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aes.c
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aes.c
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/* aes.c
*
* Copyright (C) 2006-2024 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
*/
/*
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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <wolfssl/wolfcrypt/settings.h>
#include <wolfssl/wolfcrypt/error-crypt.h>
#if !defined(NO_AES)
/* Tip: Locate the software cipher modes by searching for "Software AES" */
#if FIPS_VERSION3_GE(2,0,0)
/* set NO_WRAPPERS before headers, use direct internal f()s not wrappers */
#define FIPS_NO_WRAPPERS
#ifdef USE_WINDOWS_API
#pragma code_seg(".fipsA$b")
#pragma const_seg(".fipsB$b")
#endif
#endif
#include <wolfssl/wolfcrypt/aes.h>
#ifdef WOLFSSL_AESNI
#include <wmmintrin.h>
#include <emmintrin.h>
#include <smmintrin.h>
#endif /* WOLFSSL_AESNI */
#include <wolfssl/wolfcrypt/cpuid.h>
#ifdef WOLF_CRYPTO_CB
#include <wolfssl/wolfcrypt/cryptocb.h>
#endif
#ifdef WOLFSSL_SECO_CAAM
#include <wolfssl/wolfcrypt/port/caam/wolfcaam.h>
#endif
#ifdef WOLFSSL_IMXRT_DCP
#include <wolfssl/wolfcrypt/port/nxp/dcp_port.h>
#endif
#if defined(WOLFSSL_SE050) && defined(WOLFSSL_SE050_CRYPT)
#include <wolfssl/wolfcrypt/port/nxp/se050_port.h>
#endif
#if defined(WOLFSSL_AES_SIV)
#include <wolfssl/wolfcrypt/cmac.h>
#endif /* WOLFSSL_AES_SIV */
#if defined(WOLFSSL_HAVE_PSA) && !defined(WOLFSSL_PSA_NO_AES)
#include <wolfssl/wolfcrypt/port/psa/psa.h>
#endif
#if defined(WOLFSSL_TI_CRYPT)
#include <wolfcrypt/src/port/ti/ti-aes.c>
#else
#include <wolfssl/wolfcrypt/logging.h>
#ifdef NO_INLINE
#include <wolfssl/wolfcrypt/misc.h>
#else
#define WOLFSSL_MISC_INCLUDED
#include <wolfcrypt/src/misc.c>
#endif
#if !defined(WOLFSSL_ARMASM) && !defined(WOLFSSL_RISCV_ASM)
#ifdef WOLFSSL_IMX6_CAAM_BLOB
/* case of possibly not using hardware acceleration for AES but using key
blobs */
#include <wolfssl/wolfcrypt/port/caam/wolfcaam.h>
#endif
#ifdef DEBUG_AESNI
#include <stdio.h>
#endif
#ifdef _MSC_VER
/* 4127 warning constant while(1) */
#pragma warning(disable: 4127)
#endif
#if FIPS_VERSION3_GE(6,0,0)
const unsigned int wolfCrypt_FIPS_aes_ro_sanity[2] =
{ 0x1a2b3c4d, 0x00000002 };
int wolfCrypt_FIPS_AES_sanity(void)
{
return 0;
}
#endif
/* Define AES implementation includes and functions */
#if defined(STM32_CRYPTO)
/* STM32F2/F4/F7/L4/L5/H7/WB55 hardware AES support for ECB, CBC, CTR and GCM modes */
#if defined(WOLFSSL_AES_DIRECT) || defined(HAVE_AESGCM) || defined(HAVE_AESCCM)
static WARN_UNUSED_RESULT int wc_AesEncrypt(
Aes* aes, const byte* inBlock, byte* outBlock)
{
int ret = 0;
#ifdef WOLFSSL_STM32_CUBEMX
CRYP_HandleTypeDef hcryp;
#else
CRYP_InitTypeDef cryptInit;
CRYP_KeyInitTypeDef keyInit;
#endif
#ifdef WC_DEBUG_CIPHER_LIFECYCLE
ret = wc_debug_CipherLifecycleCheck(aes->CipherLifecycleTag, 0);
if (ret < 0)
return ret;
#endif
#ifdef WOLFSSL_STM32_CUBEMX
ret = wc_Stm32_Aes_Init(aes, &hcryp);
if (ret != 0)
return ret;
ret = wolfSSL_CryptHwMutexLock();
if (ret != 0)
return ret;
#if defined(STM32_HAL_V2)
hcryp.Init.Algorithm = CRYP_AES_ECB;
#elif defined(STM32_CRYPTO_AES_ONLY)
hcryp.Init.OperatingMode = CRYP_ALGOMODE_ENCRYPT;
hcryp.Init.ChainingMode = CRYP_CHAINMODE_AES_ECB;
