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From ltm-0.35.tar.bz2 SHA1 of 3f193dbae9351e92d02530994fa18236f7fde01c --HG-- branch : libtommath-orig extra : convert_revision : 2b4b13ac88b2a81e5c86ba868c92c6a452630e02
30 lines
841 B
C
30 lines
841 B
C
#include <tommath.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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*
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* LibTomMath is a library that provides multiple-precision
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* integer arithmetic as well as number theoretic functionality.
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*
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* The library was designed directly after the MPI library by
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* Michael Fromberger but has been written from scratch with
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* additional optimizations in place.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*
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* Tom St Denis, tomstdenis@iahu.ca, http://math.libtomcrypt.org
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*/
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/* store in signed [big endian] format */
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int mp_to_signed_bin (mp_int * a, unsigned char *b)
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{
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int res;
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if ((res = mp_to_unsigned_bin (a, b + 1)) != MP_OKAY) {
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return res;
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}
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b[0] = (unsigned char) ((a->sign == MP_ZPOS) ? 0 : 1);
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return MP_OKAY;
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}
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#endif
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