1 /* Microsoft Reference Implementation for TPM 2.0 2 * 3 * The copyright in this software is being made available under the BSD License, 4 * included below. This software may be subject to other third party and 5 * contributor rights, including patent rights, and no such rights are granted 6 * under this license. 7 * 8 * Copyright (c) Microsoft Corporation 9 * 10 * All rights reserved. 11 * 12 * BSD License 13 * 14 * Redistribution and use in source and binary forms, with or without modification, 15 * are permitted provided that the following conditions are met: 16 * 17 * Redistributions of source code must retain the above copyright notice, this list 18 * of conditions and the following disclaimer. 19 * 20 * Redistributions in binary form must reproduce the above copyright notice, this 21 * list of conditions and the following disclaimer in the documentation and/or other 22 * materials provided with the distribution. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ""AS IS"" 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 28 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 31 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 //** Introduction 37 // 38 // This header file is used to "splice" the TPM to the LTC symmetric cipher code. 39 40 #ifndef SYM_LIB_DEFINED 41 #define SYM_LIB_DEFINED 42 43 #define SYM_LIB_LTC 44 45 #define SYM_ALIGNMENT RADIX_BYTES 46 47 // Avoid pulling in the MPA math if not doing asymmetric with LTC 48 #if !(defined MATH_LIB_LTC) 49 # define LTC_NO_ASYMMETRIC 50 #endif 51 52 #include "LtcSettings.h" 53 54 //*************************************************************** 55 //******** Linking to the TomCrypt AES code ********************* 56 //*************************************************************** 57 58 #if ALG_SM4 59 #error "SM4 is not available" 60 #endif 61 62 #if ALG_CAMELLIA 63 #error "Camellia is not available" 64 #endif 65 66 // Define the order of parameters to the functions that do block encryption and 67 // decryption. 68 typedef void(*TpmCryptSetSymKeyCall_t)( 69 const void *in, 70 void *out, 71 void *keySchedule 72 ); 73 74 // Macro to put the parameters in the order required by the library 75 #define SWIZZLE(keySchedule, in, out) \ 76 (const void *)(in), (void *)(out), (void *)(keySchedule) 77 78 // Macros to set up the encryption/decryption key schedules 79 // 80 // AES: 81 # define TpmCryptSetEncryptKeyAES(key, keySizeInBits, schedule) \ 82 aes_setup((key), BITS_TO_BYTES(keySizeInBits), 0, (symmetric_key *)(schedule)) 83 # define TpmCryptSetDecryptKeyAES(key, keySizeInBits, schedule) \ 84 aes_setup((key), BITS_TO_BYTES(keySizeInBits), 0, (symmetric_key *)(schedule)) 85 86 // TDES: 87 # define TpmCryptSetEncryptKeyTDES(key, keySizeInBits, schedule) \ 88 TDES_setup((key), (keySizeInBits), (symmetric_key *)(schedule)) 89 # define TpmCryptSetDecryptKeyTDES(key, keySizeInBits, schedule) \ 90 TDES_setup((key), (keySizeInBits), (symmetric_key *)(schedule)) 91 92 93 // Macros to alias encrypt and decrypt function calls to library-specific values 94 // sparingly. These should be used sparingly. Currently, they are only used by 95 // CryptRand.c in the AES version of the DRBG. 96 #define TpmCryptEncryptAES aes_ecb_encrypt 97 #define TpmCryptDecryptAES aes_ecb_decrypt 98 #define tpmKeyScheduleAES struct rijndael_key 99 // 100 #define TpmCryptEncryptTDES des3_ecb_encrypt 101 #define TpmCryptDecryptTDES des3_ecb_decrypt 102 #define tpmKeyScheduleTDES struct des3_key 103 104 typedef union tpmCryptKeySchedule_t tpmCryptKeySchedule_t; 105 106 #include "TpmToLtcDesSupport_fp.h" 107 108 // This is used to trigger printing of simulation statistics 109 110 #define SymLibSimulationEnd() 111 112 #endif // SYM_LIB_DEFINED 113