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WiiFlow_Lite/source/libwolfssl/wolfcrypt/aes.h

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/* aes.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/aes.h
*/
/*
DESCRIPTION
This library provides the interfaces to the Advanced Encryption Standard (AES)
for encrypting and decrypting data. AES is the standard known for a symmetric
block cipher mechanism that uses n-bit binary string parameter key with 128-bits,
192-bits, and 256-bits of key sizes.
*/
#ifndef WOLF_CRYPT_AES_H
#define WOLF_CRYPT_AES_H
#include <libwolfssl/wolfcrypt/types.h>
#ifndef NO_AES
#if defined(HAVE_FIPS) && \
defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
#include <libwolfssl/wolfcrypt/fips.h>
#endif /* HAVE_FIPS_VERSION >= 2 */
/* included for fips @wc_fips */
#if defined(HAVE_FIPS) && \
(!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2))
#include <cyassl/ctaocrypt/aes.h>
#if defined(CYASSL_AES_COUNTER) && !defined(WOLFSSL_AES_COUNTER)
#define WOLFSSL_AES_COUNTER
#endif
#if !defined(WOLFSSL_AES_DIRECT) && defined(CYASSL_AES_DIRECT)
#define WOLFSSL_AES_DIRECT
#endif
#endif
#ifndef WC_NO_RNG
#include <libwolfssl/wolfcrypt/random.h>
#endif
#ifdef STM32_CRYPTO
#include <libwolfssl/wolfcrypt/port/st/stm32.h>
#endif
#ifdef WOLFSSL_IMXRT_DCP
#include "fsl_dcp.h"
#endif
#ifdef WOLFSSL_XILINX_CRYPT
#include "xsecure_aes.h"
#endif
#if defined(WOLFSSL_AFALG) || defined(WOLFSSL_AFALG_XILINX_AES)
/* included for struct msghdr */
#include <libwolfssl/wolfcrypt/port/af_alg/wc_afalg.h>
#endif
#if defined(WOLFSSL_DEVCRYPTO_AES) || defined(WOLFSSL_DEVCRYPTO_CBC)
#include <libwolfssl/wolfcrypt/port/devcrypto/wc_devcrypto.h>
#endif
#ifdef WOLFSSL_SILABS_SE_ACCEL
#include <libwolfssl/wolfcrypt/port/silabs/silabs_aes.h>
#endif
#if defined(HAVE_AESGCM) && !defined(WC_NO_RNG)
#include <libwolfssl/wolfcrypt/random.h>
#endif
#if defined(WOLFSSL_CRYPTOCELL)
#include <libwolfssl/wolfcrypt/port/arm/cryptoCell.h>
#endif
#if defined(WOLFSSL_RENESAS_TSIP_TLS) && \
defined(WOLFSSL_RENESAS_TSIP_TLS_AES_CRYPT)
#include <libwolfssl/wolfcrypt/port/Renesas/renesas-tsip-crypt.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
#ifndef WOLFSSL_AES_KEY_SIZE_ENUM
#define WOLFSSL_AES_KEY_SIZE_ENUM
/* these are required for FIPS and non-FIPS */
enum {
AES_128_KEY_SIZE = 16, /* for 128 bit */
AES_192_KEY_SIZE = 24, /* for 192 bit */
AES_256_KEY_SIZE = 32, /* for 256 bit */
AES_IV_SIZE = 16, /* always block size */
};
#endif
/* avoid redefinition of structs */
#if !defined(HAVE_FIPS) || \
(defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2))
#ifdef WOLFSSL_ASYNC_CRYPT
#include <libwolfssl/wolfcrypt/async.h>
#endif
enum {
AES_ENC_TYPE = WC_CIPHER_AES, /* cipher unique type */
AES_ENCRYPTION = 0,
