diff options
Diffstat (limited to 'library/ecp.c')
| -rw-r--r-- | library/ecp.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/library/ecp.c b/library/ecp.c index ecea5910..db36191b 100644 --- a/library/ecp.c +++ b/library/ecp.c @@ -1046,25 +1046,29 @@ cleanup: #define INC_MUL_COUNT #endif -#define MOD_MUL( N ) do { MBEDTLS_MPI_CHK( ecp_modp( &N, grp ) ); INC_MUL_COUNT } \ - while( 0 ) +#define MOD_MUL( N ) \ + do \ + { \ + MBEDTLS_MPI_CHK( ecp_modp( &(N), grp ) ); \ + INC_MUL_COUNT \ + } while( 0 ) /* * Reduce a mbedtls_mpi mod p in-place, to use after mbedtls_mpi_sub_mpi * N->s < 0 is a very fast test, which fails only if N is 0 */ -#define MOD_SUB( N ) \ - while( N.s < 0 && mbedtls_mpi_cmp_int( &N, 0 ) != 0 ) \ - MBEDTLS_MPI_CHK( mbedtls_mpi_add_mpi( &N, &N, &grp->P ) ) +#define MOD_SUB( N ) \ + while( (N).s < 0 && mbedtls_mpi_cmp_int( &(N), 0 ) != 0 ) \ + MBEDTLS_MPI_CHK( mbedtls_mpi_add_mpi( &(N), &(N), &grp->P ) ) /* * Reduce a mbedtls_mpi mod p in-place, to use after mbedtls_mpi_add_mpi and mbedtls_mpi_mul_int. * We known P, N and the result are positive, so sub_abs is correct, and * a bit faster. */ -#define MOD_ADD( N ) \ - while( mbedtls_mpi_cmp_mpi( &N, &grp->P ) >= 0 ) \ - MBEDTLS_MPI_CHK( mbedtls_mpi_sub_abs( &N, &N, &grp->P ) ) +#define MOD_ADD( N ) \ + while( mbedtls_mpi_cmp_mpi( &(N), &grp->P ) >= 0 ) \ + MBEDTLS_MPI_CHK( mbedtls_mpi_sub_abs( &(N), &(N), &grp->P ) ) #if defined(ECP_SHORTWEIERSTRASS) /* |