diff options
Diffstat (limited to 'mpi/mpih-mul.c')
| -rw-r--r-- | mpi/mpih-mul.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/mpi/mpih-mul.c b/mpi/mpih-mul.c index b457a0b5..7707c0e3 100644 --- a/mpi/mpih-mul.c +++ b/mpi/mpih-mul.c @@ -1,6 +1,5 @@ /* mpihelp-mul.c - MPI helper functions - * Copyright (C) 1998 Free Software Foundation, Inc. - * Copyright (C) 1994, 1996 Free Software Foundation, Inc. + * Copyright (C) 1994, 1996, 1998, 1999 Free Software Foundation, Inc. * * This file is part of GnuPG. * @@ -346,14 +345,15 @@ mpih_sqr_n( mpi_ptr_t prodp, mpi_ptr_t up, mpi_size_t size, mpi_ptr_t tspace) void mpihelp_mul_n( mpi_ptr_t prodp, mpi_ptr_t up, mpi_ptr_t vp, mpi_size_t size) { - /* FIXME: mpi_alloc_limb_space, secure arg is wrong! */ + int secure; if( up == vp ) { if( size < KARATSUBA_THRESHOLD ) mpih_sqr_n_basecase( prodp, up, size ); else { mpi_ptr_t tspace; - tspace = mpi_alloc_limb_space( 2 * size, 0 ); + secure = m_is_secure( up ); + tspace = mpi_alloc_limb_space( 2 * size, secure ); mpih_sqr_n( prodp, up, size, tspace ); mpi_free_limb_space( tspace ); } @@ -363,7 +363,8 @@ mpihelp_mul_n( mpi_ptr_t prodp, mpi_ptr_t up, mpi_ptr_t vp, mpi_size_t size) mul_n_basecase( prodp, up, vp, size ); else { mpi_ptr_t tspace; - tspace = mpi_alloc_limb_space( 2 * size, 0 ); + secure = m_is_secure( up ) || m_is_secure( vp ); + tspace = mpi_alloc_limb_space( 2 * size, secure ); mul_n (prodp, up, vp, size, tspace); mpi_free_limb_space( tspace ); } @@ -436,16 +437,16 @@ mpihelp_mul( mpi_ptr_t prodp, mpi_ptr_t up, mpi_size_t usize, return cy; } - /* FIXME: mpi_alloc_limb_space, secure arg is wrong! */ - tspace = mpi_alloc_limb_space( 2 * vsize, 0 ); + tspace = mpi_alloc_limb_space( 2 * vsize, + m_is_secure( up ) || m_is_secure( vp ) ); MPN_MUL_N_RECURSE( prodp, up, vp, vsize, tspace ); prodp += vsize; up += vsize; usize -= vsize; if( usize >= vsize ) { - /* FIXME: mpi_alloc_limb_space, secure arg is wrong! */ - mpi_ptr_t tp = mpi_alloc_limb_space( 2 * vsize, 0 ); + mpi_ptr_t tp = mpi_alloc_limb_space( 2 * vsize, m_is_secure( up ) + || m_is_secure( vp ) ); do { MPN_MUL_N_RECURSE( tp, up, vp, vsize, tspace ); cy = mpihelp_add_n( prodp, prodp, tp, vsize ); |