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* The library is free for all purposes without any express
* guarantee it works.
*
* Tom St Denis, tstdenis82@gmail.com, http://libtom.org
*/
/* read signed bin, big endian, first byte is 0==positive or 1==negative */
int mp_read_signed_bin (mp_int * a, const unsigned char *b, int c)
int mp_read_signed_bin(mp_int *a, const unsigned char *b, int c)
{
int res;
int res;
/* read magnitude */
if ((res = mp_read_unsigned_bin (a, b + 1, c - 1)) != MP_OKAY) {
return res;
}
/* read magnitude */
if ((res = mp_read_unsigned_bin(a, b + 1, c - 1)) != MP_OKAY) {
return res;
}
/* first byte is 0 for positive, non-zero for negative */
if (b[0] == 0) {
a->sign = MP_ZPOS;
} else {
a->sign = MP_NEG;
}
/* first byte is 0 for positive, non-zero for negative */
if (b[0] == 0) {
a->sign = MP_ZPOS;
} else {
a->sign = MP_NEG;
}
return MP_OKAY;
return MP_OKAY;
}
#endif
/* ref: $Format:%D$ */
/* git commit: $Format:%H$ */
/* commit time: $Format:%ai$ */
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