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author | Kevin B Kenny <kennykb@acm.org> | 2005-01-19 22:41:26 (GMT) |
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committer | Kevin B Kenny <kennykb@acm.org> | 2005-01-19 22:41:26 (GMT) |
commit | b9cf65a08e6a59e434685e894e3189c201ac6791 (patch) | |
tree | 1f0868ef44c9f17d83d10dc94343df7b8cfe1842 /libtommath/bn_mp_unsigned_bin_size.c | |
parent | c6a259aeeca4814a97cf6694814c63e74e4e18fa (diff) | |
download | tcl-b9cf65a08e6a59e434685e894e3189c201ac6791.zip tcl-b9cf65a08e6a59e434685e894e3189c201ac6791.tar.gz tcl-b9cf65a08e6a59e434685e894e3189c201ac6791.tar.bz2 |
Import of libtommath 0.33
Diffstat (limited to 'libtommath/bn_mp_unsigned_bin_size.c')
-rw-r--r-- | libtommath/bn_mp_unsigned_bin_size.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/libtommath/bn_mp_unsigned_bin_size.c b/libtommath/bn_mp_unsigned_bin_size.c new file mode 100644 index 0000000..80da415 --- /dev/null +++ b/libtommath/bn_mp_unsigned_bin_size.c @@ -0,0 +1,25 @@ +#include <tommath.h> +#ifdef BN_MP_UNSIGNED_BIN_SIZE_C +/* LibTomMath, multiple-precision integer library -- Tom St Denis + * + * LibTomMath is a library that provides multiple-precision + * integer arithmetic as well as number theoretic functionality. + * + * The library was designed directly after the MPI library by + * Michael Fromberger but has been written from scratch with + * additional optimizations in place. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@iahu.ca, http://math.libtomcrypt.org + */ + +/* get the size for an unsigned equivalent */ +int +mp_unsigned_bin_size (mp_int * a) +{ + int size = mp_count_bits (a); + return (size / 8 + ((size & 7) != 0 ? 1 : 0)); +} +#endif |