Mercurial > dropbear
view tomsfastmath/src/bin/fp_to_unsigned_bin.c @ 643:a362b62d38b2 dropbear-tfm
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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author | Matt Johnston <matt@ucc.asn.au> |
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date | Wed, 23 Nov 2011 18:10:20 +0700 |
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/* TomsFastMath, a fast ISO C bignum library. * * This project is meant to fill in where LibTomMath * falls short. That is speed ;-) * * This project is public domain and free for all purposes. * * Tom St Denis, [email protected] */ #include <tfm.h> void fp_to_unsigned_bin(fp_int *a, unsigned char *b) { int x; fp_int t; fp_init_copy(&t, a); x = 0; while (fp_iszero (&t) == FP_NO) { b[x++] = (unsigned char) (t.dp[0] & 255); fp_div_2d (&t, 8, &t, NULL); } fp_reverse (b, x); } /* $Source$ */ /* $Revision$ */ /* $Date$ */