AES_DECRYPTION = 1,
AES_BLOCK_SIZE = 16,
KEYWRAP_BLOCK_SIZE = 8,
GCM_NONCE_MAX_SZ = 16, /* wolfCrypt's maximum nonce size allowed. */
GCM_NONCE_MID_SZ = 12, /* The usual default nonce size for AES-GCM. */
GCM_NONCE_MIN_SZ = 8, /* wolfCrypt's minimum nonce size allowed. */
CCM_NONCE_MIN_SZ = 7,
CCM_NONCE_MAX_SZ = 13,
CTR_SZ = 4,
AES_IV_FIXED_SZ = 4,
#ifdef WOLFSSL_AES_CFB
AES_CFB_MODE = 1,
#endif
#ifdef WOLFSSL_AES_OFB
AES_OFB_MODE = 2,
#endif
#ifdef WOLFSSL_AES_XTS
AES_XTS_MODE = 3,
#endif
#ifdef HAVE_PKCS11
AES_MAX_ID_LEN = 32,
AES_MAX_LABEL_LEN = 32,
#endif
};
struct Aes {
/* AESNI needs key first, rounds 2nd, not sure why yet */
ALIGN16 word32 key[60];
word32 rounds;
int keylen;
ALIGN16 word32 reg[AES_BLOCK_SIZE / sizeof(word32)]; /* for CBC mode */
ALIGN16 word32 tmp[AES_BLOCK_SIZE / sizeof(word32)]; /* same */
#if defined(HAVE_AESGCM) || defined(HAVE_AESCCM)
word32 invokeCtr[2];
word32 nonceSz;
#endif
#ifdef HAVE_AESGCM
ALIGN16 byte H[AES_BLOCK_SIZE];
#ifdef OPENSSL_EXTRA
word32 aadH[4]; /* additional authenticated data GHASH */
word32 aadLen; /* additional authenticated data len */
#endif
#ifdef GCM_TABLE
/* key-based fast multiplication table. */
ALIGN16 byte M0[256][AES_BLOCK_SIZE];
#elif defined(GCM_TABLE_4BIT)
#if defined(BIG_ENDIAN_ORDER) || defined(WC_16BIT_CPU)
ALIGN16 byte M0[16][AES_BLOCK_SIZE];
#else
ALIGN16 byte M0[32][AES_BLOCK_SIZE];
#endif
#endif /* GCM_TABLE */
#ifdef HAVE_CAVIUM_OCTEON_SYNC
word32 y0;
#endif
#endif /* HAVE_AESGCM */
#ifdef WOLFSSL_AESNI
byte use_aesni;
#endif /* WOLFSSL_AESNI */
#ifdef WOLF_CRYPTO_CB
int devId;
void* devCtx;
#endif
#ifdef HAVE_PKCS11
byte id[AES_MAX_ID_LEN];
int idLen;
char label[AES_MAX_LABEL_LEN];
int labelLen;
#endif
#ifdef WOLFSSL_ASYNC_CRYPT
WC_ASYNC_DEV asyncDev;
#endif /* WOLFSSL_ASYNC_CRYPT */
#if defined(WOLFSSL_AES_COUNTER) || defined(WOLFSSL_AES_CFB) || \
defined(WOLFSSL_AES_OFB) || defined(WOLFSSL_AES_XTS)
word32 left; /* unused bytes left from last call */
#endif
#ifdef WOLFSSL_XILINX_CRYPT
XSecure_Aes xilAes;
XCsuDma dma;
word32 key_init[8];
word32 kup;
#endif
#if defined(WOLFSSL_AFALG) || defined(WOLFSSL_AFALG_XILINX_AES)
int alFd; /* server socket to bind to */
int rdFd; /* socket to read from */
struct msghdr msg;
int dir; /* flag for encrpyt or decrypt */
#ifdef WOLFSSL_AFALG_XILINX_AES
word32 msgBuf[CMSG_SPACE(4) + CMSG_SPACE(sizeof(struct af_alg_iv) +
GCM_NONCE_MID_SZ)];
#endif
#endif
#if defined(WOLF_CRYPTO_CB) || (defined(WOLFSSL_DEVCRYPTO) && \
(defined(WOLFSSL_DEVCRYPTO_AES) || defined(WOLFSSL_DEVCRYPTO_CBC))) || \
(defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_AES))
word32 devKey[AES_MAX_KEY_SIZE/WOLFSSL_BIT_SIZE/sizeof(word32)]; /* raw key */
#ifdef HAVE_CAVIUM_OCTEON_SYNC
int keySet;
#endif
#endif
