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build_info: complete list of symbols that auto-enable ECP_LIGHT

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The comment is also updated accordingly.

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
This commit is contained in:
Valerio Setti 2023-06-14 11:30:30 +02:00
parent addeee4531
commit 4922ba132a
2 changed files with 18 additions and 5 deletions
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22
include/mbedtls/build_info.h
View file

@ -129,11 +129,23 @@
#define MBEDTLS_MD_LIGHT
#endif
/* MBEDTLS_ECP_C now consists of MBEDTLS_ECP_LIGHT plus functions for curve
* arithmetic. As a consequence if MBEDTLS_ECP_C is required for some reason,
* then MBEDTLS_ECP_LIGHT should be enabled as well. */
#if defined(MBEDTLS_ECP_C) || defined(MBEDTLS_PK_PARSE_EC_EXTENDED) || \
defined(MBEDTLS_PK_PARSE_EC_COMPRESSED)
/* MBEDTLS_ECP_LIGHT is auto-enabled by the following symbols:
* - MBEDTLS_ECP_C because now it consists of MBEDTLS_ECP_LIGHT plus functions
* for curve arithmetic. As a consequence if MBEDTLS_ECP_C is required for
* some reason, then MBEDTLS_ECP_LIGHT should be enabled as well.
* - MBEDTLS_PK_PARSE_EC_EXTENDED and MBEDTLS_PK_PARSE_EC_COMPRESSED because
* these features are not supported in PSA so the only way to have them is
* to enable the built-in solution.
* - PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_DERIVE because Weierstrass key derivation
* still depends on ECP_LIGHT
* - PK_C + USE_PSA + PSA_WANT_ALG_ECDSA is a temporary dependency which will
* be fixed by #7453
*/
#if defined(MBEDTLS_ECP_C) || \
defined(MBEDTLS_PK_PARSE_EC_EXTENDED) || \
defined(MBEDTLS_PK_PARSE_EC_COMPRESSED) || \
defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR_DERIVE) || \
(defined(MBEDTLS_PK_C) && defined(MBEDTLS_USE_PSA_CRYPTO) && defined(PSA_WANT_ALG_ECDSA))
#define MBEDTLS_ECP_LIGHT
#endif

1
tests/scripts/all.sh
View file

@ -2453,6 +2453,7 @@ config_psa_crypto_no_ecp_at_all () {
# Disable all the features that auto-enable ECP_LIGHT (see build_info.h)
scripts/config.py unset MBEDTLS_PK_PARSE_EC_EXTENDED
scripts/config.py unset MBEDTLS_PK_PARSE_EC_COMPRESSED
scripts/config.py -f include/psa/crypto_config.h unset PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_DERIVE
# Restartable feature is not yet supported by PSA. Once it will in
# the future, the following line could be removed (see issues