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comparison libtommath/bn_mp_is_square.c @ 398:59c7938af2bd

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merge of '1250b8af44b62d8f4fe0f8d9fc7e7a1cc34e7e1c' and '7f8670ac3bb975f40967f3979d09d2199b7e90c8'
author Matt Johnston <matt@ucc.asn.au>
date Sat, 03 Feb 2007 08:20:30 +0000
parents 5ff8218bcee9
children 60fc6476e044
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396:e7c1a77d2921 398:59c7938af2bd
10 * additional optimizations in place. 10 * additional optimizations in place.
11 * 11 *
12 * The library is free for all purposes without any express 12 * The library is free for all purposes without any express
13 * guarantee it works. 13 * guarantee it works.
14 * 14 *
15 * Tom St Denis, [email protected], http://math.libtomcrypt.org 15 * Tom St Denis, [email protected], http://math.libtomcrypt.com
16 */ 16 */
17 17
18 /* Check if remainders are possible squares - fast exclude non-squares */ 18 /* Check if remainders are possible squares - fast exclude non-squares */
19 static const char rem_128[128] = { 19 static const char rem_128[128] = {
20 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 20 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1,
101 *ret = (mp_cmp_mag(&t,arg) == MP_EQ) ? MP_YES : MP_NO; 101 *ret = (mp_cmp_mag(&t,arg) == MP_EQ) ? MP_YES : MP_NO;
102 ERR:mp_clear(&t); 102 ERR:mp_clear(&t);
103 return res; 103 return res;
104 } 104 }
105 #endif 105 #endif
106
107 /* $Source: /cvs/libtom/libtommath/bn_mp_is_square.c,v $ */
108 /* $Revision: 1.3 $ */
109 /* $Date: 2006/03/31 14:18:44 $ */