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comparison libtomcrypt/src/pk/ecc/ecc_sizes.c @ 382:0cbe8f6dbf9e

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propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f) to branch 'au.asn.ucc.matt.dropbear' (head 02c413252c90e9de8e03d91e9939dde3029f5c0a)
author Matt Johnston <matt@ucc.asn.au>
date Thu, 11 Jan 2007 02:41:05 +0000
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children f849a5ca2efc
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379:b66a00272a90 382:0cbe8f6dbf9e
1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
2 *
3 * LibTomCrypt is a library that provides various cryptographic
4 * algorithms in a highly modular and flexible manner.
5 *
6 * The library is free for all purposes without any express
7 * guarantee it works.
8 *
9 * Tom St Denis, [email protected], http://libtomcrypt.com
10 */
11
12 /* Implements ECC over Z/pZ for curve y^2 = x^3 - 3x + b
13 *
14 * All curves taken from NIST recommendation paper of July 1999
15 * Available at http://csrc.nist.gov/cryptval/dss.htm
16 */
17 #include "tomcrypt.h"
18
19 /**
20 @file ecc_sizes.c
21 ECC Crypto, Tom St Denis
22 */
23
24 #ifdef MECC
25
26 void ecc_sizes(int *low, int *high)
27 {
28 int i;
29 LTC_ARGCHKVD(low != NULL);
30 LTC_ARGCHKVD(high != NULL);
31
32 *low = INT_MAX;
33 *high = 0;
34 for (i = 0; ltc_ecc_sets[i].size != 0; i++) {
35 if (ltc_ecc_sets[i].size < *low) {
36 *low = ltc_ecc_sets[i].size;
37 }
38 if (ltc_ecc_sets[i].size > *high) {
39 *high = ltc_ecc_sets[i].size;
40 }
41 }
42 }
43
44 #endif
45 /* $Source: /cvs/libtom/libtomcrypt/src/pk/ecc/ecc_sizes.c,v $ */
46 /* $Revision: 1.4 $ */
47 /* $Date: 2006/06/09 01:38:14 $ */
48