Mercurial > dropbear
comparison libtomcrypt/src/pk/ecc/ltc_ecc_mulmod_timing.c @ 1471:6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
author | Matt Johnston <matt@ucc.asn.au> |
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date | Fri, 09 Feb 2018 21:44:05 +0800 |
parents | f849a5ca2efc |
children | 1ff2a1034c52 |
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1470:8bba51a55704 | 1471:6dba84798cd5 |
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3 * LibTomCrypt is a library that provides various cryptographic | 3 * LibTomCrypt is a library that provides various cryptographic |
4 * algorithms in a highly modular and flexible manner. | 4 * algorithms in a highly modular and flexible manner. |
5 * | 5 * |
6 * The library is free for all purposes without any express | 6 * The library is free for all purposes without any express |
7 * guarantee it works. | 7 * guarantee it works. |
8 * | |
9 * Tom St Denis, [email protected], http://libtom.org | |
10 */ | 8 */ |
11 | 9 |
12 /* Implements ECC over Z/pZ for curve y^2 = x^3 - 3x + b | 10 /* Implements ECC over Z/pZ for curve y^2 = x^3 - 3x + b |
13 * | 11 * |
14 * All curves taken from NIST recommendation paper of July 1999 | 12 * All curves taken from NIST recommendation paper of July 1999 |
37 int ltc_ecc_mulmod(void *k, ecc_point *G, ecc_point *R, void *modulus, int map) | 35 int ltc_ecc_mulmod(void *k, ecc_point *G, ecc_point *R, void *modulus, int map) |
38 { | 36 { |
39 ecc_point *tG, *M[3]; | 37 ecc_point *tG, *M[3]; |
40 int i, j, err; | 38 int i, j, err; |
41 void *mu, *mp; | 39 void *mu, *mp; |
42 unsigned long buf; | 40 ltc_mp_digit buf; |
43 int bitcnt, mode, digidx; | 41 int bitcnt, mode, digidx; |
44 | 42 |
45 LTC_ARGCHK(k != NULL); | 43 LTC_ARGCHK(k != NULL); |
46 LTC_ARGCHK(G != NULL); | 44 LTC_ARGCHK(G != NULL); |
47 LTC_ARGCHK(R != NULL); | 45 LTC_ARGCHK(R != NULL); |
157 return err; | 155 return err; |
158 } | 156 } |
159 | 157 |
160 #endif | 158 #endif |
161 #endif | 159 #endif |
162 /* $Source$ */ | 160 /* ref: $Format:%D$ */ |
163 /* $Revision$ */ | 161 /* git commit: $Format:%H$ */ |
164 /* $Date$ */ | 162 /* commit time: $Format:%ai$ */ |
165 | 163 |