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47 lines
1.0 KiB
C
47 lines
1.0 KiB
C
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*/
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/* Implements ECC over Z/pZ for curve y^2 = x^3 - 3x + b
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*
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* All curves taken from NIST recommendation paper of July 1999
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* Available at http://csrc.nist.gov/cryptval/dss.htm
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*/
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#include "tomcrypt.h"
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/**
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@file ecc_sizes.c
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ECC Crypto, Tom St Denis
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*/
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#ifdef LTC_MECC
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void ecc_sizes(int *low, int *high)
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{
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int i;
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LTC_ARGCHKVD(low != NULL);
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LTC_ARGCHKVD(high != NULL);
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*low = INT_MAX;
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*high = 0;
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for (i = 0; ltc_ecc_sets[i].size != 0; i++) {
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if (ltc_ecc_sets[i].size < *low) {
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*low = ltc_ecc_sets[i].size;
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}
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if (ltc_ecc_sets[i].size > *high) {
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*high = ltc_ecc_sets[i].size;
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}
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}
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}
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#endif
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/* ref: HEAD -> master, tag: v1.18.2 */
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/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
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/* commit time: 2018-07-01 22:49:01 +0200 */
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