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/********************************************************************************/
/* */
/* Splice the OpenSSL() library into the TPM code. */
/* Written by Ken Goldman */
/* IBM Thomas J. Watson Research Center */
/* $Id: TpmToOsslSym.h 1619 2020-05-19 16:51:47Z kgoldman $ */
/* */
/* Licenses and Notices */
/* */
/* 1. Copyright Licenses: */
/* */
/* - Trusted Computing Group (TCG) grants to the user of the source code in */
/* this specification (the "Source Code") a worldwide, irrevocable, */
/* nonexclusive, royalty free, copyright license to reproduce, create */
/* derivative works, distribute, display and perform the Source Code and */
/* derivative works thereof, and to grant others the rights granted herein. */
/* */
/* - The TCG grants to the user of the other parts of the specification */
/* (other than the Source Code) the rights to reproduce, distribute, */
/* display, and perform the specification solely for the purpose of */
/* developing products based on such documents. */
/* */
/* 2. Source Code Distribution Conditions: */
/* */
/* - Redistributions of Source Code must retain the above copyright licenses, */
/* this list of conditions and the following disclaimers. */
/* */
/* - Redistributions in binary form must reproduce the above copyright */
/* licenses, this list of conditions and the following disclaimers in the */
/* documentation and/or other materials provided with the distribution. */
/* */
/* 3. Disclaimers: */
/* */
/* - THE COPYRIGHT LICENSES SET FORTH ABOVE DO NOT REPRESENT ANY FORM OF */
/* LICENSE OR WAIVER, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, WITH */
/* RESPECT TO PATENT RIGHTS HELD BY TCG MEMBERS (OR OTHER THIRD PARTIES) */
/* THAT MAY BE NECESSARY TO IMPLEMENT THIS SPECIFICATION OR OTHERWISE. */
/* Contact TCG Administration (admin@trustedcomputinggroup.org) for */
/* information on specification licensing rights available through TCG */
/* membership agreements. */
/* */
/* - THIS SPECIFICATION IS PROVIDED "AS IS" WITH NO EXPRESS OR IMPLIED */
/* WARRANTIES WHATSOEVER, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR */
/* FITNESS FOR A PARTICULAR PURPOSE, ACCURACY, COMPLETENESS, OR */
/* NONINFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS, OR ANY WARRANTY */
/* OTHERWISE ARISING OUT OF ANY PROPOSAL, SPECIFICATION OR SAMPLE. */
/* */
/* - Without limitation, TCG and its members and licensors disclaim all */
/* liability, including liability for infringement of any proprietary */
/* rights, relating to use of information in this specification and to the */
/* implementation of this specification, and TCG disclaims all liability for */
/* cost of procurement of substitute goods or services, lost profits, loss */
/* of use, loss of data or any incidental, consequential, direct, indirect, */
/* or special damages, whether under contract, tort, warranty or otherwise, */
/* arising in any way out of use or reliance upon this specification or any */
/* information herein. */
/* */
/* (c) Copyright IBM Corp. and others, 2016 - 2020 */
/* */
/********************************************************************************/
/* B.2.3.2. TpmToOsslSym.h */
/* B.2.3.2.1. Introduction */
/* This header file is used to splice the OpenSSL() library into the TPM code. */
/* The support required of a library are a hash module, a block cipher module and portions of a big
number library. All of the library-dependent headers should have the same guard to that only the
first one gets defined. */
#ifndef SYM_LIB_DEFINED
#define SYM_LIB_DEFINED
#define SYM_LIB_OSSL
#include <openssl/aes.h>
#if ALG_TDES
#include <openssl/des.h>
#endif
#if ALG_SM4
# if defined(OPENSSL_NO_SM4) || OPENSSL_VERSION_NUMBER < 0x10101010L
# undef ALG_SM4
# define ALG_SM4 ALG_NO
# elif OPENSSL_VERSION_NUMBER >= 0x10200000L
# include <openssl/sm4.h>
# else
// OpenSSL 1.1.1 keeps smX.h headers in the include/crypto directory,
// and they do not get installed as part of the libssl package
# define SM4_KEY_SCHEDULE 32
typedef struct SM4_KEY_st {
uint32_t rk[SM4_KEY_SCHEDULE];
} SM4_KEY;
int SM4_set_key(const uint8_t *key, SM4_KEY *ks);
void SM4_encrypt(const uint8_t *in, uint8_t *out, const SM4_KEY *ks);
void SM4_decrypt(const uint8_t *in, uint8_t *out, const SM4_KEY *ks);
# endif // OpenSSL < 1.2
#endif // ALG_SM4
#if ALG_CAMELLIA
#include <openssl/camellia.h>
#endif
#include <openssl/bn.h>
#include <openssl/ossl_typ.h>
/* B.2.2.3.2. Links to the OpenSSL symmetric algorithms */
// The Crypt functions that call the block encryption function use the parameters in the order:
// a) keySchedule
// b) in buffer
// c) out buffer Since open SSL uses the order in encryptoCall_t above, need to swizzle the values
// to the order required by the library.