hcryp.Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE;
#endif
HAL_CRYP_Init(&hcryp);
#if defined(STM32_HAL_V2)
ret = HAL_CRYP_Encrypt(&hcryp, (uint32_t*)inBlock, AES_BLOCK_SIZE,
(uint32_t*)outBlock, STM32_HAL_TIMEOUT);
#elif defined(STM32_CRYPTO_AES_ONLY)
ret = HAL_CRYPEx_AES(&hcryp, (uint8_t*)inBlock, AES_BLOCK_SIZE,
outBlock, STM32_HAL_TIMEOUT);
#else
ret = HAL_CRYP_AESECB_Encrypt(&hcryp, (uint8_t*)inBlock, AES_BLOCK_SIZE,
outBlock, STM32_HAL_TIMEOUT);
#endif
if (ret != HAL_OK) {
ret = WC_TIMEOUT_E;
}
HAL_CRYP_DeInit(&hcryp);
#else /* Standard Peripheral Library */
ret = wc_Stm32_Aes_Init(aes, &cryptInit, &keyInit);
if (ret != 0)
return ret;
ret = wolfSSL_CryptHwMutexLock();
if (ret != 0)
return ret;
/* reset registers to their default values */
CRYP_DeInit();
/* setup key */
CRYP_KeyInit(&keyInit);
/* set direction and mode */
cryptInit.CRYP_AlgoDir = CRYP_AlgoDir_Encrypt;
cryptInit.CRYP_AlgoMode = CRYP_AlgoMode_AES_ECB;
CRYP_Init(&cryptInit);
/* enable crypto processor */
CRYP_Cmd(ENABLE);
/* flush IN/OUT FIFOs */
CRYP_FIFOFlush();
CRYP_DataIn(*(uint32_t*)&inBlock[0]);
CRYP_DataIn(*(uint32_t*)&inBlock[4]);
CRYP_DataIn(*(uint32_t*)&inBlock[8]);
CRYP_DataIn(*(uint32_t*)&inBlock[12]);
/* wait until the complete message has been processed */
while (CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
*(uint32_t*)&outBlock[0] = CRYP_DataOut();
*(uint32_t*)&outBlock[4] = CRYP_DataOut();
*(uint32_t*)&outBlock[8] = CRYP_DataOut();
*(uint32_t*)&outBlock[12] = CRYP_DataOut();
/* disable crypto processor */
CRYP_Cmd(DISABLE);
#endif /* WOLFSSL_STM32_CUBEMX */
wolfSSL_CryptHwMutexUnLock();
wc_Stm32_Aes_Cleanup();
return ret;
}
#endif /* WOLFSSL_AES_DIRECT || HAVE_AESGCM || HAVE_AESCCM */
#ifdef HAVE_AES_DECRYPT
#if defined(WOLFSSL_AES_DIRECT) || defined(HAVE_AESCCM)
static WARN_UNUSED_RESULT int wc_AesDecrypt(
Aes* aes, const byte* inBlock, byte* outBlock)
{
int ret = 0;
#ifdef WOLFSSL_STM32_CUBEMX
CRYP_HandleTypeDef hcryp;
#else
CRYP_InitTypeDef cryptInit;
CRYP_KeyInitTypeDef keyInit;
#endif
#ifdef WC_DEBUG_CIPHER_LIFECYCLE
ret = wc_debug_CipherLifecycleCheck(aes->CipherLifecycleTag, 0);
if (ret < 0)
return ret;
#endif
#ifdef WOLFSSL_STM32_CUBEMX
ret = wc_Stm32_Aes_Init(aes, &hcryp);
if (ret != 0)
return ret;
ret = wolfSSL_CryptHwMutexLock();
if (ret != 0)
return ret;
#if defined(STM32_HAL_V2)
hcryp.Init.Algorithm = CRYP_AES_ECB;
#elif defined(STM32_CRYPTO_AES_ONLY)
hcryp.Init.OperatingMode = CRYP_ALGOMODE_KEYDERIVATION_DECRYPT;
hcryp.Init.ChainingMode = CRYP_CHAINMODE_AES_ECB;
hcryp.Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE;
#endif
HAL_CRYP_Init(&hcryp);
#if defined(STM32_HAL_V2)
ret = HAL_CRYP_Decrypt(&hcryp, (uint32_t*)inBlock, AES_BLOCK_SIZE,
(uint32_t*)outBlock, STM32_HAL_TIMEOUT);
#elif defined(STM32_CRYPTO_AES_ONLY)
ret = HAL_CRYPEx_AES(&hcryp, (uint8_t*)inBlock, AES_BLOCK_SIZE,
outBlock, STM32_HAL_TIMEOUT);
#else
ret = HAL_CRYP_AESECB_Decrypt(&hcryp, (uint8_t*)inBlock, AES_BLOCK_SIZE,
outBlock, STM32_HAL_TIMEOUT);
#endif
if (ret != HAL_OK) {
ret = WC_TIMEOUT_E;
}
HAL_CRYP_DeInit(&hcryp);
#else /* Standard Peripheral Library */
ret = wc_Stm32_Aes_Init(aes, &cryptInit, &keyInit);
if (ret != 0)
return ret;
ret = wolfSSL_CryptHwMutexLock();
if (ret != 0)
return ret;
