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| author | Moritz Schulte <mo@g10code.com> | 2003-04-27 19:28:28 +0000 |
|---|---|---|
| committer | Moritz Schulte <mo@g10code.com> | 2003-04-27 19:28:28 +0000 |
| commit | f206bde542e50fab3e60482dfb44e878ab1c2aa6 (patch) | |
| tree | 277fba1dbcc35149ed3d808b0d4dd8395fafa573 /mpi/mpi-add.c | |
| parent | 53189fb2a0594de16bd33a095677d703981ae1f5 (diff) | |
| download | libgcrypt-f206bde542e50fab3e60482dfb44e878ab1c2aa6.tar.gz | |
2003-04-27 Moritz Schulte <moritz@g10code.com>
* mpiutil.c (_gcry_mpi_resize): Allocate secure memory, in case
bit zero of `flags' is set.
* mpi-add.c (gcry_mpi_sub): Simplify function; always use a
temporary variable now.
Diffstat (limited to 'mpi/mpi-add.c')
| -rw-r--r-- | mpi/mpi-add.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/mpi/mpi-add.c b/mpi/mpi-add.c index 56f5de0c..9e6b6dd0 100644 --- a/mpi/mpi-add.c +++ b/mpi/mpi-add.c @@ -1,5 +1,5 @@ /* mpi-add.c - MPI functions - * Copyright (C) 1994, 1996, 1998, 2001, 2002 Free Software Foundation, Inc. + * Copyright (C) 1994, 1996, 1998, 2001, 2002, 2003 Free Software Foundation, Inc. * * This file is part of Libgcrypt. * @@ -213,18 +213,10 @@ gcry_mpi_sub_ui(MPI w, MPI u, unsigned long v ) void gcry_mpi_sub(MPI w, MPI u, MPI v) { - if( w == v ) { - MPI vv = mpi_copy(v); - vv->sign = !vv->sign; - gcry_mpi_add( w, u, vv ); - mpi_free(vv); - } - else { - /* fixme: this is not thread-save (we temp. modify v) */ - v->sign = !v->sign; - gcry_mpi_add( w, u, v ); - v->sign = !v->sign; - } + MPI vv = mpi_copy (v); + vv->sign = ! vv->sign; + gcry_mpi_add (w, u, vv); + mpi_free (vv); } |