Mercurial > trustbridge > nss-cmake-static

annotate nss/lib/freebl/ecl/ecl_curve.c @ 4:b513267f632f tip

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Build DBM module
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 05 Aug 2014 18:58:03 +0200
parents 1e5118fa0cb1
children
rev   line source
0
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1 /* This Source Code Form is subject to the terms of the Mozilla Public
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2 * License, v. 2.0. If a copy of the MPL was not distributed with this
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3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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4
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5 #include "ecl.h"
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6 #include "ecl-curve.h"
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7 #include "ecl-priv.h"
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8 #include <stdlib.h>
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9 #include <string.h>
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10
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11 #define CHECK(func) if ((func) == NULL) { res = 0; goto CLEANUP; }
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12
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13 /* Duplicates an ECCurveParams */
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14 ECCurveParams *
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15 ECCurveParams_dup(const ECCurveParams * params)
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16 {
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17 int res = 1;
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18 ECCurveParams *ret = NULL;
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19
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20 CHECK(ret = (ECCurveParams *) calloc(1, sizeof(ECCurveParams)));
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21 if (params->text != NULL) {
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22 CHECK(ret->text = strdup(params->text));
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23 }
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24 ret->field = params->field;
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25 ret->size = params->size;
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26 if (params->irr != NULL) {
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27 CHECK(ret->irr = strdup(params->irr));
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28 }
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29 if (params->curvea != NULL) {
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30 CHECK(ret->curvea = strdup(params->curvea));
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31 }
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32 if (params->curveb != NULL) {
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33 CHECK(ret->curveb = strdup(params->curveb));
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34 }
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35 if (params->genx != NULL) {
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36 CHECK(ret->genx = strdup(params->genx));
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37 }
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38 if (params->geny != NULL) {
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39 CHECK(ret->geny = strdup(params->geny));
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40 }
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41 if (params->order != NULL) {
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42 CHECK(ret->order = strdup(params->order));
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43 }
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44 ret->cofactor = params->cofactor;
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45
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46 CLEANUP:
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47 if (res != 1) {
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48 EC_FreeCurveParams(ret);
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49 return NULL;
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50 }
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51 return ret;
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52 }
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53
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54 #undef CHECK
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55
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56 /* Construct ECCurveParams from an ECCurveName */
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57 ECCurveParams *
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58 EC_GetNamedCurveParams(const ECCurveName name)
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59 {
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60 if ((name <= ECCurve_noName) || (ECCurve_pastLastCurve <= name) ||
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61 (ecCurve_map[name] == NULL)) {
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62 return NULL;
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63 } else {
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64 return ECCurveParams_dup(ecCurve_map[name]);
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65 }
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66 }
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67
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68 /* Free the memory allocated (if any) to an ECCurveParams object. */
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69 void
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70 EC_FreeCurveParams(ECCurveParams * params)
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71 {
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72 if (params == NULL)
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73 return;
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74 if (params->text != NULL)
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75 free(params->text);
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76 if (params->irr != NULL)
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77 free(params->irr);
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78 if (params->curvea != NULL)
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79 free(params->curvea);
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80 if (params->curveb != NULL)
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81 free(params->curveb);
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82 if (params->genx != NULL)
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83 free(params->genx);
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84 if (params->geny != NULL)
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85 free(params->geny);
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86 if (params->order != NULL)
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87 free(params->order);
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88 free(params);
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89 }
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