/* reset registers to their default values */
CRYP_DeInit();
/* set direction and key */
CRYP_KeyInit(&keyInit);
cryptInit.CRYP_AlgoDir = CRYP_AlgoDir_Decrypt;
cryptInit.CRYP_AlgoMode = CRYP_AlgoMode_AES_Key;
CRYP_Init(&cryptInit);
/* enable crypto processor */
CRYP_Cmd(ENABLE);
/* wait until decrypt key has been initialized */
while (CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
/* set direction and mode */
cryptInit.CRYP_AlgoDir = CRYP_AlgoDir_Decrypt;
cryptInit.CRYP_AlgoMode = CRYP_AlgoMode_AES_ECB;
CRYP_Init(&cryptInit);
/* enable crypto processor */
CRYP_Cmd(ENABLE);
/* flush IN/OUT FIFOs */
CRYP_FIFOFlush();
CRYP_DataIn(*(uint32_t*)&inBlock[0]);
CRYP_DataIn(*(uint32_t*)&inBlock[4]);
CRYP_DataIn(*(uint32_t*)&inBlock[8]);
CRYP_DataIn(*(uint32_t*)&inBlock[12]);
/* wait until the complete message has been processed */
while (CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
*(uint32_t*)&outBlock[0] = CRYP_DataOut();
*(uint32_t*)&outBlock[4] = CRYP_DataOut();
*(uint32_t*)&outBlock[8] = CRYP_DataOut();
*(uint32_t*)&outBlock[12] = CRYP_DataOut();
/* disable crypto processor */
CRYP_Cmd(DISABLE);
#endif /* WOLFSSL_STM32_CUBEMX */
wolfSSL_CryptHwMutexUnLock();
wc_Stm32_Aes_Cleanup();
return ret;
}
#endif /* WOLFSSL_AES_DIRECT || HAVE_AESCCM */
#endif /* HAVE_AES_DECRYPT */
#elif defined(HAVE_COLDFIRE_SEC)
/* Freescale Coldfire SEC support for CBC mode.
* NOTE: no support for AES-CTR/GCM/CCM/Direct */
#include <wolfssl/wolfcrypt/types.h>
#include "sec.h"
#include "mcf5475_sec.h"
#include "mcf5475_siu.h"
#elif defined(FREESCALE_LTC)
#include "fsl_ltc.h"
#if defined(FREESCALE_LTC_AES_GCM)
#undef NEED_AES_TABLES
#undef GCM_TABLE
#endif
/* if LTC doesn't have GCM, use software with LTC AES ECB mode */
static WARN_UNUSED_RESULT int wc_AesEncrypt(
Aes* aes, const byte* inBlock, byte* outBlock)
{
word32 keySize = 0;
byte* key = (byte*)aes->key;
int ret = wc_AesGetKeySize(aes, &keySize);
if (ret != 0)
return ret;
#ifdef WC_DEBUG_CIPHER_LIFECYCLE
ret = wc_debug_CipherLifecycleCheck(aes->CipherLifecycleTag, 0);
if (ret < 0)
return ret;
#endif
if (wolfSSL_CryptHwMutexLock() == 0) {
LTC_AES_EncryptEcb(LTC_BASE, inBlock, outBlock, AES_BLOCK_SIZE,
key, keySize);
wolfSSL_CryptHwMutexUnLock();
}
return 0;
}
#ifdef HAVE_AES_DECRYPT
static WARN_UNUSED_RESULT int wc_AesDecrypt(
Aes* aes, const byte* inBlock, byte* outBlock)
{
word32 keySize = 0;
byte* key = (byte*)aes->key;
int ret = wc_AesGetKeySize(aes, &keySize);
if (ret != 0)
return ret;
#ifdef WC_DEBUG_CIPHER_LIFECYCLE
ret = wc_debug_CipherLifecycleCheck(aes->CipherLifecycleTag, 0);
if (ret < 0)
return ret;
#endif
if (wolfSSL_CryptHwMutexLock() == 0) {
LTC_AES_DecryptEcb(LTC_BASE, inBlock, outBlock, AES_BLOCK_SIZE,
key, keySize, kLTC_EncryptKey);
wolfSSL_CryptHwMutexUnLock();
}
return 0;
}
#endif
#elif defined(FREESCALE_MMCAU)
/* Freescale mmCAU hardware AES support for Direct, CBC, CCM, GCM modes
* through the CAU/mmCAU library. Documentation located in
* ColdFire/ColdFire+ CAU and Kinetis mmCAU Software Library User
* Guide (See note in README). */
#ifdef FREESCALE_MMCAU_CLASSIC
/* MMCAU 1.4 library used with non-KSDK / classic MQX builds */
#include "cau_api.h"
#else
#include "fsl_mmcau.h"
#endif
static WARN_UNUSED_RESULT int wc_AesEncrypt(
