ecp_internal.h

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/*
 * 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

#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(ECP_SHORTWEIERSTRASS)

#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 /* ECP_SHORTWEIERSTRASS */

#if defined(ECP_MONTGOMERY)

#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 /* ECP_MONTGOMERY */

#endif /* MBEDTLS_ECP_INTERNAL_ALT */

#endif /* ecp_internal.h */