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usbloadergx/source/libs/libwolfssl/wolfcrypt/ed25519.h
wiidev 8e2da2585f Update wolfSSL
2023-01-01 17:00:36 +00:00

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/* ed25519.h
*
* Copyright (C) 2006-2022 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 <libs/libwolfssl/wolfcrypt/types.h>
#ifdef HAVE_ED25519
#include <libs/libwolfssl/wolfcrypt/fe_operations.h>
#include <libs/libwolfssl/wolfcrypt/ge_operations.h>
#include <libs/libwolfssl/wolfcrypt/random.h>
#ifndef WOLFSSL_SHA512
#error ED25519 requires SHA512
#endif
#include <libs/libwolfssl/wolfcrypt/sha512.h>
#ifdef WOLFSSL_ASYNC_CRYPT
#include <libs/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
/* ED25519 Flags */
enum {
WC_ED25519_FLAG_NONE = 0x00,
WC_ED25519_FLAG_DEC_SIGN = 0x01,
};
/* 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
#ifdef WOLFSSL_SE050
word32 keyId;
word32 flags;
byte keyIdSet;
#endif
word16 privKeySet:1;
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* res, ed25519_key* key);
WOLFSSL_API
int wc_ed25519ctx_verify_msg(const byte* sig, word32 sigLen, const byte* msg,
word32 msgLen, int* res, 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* res, 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* res, 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_public_ex(const byte* in, word32 inLen, ed25519_key* key,
int trusted);
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);
WOLFSSL_API
int wc_ed25519_import_private_key_ex(const byte* priv, word32 privSz,
const byte* pub, word32 pubSz, ed25519_key* key, int trusted);
#endif /* HAVE_ED25519_KEY_IMPORT */
#ifdef HAVE_ED25519_KEY_EXPORT
WOLFSSL_API
int wc_ed25519_export_public(ed25519_key* 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 */
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