Aes* aes, const byte* inBlock, byte* outBlock)
{
#ifdef WC_DEBUG_CIPHER_LIFECYCLE
{
int ret = wc_debug_CipherLifecycleCheck(aes->CipherLifecycleTag, 0);
if (ret < 0)
return ret;
}
#endif
if (wolfSSL_CryptHwMutexLock() == 0) {
#ifdef FREESCALE_MMCAU_CLASSIC
if ((wc_ptr_t)outBlock % WOLFSSL_MMCAU_ALIGNMENT) {
WOLFSSL_MSG("Bad cau_aes_encrypt alignment");
return BAD_ALIGN_E;
}
cau_aes_encrypt(inBlock, (byte*)aes->key, aes->rounds, outBlock);
#else
MMCAU_AES_EncryptEcb(inBlock, (byte*)aes->key, aes->rounds,
outBlock);
#endif
wolfSSL_CryptHwMutexUnLock();
}
return 0;
}
#ifdef HAVE_AES_DECRYPT
static WARN_UNUSED_RESULT int wc_AesDecrypt(
Aes* aes, const byte* inBlock, byte* outBlock)
{
#ifdef WC_DEBUG_CIPHER_LIFECYCLE
{
int ret = wc_debug_CipherLifecycleCheck(aes->CipherLifecycleTag, 0);
if (ret < 0)
return ret;
}
#endif
if (wolfSSL_CryptHwMutexLock() == 0) {
#ifdef FREESCALE_MMCAU_CLASSIC
if ((wc_ptr_t)outBlock % WOLFSSL_MMCAU_ALIGNMENT) {
WOLFSSL_MSG("Bad cau_aes_decrypt alignment");
return BAD_ALIGN_E;
}
cau_aes_decrypt(inBlock, (byte*)aes->key, aes->rounds, outBlock);
#else
MMCAU_AES_DecryptEcb(inBlock, (byte*)aes->key, aes->rounds,
outBlock);
#endif
wolfSSL_CryptHwMutexUnLock();
}
return 0;
}
#endif /* HAVE_AES_DECRYPT */
#elif defined(WOLFSSL_PIC32MZ_CRYPT)
#include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
#if defined(HAVE_AESGCM) || defined(WOLFSSL_AES_DIRECT)
static WARN_UNUSED_RESULT int wc_AesEncrypt(
Aes* aes, const byte* inBlock, byte* outBlock)
{
#ifdef WC_DEBUG_CIPHER_LIFECYCLE
{
int ret = wc_debug_CipherLifecycleCheck(aes->CipherLifecycleTag, 0);
if (ret < 0)
return ret;
}
#endif
/* Thread mutex protection handled in Pic32Crypto */
return wc_Pic32AesCrypt(aes->key, aes->keylen, NULL, 0,
outBlock, inBlock, AES_BLOCK_SIZE,
PIC32_ENCRYPTION, PIC32_ALGO_AES, PIC32_CRYPTOALGO_RECB);
}
#endif
#if defined(HAVE_AES_DECRYPT) && defined(WOLFSSL_AES_DIRECT)
static WARN_UNUSED_RESULT int wc_AesDecrypt(
Aes* aes, const byte* inBlock, byte* outBlock)
{
#ifdef WC_DEBUG_CIPHER_LIFECYCLE
{
int ret = wc_debug_CipherLifecycleCheck(aes->CipherLifecycleTag, 0);
if (ret < 0)
return ret;
}
#endif
/* Thread mutex protection handled in Pic32Crypto */
return wc_Pic32AesCrypt(aes->key, aes->keylen, NULL, 0,
outBlock, inBlock, AES_BLOCK_SIZE,
PIC32_DECRYPTION, PIC32_ALGO_AES, PIC32_CRYPTOALGO_RECB);
}
#endif
#elif defined(WOLFSSL_NRF51_AES)
/* Use built-in AES hardware - AES 128 ECB Encrypt Only */
#include "wolfssl/wolfcrypt/port/nrf51.h"
static WARN_UNUSED_RESULT int wc_AesEncrypt(
Aes* aes, const byte* inBlock, byte* outBlock)
{
int ret;
#ifdef WC_DEBUG_CIPHER_LIFECYCLE
ret = wc_debug_CipherLifecycleCheck(aes->CipherLifecycleTag, 0);
if (ret < 0)
return ret;
#endif
ret = wolfSSL_CryptHwMutexLock();
if (ret == 0) {
ret = nrf51_aes_encrypt(inBlock, (byte*)aes->key, aes->rounds,
outBlock);
wolfSSL_CryptHwMutexUnLock();
}
return ret;
}
#ifdef HAVE_AES_DECRYPT
#error nRF51 AES Hardware does not support decrypt
#endif /* HAVE_AES_DECRYPT */
#elif defined(WOLFSSL_ESP32_CRYPT) && \
!defined(NO_WOLFSSL_ESP32_CRYPT_AES)
#include <esp_log.h>
#include <wolfssl/wolfcrypt/port/Espressif/esp32-crypt.h>
#define TAG "aes"
/* We'll use SW for fallback:
* unsupported key lengths. (e.g. ESP32-S3)
* chipsets not implemented.
