Adding upstream version 3.7.9.upstream/3.7.9upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 78 insertions, 0 deletions

diff --git a/lib/nettle/gost/bignum-le.c b/lib/nettle/gost/bignum-le.c
new file mode 100644
index 0000000..9faa282
--- /dev/null
+++ b/lib/nettle/gost/bignum-le.c
@@ -0,0 +1,78 @@
+/* bignum.c
+
+   Bignum operations that are missing from gmp.
+
+   Copyright (C) 2001 Niels Möller
+
+   This file is part of GNU Nettle.
+
+   GNU Nettle is free software: you can redistribute it and/or
+   modify it under the terms of either:
+
+     * the GNU Lesser General Public License as published by the Free
+       Software Foundation; either version 3 of the License, or (at your
+       option) any later version.
+
+   or
+
+     * the GNU General Public License as published by the Free
+       Software Foundation; either version 2 of the License, or (at your
+       option) any later version.
+
+   or both in parallel, as here.
+
+   GNU Nettle is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received copies of the GNU General Public License and
+   the GNU Lesser General Public License along with this program.  If
+   not, see https://www.gnu.org/licenses/.
+*/
+
+#if HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <gnutls_int.h>
+
+#include <string.h>
+
+#include <nettle/bignum.h>
+#include "bignum-le.h"
+
+void
+nettle_mpz_get_str_256_u_le(size_t length, uint8_t *s, const mpz_t x)
+{
+  if (!length)
+    {
+      /* x must be zero */
+      assert(!mpz_sgn(x));
+      return;
+    }
+
+  size_t count;
+
+  assert(nettle_mpz_sizeinbase_256_u(x) <= length);
+  mpz_export(s, &count, -1, 1, 0, 0, x);
+  memset(s + count, 0, length - count);
+}
+
+#define nettle_mpz_from_octets_le(x, length, s) \
+   mpz_import((x), (length), -1, 1, 0, 0, (s))
+
+void
+nettle_mpz_set_str_256_u_le(mpz_t x,
+			    size_t length, const uint8_t *s)
+{
+  nettle_mpz_from_octets_le(x, length, s);
+}
+
+void
+nettle_mpz_init_set_str_256_u_le(mpz_t x,
+				 size_t length, const uint8_t *s)
+{
+  mpz_init(x);
+  nettle_mpz_from_octets_le(x, length, s);
+}