diff options
Diffstat (limited to 'mpi/mpiutil.c')
| -rw-r--r-- | mpi/mpiutil.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mpi/mpiutil.c b/mpi/mpiutil.c index fbbd3b47..71b3f1c3 100644 --- a/mpi/mpiutil.c +++ b/mpi/mpiutil.c @@ -343,7 +343,8 @@ _gcry_mpi_copy (gcry_mpi_t a) if( a && (a->flags & 4) ) { void *p = _gcry_is_secure(a->d)? xmalloc_secure ((a->sign+7)/8) : xmalloc ((a->sign+7)/8); - memcpy( p, a->d, (a->sign+7)/8 ); + if (a->d) + memcpy( p, a->d, (a->sign+7)/8 ); b = mpi_set_opaque( NULL, p, a->sign ); b->flags &= ~(16|32); /* Reset the immutable and constant flags. */ } |