* hardware busy. */
#define NEED_AES_TABLES
#define NEED_AES_HW_FALLBACK
#define NEED_SOFTWARE_AES_SETKEY
#undef WOLFSSL_AES_DIRECT
#define WOLFSSL_AES_DIRECT
/* Encrypt: If we choose to never have a fallback to SW: */
#if !defined(NEED_AES_HW_FALLBACK) && (defined(HAVE_AESGCM) || defined(WOLFSSL_AES_DIRECT))
static WARN_UNUSED_RESULT int wc_AesEncrypt( /* calling this one when NO_AES_192 is defined */
Aes* aes, const byte* inBlock, byte* outBlock)
{
int ret;
#ifdef WC_DEBUG_CIPHER_LIFECYCLE
ret = wc_debug_CipherLifecycleCheck(aes->CipherLifecycleTag, 0);
if (ret < 0)
return ret;
#endif
/* Thread mutex protection handled in esp_aes_hw_InUse */
#ifdef NEED_AES_HW_FALLBACK
if (wc_esp32AesSupportedKeyLen(aes)) {
ret = wc_esp32AesEncrypt(aes, inBlock, outBlock);
}
#else
ret = wc_esp32AesEncrypt(aes, inBlock, outBlock);
#endif
return ret;
}
#endif
/* Decrypt: If we choose to never have a fallback to SW: */
#if !defined(NEED_AES_HW_FALLBACK) && (defined(HAVE_AES_DECRYPT) && defined(WOLFSSL_AES_DIRECT))
static WARN_UNUSED_RESULT int wc_AesDecrypt(
Aes* aes, const byte* inBlock, byte* outBlock)
{
int ret = 0;
#ifdef WC_DEBUG_CIPHER_LIFECYCLE
ret = wc_debug_CipherLifecycleCheck(aes->CipherLifecycleTag, 0);
if (ret < 0)
return ret;
#endif
/* Thread mutex protection handled in esp_aes_hw_InUse */
#ifdef NEED_AES_HW_FALLBACK
if (wc_esp32AesSupportedKeyLen(aes)) {
ret = wc_esp32AesDecrypt(aes, inBlock, outBlock);
}
else {
ret = wc_AesDecrypt_SW(aes, inBlock, outBlock);
}
#else
/* if we don't need fallback, always use HW */
ret = wc_esp32AesDecrypt(aes, inBlock, outBlock);
#endif
return ret;
}
#endif
#elif defined(WOLFSSL_AESNI)
#define NEED_AES_TABLES
/* Each platform needs to query info type 1 from cpuid to see if aesni is
* supported. Also, let's setup a macro for proper linkage w/o ABI conflicts
*/
#ifndef AESNI_ALIGN
#define AESNI_ALIGN 16
#endif
static int checkedAESNI = 0;
static int haveAESNI = 0;
static word32 intel_flags = 0;
static WARN_UNUSED_RESULT int Check_CPU_support_AES(void)
{
intel_flags = cpuid_get_flags();
return IS_INTEL_AESNI(intel_flags) != 0;
}
/* tell C compiler these are asm functions in case any mix up of ABI underscore
prefix between clang/gcc/llvm etc */
#ifdef HAVE_AES_CBC
void AES_CBC_encrypt_AESNI(const unsigned char* in, unsigned char* out,
unsigned char* ivec, unsigned long length,
const unsigned char* KS, int nr)
XASM_LINK("AES_CBC_encrypt_AESNI");
#ifdef HAVE_AES_DECRYPT
#if defined(WOLFSSL_AESNI_BY4) || defined(WOLFSSL_X86_BUILD)
void AES_CBC_decrypt_AESNI_by4(const unsigned char* in, unsigned char* out,
unsigned char* ivec, unsigned long length,
const unsigned char* KS, int nr)
XASM_LINK("AES_CBC_decrypt_AESNI_by4");
#elif defined(WOLFSSL_AESNI_BY6)
void AES_CBC_decrypt_AESNI_by6(const unsigned char* in, unsigned char* out,
unsigned char* ivec, unsigned long length,
const unsigned char* KS, int nr)
XASM_LINK("AES_CBC_decrypt_AESNI_by6");
#else /* WOLFSSL_AESNI_BYx */
void AES_CBC_decrypt_AESNI_by8(const unsigned char* in, unsigned char* out,
