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123 Commits

Author SHA1 Message Date
Valerio Setti
5f1c8a720f pkwrite: fix buffer overrun 
This commit fixes potential buffer overrun in:
- pk_write_rsa_der
- pk_write_ec_pubkey

In both functions, when dealing with opaque keys, there was no
check that the provided buffer was large enough to contain the
key being exported. This commit fixes this problem and it also
adds some testing in test_suite_pkwrite to trigger these checks.

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-10-14 10:37:00 +02:00
Gilles Peskine
84b9f1b039 mbedtls_ecp_write_key_ext(): migrate internally 
Stop using mbedtls_ecp_write_key() except to test it.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2024-02-28 13:19:42 +01:00
Valerio Setti
135ebde273 rsa: rename parse/write functions in order to follow the standard format 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-02-01 17:00:29 +01:00
Valerio Setti
b328c44932 pk/rsa: move RSA parse/write private/public key functions to rsa module 
These functions are meant to be used internally, so their prototype
declaration is kept into rsa_internal.h.

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-23 15:18:57 +01:00
Valerio Setti
429cd50ac8 pkwrite: split pk_write_rsa_der() with a dedicated function for non-opaque RSA key 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-23 09:10:22 +01:00
Valerio Setti
7f062a58fb pkwrite: add newlines when calling mbedtls_pem_write_buffer() 
New defines, which are shared with the pkparse module, lack the
new line so we manually add it when invoking
mbedtls_pem_write_buffer().

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-12-19 07:48:42 +01:00
Valerio Setti
8aec84f3a7 pkwrite: minor code reshape 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-12-04 16:04:21 +01:00
Valerio Setti
ad6d016b8f pkwrite: fix return value in pk_get_type_ext() 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-11-30 08:10:36 +01:00
Valerio Setti
bcc004b549 pkwrite: some reshaping for Montgomery keys in mbedtls_pk_write_pubkey_der() 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-11-29 17:16:55 +01:00
Valerio Setti
a4f70fe3fe pkwrite: simplify management of opaque keys 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-11-29 15:05:47 +01:00
Valerio Setti
f9362b7324 pk_internal: small renaming for mbedtls_pk_get_group_id() 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-11-29 08:42:27 +01:00
Valerio Setti
bcd305913f pk: move functions to verify RFC8410 group ID to pk_internal 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-11-28 16:27:55 +01:00
Valerio Setti
d5604bacc4 pkwrite: add internal defines for proper key buffer sizes 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-11-28 14:10:43 +01:00
Valerio Setti
605f03cb76 pkwrite: reorganize code 
This commits just moves code around. The goal is to group together
functions by guards and functionality:
- RSA, EC, Opaque
- internal VS public

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-11-28 12:46:39 +01:00
Valerio Setti
854c737db1 pk: use common header/footer macros for pkwrite and pkparse 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-11-28 08:37:57 +01:00
Dave Rodgman
16799db69a update headers 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2023-11-02 19:47:20 +00:00
Bence Szépkúti
195411bb17 Merge pull request #8062 from yanrayw/save_stack_usage_pkwrite 
pkwrite: use heap to save stack usage for writing keys in PEM string
 2023-10-13 14:27:13 +00:00
Valerio Setti
db6b4db7a0 Renaming all MBEDTLS_HAVE for curves to MBEDTLS_ECP_HAVE 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-09-25 17:39:41 +02:00
Valerio Setti
6d809cc969 lib/test: use new internal helpers in library's code and tests 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-09-25 17:39:41 +02:00
Dave Rodgman
5a3add2c67 Merge pull request #8234 from kouzhudong/development 
Fix MSVC error C4703 about possibly uninitialized variable in pkwrite.c
 2023-09-25 10:51:46 +01:00
Tom Cosgrove
8d276fbc23 Remove unused variable and unreachable return from mbedtls_pk_write_key_der() 
Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
 2023-09-21 17:19:36 +01:00
correy
a15b4851d4 Fix MSVC error C4703 about possibly uninitialized variable in pkwrite.c 
Signed-off-by: correy <112426112@qq.com>
 2023-09-21 20:18:52 +08:00
Ronald Cron
b9c7953442 pkwrite: Fix defined but not used warning 
Fix defined but not used warning when
MBEDTLS_USE_PSA_CRYPTO, MBEDTLS_PK_HAVE_RFC8410_CURVES
and MBEDTLS_PK_HAVE_ECC_KEYS are defined but not
MBEDTLS_PEM_WRITE_C.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2023-09-07 14:20:49 +02:00
Yanray Wang
044eb16379 pkwrite: zeroize buf containing info of private key 
Signed-off-by: Yanray Wang <yanray.wang@arm.com>
 2023-08-28 10:35:41 +08:00
Yanray Wang
08d5f46c83 pkwrite.c: call calloc and free properly 
Signed-off-by: Yanray Wang <yanray.wang@arm.com>
 2023-08-21 15:15:24 +08:00
Yanray Wang
7226df0757 pkwrite.c: add a cleanup label to save code size 
Signed-off-by: Yanray Wang <yanray.wang@arm.com>
 2023-08-17 15:05:16 +08:00
Yanray Wang
c84086e55c pkwrite.c: save stack usage for pk_write_key_pem 
mbedtls_pk_write_key_pem would allocate 5679 bytes in writing a DER
encoded RSA private key. To save stack usage significantly, we use
heap memory instead.

