security/nss/lib/freebl/ecl/ecl.h@6474c204b198 (annotated)
security/nss/lib/freebl/ecl/ecl.h
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 | /* Although this is not an exported header file, code which uses elliptic |
| michael@0 | 6 | * curve point operations will need to include it. */ |
| michael@0 | 7 | |
| michael@0 | 8 | #ifndef __ecl_h_ |
| michael@0 | 9 | #define __ecl_h_ |
| michael@0 | 10 | |
| michael@0 | 11 | #include "ecl-exp.h" |
| michael@0 | 12 | #include "mpi.h" |
| michael@0 | 13 | |
| michael@0 | 14 | struct ECGroupStr; |
| michael@0 | 15 | typedef struct ECGroupStr ECGroup; |
| michael@0 | 16 | |
| michael@0 | 17 | /* Construct ECGroup from hexadecimal representations of parameters. */ |
| michael@0 | 18 | ECGroup *ECGroup_fromHex(const ECCurveParams * params); |
| michael@0 | 19 | |
| michael@0 | 20 | /* Construct ECGroup from named parameters. */ |
| michael@0 | 21 | ECGroup *ECGroup_fromName(const ECCurveName name); |
| michael@0 | 22 | |
| michael@0 | 23 | /* Free an allocated ECGroup. */ |
| michael@0 | 24 | void ECGroup_free(ECGroup *group); |
| michael@0 | 25 | |
| michael@0 | 26 | /* Construct ECCurveParams from an ECCurveName */ |
| michael@0 | 27 | ECCurveParams *EC_GetNamedCurveParams(const ECCurveName name); |
| michael@0 | 28 | |
| michael@0 | 29 | /* Duplicates an ECCurveParams */ |
| michael@0 | 30 | ECCurveParams *ECCurveParams_dup(const ECCurveParams * params); |
| michael@0 | 31 | |
| michael@0 | 32 | /* Free an allocated ECCurveParams */ |
| michael@0 | 33 | void EC_FreeCurveParams(ECCurveParams * params); |
| michael@0 | 34 | |
| michael@0 | 35 | /* Elliptic curve scalar-point multiplication. Computes Q(x, y) = k * P(x, |
| michael@0 | 36 | * y). If x, y = NULL, then P is assumed to be the generator (base point) |
| michael@0 | 37 | * of the group of points on the elliptic curve. Input and output values |
| michael@0 | 38 | * are assumed to be NOT field-encoded. */ |
| michael@0 | 39 | mp_err ECPoint_mul(const ECGroup *group, const mp_int *k, const mp_int *px, |
| michael@0 | 40 | const mp_int *py, mp_int *qx, mp_int *qy); |
| michael@0 | 41 | |
| michael@0 | 42 | /* Elliptic curve scalar-point multiplication. Computes Q(x, y) = k1 * G + |
| michael@0 | 43 | * k2 * P(x, y), where G is the generator (base point) of the group of |
| michael@0 | 44 | * points on the elliptic curve. Input and output values are assumed to |
| michael@0 | 45 | * be NOT field-encoded. */ |
| michael@0 | 46 | mp_err ECPoints_mul(const ECGroup *group, const mp_int *k1, |
| michael@0 | 47 | const mp_int *k2, const mp_int *px, const mp_int *py, |
| michael@0 | 48 | mp_int *qx, mp_int *qy); |
| michael@0 | 49 | |
| michael@0 | 50 | /* Validates an EC public key as described in Section 5.2.2 of X9.62. |
| michael@0 | 51 | * Returns MP_YES if the public key is valid, MP_NO if the public key |
| michael@0 | 52 | * is invalid, or an error code if the validation could not be |
| michael@0 | 53 | * performed. */ |
| michael@0 | 54 | mp_err ECPoint_validate(const ECGroup *group, const mp_int *px, const |
| michael@0 | 55 | mp_int *py); |
| michael@0 | 56 | |
| michael@0 | 57 | #endif /* __ecl_h_ */ |