unsigned char* ivec, unsigned long length,
const unsigned char* KS, int nr)
XASM_LINK("AES_CBC_decrypt_AESNI_by8");
#endif /* WOLFSSL_AESNI_BYx */
#endif /* HAVE_AES_DECRYPT */
#endif /* HAVE_AES_CBC */
void AES_ECB_encrypt_AESNI(const unsigned char* in, unsigned char* out,
unsigned long length, const unsigned char* KS, int nr)
XASM_LINK("AES_ECB_encrypt_AESNI");
#ifdef HAVE_AES_DECRYPT
void AES_ECB_decrypt_AESNI(const unsigned char* in, unsigned char* out,
unsigned long length, const unsigned char* KS, int nr)
XASM_LINK("AES_ECB_decrypt_AESNI");
#endif
void AES_128_Key_Expansion_AESNI(const unsigned char* userkey,
unsigned char* key_schedule)
XASM_LINK("AES_128_Key_Expansion_AESNI");
void AES_192_Key_Expansion_AESNI(const unsigned char* userkey,
unsigned char* key_schedule)
XASM_LINK("AES_192_Key_Expansion_AESNI");
void AES_256_Key_Expansion_AESNI(const unsigned char* userkey,
unsigned char* key_schedule)
XASM_LINK("AES_256_Key_Expansion_AESNI");
static WARN_UNUSED_RESULT int AES_set_encrypt_key_AESNI(
const unsigned char *userKey, const int bits, Aes* aes)
{
int ret;
ASSERT_SAVED_VECTOR_REGISTERS();
if (!userKey || !aes)
return BAD_FUNC_ARG;
switch (bits) {
case 128:
AES_128_Key_Expansion_AESNI (userKey,(byte*)aes->key); aes->rounds = 10;
return 0;
case 192:
AES_192_Key_Expansion_AESNI (userKey,(byte*)aes->key); aes->rounds = 12;
return 0;
case 256:
AES_256_Key_Expansion_AESNI (userKey,(byte*)aes->key); aes->rounds = 14;
return 0;
default:
ret = BAD_FUNC_ARG;
}
return ret;
}
#ifdef HAVE_AES_DECRYPT
static WARN_UNUSED_RESULT int AES_set_decrypt_key_AESNI(
const unsigned char* userKey, const int bits, Aes* aes)
{
word32 nr;
#ifdef WOLFSSL_SMALL_STACK
Aes *temp_key;
#else
Aes temp_key[1];
#endif
__m128i *Key_Schedule;
__m128i *Temp_Key_Schedule;
ASSERT_SAVED_VECTOR_REGISTERS();
if (!userKey || !aes)
return BAD_FUNC_ARG;
#ifdef WOLFSSL_SMALL_STACK
if ((temp_key = (Aes *)XMALLOC(sizeof *aes, aes->heap,
DYNAMIC_TYPE_AES)) == NULL)
return MEMORY_E;
#endif
if (AES_set_encrypt_key_AESNI(userKey,bits,temp_key)
== WC_NO_ERR_TRACE(BAD_FUNC_ARG)) {
#ifdef WOLFSSL_SMALL_STACK
XFREE(temp_key, aes->heap, DYNAMIC_TYPE_AES);
#endif
return BAD_FUNC_ARG;
}
Key_Schedule = (__m128i*)aes->key;
Temp_Key_Schedule = (__m128i*)temp_key->key;
nr = temp_key->rounds;
aes->rounds = nr;
Key_Schedule[nr] = Temp_Key_Schedule[0];
Key_Schedule[nr-1] = _mm_aesimc_si128(Temp_Key_Schedule[1]);
Key_Schedule[nr-2] = _mm_aesimc_si128(Temp_Key_Schedule[2]);
Key_Schedule[nr-3] = _mm_aesimc_si128(Temp_Key_Schedule[3]);
Key_Schedule[nr-4] = _mm_aesimc_si128(Temp_Key_Schedule[4]);
Key_Schedule[nr-5] = _mm_aesimc_si128(Temp_Key_Schedule[5]);
Key_Schedule[nr-6] = _mm_aesimc_si128(Temp_Key_Schedule[6]);
Key_Schedule[nr-7] = _mm_aesimc_si128(Temp_Key_Schedule[7]);
Key_Schedule[nr-8] = _mm_aesimc_si128(Temp_Key_Schedule[8]);
Key_Schedule[nr-9] = _mm_aesimc_si128(Temp_Key_Schedule[9]);
if (nr>10) {
Key_Schedule[nr-10] = _mm_aesimc_si128(Temp_Key_Schedule[10]);
Key_Schedule[nr-11] = _mm_aesimc_si128(Temp_Key_Schedule[11]);
}
if (nr>12) {