Signed-off-by: Yanray Wang <yanray.wang@arm.com>
 2023-08-11 16:30:37 +08:00
Yanray Wang
45ad306fbf pkwrite.c: save stack usage for pk_write_pubkey_pem 
mbedtls_pk_write_pubkey_pem would allocate 2086 bytes in writing a DER
encoded RSA public key. To save stack usage significantly, we use
heap memory instead.

Signed-off-by: Yanray Wang <yanray.wang@arm.com>
 2023-08-11 16:30:29 +08:00
Valerio Setti
e1d7c9dabd pkwrite: fix internal buffer size in pk_write_ec_pubkey() 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-08-10 07:40:18 +02:00
Manuel Pégourié-Gonnard
2be8c63af7 Create psa_util_internal.h 
Most functions in psa_util.h are going to end up there (except those
that can be static in one file), but I wanted to have separate commits
for file creation and moving code around, so for now the new file's
pretty empty but that will change in the next few commits.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2023-07-06 12:42:33 +02:00
Valerio Setti
e1651360c0 pkwrite: fix wrong guard position for pk_get_opaque_ec_family() 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-06-19 19:24:05 +02:00
Valerio Setti
81d75127ba library: replace occurencies of ECP_LIGHT with PK_HAVE_ECC_KEYS 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-06-19 19:24:05 +02:00
valerio
f9139e55ce pk: minor code fixes 
- removing duplicated code
- uninitialized variable usage

Signed-off-by: valerio <valerio.setti@nordicsemi.no>
 2023-06-01 11:06:41 +02:00
valerio
c6e6fb320f pk: fix guard position 
Signed-off-by: valerio <valerio.setti@nordicsemi.no>
 2023-06-01 11:06:41 +02:00
valerio
e279e50a76 pk: optimized/reshape code for writing private key PEM 
Signed-off-by: valerio <valerio.setti@nordicsemi.no>
 2023-06-01 11:06:41 +02:00
valerio
c0bac57ac9 pk: optimized/reshape code for writing private key DER 
Signed-off-by: valerio <valerio.setti@nordicsemi.no>
 2023-06-01 11:06:41 +02:00
valerio
52b675ffc3 pk: extend pk_write_ec_private to support opaque keys 
Signed-off-by: valerio <valerio.setti@nordicsemi.no>
 2023-06-01 11:06:41 +02:00
valerio
ba1fd32eda pk: optimize/reshape public key writing 
Signed-off-by: valerio <valerio.setti@nordicsemi.no>
 2023-06-01 11:06:41 +02:00
valerio
9ea26173d6 pk: uniformmize public key writing functions 
Signed-off-by: valerio <valerio.setti@nordicsemi.no>
 2023-06-01 11:06:40 +02:00
valerio
b727314133 pk: add internal helpers for opaque keys 
Signed-off-by: valerio <valerio.setti@nordicsemi.no>
 2023-06-01 11:06:40 +02:00
Valerio Setti
449803abff pkwrite: remove unnecessary code duplication 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-05-25 09:37:05 +02:00
Valerio Setti
1194ffa82f pk: minor code fixes/enhancements 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-05-24 14:00:26 +02:00
Valerio Setti
00e8dd15d2 pk: manage parse and write for the new format 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-05-23 15:12:07 +02:00
Valerio Setti
e0e6311b64 pk: change location of Montgomery helpers 
This is to have them available only where they are really required.

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-05-23 15:12:07 +02:00
Valerio Setti
4064dbbdb2 pk: update pkparse and pkwrite to use the new public key storing solution 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-05-17 15:33:07 +02:00
Valerio Setti
77a75685ed pk: align library and tests code to the new internal functions 
Note = programs are not aligned to this change because:
- the original mbedtls_pk_ec is not ufficially deprecated
- that function is used in tests when ECP_C is defined, so
  the legacy version of that function is available in that
  case

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-05-15 11:18:46 +02:00
Valerio Setti
fc90decb74 pkwrite: removing unused/duplicated variables 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-05-05 12:30:40 +02:00
Valerio Setti
4f387ef277 pk: use better naming for the new key ID field 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-05-05 10:59:32 +02:00
Valerio Setti
048cd44f77 pk: fix library code for using the new opaque key solution 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-05-05 10:59:32 +02:00
Jethro Beekman
cb706ea308 Silence bad "maybe unitialized" warning for ec_grp_id 
Signed-off-by: Jethro Beekman <jethro@fortanix.com>
 2023-05-04 13:01:47 +02:00