/* * RELIC is an Efficient LIbrary for Cryptography * Copyright (c) 2009 RELIC Authors * * This file is part of RELIC. RELIC is legal property of its developers, * whose names are not listed here. Please refer to the COPYRIGHT file * for contact information. * * RELIC is free software; you can redistribute it and/or modify it under the * terms of the version 2.1 (or later) of the GNU Lesser General Public License * as published by the Free Software Foundation; or version 2.0 of the Apache * License as published by the Apache Software Foundation. See the LICENSE files * for more details. * * RELIC is distributed in the hope that it will be useful, but WITHOUT ANY * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR * A PARTICULAR PURPOSE. See the LICENSE files for more details. * * You should have received a copy of the GNU Lesser General Public or the * Apache License along with RELIC. If not, see * or . */ /** * @defgroup pp Bilinear pairings over prime elliptic curves. */ /** * @file * * Interface of the module for computing bilinear pairings over prime elliptic * curves. * * @ingroup pp */ #ifndef RLC_PP_H #define RLC_PP_H #include "relic_fpx.h" #include "relic_epx.h" #include "relic_types.h" /*============================================================================*/ /* Macro definitions */ /*============================================================================*/ /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 2. * * @param[out] L - the result of the evaluation. * @param[in, out] R - the resulting point and first point to add. * @param[in] P - the second point to add. * @param[in] Q - the affine point to evaluate the line function. */ #if EP_ADD == BASIC #define pp_add_k2(L, R, P, Q) pp_add_k2_basic(L, R, P, Q) #else #define pp_add_k2(L, R, P, Q) pp_add_k2_projc(L, R, P, Q) #endif /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 2 using projective * coordinates. * * @param[out] L - the result of the evaluation. * @param[in, out] R - the resulting point and first point to add. * @param[in] P - the second point to add. * @param[in] Q - the affine point to evaluate the line function. */ #if PP_EXT == BASIC #define pp_add_k2_projc(L, R, P, Q) pp_add_k2_projc_basic(L, R, P, Q) #else #define pp_add_k2_projc(L, R, P, Q) pp_add_k2_projc_lazyr(L, R, P, Q) #endif /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 8. * * @param[out] L - the result of the evaluation. * @param[in, out] R - the resulting point and first point to add. * @param[in] Q - the second point to add. * @param[in] P - the affine point to evaluate the line function. */ #if EP_ADD == BASIC #define pp_add_k8(L, R, Q, P) pp_add_k8_basic(L, R, Q, P) #else #define pp_add_k8(L, R, Q, P) pp_add_k8_projc(L, R, Q, P) #endif /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 8 using projective * coordinates. * * @param[out] L - the result of the evaluation. * @param[in, out] R - the resulting point and first point to add. * @param[in] Q - the second point to add. * @param[in] P - the affine point to evaluate the line function. */ #if PP_EXT == BASIC #define pp_add_k8_projc(L, R, Q, P) pp_add_k8_projc_basic(L, R, Q, P) #elif PP_EXT == LAZYR #define pp_add_k8_projc(L, R, Q, P) pp_add_k8_projc_lazyr(L, R, Q, P) #endif /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 12. * * @param[out] L - the result of the evaluation. * @param[in, out] R - the resulting point and first point to add. * @param[in] Q - the second point to add. * @param[in] P - the affine point to evaluate the line function. */ #if EP_ADD == BASIC #define pp_add_k12(L, R, Q, P) pp_add_k12_basic(L, R, Q, P) #else #define pp_add_k12(L, R, Q, P) pp_add_k12_projc(L, R, Q, P) #endif /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 12 using projective * coordinates. * * @param[out] L - the result of the evaluation. * @param[in, out] R - the resulting point and first point to add. * @param[in] Q - the second point to add. * @param[in] P - the affine point to evaluate the line function. */ #if PP_EXT == BASIC #define pp_add_k12_projc(L, R, Q, P) pp_add_k12_projc_basic(L, R, Q, P) #elif PP_EXT == LAZYR #define pp_add_k12_projc(L, R, Q, P) pp_add_k12_projc_lazyr(L, R, Q, P) #endif /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 48. * * @param[out] L - the result of the evaluation. * @param[in, out] R - the resulting point and first point to add. * @param[in] Q - the second point to add. * @param[in] P - the affine point to evaluate the line function. */ #if EP_ADD == BASIC #define pp_add_k48(L, RX, RY, RZ, QX, QY, P) pp_add_k48_basic(L, RX, RY, QX, QY, P) #else #define pp_add_k48(L, RX, RY, RZ, QX, QY, P) pp_add_k48_projc(L, RX, RY, RZ, QX, QY, P) #endif /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 54. * * @param[out] L - the result of the evaluation. * @param[in, out] R - the resulting point and first point to add. * @param[in] Q - the second point to add. * @param[in] P - the affine point to evaluate the line function. */ #if EP_ADD == BASIC #define pp_add_k54(L, RX, RY, RZ, QX, QY, P) pp_add_k54_basic(L, RX, RY, QX, QY, P) #else #define pp_add_k54(L, RX, RY, RZ, QX, QY, P) pp_add_k54_projc(L, RX, RY, RZ, QX, QY, P) #endif /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 2. * * @param[out] L - the result of the evaluation. * @param[out] R - the resulting point. * @param[in] P - the point to double. * @param[in] Q - the affine point to evaluate the line function. */ #if EP_ADD == BASIC #define pp_dbl_k2(L, R, P, Q) pp_dbl_k2_basic(L, R, P, Q) #else #define pp_dbl_k2(L, R, P, Q) pp_dbl_k2_projc(L, R, P, Q) #endif /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 8. * * @param[out] L - the result of the evaluation. * @param[out] R - the resulting point. * @param[in] Q - the point to double. * @param[in] P - the affine point to evaluate the line function. */ #if EP_ADD == BASIC #define pp_dbl_k8(L, R, Q, P) pp_dbl_k8_basic(L, R, Q, P) #else #define pp_dbl_k8(L, R, Q, P) pp_dbl_k8_projc(L, R, Q, P) #endif /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 12. * * @param[out] L - the result of the evaluation. * @param[out] R - the resulting point. * @param[in] Q - the point to double. * @param[in] P - the affine point to evaluate the line function. */ #if EP_ADD == BASIC #define pp_dbl_k12(L, R, Q, P) pp_dbl_k12_basic(L, R, Q, P) #else #define pp_dbl_k12(L, R, Q, P) pp_dbl_k12_projc(L, R, Q, P) #endif /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 12 using projective * coordinates. * * @param[out] L - the result of the evaluation. * @param[in, out] R - the resulting point. * @param[in] Q - the point to double. * @param[in] P - the affine point to evaluate the line function. */ #if PP_EXT == BASIC #define pp_dbl_k8_projc(L, R, Q, P) pp_dbl_k8_projc_basic(L, R, Q, P) #elif PP_EXT == LAZYR #define pp_dbl_k8_projc(L, R, Q, P) pp_dbl_k8_projc_lazyr(L, R, Q, P) #endif /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 2 using projective * coordinates. * * @param[out] L - the result of the evaluation. * @param[in, out] R - the resulting point. * @param[in] Q - the point to double. * @param[in] P - the affine point to evaluate the line function. */ #if PP_EXT == BASIC #define pp_dbl_k2_projc(L, R, P, Q) pp_dbl_k2_projc_basic(L, R, P, Q) #elif PP_EXT == LAZYR #define pp_dbl_k2_projc(L, R, P, Q) pp_dbl_k2_projc_lazyr(L, R, P, Q) #endif /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 12 using projective * coordinates. * * @param[out] L - the result of the evaluation. * @param[in, out] R - the resulting point. * @param[in] Q - the point to double. * @param[in] P - the affine point to evaluate the line function. */ #if PP_EXT == BASIC #define pp_dbl_k12_projc(L, R, Q, P) pp_dbl_k12_projc_basic(L, R, Q, P) #elif PP_EXT == LAZYR #define pp_dbl_k12_projc(L, R, Q, P) pp_dbl_k12_projc_lazyr(L, R, Q, P) #endif /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 48. * * @param[out] L - the result of the evaluation. * @param[out] R - the resulting point. * @param[in] Q - the point to double. * @param[in] P - the affine point to evaluate the line function. */ #if EP_ADD == BASIC #define pp_dbl_k48(L, RX, RY, RZ, P) pp_dbl_k48_basic(L, RX, RY, P) #else #define pp_dbl_k48(L, RX, RY, RZ, P) pp_dbl_k48_projc(L, RX, RY, RZ, P) #endif /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 54. * * @param[out] L - the result of the evaluation. * @param[out] R - the resulting point. * @param[in] Q - the point to double. * @param[in] P - the affine point to evaluate the line function. */ #if EP_ADD == BASIC #define pp_dbl_k54(L, RX, RY, RZ, P) pp_dbl_k54_basic(L, RX, RY, P) #else #define pp_dbl_k54(L, RX, RY, RZ, P) pp_dbl_k54_projc(L, RX, RY, RZ, P) #endif /** * Computes a pairing of two prime elliptic curve points defined on an elliptic * curves of embedding degree 2. Computes e(P, Q). * * @param[out] R - the result. * @param[in] P - the first