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/* cryptocb.h
*
* Copyright (C) 2006-2020 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef _WOLF_CRYPTO_CB_H_
#define _WOLF_CRYPTO_CB_H_
#include <wolfssl/wolfcrypt/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Defines the Crypto Callback interface version, for compatibility */
/* Increment this when Crypto Callback interface changes are made */
#define CRYPTO_CB_VER 2
#ifdef WOLF_CRYPTO_CB
#ifndef NO_RSA
#include <wolfssl/wolfcrypt/rsa.h>
#endif
#ifdef HAVE_ECC
#include <wolfssl/wolfcrypt/ecc.h>
#endif
#ifndef NO_AES
#include <wolfssl/wolfcrypt/aes.h>
#endif
#ifndef NO_SHA
#include <wolfssl/wolfcrypt/sha.h>
#endif
#ifndef NO_SHA256
#include <wolfssl/wolfcrypt/sha256.h>
#endif
#ifndef NO_HMAC
#include <wolfssl/wolfcrypt/hmac.h>
#endif
#ifndef WC_NO_RNG
#include <wolfssl/wolfcrypt/random.h>
#endif
#ifndef NO_DES3
#include <wolfssl/wolfcrypt/des3.h>
#endif
/* Crypto Information Structure for callbacks */
typedef struct wc_CryptoInfo {
int algo_type; /* enum wc_AlgoType */
#if !defined(NO_RSA) || defined(HAVE_ECC)
struct {
int type; /* enum wc_PkType */
union {
#ifndef NO_RSA
struct {
const byte* in;
word32 inLen;
byte* out;
word32* outLen;
int type;
RsaKey* key;
WC_RNG* rng;
} rsa;
#ifdef WOLFSSL_KEY_GEN
struct {
RsaKey* key;
int size;
long e;
WC_RNG* rng;
} rsakg;
#endif
#endif
#ifdef HAVE_ECC
struct {
WC_RNG* rng;
int size;
ecc_key* key;
int curveId;
} eckg;
struct {
ecc_key* private_key;
ecc_key* public_key;
byte* out;
word32* outlen;
} ecdh;
struct {
const byte* in;
word32 inlen;
byte* out;
word32* outlen;
WC_RNG* rng;
ecc_key* key;
} eccsign;
struct {
const byte* sig;
word32 siglen;
const byte* hash;
word32 hashlen;
int* res;
ecc_key* key;
} eccverify;
#endif
};
} pk;
#endif /* !NO_RSA || HAVE_ECC */
#if !defined(NO_AES) || !defined(NO_DES3)
struct {
int type; /* enum wc_CipherType */
int enc;
union {
#ifdef HAVE_AESGCM
struct {
Aes* aes;
byte* out;
const byte* in;
word32 sz;
const byte* iv;
word32 ivSz;
byte* authTag;
word32 authTagSz;
const byte* authIn;
word32 authInSz;
} aesgcm_enc;
struct {
Aes* aes;
byte* out;
const byte* in;
word32 sz;
const byte* iv;
word32 ivSz;
const byte* authTag;
word32 authTagSz;
const byte* authIn;
word32 authInSz;
} aesgcm_dec;
#endif /* HAVE_AESGCM */
#ifdef HAVE_AES_CBC
struct {
Aes* aes;
byte* out;
const byte* in;
word32 sz;
} aescbc;
#endif /* HAVE_AES_CBC */
#ifndef NO_DES3
struct {
Des3* des;
byte* out;
const byte* in;
word32 sz;
} des3;
#endif
};
} cipher;
#endif /* !NO_AES || !NO_DES3 */
#if !defined(NO_SHA) || !defined(NO_SHA256)
struct {
int type; /* enum wc_HashType */
const byte* in;
word32 inSz;
byte* digest;
union {
#ifndef NO_SHA
wc_Sha* sha1;
#endif
#ifndef NO_SHA256
wc_Sha256* sha256;
#endif
};
} hash;
#endif /* !NO_SHA || !NO_SHA256 */
#ifndef NO_HMAC
struct {
int macType; /* enum wc_HashType */
const byte* in;
word32 inSz;
byte* digest;
Hmac* hmac;
} hmac;
#endif
#ifndef WC_NO_RNG
struct {
WC_RNG* rng;
byte* out;
word32 sz;
