ecp_internal_alt.h

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/*
 *  Copyright The Mbed TLS Contributors
 *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 */
 
/*
 * References:
 *
 * [1] BERNSTEIN, Daniel J. Curve25519: new Diffie-Hellman speed records.
 *     <http://cr.yp.to/ecdh/curve25519-20060209.pdf>
 *
 * [2] CORON, Jean-S'ebastien. Resistance against differential power analysis
 *     for elliptic curve cryptosystems. In : Cryptographic Hardware and
 *     Embedded Systems. Springer Berlin Heidelberg, 1999. p. 292-302.
 *     <http://link.springer.com/chapter/10.1007/3-540-48059-5_25>
 *
 * [3] HEDABOU, Mustapha, PINEL, Pierre, et B'EN'ETEAU, Lucien. A comb method to
 *     render ECC resistant against Side Channel Attacks. IACR Cryptology
 *     ePrint Archive, 2004, vol. 2004, p. 342.
 *     <http://eprint.iacr.org/2004/342.pdf>
 *
 * [4] Certicom Research. SEC 2: Recommended Elliptic Curve Domain Parameters.
 *     <http://www.secg.org/sec2-v2.pdf>
 *
 * [5] HANKERSON, Darrel, MENEZES, Alfred J., VANSTONE, Scott. Guide to Elliptic
 *     Curve Cryptography.
 *
 * [6] Digital Signature Standard (DSS), FIPS 186-4.
 *     <http://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.186-4.pdf>
 *
 * [7] Elliptic Curve Cryptography (ECC) Cipher Suites for Transport Layer
 *     Security (TLS), RFC 4492.
 *     <https://tools.ietf.org/search/rfc4492>
 *
 * [8] <http://www.hyperelliptic.org/EFD/g1p/auto-shortw-jacobian.html>
 *
 * [9] COHEN, Henri. A Course in Computational Algebraic Number Theory.
 *     Springer Science & Business Media, 1 Aug 2000
 */
 
#ifndef MBEDTLS_ECP_INTERNAL_H
#define MBEDTLS_ECP_INTERNAL_H
 
#include "mbedtls/build_info.h"
 
#if defined(MBEDTLS_ECP_INTERNAL_ALT)
 
unsigned char mbedtls_internal_ecp_grp_capable(const mbedtls_ecp_group *grp);
 
int mbedtls_internal_ecp_init(const mbedtls_ecp_group *grp);
 
void mbedtls_internal_ecp_free(const mbedtls_ecp_group *grp);
 
#if defined(MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED)
 
#if defined(MBEDTLS_ECP_RANDOMIZE_JAC_ALT)
int mbedtls_internal_ecp_randomize_jac(const mbedtls_ecp_group *grp,
                                       mbedtls_ecp_point *pt, int (*f_rng)(void *,
                                                                           unsigned char *,
                                                                           size_t),
                                       void *p_rng);
#endif
 
#if defined(MBEDTLS_ECP_ADD_MIXED_ALT)
int mbedtls_internal_ecp_add_mixed(const mbedtls_ecp_group *grp,
                                   mbedtls_ecp_point *R, const mbedtls_ecp_point *P,
                                   const mbedtls_ecp_point *Q);
#endif
 
#if defined(MBEDTLS_ECP_DOUBLE_JAC_ALT)
int mbedtls_internal_ecp_double_jac(const mbedtls_ecp_group *grp,
                                    mbedtls_ecp_point *R, const mbedtls_ecp_point *P);
#endif
 
#if defined(MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT)
int mbedtls_internal_ecp_normalize_jac_many(const mbedtls_ecp_group *grp,
                                            mbedtls_ecp_point *T[], size_t t_len);
#endif
 
#if defined(MBEDTLS_ECP_NORMALIZE_JAC_ALT)
int mbedtls_internal_ecp_normalize_jac(const mbedtls_ecp_group *grp,
                                       mbedtls_ecp_point *pt);
#endif
 
#endif /* MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED */
 
#if defined(MBEDTLS_ECP_MONTGOMERY_ENABLED)
 
#if defined(MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT)
int mbedtls_internal_ecp_double_add_mxz(const mbedtls_ecp_group *grp,
                                        mbedtls_ecp_point *R,
                                        mbedtls_ecp_point *S,
                                        const mbedtls_ecp_point *P,
                                        const mbedtls_ecp_point *Q,
                                        const mbedtls_mpi *d);
#endif
 
#if defined(MBEDTLS_ECP_RANDOMIZE_MXZ_ALT)
int mbedtls_internal_ecp_randomize_mxz(const mbedtls_ecp_group *grp,
                                       mbedtls_ecp_point *P, int (*f_rng)(void *,
                                                                          unsigned char *,
                                                                          size_t),
                                       void *p_rng);
#endif
 
#if defined(MBEDTLS_ECP_NORMALIZE_MXZ_ALT)
int mbedtls_internal_ecp_normalize_mxz(const mbedtls_ecp_group *grp,
                                       mbedtls_ecp_point *P);
#endif
 
#endif /* MBEDTLS_ECP_MONTGOMERY_ENABLED */
 
#endif /* MBEDTLS_ECP_INTERNAL_ALT */
 
#endif /* ecp_internal_alt.h */