bn_mp_pack_count.c 383 B

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  1. #include "tommath_private.h"
  2. #ifdef BN_MP_PACK_COUNT_C
  3. /* LibTomMath, multiple-precision integer library -- Tom St Denis */
  4. /* SPDX-License-Identifier: Unlicense */
  5. size_t mp_pack_count(const mp_int *a, size_t nails, size_t size)
  6. {
  7. size_t bits = (size_t)mp_count_bits(a);
  8. return ((bits / ((size * 8u) - nails)) + (((bits % ((size * 8u) - nails)) != 0u) ? 1u : 0u));
  9. }
  10. #endif