17 lines
466 B
C
17 lines
466 B
C
#include "tommath_private.h"
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#ifdef BN_MP_TO_SIGNED_BIN_C
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/* LibTomMath, multiple-precision integer library -- Tom St Denis */
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/* SPDX-License-Identifier: Unlicense */
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/* store in signed [big endian] format */
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mp_err mp_to_signed_bin(const mp_int *a, unsigned char *b)
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{
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mp_err err;
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if ((err = mp_to_unsigned_bin(a, b + 1)) != MP_OKAY) {
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return err;
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}
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b[0] = (a->sign == MP_ZPOS) ? (unsigned char)0 : (unsigned char)1;
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return MP_OKAY;
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}
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#endif
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