elliptic curve point. * @param[in] Q - the second elliptic curve point. */ #if PP_MAP == TATEP #define pp_map_k2(R, P, Q) pp_map_tatep_k2(R, P, Q) #elif PP_MAP == WEILP #define pp_map_k2(R, P, Q) pp_map_weilp_k2(R, P, Q) #elif PP_MAP == OATEP #define pp_map_k2(R, P, Q) pp_map_tatep_k2(R, P, Q) #endif /** * Computes a pairing of two prime elliptic curve points defined on an elliptic * curve of embedding degree 12. Computes e(P, Q). * * @param[out] R - the result. * @param[in] P - the first elliptic curve point. * @param[in] Q - the second elliptic curve point. */ #if PP_MAP == TATEP #define pp_map_k12(R, P, Q) pp_map_tatep_k12(R, P, Q) #elif PP_MAP == WEILP #define pp_map_k12(R, P, Q) pp_map_weilp_k12(R, P, Q) #elif PP_MAP == OATEP #define pp_map_k12(R, P, Q) pp_map_oatep_k12(R, P, Q) #endif /** * Computes a multi-pairing of elliptic curve points defined on an elliptic * curve of embedding degree 2. Computes \prod e(P_i, Q_i). * * @param[out] R - the result. * @param[in] P - the first pairing arguments. * @param[in] Q - the second pairing arguments. * @param[in] M - the number of pairings to evaluate. */ #if PP_MAP == WEILP #define pp_map_sim_k2(R, P, Q, M) pp_map_sim_weilp_k2(R, P, Q, M) #elif PP_MAP == TATEP || PP_MAP == OATEP #define pp_map_sim_k2(R, P, Q, M) pp_map_sim_tatep_k2(R, P, Q, M) #endif /** * Computes a multi-pairing of elliptic curve points defined on an elliptic * curve of embedding degree 12. Computes \prod e(P_i, Q_i). * * @param[out] R - the result. * @param[in] P - the first pairing arguments. * @param[in] Q - the second pairing arguments. * @param[in] M - the number of pairings to evaluate. */ #if PP_MAP == TATEP #define pp_map_sim_k12(R, P, Q, M) pp_map_sim_tatep_k12(R, P, Q, M) #elif PP_MAP == WEILP #define pp_map_sim_k12(R, P, Q, M) pp_map_sim_weilp_k12(R, P, Q, M) #elif PP_MAP == OATEP #define pp_map_sim_k12(R, P, Q, M) pp_map_sim_oatep_k12(R, P, Q, M) #endif /*============================================================================*/ /* Function prototypes */ /*============================================================================*/ /** * Initializes the pairing over prime fields. */ void pp_map_init(void); /** * Finalizes the pairing over prime fields. */ void pp_map_clean(void); /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 2 using affine coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point and first point to add. * @param[in] p - the second point to add. * @param[in] q - the affine point to evaluate the line function. */ void pp_add_k2_basic(fp2_t l, ep_t r, ep_t p, ep_t q); /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 12 using projective * coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point and first point to add. * @param[in] p - the second point to add. * @param[in] q - the affine point to evaluate the line function. */ void pp_add_k2_projc_basic(fp2_t l, ep_t r, ep_t p, ep_t q); /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 12 using projective * coordinates and lazy reduction. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point and first point to add. * @param[in] p - the second point to add. * @param[in] q - the affine point to evaluate the line function. */ void pp_add_k2_projc_lazyr(fp2_t l, ep_t r, ep_t p, ep_t q); /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 8 using affine coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point and first point to add. * @param[in] q - the second point to add. * @param[in] p - the affine point to evaluate the line function. */ void pp_add_k8_basic(fp8_t l, ep2_t r, ep2_t q, ep_t p); /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 8 using projective * coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point and first point to add. * @param[in] q - the second point to add. * @param[in] p - the affine point to evaluate the line function. */ void pp_add_k8_projc_basic(fp8_t l, ep2_t r, ep2_t q, ep_t p); /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 8 using projective * coordinates and lazy reduction. