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See ChangeLog: Tue Jun 1 16:01:46 CEST 1999 Werner Koch

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This commit is contained in:
Werner Koch 1999-06-01 14:08:57 +00:00
parent c34c676958
commit 3dddf602dd
19 changed files with 272 additions and 71 deletions
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62
mpi/mpiutil.c
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@ -103,6 +103,12 @@ mpi_alloc_secure( unsigned nlimbs )
}
#if 0
static void *unused_limbs_5;
static void *unused_limbs_32;
static void *unused_limbs_64;
#endif
mpi_ptr_t
#ifdef M_DEBUG
mpi_debug_alloc_limb_space( unsigned nlimbs, int secure, const char *info )
@ -111,14 +117,37 @@ mpi_alloc_limb_space( unsigned nlimbs, int secure )
#endif
{
size_t len = nlimbs * sizeof(mpi_limb_t);
mpi_ptr_t p;
if( DBG_MEMORY )
log_debug("mpi_alloc_limb_space(%u)\n", (unsigned)len*8 );
#ifdef M_DEBUG
return secure? m_debug_alloc_secure(len, info):m_debug_alloc( len, info );
#else
return secure? m_alloc_secure( len ):m_alloc( len );
#if 0
if( !secure ) {
if( nlimbs == 5 && unused_limbs_5 ) { /* DSA 160 bits */
p = unused_limbs_5;
unused_limbs_5 = *p;
return p;
}
else if( nlimbs == 32 && unused_limbs_32 ) { /* DSA 1024 bits */
p = unused_limbs_32;
unused_limbs_32 = *p;
return p;
}
else if( nlimbs == 64 && unused_limbs_64 ) { /* DSA 2*1024 bits */
p = unused_limbs_64;
unused_limbs_64 = *p;
return p;
}
}
#endif
#ifdef M_DEBUG
p = secure? m_debug_alloc_secure(len, info):m_debug_alloc( len, info );
#else
p = secure? m_alloc_secure( len ):m_alloc( len );
#endif
return p;
}
void
@ -132,6 +161,31 @@ mpi_free_limb_space( mpi_ptr_t a )
return;
if( DBG_MEMORY )
log_debug("mpi_free_limb_space of size %lu\n", (ulong)m_size(a)*8 );
#if 0
if( !m_is_secure(a) ) {
size_t nlimbs = m_size(a) / 4 ;
void *p = a;
if( nlimbs == 5 ) { /* DSA 160 bits */
*a = unused_limbs_5;
unused_limbs_5 = a;
return;
}
else if( nlimbs == 32 ) { /* DSA 1024 bits */
*a = unused_limbs_32;
unused_limbs_32 = a;
return;
}
else if( nlimbs == 64 ) { /* DSA 2*1024 bits */
*a = unused_limbs_64;
unused_limbs_64 = a;
return;
}
}
#endif
m_free(a);
}