| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| |
| /* Although this is not an exported header file, code which uses elliptic |
| * curve point operations will need to include it. */ |
| |
| #ifndef __ecl_h_ |
| #define __ecl_h_ |
| |
| #include "blapi.h" |
| #include "ecl-exp.h" |
| #include "mpi.h" |
| #include "eclt.h" |
| |
| struct ECGroupStr; |
| typedef struct ECGroupStr ECGroup; |
| |
| /* Construct ECGroup from named parameters. */ |
| ECGroup *ECGroup_fromName(const ECCurveName name); |
| |
| /* Free an allocated ECGroup. */ |
| void ECGroup_free(ECGroup *group); |
| |
| /* Elliptic curve scalar-point multiplication. Computes Q(x, y) = k * P(x, |
| * y). If x, y = NULL, then P is assumed to be the generator (base point) |
| * of the group of points on the elliptic curve. Input and output values |
| * are assumed to be NOT field-encoded. */ |
| mp_err ECPoint_mul(const ECGroup *group, const mp_int *k, const mp_int *px, |
| const mp_int *py, mp_int *qx, mp_int *qy); |
| |
| /* Elliptic curve scalar-point multiplication. Computes Q(x, y) = k1 * G + |
| * k2 * P(x, y), where G is the generator (base point) of the group of |
| * points on the elliptic curve. Input and output values are assumed to |
| * be NOT field-encoded. */ |
| mp_err ECPoints_mul(const ECGroup *group, const mp_int *k1, |
| const mp_int *k2, const mp_int *px, const mp_int *py, |
| mp_int *qx, mp_int *qy); |
| |
| /* Validates an EC public key as described in Section 5.2.2 of X9.62. |
| * Returns MP_YES if the public key is valid, MP_NO if the public key |
| * is invalid, or an error code if the validation could not be |
| * performed. */ |
| mp_err ECPoint_validate(const ECGroup *group, const mp_int *px, const mp_int *py); |
| |
| SECStatus ec_Curve25519_pt_mul(SECItem *X, SECItem *k, SECItem *P); |
| SECStatus ec_Curve25519_pt_validate(const SECItem *px); |
| |
| #endif /* __ecl_h_ */ |