{client,server}.c
Change-Id: Ic1cd1d55b097f5a31c9f48e9d55733d75ab49982
Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
2021-08-10 13:34:32 +08:00
Jerry Yu
60835a88c3 Add config check utils functions
Check configuration parameter in structure setup
function to make sure the config data is available
and valid.

Current implementation checks the version config.
Available version configs are
- tls1_3 only
- tls1_2 only

issues: #4844

Change-Id: Ia762bd3d817440ae130b45f19b80a2868afae924
Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
2021-08-10 13:34:32 +08:00
Gilles Peskine
8bb9b80d18
Merge pull request #4806 from hanno-arm/ssl_session_serialization_version
Store TLS version in SSL session structure
2021-08-02 12:45:55 +02:00
Hanno Becker
fa0d61e559 Fix typo
Signed-off-by: Hanno Becker <hanno.becker@arm.com>
2021-08-02 08:56:14 +01:00
Hanno Becker
dce50974bf Prefix "version" with "library" or "protocol" to avoid ambiguity
Signed-off-by: Hanno Becker <hanno.becker@arm.com>
2021-08-01 05:39:23 +01:00