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point and first point to add. * @param[in] q - the second point to add. * @param[in] p - the affine point to evaluate the line function. */ void pp_add_k8_projc_lazyr(fp8_t l, ep2_t r, ep2_t q, ep_t p); /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 12 using affine coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point and first point to add. * @param[in] q - the second point to add. * @param[in] p - the affine point to evaluate the line function. */ void pp_add_k12_basic(fp12_t l, ep2_t r, ep2_t q, ep_t p); /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 12 using projective * coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point and first point to add. * @param[in] q - the second point to add. * @param[in] p - the affine point to evaluate the line function. */ void pp_add_k12_projc_basic(fp12_t l, ep2_t r, ep2_t q, ep_t p); /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 12 using projective * coordinates and lazy reduction. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point and first point to add. * @param[in] q - the second point to add. * @param[in] p - the affine point to evaluate the line function. */ void pp_add_k12_projc_lazyr(fp12_t l, ep2_t r, ep2_t q, ep_t p); /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve twist with embedding degree 12 using projective * coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point and first point to add. * @param[in] p - the second point to add. * @param[in] q - the affine point to evaluate the line function. */ void pp_add_lit_k12(fp12_t l, ep_t r, ep_t p, ep2_t q); /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 48 using affine coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point and first point to add. * @param[in] q - the second point to add. * @param[in] p - the affine point to evaluate the line function. */ void pp_add_k48_basic(fp48_t l, fp8_t rx, fp8_t ry, fp8_t qx, fp8_t qy, ep_t p); /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 48 using projective * coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point and first point to add. * @param[in] q - the second point to add. * @param[in] p - the affine point to evaluate the line function. */ void pp_add_k48_projc(fp48_t l, fp8_t rx, fp8_t ry, fp8_t rz, fp8_t qx, fp8_t qy, ep_t p); /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 54 using affine coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point and first point to add. * @param[in] q - the second point to add. * @param[in] p - the affine point to evaluate the line function. */ void pp_add_k54_basic(fp54_t l, fp9_t rx, fp9_t ry, fp9_t qx, fp9_t qy, ep_t p); /** * Adds two points and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 54 using projective * coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point and first point to add. * @param[in] q - the second point to add. * @param[in] p - the affine point to evaluate the line function. */ void pp_add_k54_projc(fp54_t l, fp9_t rx, fp9_t ry, fp9_t rz, fp9_t qx, fp9_t qy, ep_t p); /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 2 using affine * coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point. * @param[in] p - the point to double. * @param[in] q - the affine point to evaluate the line function. */ void pp_dbl_k2_basic(fp2_t l, ep_t r, ep_t p, ep_t q); /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 12 using projective * coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point. * @param[in] p - the point to double. * @param[in] q - the affine point to evaluate the line function. */ void pp_dbl_k2_projc_basic(fp2_t l, ep_t r, ep_t p, ep_t q); /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 12 using projective * coordinates and lazy reduction. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point. * @param[in] p - the point to double. * @param[in] q - the affine point to evaluate the line function. */ void pp_dbl_k2_projc_lazyr(fp2_t l, ep_t r, ep_t p, ep_t q); /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 8 using affine * coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point. * @param[in] q - the point to double. * @param[in] p - the affine point to evaluate the line function. */ void pp_dbl_k8_basic(fp8_t l, ep2_t r, ep2_t q, ep_t p); /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 8 using projective * coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point. * @param[in] q - the point to double. * @param[in] p - the affine point to evaluate the line function. */ void pp_dbl_k8_projc_basic(fp8_t l, ep2_t r, ep2_t q, ep_t p); /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 8 using projective * coordinates and lazy reduction. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point. * @param[in] q - the point to double. * @param[in] p - the affine point to evaluate the line function. */ void pp_dbl_k8_projc_lazyr(fp8_t l, ep2_t r, ep2_t q, ep_t p); /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 12 using affine * coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point. * @param[in] q - the point to double. * @param[in] p - the affine point to evaluate the line function. */ void pp_dbl_k12_basic(fp12_t l, ep2_t r, ep2_t q, ep_t p); /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 12 using projective * coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point. * @param[in] q - the point to double. * @param[in] p - the affine point to evaluate the line function. */ void pp_dbl_k12_projc_basic(fp12_t l, ep2_t r, ep2_t q, ep_t p); /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 12 using projective * coordinates and lazy reduction. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point. * @param[in] q - the point to double. * @param[in] p - the affine point to evaluate the line function. */ void pp_dbl_k12_projc_lazyr(fp12_t l, ep2_t r, ep2_t q, ep_t p); /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 48 using affine * coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point. * @param[in] q - the point to double. * @param[in] p - the affine point to evaluate the line function. */ void pp_dbl_k48_basic(fp48_t l, fp8_t rx, fp8_t ry, ep_t p); /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 48 using projective * coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point. * @param[in] q - the point to double. * @param[in] p - the affine point to evaluate the line function. */ void pp_dbl_k48_projc(fp48_t l, fp8_t rx, fp8_t ry, fp8_t rz, ep_t p); /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 54 using affine * coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point. * @param[in] q - the point to double. * @param[in] p - the affine point to evaluate the line function. */ void pp_dbl_k54_basic(fp54_t l, fp9_t rx, fp9_t ry, ep_t p); /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve with embedding degree 54 using projective * coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point. * @param[in] q - the point to double. * @param[in] p - the affine point to evaluate the line function. */ void pp_dbl_k54_projc(fp54_t l, fp9_t rx, fp9_t ry, fp9_t rz, ep_t p); /** * Doubles a point and evaluates the corresponding line function at another * point on an elliptic curve twist with embedding degree 12 using projective * coordinates. * * @param[out] l - the result of the evaluation. * @param[in, out] r - the resulting point. * @param[in] p - the point to double. * @param[in] q - the affine point to evaluate the line function. */ void pp_dbl_lit_k12(fp12_t l, ep_t r, ep_t p, ep2_t q); /** * Computes the final exponentiation for a pairing defined over curves of * embedding degree 2. Computes c = a^(p^2 - 1)/r. * * @param[out] c - the result. * @param[in] a - the extension field element to exponentiate. */ void pp_exp_k2(fp2_t c, fp2_t a); /** * Computes the final exponentiation for a pairing defined over curves of * embedding degree 8. Computes c = a^(p^8 - 1)/r. * * @param[out] c - the result. * @param[in] a - the extension field element to exponentiate. */ void pp_exp_k8(fp8_t c, fp8_t a); /** * Computes the final exponentiation for a pairing defined over curves of * embedding degree 12. Computes c = a^(p^12 - 1)/r. * * @param[out] c - the result. * @param[in] a - the extension field element to exponentiate. */ void pp_exp_k12(fp12_t c, fp12_t a); /** * Computes the final exponentiation for a pairing defined over curves of * embedding degree 48. Computes c = a^(p^48 - 1)/r. * * @param[out] c - the result. * @param[in] a - the extension field element to exponentiate. */ void pp_exp_k48(fp48_t c, fp48_t a); /** * Computes the final exponentiation for a pairing defined over curves of * embedding degree 54. Computes c = a^(p^54 - 1)/r. * * @param[out] c - the result. * @param[in] a - the extension field element to exponentiate. */ void pp_exp_k54(fp54_t c, fp54_t a); /** * Normalizes the accumulator point used inside pairing computation defined * over curves of embedding degree 2. * * @param[out] r - the resulting point. * @param[in] p - the point to normalize. */ void pp_norm_k2(ep_t c, ep_t a); /** * Normalizes the accumulator point used inside pairing computation defined * over curves of embedding degree 8. * * @param[out] r - the resulting