diff options
Diffstat (limited to 'libtommath/bn_mp_read_unsigned_bin.c')
-rw-r--r-- | libtommath/bn_mp_read_unsigned_bin.c | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/libtommath/bn_mp_read_unsigned_bin.c b/libtommath/bn_mp_read_unsigned_bin.c deleted file mode 100644 index 3dd00f6..0000000 --- a/libtommath/bn_mp_read_unsigned_bin.c +++ /dev/null @@ -1,52 +0,0 @@ -#include "tommath_private.h" -#ifdef BN_MP_READ_UNSIGNED_BIN_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. - * - * SPDX-License-Identifier: Unlicense - */ - -/* reads a unsigned char array, assumes the msb is stored first [big endian] */ -int mp_read_unsigned_bin(mp_int *a, const unsigned char *b, int c) -{ - int res; - - /* make sure there are at least two digits */ - if (a->alloc < 2) { - if ((res = mp_grow(a, 2)) != MP_OKAY) { - return res; - } - } - - /* zero the int */ - mp_zero(a); - - /* read the bytes in */ - while (c-- > 0) { - if ((res = mp_mul_2d(a, 8, a)) != MP_OKAY) { - return res; - } - -#ifndef MP_8BIT - a->dp[0] |= *b++; - a->used += 1; -#else - a->dp[0] = (*b & MP_MASK); - a->dp[1] |= ((*b++ >> 7) & 1u); - a->used += 2; -#endif - } - mp_clamp(a); - return MP_OKAY; -} -#endif - -/* ref: HEAD -> master, tag: v1.1.0 */ -/* git commit: 08549ad6bc8b0cede0b357a9c341c5c6473a9c55 */ -/* commit time: 2019-01-28 20:32:32 +0100 */ |