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Remove unused code from MPI library
MPI library is used by RSA verification implementation. Few files contains functions which are never called. James Morris has asked to remove all of them. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com> Requested-by: James Morris <james.l.morris@oracle.com> Signed-off-by: James Morris <james.l.morris@oracle.com>
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James Morris
parent
9e235dcaf4
commit
7cf4206a99
@@ -106,13 +106,6 @@ int mpi_resize(MPI a, unsigned nlimbs)
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return 0;
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}
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void mpi_clear(MPI a)
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{
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a->nlimbs = 0;
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a->nbits = 0;
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a->flags = 0;
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}
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void mpi_free(MPI a)
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{
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if (!a)
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@@ -128,84 +121,3 @@ void mpi_free(MPI a)
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kfree(a);
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}
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EXPORT_SYMBOL_GPL(mpi_free);
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/****************
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* Note: This copy function should not interpret the MPI
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* but copy it transparently.
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*/
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int mpi_copy(MPI *copied, const MPI a)
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{
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size_t i;
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MPI b;
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*copied = NULL;
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if (a) {
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b = mpi_alloc(a->nlimbs);
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if (!b)
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return -ENOMEM;
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b->nlimbs = a->nlimbs;
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b->sign = a->sign;
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b->flags = a->flags;
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b->nbits = a->nbits;
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for (i = 0; i < b->nlimbs; i++)
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b->d[i] = a->d[i];
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*copied = b;
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}
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return 0;
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}
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int mpi_set(MPI w, const MPI u)
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{
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mpi_ptr_t wp, up;
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mpi_size_t usize = u->nlimbs;
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int usign = u->sign;
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if (RESIZE_IF_NEEDED(w, (size_t) usize) < 0)
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return -ENOMEM;
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wp = w->d;
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up = u->d;
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MPN_COPY(wp, up, usize);
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w->nlimbs = usize;
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w->nbits = u->nbits;
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w->flags = u->flags;
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w->sign = usign;
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return 0;
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}
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int mpi_set_ui(MPI w, unsigned long u)
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{
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if (RESIZE_IF_NEEDED(w, 1) < 0)
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return -ENOMEM;
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w->d[0] = u;
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w->nlimbs = u ? 1 : 0;
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w->sign = 0;
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w->nbits = 0;
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w->flags = 0;
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return 0;
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}
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MPI mpi_alloc_set_ui(unsigned long u)
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{
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MPI w = mpi_alloc(1);
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if (!w)
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return w;
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w->d[0] = u;
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w->nlimbs = u ? 1 : 0;
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w->sign = 0;
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return w;
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}
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void mpi_swap(MPI a, MPI b)
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{
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struct gcry_mpi tmp;
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tmp = *a;
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*a = *b;
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*b = tmp;
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}
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