#if defined(WOLFSSL_DEVCRYPTO) && \
(defined(WOLFSSL_DEVCRYPTO_AES) || defined(WOLFSSL_DEVCRYPTO_CBC))
WC_CRYPTODEV ctx;
#endif
#if defined(WOLFSSL_CRYPTOCELL)
aes_context_t ctx;
#endif
#if defined(WOLFSSL_RENESAS_TSIP_TLS) && \
defined(WOLFSSL_RENESAS_TSIP_TLS_AES_CRYPT)
TSIP_AES_CTX ctx;
#endif
#if defined(WOLFSSL_IMXRT_DCP)
dcp_handle_t handle;
#endif
#if defined(WOLFSSL_SILABS_SE_ACCEL)
silabs_aes_t ctx;
#endif
void* heap; /* memory hint to use */
#ifdef WOLFSSL_AESGCM_STREAM
#if !defined(WOLFSSL_SMALL_STACK) || defined(WOLFSSL_AESNI)
ALIGN16 byte streamData[5 * AES_BLOCK_SIZE];
#else
byte* streamData;
#endif
word32 aSz;
word32 cSz;
byte over;
byte aOver;
byte cOver;
byte gcmKeySet:1;
byte nonceSet:1;
byte ctrSet:1;
#endif
};
#ifndef WC_AES_TYPE_DEFINED
typedef struct Aes Aes;
#define WC_AES_TYPE_DEFINED
#endif
#ifdef WOLFSSL_AES_XTS
typedef struct XtsAes {
Aes aes;
Aes tweak;
} XtsAes;
#endif
#ifdef HAVE_AESGCM
typedef struct Gmac {
Aes aes;
} Gmac;
#endif /* HAVE_AESGCM */
#endif /* HAVE_FIPS */
/* Authenticate cipher function prototypes */
typedef int (*wc_AesAuthEncryptFunc)(Aes* aes, byte* out,
const byte* in, word32 sz,
const byte* iv, word32 ivSz,
byte* authTag, word32 authTagSz,
const byte* authIn, word32 authInSz);
typedef int (*wc_AesAuthDecryptFunc)(Aes* aes, byte* out,
const byte* in, word32 sz,
const byte* iv, word32 ivSz,
const byte* authTag, word32 authTagSz,
const byte* authIn, word32 authInSz);
/* AES-CBC */
WOLFSSL_API int wc_AesSetKey(Aes* aes, const byte* key, word32 len,
const byte* iv, int dir);
WOLFSSL_API int wc_AesSetIV(Aes* aes, const byte* iv);
#ifdef HAVE_AES_CBC
WOLFSSL_API int wc_AesCbcEncrypt(Aes* aes, byte* out,
const byte* in, word32 sz);
WOLFSSL_API int wc_AesCbcDecrypt(Aes* aes, byte* out,
const byte* in, word32 sz);
#endif
#ifdef WOLFSSL_AES_CFB
WOLFSSL_API int wc_AesCfbEncrypt(Aes* aes, byte* out,
const byte* in, word32 sz);
WOLFSSL_API int wc_AesCfb1Encrypt(Aes* aes, byte* out,
const byte* in, word32 sz);
WOLFSSL_API int wc_AesCfb8Encrypt(Aes* aes, byte* out,
const byte* in, word32 sz);
#ifdef HAVE_AES_DECRYPT
WOLFSSL_API int wc_AesCfbDecrypt(Aes* aes, byte* out,
const byte* in, word32 sz);
WOLFSSL_API int wc_AesCfb1Decrypt(Aes* aes, byte* out,
const byte* in, word32 sz);
WOLFSSL_API int wc_AesCfb8Decrypt(Aes* aes, byte* out,
const byte* in, word32 sz);
#endif /* HAVE_AES_DECRYPT */
#endif /* WOLFSSL_AES_CFB */
#ifdef WOLFSSL_AES_OFB
WOLFSSL_API int wc_AesOfbEncrypt(Aes* aes, byte* out,
const byte* in, word32 sz);
#ifdef HAVE_AES_DECRYPT
WOLFSSL_API int wc_AesOfbDecrypt(Aes* aes, byte* out,
const byte* in, word32 sz);
#endif /* HAVE_AES_DECRYPT */
#endif /* WOLFSSL_AES_OFB */
#ifdef HAVE_AES_ECB
WOLFSSL_API int wc_AesEcbEncrypt(Aes* aes, byte* out,
const byte* in, word32 sz);
