171 lines
4.2 KiB
C
171 lines
4.2 KiB
C
/**
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* @file aes_matrix.h
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* @version $Format:%h%d$
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*
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* Header for internal symmetric key cryptography support.
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*/
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/*
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* Copyright (c) 2013-2016 INSIDE Secure Corporation
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* Copyright (c) PeerSec Networks, 2002-2011
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* All Rights Reserved
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*
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* The latest version of this code is available at http://www.matrixssl.org
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*
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* This software is open source; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This General Public License does NOT permit incorporating this software
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* into proprietary programs. If you are unable to comply with the GPL, a
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* commercial license for this software may be purchased from INSIDE at
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* http://www.insidesecure.com/
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*
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* This program is distributed in WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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* http://www.gnu.org/copyleft/gpl.html
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*/
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/******************************************************************************/
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#ifndef _h_AES_MATRIX
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#define _h_AES_MATRIX
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/******************************************************************************/
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/*
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Cipher usage in SSL is that any given key is used only for either encryption
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or decryption, not both. If the same key is to be used for both, two
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key structures must be initialized.
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The first use of the key is what marks the key's usage (for example if
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psAesEncryptBlock() is called on the key first, it can only be used
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in future calls to encrypt.
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*/
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#ifdef USE_MATRIX_RAW_KEY
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typedef struct {
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uint8_t len;
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unsigned char *key;
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} psRawKey_t;
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#endif
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#ifdef USE_MATRIX_AES_BLOCK
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typedef struct {
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uint32_t skey[64]; /**< Key schedule (either encrypt or decrypt) */
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uint16_t rounds; /**< Number of rounds */
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uint16_t type; /**< PS_AES_ENCRYPT or PS_AES_DECRYPT (inverse) key */
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} psAesKey_t;
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#endif
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#ifdef USE_MATRIX_AES_CBC
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typedef struct {
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psAesKey_t key;
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unsigned char IV[AES_BLOCKLEN];
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} psAesCbc_t;
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#endif
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#ifdef USE_MATRIX_AES_GCM
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typedef struct {
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psAesKey_t key;
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unsigned char IV[AES_BLOCKLEN];
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unsigned char EncCtr[AES_BLOCKLEN];
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unsigned char CtrBlock[AES_BLOCKLEN];
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unsigned char gInit[AES_BLOCKLEN];
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uint32_t TagTemp[AES_BLOCKLEN / sizeof(uint32_t)];
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unsigned char Hash_SubKey[AES_BLOCKLEN];
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uint32_t ProcessedBitCount[AES_BLOCKLEN / sizeof(uint32_t)];
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uint32_t InputBufferCount;
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uint32_t OutputBufferCount;
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union {
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unsigned char Buffer[128];
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uint32_t BufferAlignment;
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} Input;
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} psAesGcm_t;
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#endif
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/******************************************************************************/
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#ifdef USE_MATRIX_3DES
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typedef struct {
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uint32_t ek[3][32];
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uint32_t dk[3][32];
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} psDes3Key_t;
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typedef struct {
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psDes3Key_t key;
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unsigned char IV[DES3_BLOCKLEN];
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} psDes3_t;
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#endif
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/******************************************************************************/
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#ifdef USE_MATRIX_IDEA
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typedef struct {
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uint16_t key_schedule[52];
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} psIdeaKey_t;
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typedef struct {
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psIdeaKey_t key;
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uint32_t IV[2];
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uint32_t inverted;
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} psIdea_t;
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#endif
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/******************************************************************************/
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#ifdef USE_MATRIX_SEED
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typedef struct {
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uint32_t K[32];
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uint32_t dK[32];
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} psSeedKey_t;
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typedef struct {
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psSeedKey_t key;
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unsigned char IV[SEED_BLOCKLEN];
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} psSeed_t;
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#endif
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/******************************************************************************/
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#ifdef USE_MATRIX_ARC4
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typedef struct {
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unsigned char state[256];
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uint32_t byteCount;
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unsigned char x;
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unsigned char y;
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} psArc4_t;
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#endif
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/******************************************************************************/
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#ifdef USE_MATRIX_RC2
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#define RC2_BLOCKLEN 8
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typedef struct {
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uint32_t xkey[64];
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} psRc2Key_t;
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typedef struct {
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psRc2Key_t key;
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unsigned char IV[RC2_BLOCKLEN];
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} psRc2Cbc_t;
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#endif
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#endif /* _h_AES_MATRIX */
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/******************************************************************************/
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