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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include "ecl.h" | |
| 6 #include "ecl-curve.h" | |
| 7 #include "ecl-priv.h" | |
| 8 #include <stdlib.h> | |
| 9 #include <string.h> | |
| 10 | |
| 11 #define CHECK(func) if ((func) == NULL) { res = 0; goto CLEANUP; } | |
| 12 | |
| 13 /* Duplicates an ECCurveParams */ | |
| 14 ECCurveParams * | |
| 15 ECCurveParams_dup(const ECCurveParams * params) | |
| 16 { | |
| 17 int res = 1; | |
| 18 ECCurveParams *ret = NULL; | |
| 19 | |
| 20 CHECK(ret = (ECCurveParams *) calloc(1, sizeof(ECCurveParams))); | |
| 21 if (params->text != NULL) { | |
| 22 CHECK(ret->text = strdup(params->text)); | |
| 23 } | |
| 24 ret->field = params->field; | |
| 25 ret->size = params->size; | |
| 26 if (params->irr != NULL) { | |
| 27 CHECK(ret->irr = strdup(params->irr)); | |
| 28 } | |
| 29 if (params->curvea != NULL) { | |
| 30 CHECK(ret->curvea = strdup(params->curvea)); | |
| 31 } | |
| 32 if (params->curveb != NULL) { | |
| 33 CHECK(ret->curveb = strdup(params->curveb)); | |
| 34 } | |
| 35 if (params->genx != NULL) { | |
| 36 CHECK(ret->genx = strdup(params->genx)); | |
| 37 } | |
| 38 if (params->geny != NULL) { | |
| 39 CHECK(ret->geny = strdup(params->geny)); | |
| 40 } | |
| 41 if (params->order != NULL) { | |
| 42 CHECK(ret->order = strdup(params->order)); | |
| 43 } | |
| 44 ret->cofactor = params->cofactor; | |
| 45 | |
| 46 CLEANUP: | |
| 47 if (res != 1) { | |
| 48 EC_FreeCurveParams(ret); | |
| 49 return NULL; | |
| 50 } | |
| 51 return ret; | |
| 52 } | |
| 53 | |
| 54 #undef CHECK | |
| 55 | |
| 56 /* Construct ECCurveParams from an ECCurveName */ | |
| 57 ECCurveParams * | |
| 58 EC_GetNamedCurveParams(const ECCurveName name) | |
| 59 { | |
| 60 if ((name <= ECCurve_noName) || (ECCurve_pastLastCurve <= name) || | |
| 61 (ecCurve_map[name] == NULL)) { | |
| 62 return NULL; | |
| 63 } else { | |
| 64 return ECCurveParams_dup(ecCurve_map[name]); | |
| 65 } | |
| 66 } | |
| 67 | |
| 68 /* Free the memory allocated (if any) to an ECCurveParams object. */ | |
| 69 void | |
| 70 EC_FreeCurveParams(ECCurveParams * params) | |
| 71 { | |
| 72 if (params == NULL) | |
| 73 return; | |
| 74 if (params->text != NULL) | |
| 75 free(params->text); | |
| 76 if (params->irr != NULL) | |
| 77 free(params->irr); | |
| 78 if (params->curvea != NULL) | |
| 79 free(params->curvea); | |
| 80 if (params->curveb != NULL) | |
| 81 free(params->curveb); | |
| 82 if (params->genx != NULL) | |
| 83 free(params->genx); | |
| 84 if (params->geny != NULL) | |
| 85 free(params->geny); | |
| 86 if (params->order != NULL) | |
| 87 free(params->order); | |
| 88 free(params); | |
| 89 } | |
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Chromium Code Reviews
Issue 2078763002:
Delete bundled copy of NSS and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/nss@master