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Refactor macro-spanning ifs in ecp.c

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Signed-off-by: David Horstmann <david.horstmann@arm.com>
This commit is contained in:
David Horstmann
2022-10-06 19:11:04 +01:00
parent 863b17d0cc
commit b95ee00244
1 changed files with 11 additions and 7 deletions
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18
library/ecp.c
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@ -2395,12 +2395,14 @@ cleanup:
mbedtls_free( T );
}
/* don't free R while in progress in case R == P */
#if defined(MBEDTLS_ECP_RESTARTABLE)
if( ret != MBEDTLS_ERR_ECP_IN_PROGRESS )
#endif
int should_free_R = 0;
/* prevent caller from using invalid value */
if( ret != 0 )
should_free_R = ( ret != 0 );
#if defined(MBEDTLS_ECP_RESTARTABLE)
/* don't free R while in progress in case R == P */
should_free_R = should_free_R && ( ret != MBEDTLS_ERR_ECP_IN_PROGRESS );
#endif
if( should_free_R )
mbedtls_ecp_point_free( R );
ECP_RS_LEAVE( rsm );
@ -2672,10 +2674,12 @@ int mbedtls_ecp_mul_restartable( mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
MBEDTLS_MPI_CHK( mbedtls_internal_ecp_init( grp ) );
#endif /* MBEDTLS_ECP_INTERNAL_ALT */
int restarting = 0;
#if defined(MBEDTLS_ECP_RESTARTABLE)
/* skip argument check when restarting */
if( rs_ctx == NULL || rs_ctx->rsm == NULL )
restarting = ( rs_ctx != NULL && rs_ctx->rsm != NULL );
#endif
/* skip argument check when restarting */
if( !restarting )
{
/* check_privkey is free */
MBEDTLS_ECP_BUDGET( MBEDTLS_ECP_OPS_CHK );