ecp_ppc.c 1.2 KB

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  1. /*
  2. * Copyright 2009-2021 The OpenSSL Project Authors. All Rights Reserved.
  3. *
  4. * Licensed under the Apache License 2.0 (the "License"). You may not use
  5. * this file except in compliance with the License. You can obtain a copy
  6. * in the file LICENSE in the source distribution or at
  7. * https://www.openssl.org/source/license.html
  8. */
  9. #include "internal/cryptlib.h"
  10. #include "crypto/ppc_arch.h"
  11. #include "ec_local.h"
  12. void ecp_nistz256_mul_mont(unsigned long res[4], const unsigned long a[4],
  13. const unsigned long b[4]);
  14. void ecp_nistz256_to_mont(unsigned long res[4], const unsigned long in[4]);
  15. void ecp_nistz256_to_mont(unsigned long res[4], const unsigned long in[4])
  16. {
  17. static const unsigned long RR[] = { 0x0000000000000003U,
  18. 0xfffffffbffffffffU,
  19. 0xfffffffffffffffeU,
  20. 0x00000004fffffffdU };
  21. ecp_nistz256_mul_mont(res, in, RR);
  22. }
  23. void ecp_nistz256_from_mont(unsigned long res[4], const unsigned long in[4]);
  24. void ecp_nistz256_from_mont(unsigned long res[4], const unsigned long in[4])
  25. {
  26. static const unsigned long one[] = { 1, 0, 0, 0 };
  27. ecp_nistz256_mul_mont(res, in, one);
  28. }