security/nss/lib/freebl/ecl/ecl_curve.c@6474c204b198 (annotated)
security/nss/lib/freebl/ecl/ecl_curve.c
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | #include "ecl.h" |
| michael@0 | 6 | #include "ecl-curve.h" |
| michael@0 | 7 | #include "ecl-priv.h" |
| michael@0 | 8 | #include <stdlib.h> |
| michael@0 | 9 | #include <string.h> |
| michael@0 | 10 | |
| michael@0 | 11 | #define CHECK(func) if ((func) == NULL) { res = 0; goto CLEANUP; } |
| michael@0 | 12 | |
| michael@0 | 13 | /* Duplicates an ECCurveParams */ |
| michael@0 | 14 | ECCurveParams * |
| michael@0 | 15 | ECCurveParams_dup(const ECCurveParams * params) |
| michael@0 | 16 | { |
| michael@0 | 17 | int res = 1; |
| michael@0 | 18 | ECCurveParams *ret = NULL; |
| michael@0 | 19 | |
| michael@0 | 20 | CHECK(ret = (ECCurveParams *) calloc(1, sizeof(ECCurveParams))); |
| michael@0 | 21 | if (params->text != NULL) { |
| michael@0 | 22 | CHECK(ret->text = strdup(params->text)); |
| michael@0 | 23 | } |
| michael@0 | 24 | ret->field = params->field; |
| michael@0 | 25 | ret->size = params->size; |
| michael@0 | 26 | if (params->irr != NULL) { |
| michael@0 | 27 | CHECK(ret->irr = strdup(params->irr)); |
| michael@0 | 28 | } |
| michael@0 | 29 | if (params->curvea != NULL) { |
| michael@0 | 30 | CHECK(ret->curvea = strdup(params->curvea)); |
| michael@0 | 31 | } |
| michael@0 | 32 | if (params->curveb != NULL) { |
| michael@0 | 33 | CHECK(ret->curveb = strdup(params->curveb)); |
| michael@0 | 34 | } |
| michael@0 | 35 | if (params->genx != NULL) { |
| michael@0 | 36 | CHECK(ret->genx = strdup(params->genx)); |
| michael@0 | 37 | } |
| michael@0 | 38 | if (params->geny != NULL) { |
| michael@0 | 39 | CHECK(ret->geny = strdup(params->geny)); |
| michael@0 | 40 | } |
| michael@0 | 41 | if (params->order != NULL) { |
| michael@0 | 42 | CHECK(ret->order = strdup(params->order)); |
| michael@0 | 43 | } |
| michael@0 | 44 | ret->cofactor = params->cofactor; |
| michael@0 | 45 | |
| michael@0 | 46 | CLEANUP: |
| michael@0 | 47 | if (res != 1) { |
| michael@0 | 48 | EC_FreeCurveParams(ret); |
| michael@0 | 49 | return NULL; |
| michael@0 | 50 | } |
| michael@0 | 51 | return ret; |
| michael@0 | 52 | } |
| michael@0 | 53 | |
| michael@0 | 54 | #undef CHECK |
| michael@0 | 55 | |
| michael@0 | 56 | /* Construct ECCurveParams from an ECCurveName */ |
| michael@0 | 57 | ECCurveParams * |
| michael@0 | 58 | EC_GetNamedCurveParams(const ECCurveName name) |
| michael@0 | 59 | { |
| michael@0 | 60 | if ((name <= ECCurve_noName) || (ECCurve_pastLastCurve <= name) || |
| michael@0 | 61 | (ecCurve_map[name] == NULL)) { |
| michael@0 | 62 | return NULL; |
| michael@0 | 63 | } else { |
| michael@0 | 64 | return ECCurveParams_dup(ecCurve_map[name]); |
| michael@0 | 65 | } |
| michael@0 | 66 | } |
| michael@0 | 67 | |
| michael@0 | 68 | /* Free the memory allocated (if any) to an ECCurveParams object. */ |
| michael@0 | 69 | void |
| michael@0 | 70 | EC_FreeCurveParams(ECCurveParams * params) |
| michael@0 | 71 | { |
| michael@0 | 72 | if (params == NULL) |
| michael@0 | 73 | return; |
| michael@0 | 74 | if (params->text != NULL) |
| michael@0 | 75 | free(params->text); |
| michael@0 | 76 | if (params->irr != NULL) |
| michael@0 | 77 | free(params->irr); |
| michael@0 | 78 | if (params->curvea != NULL) |
| michael@0 | 79 | free(params->curvea); |
| michael@0 | 80 | if (params->curveb != NULL) |
| michael@0 | 81 | free(params->curveb); |
| michael@0 | 82 | if (params->genx != NULL) |
| michael@0 | 83 | free(params->genx); |
| michael@0 | 84 | if (params->geny != NULL) |
| michael@0 | 85 | free(params->geny); |
| michael@0 | 86 | if (params->order != NULL) |
| michael@0 | 87 | free(params->order); |
| michael@0 | 88 | free(params); |
| michael@0 | 89 | } |
