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annotate nss/lib/freebl/ecl/ecl.h @ 0:1e5118fa0cb1

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This is NSS with a Cmake Buildsyste To compile a static NSS library for Windows we've used the Chromium-NSS fork and added a Cmake buildsystem to compile it statically for Windows. See README.chromium for chromium changes and README.trustbridge for our modifications.
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 28 Jul 2014 10:47:06 +0200
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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 /* Although this is not an exported header file, code which uses elliptic
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6 * curve point operations will need to include it. */
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7
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8 #ifndef __ecl_h_
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9 #define __ecl_h_
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10
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11 #include "ecl-exp.h"
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12 #include "mpi.h"
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13
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14 struct ECGroupStr;
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15 typedef struct ECGroupStr ECGroup;
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16
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17 /* Construct ECGroup from hexadecimal representations of parameters. */
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18 ECGroup *ECGroup_fromHex(const ECCurveParams * params);
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19
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20 /* Construct ECGroup from named parameters. */
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21 ECGroup *ECGroup_fromName(const ECCurveName name);
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22
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23 /* Free an allocated ECGroup. */
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24 void ECGroup_free(ECGroup *group);
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25
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26 /* Construct ECCurveParams from an ECCurveName */
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27 ECCurveParams *EC_GetNamedCurveParams(const ECCurveName name);
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28
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29 /* Duplicates an ECCurveParams */
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30 ECCurveParams *ECCurveParams_dup(const ECCurveParams * params);
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31
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32 /* Free an allocated ECCurveParams */
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33 void EC_FreeCurveParams(ECCurveParams * params);
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34
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35 /* Elliptic curve scalar-point multiplication. Computes Q(x, y) = k * P(x,
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36 * y). If x, y = NULL, then P is assumed to be the generator (base point)
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37 * of the group of points on the elliptic curve. Input and output values
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38 * are assumed to be NOT field-encoded. */
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39 mp_err ECPoint_mul(const ECGroup *group, const mp_int *k, const mp_int *px,
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40 const mp_int *py, mp_int *qx, mp_int *qy);
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41
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42 /* Elliptic curve scalar-point multiplication. Computes Q(x, y) = k1 * G +
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43 * k2 * P(x, y), where G is the generator (base point) of the group of
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44 * points on the elliptic curve. Input and output values are assumed to
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45 * be NOT field-encoded. */
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46 mp_err ECPoints_mul(const ECGroup *group, const mp_int *k1,
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47 const mp_int *k2, const mp_int *px, const mp_int *py,
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48 mp_int *qx, mp_int *qy);
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49
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50 /* Validates an EC public key as described in Section 5.2.2 of X9.62.
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51 * Returns MP_YES if the public key is valid, MP_NO if the public key
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52 * is invalid, or an error code if the validation could not be
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53 * performed. */
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54 mp_err ECPoint_validate(const ECGroup *group, const mp_int *px, const
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55 mp_int *py);
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56
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57 #endif /* __ecl_h_ */
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