WOLFSSL_API int wc_AesEcbDecrypt(Aes* aes, byte* out,
const byte* in, word32 sz);
#endif
/* AES-CTR */
#ifdef WOLFSSL_AES_COUNTER
WOLFSSL_API int wc_AesCtrEncrypt(Aes* aes, byte* out,
const byte* in, word32 sz);
#endif
/* AES-DIRECT */
#if defined(WOLFSSL_AES_DIRECT)
WOLFSSL_API void wc_AesEncryptDirect(Aes* aes, byte* out, const byte* in);
WOLFSSL_API void wc_AesDecryptDirect(Aes* aes, byte* out, const byte* in);
WOLFSSL_API int wc_AesSetKeyDirect(Aes* aes, const byte* key, word32 len,
const byte* iv, int dir);
#endif
#ifdef HAVE_AESGCM
#ifdef WOLFSSL_XILINX_CRYPT
WOLFSSL_API int wc_AesGcmSetKey_ex(Aes* aes, const byte* key, word32 len,
word32 kup);
#elif defined(WOLFSSL_AFALG_XILINX_AES)
WOLFSSL_LOCAL int wc_AesGcmSetKey_ex(Aes* aes, const byte* key, word32 len,
word32 kup);
#endif
WOLFSSL_API int wc_AesGcmSetKey(Aes* aes, const byte* key, word32 len);
WOLFSSL_API int wc_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_API int wc_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);
#ifdef WOLFSSL_AESGCM_STREAM
WOLFSSL_API int wc_AesGcmInit(Aes* aes, const byte* key, word32 len,
const byte* iv, word32 ivSz);
WOLFSSL_API int wc_AesGcmEncryptInit(Aes* aes, const byte* key, word32 len,
const byte* iv, word32 ivSz);
WOLFSSL_API int wc_AesGcmEncryptInit_ex(Aes* aes, const byte* key, word32 len,
byte* ivOut, word32 ivOutSz);
WOLFSSL_API int wc_AesGcmEncryptUpdate(Aes* aes, byte* out, const byte* in,
word32 sz, const byte* authIn, word32 authInSz);
WOLFSSL_API int wc_AesGcmEncryptFinal(Aes* aes, byte* authTag,
word32 authTagSz);
WOLFSSL_API int wc_AesGcmDecryptInit(Aes* aes, const byte* key, word32 len,
const byte* iv, word32 ivSz);
WOLFSSL_API int wc_AesGcmDecryptUpdate(Aes* aes, byte* out, const byte* in,
word32 sz, const byte* authIn, word32 authInSz);
WOLFSSL_API int wc_AesGcmDecryptFinal(Aes* aes, const byte* authTag,
word32 authTagSz);
#endif
#ifndef WC_NO_RNG
WOLFSSL_API int wc_AesGcmSetExtIV(Aes* aes, const byte* iv, word32 ivSz);
WOLFSSL_API int wc_AesGcmSetIV(Aes* aes, word32 ivSz,
const byte* ivFixed, word32 ivFixedSz,
WC_RNG* rng);
WOLFSSL_API int wc_AesGcmEncrypt_ex(Aes* aes, byte* out,
const byte* in, word32 sz,
byte* ivOut, word32 ivOutSz,
byte* authTag, word32 authTagSz,
const byte* authIn, word32 authInSz);
#endif /* WC_NO_RNG */
WOLFSSL_API int wc_GmacSetKey(Gmac* gmac, const byte* key, word32 len);
WOLFSSL_API int wc_GmacUpdate(Gmac* gmac, const byte* iv, word32 ivSz,
const byte* authIn, word32 authInSz,
byte* authTag, word32 authTagSz);
#ifndef WC_NO_RNG
WOLFSSL_API int wc_Gmac(const byte* key, word32 keySz, byte* iv, word32 ivSz,
const byte* authIn, word32 authInSz,
byte* authTag, word32 authTagSz, WC_RNG* rng);
WOLFSSL_API int wc_GmacVerify(const byte* key, word32 keySz,
