/* ecc.h * * Copyright (C) 2006-2014 wolfSSL Inc. * * This file is part of CyaSSL. * * CyaSSL is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * CyaSSL 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 * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */ #ifdef HAVE_ECC #ifndef CTAO_CRYPT_ECC_H #define CTAO_CRYPT_ECC_H #include /* for ecc reverse compatibility */ #ifdef HAVE_ECC #define ecc_make_key wc_ecc_make_key #define ecc_shared_secret wc_ecc_shared_secret #define ecc_sign_hash wc_ecc_sign_hash #define ecc_verify_hash wc_ecc_verify_hash #define ecc_init wc_ecc_init #define ecc_free wc_ecc_free #define ecc_fp_free wc_ecc_fp_free #define ecc_export_x963 wc_ecc_export_x963 #define ecc_size wc_ecc_size #define ecc_sig_size wc_ecc_sig_size #define ecc_export_x963_ex wc_ecc_export_x963_ex #define ecc_import_x963 wc_ecc_import_x963 #define ecc_import_private_key wc_ecc_import_private_key #define ecc_rs_to_sig wc_ecc_rs_to_sig #define ecc_import_raw wc_ecc_import_raw #define ecc_export_private_only wc_ecc_export_private_only #ifdef HAVE_ECC_ENCRYPT /* ecc encrypt */ #define ecc_ctx_new wc_ecc_ctx_new #define ecc_ctx_free wc_ecc_ctx_free #define ecc_ctx_reset wc_ecc_ctx_reset #define ecc_ctx_get_own_salt wc_ecc_ctx_get_own_salt #define ecc_ctx_set_peer_salt wc_ecc_ctx_set_peer_salt #define ecc_ctx_set_info wc_ecc_ctx_set_info #define ecc_encrypt wc_ecc_encrypt #define ecc_decrypt wc_ecc_decrypt #endif /* HAVE_ECC_ENCRYPT */ #endif // //#include //#include //#include // //#ifdef __cplusplus // extern "C" { //#endif // // //enum { // ECC_PUBLICKEY = 1, // ECC_PRIVATEKEY = 2, // ECC_MAXNAME = 16, /* MAX CURVE NAME LENGTH */ // SIG_HEADER_SZ = 6, /* ECC signature header size */ // ECC_BUFSIZE = 256, /* for exported keys temp buffer */ // ECC_MINSIZE = 20, /* MIN Private Key size */ // ECC_MAXSIZE = 66 /* MAX Private Key size */ //}; // // ///* ECC set type defined a NIST GF(p) curve */ //typedef struct { // int size; /* The size of the curve in octets */ // const char* name; /* name of this curve */ // const char* prime; /* prime that defines the field, curve is in (hex) */ // const char* Af; /* fields A param (hex) */ // const char* Bf; /* fields B param (hex) */ // const char* order; /* order of the curve (hex) */ // const char* Gx; /* x coordinate of the base point on curve (hex) */ // const char* Gy; /* y coordinate of the base point on curve (hex) */ //} ecc_set_type; // // ///* A point on an ECC curve, stored in Jacbobian format such that (x,y,z) => // (x/z^2, y/z^3, 1) when interpreted as affine */ //typedef struct { // mp_int x; /* The x coordinate */ // mp_int y; /* The y coordinate */ // mp_int z; /* The z coordinate */ //} ecc_point; // // ///* An ECC Key */ //typedef struct { // int type; /* Public or Private */ // int idx; /* Index into the ecc_sets[] for the parameters of // this curve if -1, this key is using user supplied // curve in dp */ // const ecc_set_type* dp; /* domain parameters, either points to NIST // curves (idx >= 0) or user supplied */ // ecc_point pubkey; /* public key */ // mp_int k; /* private key */ //} ecc_key; // // ///* ECC predefined curve sets */ //extern const ecc_set_type ecc_sets[]; // // //CYASSL_API //int ecc_make_key(RNG* rng, int keysize, ecc_key* key); //CYASSL_API //int ecc_shared_secret(ecc_key* private_key, ecc_key* public_key, byte* out, // word32* outlen); //CYASSL_API //int ecc_sign_hash(const byte* in, word32 inlen, byte* out, word32 *outlen, // RNG* rng, ecc_key* key); //CYASSL_API //int ecc_verify_hash(const byte* sig, word32 siglen, const byte* hash, // word32 hashlen, int* stat, ecc_key* key); //CYASSL_API //void ecc_init(ecc_key* key); //CYASSL_API //void ecc_free(ecc_key* key); //CYASSL_API //void ecc_fp_free(void); // // ///* ASN key helpers */ //CYASSL_API //int ecc_export_x963(ecc_key*, byte* out, word32* outLen); //CYASSL_API //int ecc_export_x963_ex(ecc_key*, byte* out, word32* outLen, int compressed); // /* extended functionality with compressed option */ //CYASSL_API //int ecc_import_x963(const byte* in, word32 inLen, ecc_key* key); //CYASSL_API //int ecc_import_private_key(const byte* priv, word32 privSz, const byte* pub, // word32 pubSz, ecc_key* key); //CYASSL_API //int ecc_rs_to_sig(const char* r, const char* s, byte* out, word32* outlen); //CYASSL_API //int ecc_import_raw(ecc_key* key, const char* qx, const char* qy, // const char* d, const char* curveName); // //CYASSL_API //int ecc_export_private_only(ecc_key* key, byte* out, word32* outLen); // ///* size helper */ //CYASSL_API //int ecc_size(ecc_key* key); //CYASSL_API //int ecc_sig_size(ecc_key* key); // // //#ifdef HAVE_ECC_ENCRYPT ///* ecc encrypt */ // //enum ecEncAlgo { // ecAES_128_CBC = 1, /* default */ // ecAES_256_CBC = 2 //}; // //enum ecKdfAlgo { // ecHKDF_SHA256 = 1, /* default */ // ecHKDF_SHA1 = 2 //}; // //enum ecMacAlgo { // ecHMAC_SHA256 = 1, /* default */ // ecHMAC_SHA1 = 2 //}; // //enum { // KEY_SIZE_128 = 16, // KEY_SIZE_256 = 32, // IV_SIZE_64 = 8, // EXCHANGE_SALT_SZ = 16, // EXCHANGE_INFO_SZ = 23 //}; // //enum ecFlags { // REQ_RESP_CLIENT = 1, // REQ_RESP_SERVER = 2 //}; // // //typedef struct ecEncCtx ecEncCtx; // //CYASSL_API //ecEncCtx* ecc_ctx_new(int flags, RNG* rng); //CYASSL_API //void ecc_ctx_free(ecEncCtx*); //CYASSL_API //int ecc_ctx_reset(ecEncCtx*, RNG*); /* reset for use again w/o alloc/free */ // //CYASSL_API //const byte* ecc_ctx_get_own_salt(ecEncCtx*); //CYASSL_API //int ecc_ctx_set_peer_salt(ecEncCtx*, const byte* salt); //CYASSL_API //int ecc_ctx_set_info(ecEncCtx*, const byte* info, int sz); // //CYASSL_API //int ecc_encrypt(ecc_key* privKey, ecc_key* pubKey, const byte* msg, // word32 msgSz, byte* out, word32* outSz, ecEncCtx* ctx); //CYASSL_API //int ecc_decrypt(ecc_key* privKey, ecc_key* pubKey, const byte* msg, // word32 msgSz, byte* out, word32* outSz, ecEncCtx* ctx); // //#endif /* HAVE_ECC_ENCRYPT */ #ifdef __cplusplus } /* extern "C" */ #endif #endif /* CTAO_CRYPT_ECC_H */ #endif /* HAVE_ECC */