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/********************************************************************************/
/* */
/* Platform Dependent Crypto */
/* Written by Ken Goldman */
/* IBM Thomas J. Watson Research Center */
/* $Id: tpm_crypto.h 4406 2011-02-08 22:11:37Z kgoldman $ */
/* */
/* (c) Copyright IBM Corporation 2006, 2010. */
/* */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or without */
/* modification, are permitted provided that the following conditions are */
/* met: */
/* */
/* Redistributions of source code must retain the above copyright notice, */
/* this list of conditions and the following disclaimer. */
/* */
/* Redistributions in binary form must reproduce the above copyright */
/* notice, this list of conditions and the following disclaimer in the */
/* documentation and/or other materials provided with the distribution. */
/* */
/* Neither the names of the IBM Corporation nor the names of its */
/* contributors may be used to endorse or promote products derived from */
/* this software without specific prior written permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR */
/* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
/* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, */
/* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY */
/* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE */
/* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/********************************************************************************/
#ifndef TPM_CRYPTO_H
#define TPM_CRYPTO_H
#include "config.h" /* libtpms added */
#include "tpm_secret.h"
#include "tpm_types.h"
/* self test */
TPM_RESULT TPM_Crypto_Init(void);
TPM_RESULT TPM_Crypto_TestSpecific(void);
/* random number */
TPM_RESULT TPM_Random(BYTE *buffer, size_t bytes);
TPM_RESULT TPM_StirRandomCmd(TPM_SIZED_BUFFER *inData);
/*
bignum
*/
TPM_RESULT TPM_BN_num_bytes(unsigned int *numBytes, TPM_BIGNUM bn_in);
TPM_RESULT TPM_BN_is_one(TPM_BIGNUM bn_in);
TPM_RESULT TPM_BN_mod(TPM_BIGNUM rem_in,
const TPM_BIGNUM a_in,
const TPM_BIGNUM m_in);
TPM_RESULT TPM_BN_mask_bits(TPM_BIGNUM bn_in, unsigned int n);
TPM_RESULT TPM_BN_rshift(TPM_BIGNUM *rBignum_in,
TPM_BIGNUM aBignum_in,
int n);
TPM_RESULT TPM_BN_lshift(TPM_BIGNUM *rBignum_in,
TPM_BIGNUM aBignum_in,
int n);
TPM_RESULT TPM_BN_add(TPM_BIGNUM rBignum_in,
TPM_BIGNUM aBignum_in,
TPM_BIGNUM bBignum_in);
TPM_RESULT TPM_BN_mul(TPM_BIGNUM rBignum_in,
TPM_BIGNUM aBignum_in,
TPM_BIGNUM bBignum_in);
TPM_RESULT TPM_BN_mod_exp(TPM_BIGNUM rBignum_in,
TPM_BIGNUM aBignum_in,
TPM_BIGNUM pBignum_in,
TPM_BIGNUM nBignum_in);
TPM_RESULT TPM_BN_mod_mul(TPM_BIGNUM rBignum_in,
TPM_BIGNUM aBignum_in,
TPM_BIGNUM bBignum_in,
TPM_BIGNUM mBignum_in);
TPM_RESULT TPM_BN_mod_add(TPM_BIGNUM rBignum_in,
TPM_BIGNUM aBignum_in,
TPM_BIGNUM bBignum_in,
TPM_BIGNUM mBignum_in);
TPM_RESULT TPM_bin2bn(TPM_BIGNUM *bn_in,
const unsigned char *bin,
unsigned int bytes);
TPM_RESULT TPM_bn2bin(unsigned char *bin,
TPM_BIGNUM bn_in);
TPM_RESULT TPM_BN_new(TPM_BIGNUM *bn_in);
void TPM_BN_free(TPM_BIGNUM bn_in);
/* RSA */
TPM_RESULT TPM_RSAGenerateKeyPair(unsigned char **n,
unsigned char **p,
unsigned char **q,
unsigned char **d,
int num_bit,
const unsigned char *earr,
uint32_t e_size);
TPM_RESULT TPM_RSAPrivateDecrypt(unsigned char *decrypt_data,
uint32_t *decrypt_data_length,
size_t decrypt_data_size,
TPM_ENC_SCHEME encScheme,