const byte* iv, word32 ivSz,
const byte* authIn, word32 authInSz,
const byte* authTag, word32 authTagSz);
#endif /* WC_NO_RNG */
WOLFSSL_LOCAL void GHASH(Aes* aes, const byte* a, word32 aSz, const byte* c,
word32 cSz, byte* s, word32 sSz);
#endif /* HAVE_AESGCM */
#ifdef HAVE_AESCCM
WOLFSSL_LOCAL int wc_AesCcmCheckTagSize(int sz);
WOLFSSL_API int wc_AesCcmSetKey(Aes* aes, const byte* key, word32 keySz);
WOLFSSL_API int wc_AesCcmEncrypt(Aes* aes, byte* out,
const byte* in, word32 inSz,
const byte* nonce, word32 nonceSz,
byte* authTag, word32 authTagSz,
const byte* authIn, word32 authInSz);
WOLFSSL_API int wc_AesCcmDecrypt(Aes* aes, byte* out,
const byte* in, word32 inSz,
const byte* nonce, word32 nonceSz,
const byte* authTag, word32 authTagSz,
const byte* authIn, word32 authInSz);
WOLFSSL_API int wc_AesCcmSetNonce(Aes* aes,
const byte* nonce, word32 nonceSz);
WOLFSSL_API int wc_AesCcmEncrypt_ex(Aes* aes, byte* out,
const byte* in, word32 sz,
byte* ivOut, word32 ivOutSz,
byte* authTag, word32 authTagSz,
const byte* authIn, word32 authInSz);
#endif /* HAVE_AESCCM */
#ifdef HAVE_AES_KEYWRAP
WOLFSSL_API int wc_AesKeyWrap(const byte* key, word32 keySz,
const byte* in, word32 inSz,
byte* out, word32 outSz,
const byte* iv);
WOLFSSL_API int wc_AesKeyWrap_ex(Aes *aes,
const byte* in, word32 inSz,
byte* out, word32 outSz,
const byte* iv);
WOLFSSL_API int wc_AesKeyUnWrap(const byte* key, word32 keySz,
const byte* in, word32 inSz,
byte* out, word32 outSz,
const byte* iv);
WOLFSSL_API int wc_AesKeyUnWrap_ex(Aes *aes,
const byte* in, word32 inSz,
byte* out, word32 outSz,
const byte* iv);
#endif /* HAVE_AES_KEYWRAP */
#ifdef WOLFSSL_AES_XTS
WOLFSSL_API int wc_AesXtsSetKey(XtsAes* aes, const byte* key,
word32 len, int dir, void* heap, int devId);
WOLFSSL_API int wc_AesXtsEncryptSector(XtsAes* aes, byte* out,
const byte* in, word32 sz, word64 sector);
WOLFSSL_API int wc_AesXtsDecryptSector(XtsAes* aes, byte* out,
const byte* in, word32 sz, word64 sector);
WOLFSSL_API int wc_AesXtsEncrypt(XtsAes* aes, byte* out,
const byte* in, word32 sz, const byte* i, word32 iSz);
WOLFSSL_API int wc_AesXtsDecrypt(XtsAes* aes, byte* out,
const byte* in, word32 sz, const byte* i, word32 iSz);
WOLFSSL_API int wc_AesXtsFree(XtsAes* aes);
#endif
WOLFSSL_API int wc_AesGetKeySize(Aes* aes, word32* keySize);
WOLFSSL_API int wc_AesInit(Aes* aes, void* heap, int devId);
#ifdef HAVE_PKCS11
WOLFSSL_API int wc_AesInit_Id(Aes* aes, unsigned char* id, int len, void* heap,
int devId);
WOLFSSL_API int wc_AesInit_Label(Aes* aes, const char* label, void* heap,
int devId);
#endif
WOLFSSL_API void wc_AesFree(Aes* aes);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* NO_AES */
#endif /* WOLF_CRYPT_AES_H */
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