mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-12-27 12:21:57 +01:00
213 lines
7.1 KiB
C
213 lines
7.1 KiB
C
/* ed25519.h
|
|
*
|
|
* Copyright (C) 2006-2021 wolfSSL Inc.
|
|
*
|
|
* This file is part of wolfSSL.
|
|
*
|
|
* wolfSSL 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.
|
|
*
|
|
* wolfSSL 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 02110-1335, USA
|
|
*/
|
|
|
|
/*!
|
|
\file wolfssl/wolfcrypt/ed25519.h
|
|
*/
|
|
|
|
|
|
#ifndef WOLF_CRYPT_ED25519_H
|
|
#define WOLF_CRYPT_ED25519_H
|
|
|
|
#include <libwolfssl/wolfcrypt/types.h>
|
|
|
|
#ifdef HAVE_ED25519
|
|
|
|
#include <libwolfssl/wolfcrypt/fe_operations.h>
|
|
#include <libwolfssl/wolfcrypt/ge_operations.h>
|
|
#include <libwolfssl/wolfcrypt/random.h>
|
|
#ifndef WOLFSSL_SHA512
|
|
#error ED25519 requires SHA512
|
|
#endif
|
|
#include <libwolfssl/wolfcrypt/sha512.h>
|
|
|
|
#ifdef WOLFSSL_ASYNC_CRYPT
|
|
#include <libwolfssl/wolfcrypt/async.h>
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
/* info about EdDSA curve specifically ed25519, defined as an elliptic curve
|
|
over GF(p) */
|
|
/*
|
|
32, key size
|
|
"ED25519", curve name
|
|
"2^255-19", prime number
|
|
"SHA512", hash function
|
|
"-121665/121666", value of d
|
|
*/
|
|
|
|
#define ED25519_KEY_SIZE 32 /* private key only */
|
|
#define ED25519_SIG_SIZE 64
|
|
|
|
#define ED25519_PUB_KEY_SIZE 32 /* compressed */
|
|
/* both private and public key */
|
|
#define ED25519_PRV_KEY_SIZE (ED25519_PUB_KEY_SIZE+ED25519_KEY_SIZE)
|
|
|
|
|
|
enum {
|
|
Ed25519 = -1,
|
|
Ed25519ctx = 0,
|
|
Ed25519ph = 1,
|
|
};
|
|
|
|
#ifndef WC_ED25519KEY_TYPE_DEFINED
|
|
typedef struct ed25519_key ed25519_key;
|
|
#define WC_ED25519KEY_TYPE_DEFINED
|
|
#endif
|
|
|
|
/* An ED25519 Key */
|
|
struct ed25519_key {
|
|
byte p[ED25519_PUB_KEY_SIZE]; /* compressed public key */
|
|
byte k[ED25519_PRV_KEY_SIZE]; /* private key : 32 secret -- 32 public */
|
|
#ifdef FREESCALE_LTC_ECC
|
|
/* uncompressed point coordinates */
|
|
byte pointX[ED25519_KEY_SIZE]; /* recovered X coordinate */
|
|
byte pointY[ED25519_KEY_SIZE]; /* Y coordinate is the public key with The most significant bit of the final octet always zero. */
|
|
#endif
|
|
word16 pubKeySet:1;
|
|
#ifdef WOLFSSL_ASYNC_CRYPT
|
|
WC_ASYNC_DEV asyncDev;
|
|
#endif
|
|
#if defined(WOLF_CRYPTO_CB)
|
|
int devId;
|
|
#endif
|
|
void *heap;
|
|
#ifdef WOLFSSL_ED25519_PERSISTENT_SHA
|
|
wc_Sha512 sha;
|
|
int sha_clean_flag;
|
|
#endif
|
|
};
|
|
|
|
|
|
WOLFSSL_API
|
|
int wc_ed25519_make_public(ed25519_key* key, unsigned char* pubKey,
|
|
word32 pubKeySz);
|
|
WOLFSSL_API
|
|
int wc_ed25519_make_key(WC_RNG* rng, int keysize, ed25519_key* key);
|
|
#ifdef HAVE_ED25519_SIGN
|
|
WOLFSSL_API
|
|
int wc_ed25519_sign_msg(const byte* in, word32 inLen, byte* out,
|
|
word32 *outLen, ed25519_key* key);
|
|
WOLFSSL_API
|
|
int wc_ed25519ctx_sign_msg(const byte* in, word32 inLen, byte* out,
|
|
word32 *outLen, ed25519_key* key,
|
|
const byte* context, byte contextLen);
|
|
WOLFSSL_API
|
|
int wc_ed25519ph_sign_hash(const byte* hash, word32 hashLen, byte* out,
|
|
word32 *outLen, ed25519_key* key,
|
|
const byte* context, byte contextLen);
|
|
WOLFSSL_API
|
|
int wc_ed25519ph_sign_msg(const byte* in, word32 inLen, byte* out,
|
|
word32 *outLen, ed25519_key* key, const byte* context,