Key_Schedule[nr-12] = _mm_aesimc_si128(Temp_Key_Schedule[12]);
Key_Schedule[nr-13] = _mm_aesimc_si128(Temp_Key_Schedule[13]);
}
Key_Schedule[0] = Temp_Key_Schedule[nr];
#ifdef WOLFSSL_SMALL_STACK
XFREE(temp_key, aes->heap, DYNAMIC_TYPE_AES);
#endif
return 0;
}
#endif /* HAVE_AES_DECRYPT */
#elif (defined(WOLFSSL_IMX6_CAAM) && !defined(NO_IMX6_CAAM_AES) \
&& !defined(WOLFSSL_QNX_CAAM)) || \
((defined(WOLFSSL_AFALG) || defined(WOLFSSL_DEVCRYPTO_AES)) && \
defined(HAVE_AESCCM))
static WARN_UNUSED_RESULT int wc_AesEncrypt(
Aes* aes, const byte* inBlock, byte* outBlock)
{
#ifdef WC_DEBUG_CIPHER_LIFECYCLE
{
int ret =
wc_debug_CipherLifecycleCheck(aes->CipherLifecycleTag, 0);
if (ret < 0)
return ret;
}
#endif
return wc_AesEncryptDirect(aes, outBlock, inBlock);
}
#elif defined(WOLFSSL_AFALG)
/* implemented in wolfcrypt/src/port/af_alg/afalg_aes.c */
#elif defined(WOLFSSL_DEVCRYPTO_AES)
/* implemented in wolfcrypt/src/port/devcrypto/devcrypto_aes.c */
#elif defined(WOLFSSL_SCE) && !defined(WOLFSSL_SCE_NO_AES)
#include "hal_data.h"
#ifndef WOLFSSL_SCE_AES256_HANDLE
#define WOLFSSL_SCE_AES256_HANDLE g_sce_aes_256
#endif
#ifndef WOLFSSL_SCE_AES192_HANDLE
#define WOLFSSL_SCE_AES192_HANDLE g_sce_aes_192
#endif
#ifndef WOLFSSL_SCE_AES128_HANDLE
#define WOLFSSL_SCE_AES128_HANDLE g_sce_aes_128
#endif
static WARN_UNUSED_RESULT int AES_ECB_encrypt(
Aes* aes, const byte* inBlock, byte* outBlock, int sz)
{
word32 ret;
if (WOLFSSL_SCE_GSCE_HANDLE.p_cfg->endian_flag ==
CRYPTO_WORD_ENDIAN_BIG) {
ByteReverseWords((word32*)inBlock, (word32*)inBlock, sz);
}
switch (aes->keylen) {
#ifdef WOLFSSL_AES_128
case AES_128_KEY_SIZE:
ret = WOLFSSL_SCE_AES128_HANDLE.p_api->encrypt(
WOLFSSL_SCE_AES128_HANDLE.p_ctrl, aes->key,
NULL, (sz / sizeof(word32)), (word32*)inBlock,
(word32*)outBlock);
break;
#endif
#ifdef WOLFSSL_AES_192
case AES_192_KEY_SIZE:
ret = WOLFSSL_SCE_AES192_HANDLE.p_api->encrypt(
WOLFSSL_SCE_AES192_HANDLE.p_ctrl, aes->key,
NULL, (sz / sizeof(word32)), (word32*)inBlock,
(word32*)outBlock);
break;
#endif
#ifdef WOLFSSL_AES_256
case AES_256_KEY_SIZE:
ret = WOLFSSL_SCE_AES256_HANDLE.p_api->encrypt(
WOLFSSL_SCE_AES256_HANDLE.p_ctrl, aes->key,
NULL, (sz / sizeof(word32)), (word32*)inBlock,
(word32*)outBlock);
break;
#endif
default:
WOLFSSL_MSG("Unknown key size");
return BAD_FUNC_ARG;
}
if (ret != SSP_SUCCESS) {
/* revert input */
ByteReverseWords((word32*)inBlock, (word32*)inBlock, sz);
return WC_HW_E;
}
if (WOLFSSL_SCE_GSCE_HANDLE.p_cfg->endian_flag ==
CRYPTO_WORD_ENDIAN_BIG) {
ByteReverseWords((word32*)outBlock, (word32*)outBlock, sz);
if (inBlock != outBlock) {
/* revert input */
ByteReverseWords((word32*)inBlock, (word32*)inBlock, sz);
}
}
return 0;
}
#if defined(HAVE_AES_DECRYPT)
static WARN_UNUSED_RESULT int AES_ECB_decrypt(
Aes* aes, const byte* inBlock, byte* outBlock, int sz)
{
word32 ret;
if (WOLFSSL_SCE_GSCE_HANDLE.p_cfg->endian_flag ==
CRYPTO_WORD_ENDIAN_BIG) {
ByteReverseWords((word32*)inBlock, (word32*)inBlock, sz);
}
switch (aes->keylen) {
#ifdef WOLFSSL_AES_128
case AES_128_KEY_SIZE:
