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annotate nss/lib/freebl/ecl/ec2.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 #ifndef __ec2_h_
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6 #define __ec2_h_
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7
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8 #include "ecl-priv.h"
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9
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10 /* Checks if point P(px, py) is at infinity. Uses affine coordinates. */
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11 mp_err ec_GF2m_pt_is_inf_aff(const mp_int *px, const mp_int *py);
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12
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13 /* Sets P(px, py) to be the point at infinity. Uses affine coordinates. */
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14 mp_err ec_GF2m_pt_set_inf_aff(mp_int *px, mp_int *py);
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15
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16 /* Computes R = P + Q where R is (rx, ry), P is (px, py) and Q is (qx,
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17 * qy). Uses affine coordinates. */
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18 mp_err ec_GF2m_pt_add_aff(const mp_int *px, const mp_int *py,
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19 const mp_int *qx, const mp_int *qy, mp_int *rx,
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20 mp_int *ry, const ECGroup *group);
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21
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22 /* Computes R = P - Q. Uses affine coordinates. */
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23 mp_err ec_GF2m_pt_sub_aff(const mp_int *px, const mp_int *py,
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24 const mp_int *qx, const mp_int *qy, mp_int *rx,
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25 mp_int *ry, const ECGroup *group);
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26
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27 /* Computes R = 2P. Uses affine coordinates. */
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28 mp_err ec_GF2m_pt_dbl_aff(const mp_int *px, const mp_int *py, mp_int *rx,
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29 mp_int *ry, const ECGroup *group);
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30
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31 /* Validates a point on a GF2m curve. */
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32 mp_err ec_GF2m_validate_point(const mp_int *px, const mp_int *py, const ECGroup *group);
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33
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34 /* by default, this routine is unused and thus doesn't need to be compiled */
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35 #ifdef ECL_ENABLE_GF2M_PT_MUL_AFF
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36 /* Computes R = nP where R is (rx, ry) and P is (px, py). The parameters
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37 * a, b and p are the elliptic curve coefficients and the irreducible that
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38 * determines the field GF2m. Uses affine coordinates. */
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39 mp_err ec_GF2m_pt_mul_aff(const mp_int *n, const mp_int *px,
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40 const mp_int *py, mp_int *rx, mp_int *ry,
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41 const ECGroup *group);
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42 #endif
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43
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44 /* Computes R = nP where R is (rx, ry) and P is (px, py). The parameters
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45 * a, b and p are the elliptic curve coefficients and the irreducible that
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46 * determines the field GF2m. Uses Montgomery projective coordinates. */
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47 mp_err ec_GF2m_pt_mul_mont(const mp_int *n, const mp_int *px,
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48 const mp_int *py, mp_int *rx, mp_int *ry,
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49 const ECGroup *group);
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50
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51 #ifdef ECL_ENABLE_GF2M_PROJ
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52 /* Converts a point P(px, py) from affine coordinates to projective
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53 * coordinates R(rx, ry, rz). */
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54 mp_err ec_GF2m_pt_aff2proj(const mp_int *px, const mp_int *py, mp_int *rx,
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55 mp_int *ry, mp_int *rz, const ECGroup *group);
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56
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57 /* Converts a point P(px, py, pz) from projective coordinates to affine
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58 * coordinates R(rx, ry). */
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59 mp_err ec_GF2m_pt_proj2aff(const mp_int *px, const mp_int *py,
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60 const mp_int *pz, mp_int *rx, mp_int *ry,
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61 const ECGroup *group);
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62
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63 /* Checks if point P(px, py, pz) is at infinity. Uses projective
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64 * coordinates. */
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65 mp_err ec_GF2m_pt_is_inf_proj(const mp_int *px, const mp_int *py,
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66 const mp_int *pz);
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67
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68 /* Sets P(px, py, pz) to be the point at infinity. Uses projective
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69 * coordinates. */
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70 mp_err ec_GF2m_pt_set_inf_proj(mp_int *px, mp_int *py, mp_int *pz);
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71
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72 /* Computes R = P + Q where R is (rx, ry, rz), P is (px, py, pz) and Q is
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73 * (qx, qy, qz). Uses projective coordinates. */
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74 mp_err ec_GF2m_pt_add_proj(const mp_int *px, const mp_int *py,
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75 const mp_int *pz, const mp_int *qx,
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76 const mp_int *qy, mp_int *rx, mp_int *ry,
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77 mp_int *rz, const ECGroup *group);
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78
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79 /* Computes R = 2P. Uses projective coordinates. */
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80 mp_err ec_GF2m_pt_dbl_proj(const mp_int *px, const mp_int *py,
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81 const mp_int *pz, mp_int *rx, mp_int *ry,
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82 mp_int *rz, const ECGroup *group);
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83
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84 /* Computes R = nP where R is (rx, ry) and P is (px, py). The parameters
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85 * a, b and p are the elliptic curve coefficients and the prime that
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86 * determines the field GF2m. Uses projective coordinates. */
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87 mp_err ec_GF2m_pt_mul_proj(const mp_int *n, const mp_int *px,
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88 const mp_int *py, mp_int *rx, mp_int *ry,
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89 const ECGroup *group);
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90 #endif
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91
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92 #endif /* __ec2_h_ */
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