|
|
byte contextLen);
|
|
WOLFSSL_API
|
|
int wc_ed25519_sign_msg_ex(const byte* in, word32 inLen, byte* out,
|
|
word32 *outLen, ed25519_key* key, byte type,
|
|
const byte* context, byte contextLen);
|
|
#endif /* HAVE_ED25519_SIGN */
|
|
#ifdef HAVE_ED25519_VERIFY
|
|
WOLFSSL_API
|
|
int wc_ed25519_verify_msg(const byte* sig, word32 sigLen, const byte* msg,
|
|
word32 msgLen, int* stat, ed25519_key* key);
|
|
WOLFSSL_API
|
|
int wc_ed25519ctx_verify_msg(const byte* sig, word32 sigLen, const byte* msg,
|
|
word32 msgLen, int* stat, ed25519_key* key,
|
|
const byte* context, byte contextLen);
|
|
WOLFSSL_API
|
|
int wc_ed25519ph_verify_hash(const byte* sig, word32 sigLen, const byte* hash,
|
|
word32 hashLen, int* stat, ed25519_key* key,
|
|
const byte* context, byte contextLen);
|
|
WOLFSSL_API
|
|
int wc_ed25519ph_verify_msg(const byte* sig, word32 sigLen, const byte* msg,
|
|
word32 msgLen, int* stat, ed25519_key* key,
|
|
const byte* context, byte contextLen);
|
|
WOLFSSL_API
|
|
int wc_ed25519_verify_msg_ex(const byte* sig, word32 sigLen, const byte* msg,
|
|
word32 msgLen, int* res, ed25519_key* key,
|
|
byte type, const byte* context, byte contextLen);
|
|
#ifdef WOLFSSL_ED25519_STREAMING_VERIFY
|
|
WOLFSSL_API
|
|
int wc_ed25519_verify_msg_init(const byte* sig, word32 sigLen, ed25519_key* key,
|
|
byte type, const byte* context, byte contextLen);
|
|
WOLFSSL_API
|
|
int wc_ed25519_verify_msg_update(const byte* msgSegment, word32 msgSegmentLen,
|
|
ed25519_key* key);
|
|
WOLFSSL_API
|
|
int wc_ed25519_verify_msg_final(const byte* sig, word32 sigLen, int* res,
|
|
ed25519_key* key);
|
|
#endif /* WOLFSSL_ED25519_STREAMING_VERIFY */
|
|
#endif /* HAVE_ED25519_VERIFY */
|
|
|
|
|
|
WOLFSSL_API
|
|
int wc_ed25519_init(ed25519_key* key);
|
|
WOLFSSL_API
|
|
int wc_ed25519_init_ex(ed25519_key* key, void* heap, int devId);
|
|
WOLFSSL_API
|
|
void wc_ed25519_free(ed25519_key* key);
|
|
#ifdef HAVE_ED25519_KEY_IMPORT
|
|
WOLFSSL_API
|
|
int wc_ed25519_import_public(const byte* in, word32 inLen, ed25519_key* key);
|
|
WOLFSSL_API
|
|
int wc_ed25519_import_private_only(const byte* priv, word32 privSz,
|
|
ed25519_key* key);
|
|
WOLFSSL_API
|
|
int wc_ed25519_import_private_key(const byte* priv, word32 privSz,
|
|
const byte* pub, word32 pubSz, ed25519_key* key);
|
|
#endif /* HAVE_ED25519_KEY_IMPORT */
|
|
|
|
#ifdef HAVE_ED25519_KEY_EXPORT
|
|
WOLFSSL_API
|
|
int wc_ed25519_export_public(ed25519_key*, byte* out, word32* outLen);
|
|
WOLFSSL_API
|
|
int wc_ed25519_export_private_only(ed25519_key* key, byte* out, word32* outLen);
|
|
WOLFSSL_API
|
|
int wc_ed25519_export_private(ed25519_key* key, byte* out, word32* outLen);
|
|
WOLFSSL_API
|
|
int wc_ed25519_export_key(ed25519_key* key,
|
|
byte* priv, word32 *privSz,
|
|
byte* pub, word32 *pubSz);
|
|
#endif /* HAVE_ED25519_KEY_EXPORT */
|
|
|
|
WOLFSSL_API
|
|
int wc_ed25519_check_key(ed25519_key* key);
|
|
|
|
/* size helper */
|
|
WOLFSSL_API
|
|
int wc_ed25519_size(ed25519_key* key);
|
|
WOLFSSL_API
|
|
int wc_ed25519_priv_size(ed25519_key* key);
|
|
WOLFSSL_API
|
|
int wc_ed25519_pub_size(ed25519_key* key);
|
|
WOLFSSL_API
|
|
int wc_ed25519_sig_size(ed25519_key* key);
|
|
|
|
#ifdef __cplusplus
|
|
} /* extern "C" */
|
|
#endif
|
|
|
|
#endif /* HAVE_ED25519 */
|
|
#endif /* WOLF_CRYPT_ED25519_H */
|