annotate libtommath/bn_mp_cmp_d.c @ 1853:2be3115a8762 default tip main master

debugging test runner authorized_keys perms
author Matt Johnston <matt@ucc.asn.au>
date Tue, 19 Oct 2021 13:45:59 +0800
parents 1051e4eea25a
children
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f52919ffd3b1 update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
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parents: 1470
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1 #include "tommath_private.h"
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2 #ifdef BN_MP_CMP_D_C
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3 /* LibTomMath, multiple-precision integer library -- Tom St Denis */
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4 /* SPDX-License-Identifier: Unlicense */
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6 /* compare a digit */
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7 mp_ord mp_cmp_d(const mp_int *a, mp_digit b)
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8 {
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9 /* compare based on sign */
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parents: 1470
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10 if (a->sign == MP_NEG) {
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parents: 1470
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11 return MP_LT;
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12 }
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13
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parents: 1470
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14 /* compare based on magnitude */
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15 if (a->used > 1) {
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16 return MP_GT;
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parents: 1470
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17 }
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18
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parents: 1470
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19 /* compare the only digit of a to b */
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20 if (a->dp[0] > b) {
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parents: 1470
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21 return MP_GT;
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22 } else if (a->dp[0] < b) {
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parents: 1470
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23 return MP_LT;
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parents: 1470
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24 } else {
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25 return MP_EQ;
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26 }
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27 }
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28 #endif