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Make more use of helper function for init/free of MPI array

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Signed-off-by: Hanno Becker <hanno.becker@arm.com>
This commit is contained in:
Hanno Becker 2022-01-10 12:25:05 +00:00
parent 466df6e713
commit bae3023576
1 changed files with 4 additions and 7 deletions
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11
library/ecp.c
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@ -342,13 +342,13 @@ int mbedtls_ecp_check_budget( const mbedtls_ecp_group *grp,
#endif /* MBEDTLS_ECP_RESTARTABLE */ #endif /* MBEDTLS_ECP_RESTARTABLE */
static void mpi_init_many( mbedtls_mpi *arr, unsigned size ) static void mpi_init_many( mbedtls_mpi *arr, size_t size )
{ {
while( size-- ) while( size-- )
mbedtls_mpi_init( arr++ ); mbedtls_mpi_init( arr++ );
} }
static void mpi_free_many( mbedtls_mpi *arr, unsigned size ) static void mpi_free_many( mbedtls_mpi *arr, size_t size )
{ {
while( size-- ) while( size-- )
mbedtls_mpi_free( arr++ ); mbedtls_mpi_free( arr++ );
@ -1340,11 +1340,9 @@ static int ecp_normalize_jac_many( const mbedtls_ecp_group *grp,
if( ( c = mbedtls_calloc( T_size, sizeof( mbedtls_mpi ) ) ) == NULL ) if( ( c = mbedtls_calloc( T_size, sizeof( mbedtls_mpi ) ) ) == NULL )
return( MBEDTLS_ERR_ECP_ALLOC_FAILED ); return( MBEDTLS_ERR_ECP_ALLOC_FAILED );
for( i = 0; i < T_size; i++ )
mbedtls_mpi_init( &c[i] );
mbedtls_mpi_init( &t ); mbedtls_mpi_init( &t );
mpi_init_many( c, T_size );
/* /*
* c[i] = Z_0 * ... * Z_i, i = 0,..,n := T_size-1 * c[i] = Z_0 * ... * Z_i, i = 0,..,n := T_size-1
*/ */
@ -1408,8 +1406,7 @@ static int ecp_normalize_jac_many( const mbedtls_ecp_group *grp,
cleanup: cleanup:
mbedtls_mpi_free( &t ); mbedtls_mpi_free( &t );
for( i = 0; i < T_size; i++ ) mpi_free_many( c, T_size );
mbedtls_mpi_free( &c[i] );
mbedtls_free( c ); mbedtls_free( c );
return( ret ); return( ret );