unsigned char* encrypt_data,
uint32_t encrypt_data_size,
unsigned char *n,
uint32_t nbytes,
unsigned char *e,
uint32_t ebytes,
unsigned char *d,
uint32_t dbytes);
TPM_RESULT TPM_RSAPublicEncrypt(unsigned char* encrypt_data,
size_t encrypt_data_size,
TPM_ENC_SCHEME encScheme,
const unsigned char *decrypt_data,
size_t decrypt_data_size,
unsigned char *narr,
uint32_t nbytes,
unsigned char *earr,
uint32_t ebytes);
#if USE_FREEBL_CRYPTO_LIBRARY
TPM_RESULT TPM_RSAPublicEncryptRaw(unsigned char *encrypt_data,
uint32_t encrypt_data_size,
unsigned char *decrypt_data,
uint32_t decrypt_data_size,
unsigned char *narr,
uint32_t nbytes,
unsigned char *earr,
uint32_t ebytes);
#endif
TPM_RESULT TPM_RSAGetPrivateKey(uint32_t *qbytes, unsigned char **qarr,
uint32_t *dbytes, unsigned char **darr,
uint32_t nbytes, unsigned char *narr,
uint32_t ebytes, unsigned char *earr,
uint32_t pbytes, unsigned char *parr);
TPM_RESULT TPM_RSASign(unsigned char *signature,
unsigned int *signature_length,
unsigned int signature_size,
TPM_SIG_SCHEME sigScheme,
const unsigned char *message,
size_t message_size,
unsigned char *narr,
uint32_t nbytes,
unsigned char *earr,
uint32_t ebytes,
unsigned char *darr,
uint32_t dbytes);
TPM_RESULT TPM_RSAVerifySHA1(unsigned char *signature,
unsigned int signature_size,
const unsigned char *message,
uint32_t message_size,
unsigned char *narr,
uint32_t nbytes,
unsigned char *earr,
uint32_t ebytes);
/* SHA-1 */
TPM_RESULT TPM_SHA1InitCmd(void **context);
TPM_RESULT TPM_SHA1UpdateCmd(void *context, const unsigned char *data, uint32_t length);
TPM_RESULT TPM_SHA1FinalCmd(unsigned char *md, void *context);
void TPM_SHA1Delete(void **context);
/* SHA-1 Context */
TPM_RESULT TPM_Sha1Context_Load(void **context,
unsigned char **stream,
uint32_t *stream_size);
TPM_RESULT TPM_Sha1Context_Store(TPM_STORE_BUFFER *sbuffer,
void *context);
/*
TPM_SYMMETRIC_KEY_DATA
*/
TPM_RESULT TPM_SymmetricKeyData_New(TPM_SYMMETRIC_KEY_TOKEN *tpm_symmetric_key_data);
void TPM_SymmetricKeyData_Free(TPM_SYMMETRIC_KEY_TOKEN *tpm_symmetric_key_data);
void TPM_SymmetricKeyData_Init(TPM_SYMMETRIC_KEY_TOKEN tpm_symmetric_key_token);
TPM_RESULT TPM_SymmetricKeyData_Load(TPM_SYMMETRIC_KEY_TOKEN tpm_symmetric_key_token,
unsigned char **stream,
uint32_t *stream_size);
TPM_RESULT TPM_SymmetricKeyData_Store(TPM_STORE_BUFFER *sbuffer,
const TPM_SYMMETRIC_KEY_TOKEN tpm_symmetric_key_token);
TPM_RESULT TPM_SymmetricKeyData_GenerateKey(TPM_SYMMETRIC_KEY_TOKEN tpm_symmetric_key_token);
TPM_RESULT TPM_SymmetricKeyData_Encrypt(unsigned char **encrypt_data,
uint32_t *encrypt_length,
const unsigned char *decrypt_data,
uint32_t decrypt_length,
const TPM_SYMMETRIC_KEY_TOKEN tpm_symmetric_key_token);
TPM_RESULT TPM_SymmetricKeyData_Decrypt(unsigned char **decrypt_data,
uint32_t *decrypt_length,
const unsigned char *encrypt_data,
uint32_t encrypt_length,
const TPM_SYMMETRIC_KEY_TOKEN tpm_symmetric_key_token);
TPM_RESULT TPM_SymmetricKeyData_CtrCrypt(unsigned char *data_out,
const unsigned char *data_in,
uint32_t data_size,
const unsigned char *symmetric_key,
uint32_t symmetric_key_size,
const unsigned char *ctr_in,
uint32_t ctr_in_size);
TPM_RESULT TPM_SymmetricKeyData_OfbCrypt(unsigned char *data_out,
const unsigned char *data_in,
uint32_t data_size,
const unsigned char *symmetric_key,
uint32_t symmetric_key_size,
unsigned char *ivec_in,
uint32_t ivec_in_size);
#endif
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