point. * @param[in] p - the point to normalize. */ void pp_norm_k8(ep2_t c, ep2_t a); /** * Normalizes the accumulator point used inside pairing computation defined * over curves of embedding degree 12. * * @param[out] r - the resulting point. * @param[in] p - the point to normalize. */ void pp_norm_k12(ep2_t c, ep2_t a); /** * Computes the Tate pairing of two points in a parameterized elliptic curve * with embedding degree 12. * * @param[out] r - the result. * @param[in] q - the first elliptic curve point. * @param[in] p - the second elliptic curve point. */ void pp_map_tatep_k2(fp2_t r, ep_t p, ep_t q); /** * Computes the Tate multi-pairing of in a parameterized elliptic curve with * embedding degree 2. * * @param[out] r - the result. * @param[in] q - the first pairing arguments. * @param[in] p - the second pairing arguments. * @param[in] m - the number of pairings to evaluate. */ void pp_map_sim_tatep_k2(fp2_t r, ep_t *p, ep_t *q, int m); /** * Computes the Weil pairing of two points in a parameterized elliptic curve * with embedding degree 2. * * @param[out] r - the result. * @param[in] q - the first elliptic curve point. * @param[in] p - the second elliptic curve point. */ void pp_map_weilp_k2(fp2_t r, ep_t p, ep_t q); /** * Computes the optimal ate pairing of two points in a parameterized elliptic * curve with embedding degree 8. * * @param[out] r - the result. * @param[in] q - the first elliptic curve point. * @param[in] p - the second elliptic curve point. */ void pp_map_oatep_k8(fp8_t r, ep_t p, ep2_t q); /** * Computes the Weil multi-pairing of in a parameterized elliptic curve with * embedding degree 2. * * @param[out] r - the result. * @param[in] q - the first pairing arguments. * @param[in] p - the second pairing arguments. * @param[in] m - the number of pairings to evaluate. */ void pp_map_sim_weilp_k2(fp2_t r, ep_t *p, ep_t *q, int m); /** * Computes the Tate pairing of two points in a parameterized elliptic curve * with embedding degree 12. * * @param[out] r - the result. * @param[in] q - the first elliptic curve point. * @param[in] p - the second elliptic curve point. */ void pp_map_tatep_k12(fp12_t r, ep_t p, ep2_t q); /** * Computes the Tate multi-pairing of in a parameterized elliptic curve with * embedding degree 12. * * @param[out] r - the result. * @param[in] q - the first pairing arguments. * @param[in] p - the second pairing arguments. * @param[in] m - the number of pairings to evaluate. */ void pp_map_sim_tatep_k12(fp12_t r, ep_t *p, ep2_t *q, int m); /** * Computes the Weil pairing of two points in a parameterized elliptic curve * with embedding degree 12. * * @param[out] r - the result. * @param[in] q - the first elliptic curve point. * @param[in] p - the second elliptic curve point. */ void pp_map_weilp_k12(fp12_t r, ep_t p, ep2_t q); /** * Computes the Weil multi-pairing of in a parameterized elliptic curve with * embedding degree 12. * * @param[out] r - the result. * @param[in] q - the first pairing arguments. * @param[in] p - the second pairing arguments. * @param[in] m - the number of pairings to evaluate. */ void pp_map_sim_weilp_k12(fp12_t r, ep_t *p, ep2_t *q, int m); /** * Computes the optimal ate pairing of two points in a parameterized elliptic * curve with embedding degree 12. * * @param[out] r - the result. * @param[in] q - the first elliptic curve point. * @param[in] p - the second elliptic curve point. */ void pp_map_oatep_k12(fp12_t r, ep_t p, ep2_t q); /** * Computes the optimal ate multi-pairing of in a parameterized elliptic * curve with embedding degree 12. * * @param[out] r - the result. * @param[in] q - the first pairing arguments. * @param[in] p - the second pairing arguments. * @param[in] m - the number of pairings to evaluate. */ void pp_map_sim_oatep_k12(fp12_t r, ep_t *p, ep2_t *q, int m); /** * Computes the Optimal Ate pairing of two points in a parameterized elliptic * curve with embedding degree 48. * * @param[out] r - the result. * @param[in] q - the first elliptic curve point. * @param[in] p - the second elliptic curve point. */ void pp_map_k48(fp48_t r, ep_t p, fp8_t qx, fp8_t qy); /** * Computes the Optimal Ate pairing of two points in a parameterized elliptic * curve with embedding degree 54. * * @param[out] r - the result. * @param[in] q - the first elliptic curve point. * @param[in] p - the second elliptic curve point. */ void pp_map_k54(fp54_t r, ep_t p, fp9_t qx, fp9_t qy); #endif /* !RLC_PP_H */