Mercurial > dropbear
annotate libtomcrypt/src/pk/ecc/ecc_sizes.c @ 1524:d35cf9a5e0b5
rename default_options.h.in in docs too
author | Matt Johnston <matt@ucc.asn.au> |
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date | Tue, 20 Feb 2018 19:29:55 +0800 |
parents | 6dba84798cd5 |
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis |
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2 * |
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3 * LibTomCrypt is a library that provides various cryptographic |
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4 * algorithms in a highly modular and flexible manner. |
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5 * |
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6 * The library is free for all purposes without any express |
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7 * guarantee it works. |
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8 */ |
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9 |
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10 /* Implements ECC over Z/pZ for curve y^2 = x^3 - 3x + b |
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11 * |
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12 * All curves taken from NIST recommendation paper of July 1999 |
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13 * Available at http://csrc.nist.gov/cryptval/dss.htm |
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14 */ |
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15 #include "tomcrypt.h" |
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16 |
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17 /** |
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18 @file ecc_sizes.c |
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19 ECC Crypto, Tom St Denis |
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20 */ |
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21 |
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22 #ifdef LTC_MECC |
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23 |
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24 void ecc_sizes(int *low, int *high) |
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25 { |
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26 int i; |
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27 LTC_ARGCHKVD(low != NULL); |
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28 LTC_ARGCHKVD(high != NULL); |
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29 |
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30 *low = INT_MAX; |
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31 *high = 0; |
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32 for (i = 0; ltc_ecc_sets[i].size != 0; i++) { |
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33 if (ltc_ecc_sets[i].size < *low) { |
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34 *low = ltc_ecc_sets[i].size; |
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35 } |
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36 if (ltc_ecc_sets[i].size > *high) { |
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37 *high = ltc_ecc_sets[i].size; |
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38 } |
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39 } |
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40 } |
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41 |
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42 #endif |
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43 /* ref: $Format:%D$ */ |
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44 /* git commit: $Format:%H$ */ |
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45 /* commit time: $Format:%ai$ */ |
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46 |