ret = WOLFSSL_SCE_AES128_HANDLE.p_api->decrypt(
WOLFSSL_SCE_AES128_HANDLE.p_ctrl, aes->key, aes->reg,
(sz / sizeof(word32)), (word32*)inBlock,
(word32*)outBlock);
break;
#endif
#ifdef WOLFSSL_AES_192
case AES_192_KEY_SIZE:
ret = WOLFSSL_SCE_AES192_HANDLE.p_api->decrypt(
WOLFSSL_SCE_AES192_HANDLE.p_ctrl, aes->key, aes->reg,
(sz / sizeof(word32)), (word32*)inBlock,
(word32*)outBlock);
break;
#endif
#ifdef WOLFSSL_AES_256
case AES_256_KEY_SIZE:
ret = WOLFSSL_SCE_AES256_HANDLE.p_api->decrypt(
WOLFSSL_SCE_AES256_HANDLE.p_ctrl, aes->key, aes->reg,
(sz / sizeof(word32)), (word32*)inBlock,
(word32*)outBlock);
break;
#endif
default:
WOLFSSL_MSG("Unknown key size");
return BAD_FUNC_ARG;
}
if (ret != SSP_SUCCESS) {
return WC_HW_E;
}
if (WOLFSSL_SCE_GSCE_HANDLE.p_cfg->endian_flag ==
CRYPTO_WORD_ENDIAN_BIG) {
ByteReverseWords((word32*)outBlock, (word32*)outBlock, sz);
if (inBlock != outBlock) {
/* revert input */
ByteReverseWords((word32*)inBlock, (word32*)inBlock, sz);
}
}
return 0;
}
#endif /* HAVE_AES_DECRYPT */
#if defined(HAVE_AESGCM) || defined(WOLFSSL_AES_DIRECT)
static WARN_UNUSED_RESULT int wc_AesEncrypt(
Aes* aes, const byte* inBlock, byte* outBlock)
{
#ifdef WC_DEBUG_CIPHER_LIFECYCLE
{
int ret = wc_debug_CipherLifecycleCheck(aes->CipherLifecycleTag, 0);
if (ret < 0)
return ret;
}
#endif
return AES_ECB_encrypt(aes, inBlock, outBlock, AES_BLOCK_SIZE);
}
#endif
#if defined(HAVE_AES_DECRYPT) && defined(WOLFSSL_AES_DIRECT)
static WARN_UNUSED_RESULT int wc_AesDecrypt(
Aes* aes, const byte* inBlock, byte* outBlock)
{
#ifdef WC_DEBUG_CIPHER_LIFECYCLE
{
int ret = wc_debug_CipherLifecycleCheck(aes->CipherLifecycleTag, 0);
if (ret < 0)
return ret;
}
#endif
return AES_ECB_decrypt(aes, inBlock, outBlock, AES_BLOCK_SIZE);
}
#endif
#elif defined(WOLFSSL_KCAPI_AES)
/* Only CBC and GCM are in wolfcrypt/src/port/kcapi/kcapi_aes.c */
#if defined(WOLFSSL_AES_COUNTER) || defined(HAVE_AESCCM) || \
defined(WOLFSSL_CMAC) || defined(WOLFSSL_AES_OFB) || \
defined(WOLFSSL_AES_CFB) || defined(HAVE_AES_ECB) || \
defined(WOLFSSL_AES_DIRECT) || defined(WOLFSSL_AES_XTS) || \
(defined(HAVE_AES_CBC) && defined(WOLFSSL_NO_KCAPI_AES_CBC))
#define NEED_AES_TABLES
#endif
#elif defined(WOLFSSL_HAVE_PSA) && !defined(WOLFSSL_PSA_NO_AES)
/* implemented in wolfcrypt/src/port/psa/psa_aes.c */
#elif defined(WOLFSSL_RISCV_ASM)
/* implemented in wolfcrypt/src/port/risc-v/riscv-64-aes.c */
#else
/* using wolfCrypt software implementation */
#define NEED_AES_TABLES
#endif
#if defined(WC_AES_BITSLICED) && !defined(HAVE_AES_ECB)
#error "When WC_AES_BITSLICED is defined, HAVE_AES_ECB is needed."
#endif
#ifdef NEED_AES_TABLES
#ifndef WC_AES_BITSLICED
#if !defined(WOLFSSL_SILABS_SE_ACCEL) || \
defined(NO_ESP32_CRYPT) || defined(NO_WOLFSSL_ESP32_CRYPT_AES) || \
defined(NEED_AES_HW_FALLBACK)
static const FLASH_QUALIFIER word32 rcon[] = {
0x01000000, 0x02000000, 0x04000000, 0x08000000,
0x10000000, 0x20000000, 0x40000000, 0x80000000,
0x1B000000, 0x36000000,
/* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
};
#endif
#ifndef WOLFSSL_AES_SMALL_TABLES