bn_mp_unsigned_bin_size.c
Go to the documentation of this file.00001 #include <tommath.h> 00002 #ifdef BN_MP_UNSIGNED_BIN_SIZE_C 00003 /* LibTomMath, multiple-precision integer library -- Tom St Denis 00004 * 00005 * LibTomMath is a library that provides multiple-precision 00006 * integer arithmetic as well as number theoretic functionality. 00007 * 00008 * The library was designed directly after the MPI library by 00009 * Michael Fromberger but has been written from scratch with 00010 * additional optimizations in place. 00011 * 00012 * The library is free for all purposes without any express 00013 * guarantee it works. 00014 * 00015 * Tom St Denis, tomstdenis@gmail.com, http://math.libtomcrypt.com 00016 */ 00017 00018 /* get the size for an unsigned equivalent */ 00019 int mp_unsigned_bin_size (mp_int * a) 00020 { 00021 int size = mp_count_bits (a); 00022 return (size / 8 + ((size & 7) != 0 ? 1 : 0)); 00023 } 00024 #endif 00025 00026 /* $Source: /cvsroot/tcl/libtommath/bn_mp_unsigned_bin_size.c,v $ */ 00027 /* $Revision: 1.1.1.4 $ */ 00028 /* $Date: 2006/12/01 00:08:11 $ */
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