#define SWIZZLE(keySchedule, in, out) \
(const BYTE *)(in), (BYTE *)(out), (void *)(keySchedule)
// Define the order of parameters to the library functions that do block encryption and decryption.
typedef void(*TpmCryptSetSymKeyCall_t)(
const BYTE *in,
BYTE *out,
void *keySchedule
);
#define SYM_ALIGNMENT 4 /* libtpms: keep old value */
/* B.2.2.3.3. Links to the OpenSSL AES code */
/* Macros to set up the encryption/decryption key schedules */
#define TpmCryptSetEncryptKeyAES(key, keySizeInBits, schedule) \
AES_set_encrypt_key((key), (keySizeInBits), (tpmKeyScheduleAES *)(schedule))
#define TpmCryptSetDecryptKeyAES(key, keySizeInBits, schedule) \
AES_set_decrypt_key((key), (keySizeInBits), (tpmKeyScheduleAES *)(schedule))
/* Macros to alias encryption calls to specific algorithms. This should be used
sparingly. Currently, only used by CryptSym.c and CryptRand.c */
/* When using these calls, to call the AES block encryption code, the caller should use:
TpmCryptEncryptAES(SWIZZLE(keySchedule, in, out)); */
#define TpmCryptEncryptAES AES_encrypt
#define TpmCryptDecryptAES AES_decrypt
#define tpmKeyScheduleAES AES_KEY
/* B.2.2.3.4. Links to the OpenSSL DES code */
#if ALG_TDES && 0 // libtpms changed
#include "TpmToOsslDesSupport_fp.h"
#endif
#define TpmCryptSetEncryptKeyTDES(key, keySizeInBits, schedule) \
TDES_set_encrypt_key((key), (keySizeInBits), (tpmKeyScheduleTDES *)(schedule))
#define TpmCryptSetDecryptKeyTDES(key, keySizeInBits, schedule) \
TDES_set_encrypt_key((key), (keySizeInBits), (tpmKeyScheduleTDES *)(schedule))
/* Macros to alias encryption calls to specific algorithms. This should be used
sparingly. Currently, only used by CryptRand.c */
#define TpmCryptEncryptTDES TDES_encrypt
#define TpmCryptDecryptTDES TDES_decrypt
#define tpmKeyScheduleTDES DES_key_schedule
#if ALG_TDES // libtpms added begin
#include "TpmToOsslDesSupport_fp.h"
#endif // libtpms added end
/* B.2.2.3.5. Links to the OpenSSL SM4 code */
/* Macros to set up the encryption/decryption key schedules */
#define TpmCryptSetEncryptKeySM4(key, keySizeInBits, schedule) \
SM4_set_key((key), (tpmKeyScheduleSM4 *)(schedule))
#define TpmCryptSetDecryptKeySM4(key, keySizeInBits, schedule) \
SM4_set_key((key), (tpmKeyScheduleSM4 *)(schedule))
/* Macros to alias encryption calls to specific algorithms. This should be used sparingly. */
#define TpmCryptEncryptSM4 SM4_encrypt
#define TpmCryptDecryptSM4 SM4_decrypt
#define tpmKeyScheduleSM4 SM4_KEY
/* B.2.2.3.6. Links to the OpenSSL CAMELLIA code */
/* Macros to set up the encryption/decryption key schedules */
#define TpmCryptSetEncryptKeyCAMELLIA(key, keySizeInBits, schedule) \
Camellia_set_key((key), (keySizeInBits), (tpmKeyScheduleCAMELLIA *)(schedule))
#define TpmCryptSetDecryptKeyCAMELLIA(key, keySizeInBits, schedule) \
Camellia_set_key((key), (keySizeInBits), (tpmKeyScheduleCAMELLIA *)(schedule))
/* Macros to alias encryption calls to specific algorithms. This should be used sparingly. */
#define TpmCryptEncryptCAMELLIA Camellia_encrypt
#define TpmCryptDecryptCAMELLIA Camellia_decrypt
#define tpmKeyScheduleCAMELLIA CAMELLIA_KEY
/* Forward reference */
// kgold typedef union tpmCryptKeySchedule_t tpmCryptKeySchedule_t;
/* This definition would change if there were something to report */
#define SymLibSimulationEnd()
#endif // SYM_LIB_DEFINED
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