} rng;
struct {
OS_Seed* os;
byte* seed;
word32 sz;
} seed;
#endif
} wc_CryptoInfo;
typedef int (*CryptoDevCallbackFunc)(int devId, wc_CryptoInfo* info, void* ctx);
WOLFSSL_LOCAL void wc_CryptoCb_Init(void);
WOLFSSL_API int wc_CryptoCb_RegisterDevice(int devId, CryptoDevCallbackFunc cb, void* ctx);
WOLFSSL_API void wc_CryptoCb_UnRegisterDevice(int devId);
/* old function names */
#define wc_CryptoDev_RegisterDevice wc_CryptoCb_RegisterDevice
#define wc_CryptoDev_UnRegisterDevice wc_CryptoCb_UnRegisterDevice
#ifndef NO_RSA
WOLFSSL_LOCAL int wc_CryptoCb_Rsa(const byte* in, word32 inLen, byte* out,
word32* outLen, int type, RsaKey* key, WC_RNG* rng);
#ifdef WOLFSSL_KEY_GEN
WOLFSSL_LOCAL int wc_CryptoCb_MakeRsaKey(RsaKey* key, int size, long e,
WC_RNG* rng);
#endif /* WOLFSSL_KEY_GEN */
#endif /* !NO_RSA */
#ifdef HAVE_ECC
WOLFSSL_LOCAL int wc_CryptoCb_MakeEccKey(WC_RNG* rng, int keySize,
ecc_key* key, int curveId);
WOLFSSL_LOCAL int wc_CryptoCb_Ecdh(ecc_key* private_key, ecc_key* public_key,
byte* out, word32* outlen);
WOLFSSL_LOCAL int wc_CryptoCb_EccSign(const byte* in, word32 inlen, byte* out,
word32 *outlen, WC_RNG* rng, ecc_key* key);
WOLFSSL_LOCAL int wc_CryptoCb_EccVerify(const byte* sig, word32 siglen,
const byte* hash, word32 hashlen, int* res, ecc_key* key);
#endif /* HAVE_ECC */
#ifndef NO_AES
#ifdef HAVE_AESGCM
WOLFSSL_LOCAL int wc_CryptoCb_AesGcmEncrypt(Aes* aes, byte* out,
const byte* in, word32 sz, const byte* iv, word32 ivSz,
byte* authTag, word32 authTagSz, const byte* authIn, word32 authInSz);
WOLFSSL_LOCAL int wc_CryptoCb_AesGcmDecrypt(Aes* aes, byte* out,
const byte* in, word32 sz, const byte* iv, word32 ivSz,
const byte* authTag, word32 authTagSz,
const byte* authIn, word32 authInSz);
#endif /* HAVE_AESGCM */
#ifdef HAVE_AES_CBC
WOLFSSL_LOCAL int wc_CryptoCb_AesCbcEncrypt(Aes* aes, byte* out,
const byte* in, word32 sz);
WOLFSSL_LOCAL int wc_CryptoCb_AesCbcDecrypt(Aes* aes, byte* out,
const byte* in, word32 sz);
#endif /* HAVE_AES_CBC */
#endif /* !NO_AES */
#ifndef NO_DES3
WOLFSSL_LOCAL int wc_CryptoCb_Des3Encrypt(Des3* des3, byte* out,
const byte* in, word32 sz);
WOLFSSL_LOCAL int wc_CryptoCb_Des3Decrypt(Des3* des3, byte* out,
const byte* in, word32 sz);
#endif /* !NO_DES3 */
#ifndef NO_SHA
WOLFSSL_LOCAL int wc_CryptoCb_ShaHash(wc_Sha* sha, const byte* in,
word32 inSz, byte* digest);
#endif /* !NO_SHA */
#ifndef NO_SHA256
WOLFSSL_LOCAL int wc_CryptoCb_Sha256Hash(wc_Sha256* sha256, const byte* in,
word32 inSz, byte* digest);
#endif /* !NO_SHA256 */
#ifndef NO_HMAC
WOLFSSL_LOCAL int wc_CryptoCb_Hmac(Hmac* hmac, int macType, const byte* in,
word32 inSz, byte* digest);
#endif /* !NO_HMAC */
#ifndef WC_NO_RNG
WOLFSSL_LOCAL int wc_CryptoCb_RandomBlock(WC_RNG* rng, byte* out, word32 sz);
WOLFSSL_LOCAL int wc_CryptoCb_RandomSeed(OS_Seed* os, byte* seed, word32 sz);
#endif
#endif /* WOLF_CRYPTO_CB */
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* _WOLF_CRYPTO_CB_H_ */
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