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188 lines
7.6 KiB
188 lines
7.6 KiB
/* Microsoft Reference Implementation for TPM 2.0
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*
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* The copyright in this software is being made available under the BSD License,
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* included below. This software may be subject to other third party and
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* contributor rights, including patent rights, and no such rights are granted
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* under this license.
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*
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* Copyright (c) Microsoft Corporation
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*
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* All rights reserved.
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*
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* BSD License
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this list
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* of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ""AS IS""
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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//** Introduction
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//
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// This header file is used to 'splice' the OpenSSL library into the TPM code.
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//
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// The support required of a library are a hash module, a block cipher module and
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// portions of a big number library.
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// All of the library-dependent headers should have the same guard to that only the
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// first one gets defined.
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#ifndef SYM_LIB_DEFINED
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#define SYM_LIB_DEFINED
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#define SYM_LIB_OSSL
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#include <openssl/aes.h>
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#if ALG_TDES
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#include <openssl/des.h>
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#endif
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#if ALG_SM4
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# if defined(OPENSSL_NO_SM4) || OPENSSL_VERSION_NUMBER < 0x10101010L
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# undef ALG_SM4
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# define ALG_SM4 ALG_NO
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# elif OPENSSL_VERSION_NUMBER >= 0x10200000L
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# include <openssl/sm4.h>
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# else
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// OpenSSL 1.1.1 keeps smX.h headers in the include/crypto directory,
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// and they do not get installed as part of the libssl package
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# define SM4_KEY_SCHEDULE 32
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typedef struct SM4_KEY_st {
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uint32_t rk[SM4_KEY_SCHEDULE];
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} SM4_KEY;
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int SM4_set_key(const uint8_t *key, SM4_KEY *ks);
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void SM4_encrypt(const uint8_t *in, uint8_t *out, const SM4_KEY *ks);
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void SM4_decrypt(const uint8_t *in, uint8_t *out, const SM4_KEY *ks);
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# endif // OpenSSL < 1.2
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#endif // ALG_SM4
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#if ALG_CAMELLIA
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#include <openssl/camellia.h>
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#endif
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#include <openssl/bn.h>
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#include <openssl/ossl_typ.h>
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//***************************************************************
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//** Links to the OpenSSL symmetric algorithms.
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//***************************************************************
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// The Crypt functions that call the block encryption function use the parameters
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// in the order:
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// 1) keySchedule
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// 2) in buffer
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// 3) out buffer
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// Since open SSL uses the order in encryptoCall_t above, need to swizzle the
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// values to the order required by the library.
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#define SWIZZLE(keySchedule, in, out) \
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(const BYTE *)(in), (BYTE *)(out), (void *)(keySchedule)
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// Define the order of parameters to the library functions that do block encryption
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// and decryption.
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typedef void(*TpmCryptSetSymKeyCall_t)(
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const BYTE *in,
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BYTE *out,
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void *keySchedule
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);
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#define SYM_ALIGNMENT RADIX_BYTES
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//***************************************************************
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//** Links to the OpenSSL AES code
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//***************************************************************
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// Macros to set up the encryption/decryption key schedules
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//
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// AES:
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#define TpmCryptSetEncryptKeyAES(key, keySizeInBits, schedule) \
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AES_set_encrypt_key((key), (keySizeInBits), (tpmKeyScheduleAES *)(schedule))
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#define TpmCryptSetDecryptKeyAES(key, keySizeInBits, schedule) \
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AES_set_decrypt_key((key), (keySizeInBits), (tpmKeyScheduleAES *)(schedule))
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// Macros to alias encryption calls to specific algorithms. This should be used
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// sparingly. Currently, only used by CryptSym.c and CryptRand.c
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//
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// When using these calls, to call the AES block encryption code, the caller
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// should use:
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// TpmCryptEncryptAES(SWIZZLE(keySchedule, in, out));
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#define TpmCryptEncryptAES AES_encrypt
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#define TpmCryptDecryptAES AES_decrypt
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#define tpmKeyScheduleAES AES_KEY
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//***************************************************************
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//** Links to the OpenSSL DES code
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//***************************************************************
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#if ALG_TDES
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#include "TpmToOsslDesSupport_fp.h"
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#endif
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#define TpmCryptSetEncryptKeyTDES(key, keySizeInBits, schedule) \
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TDES_set_encrypt_key((key), (keySizeInBits), (tpmKeyScheduleTDES *)(schedule))
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#define TpmCryptSetDecryptKeyTDES(key, keySizeInBits, schedule) \
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TDES_set_encrypt_key((key), (keySizeInBits), (tpmKeyScheduleTDES *)(schedule))
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// Macros to alias encryption calls to specific algorithms. This should be used
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// sparingly. Currently, only used by CryptRand.c
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#define TpmCryptEncryptTDES TDES_encrypt
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#define TpmCryptDecryptTDES TDES_decrypt
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#define tpmKeyScheduleTDES DES_key_schedule
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//***************************************************************
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//** Links to the OpenSSL SM4 code
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//***************************************************************
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// Macros to set up the encryption/decryption key schedules
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#define TpmCryptSetEncryptKeySM4(key, keySizeInBits, schedule) \
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SM4_set_key((key), (tpmKeyScheduleSM4 *)(schedule))
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#define TpmCryptSetDecryptKeySM4(key, keySizeInBits, schedule) \
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SM4_set_key((key), (tpmKeyScheduleSM4 *)(schedule))
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// Macros to alias encryption calls to specific algorithms. This should be used
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// sparingly.
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#define TpmCryptEncryptSM4 SM4_encrypt
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#define TpmCryptDecryptSM4 SM4_decrypt
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#define tpmKeyScheduleSM4 SM4_KEY
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//***************************************************************
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//** Links to the OpenSSL CAMELLIA code
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//***************************************************************
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// Macros to set up the encryption/decryption key schedules
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#define TpmCryptSetEncryptKeyCAMELLIA(key, keySizeInBits, schedule) \
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Camellia_set_key((key), (keySizeInBits), (tpmKeyScheduleCAMELLIA *)(schedule))
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#define TpmCryptSetDecryptKeyCAMELLIA(key, keySizeInBits, schedule) \
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Camellia_set_key((key), (keySizeInBits), (tpmKeyScheduleCAMELLIA *)(schedule))
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// Macros to alias encryption calls to specific algorithms. This should be used
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// sparingly.
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#define TpmCryptEncryptCAMELLIA Camellia_encrypt
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#define TpmCryptDecryptCAMELLIA Camellia_decrypt
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#define tpmKeyScheduleCAMELLIA CAMELLIA_KEY
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// Forward reference
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typedef union tpmCryptKeySchedule_t tpmCryptKeySchedule_t;
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// This definition would change if there were something to report
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#define SymLibSimulationEnd()
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#endif // SYM_LIB_DEFINED
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