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/*
* Copyright 2018 Intel Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// Author: Arun Kumar Sekar
#ifndef CRYPTO_AUX
#define CRYPTO_AUX
#include <string.h>
#include <sapi/tpm20.h>
#include <openssl/rsa.h>
#include <openssl/aes.h>
#include <openssl/rsa.h>
#include <openssl/sha.h>
#include <openssl/hmac.h>
#include <openssl/evp.h>
typedef BYTE* PBYTE;
int RSA_OAEP_Enc(TPM2B_PUBLIC_KEY_RSA *plain, // plain text to encrypt
//Size of plain (0 <= pl <= kl - (2 * hashLen + 2)
TPM2B_PUBLIC_KEY_RSA *cipher, // must be same size as key in bytes
TPM2B_PUBLIC_KEY_RSA *key, // Key in big endian byte array
TPM2B_DATA *encoding_params // Null terminated string like
// ((unsigned char*)"DUPLICATE")
// length of encoding parameter includes \0
// (10 in DUPLICATE case..)
);
void AES_128_CFB_enc_dec(
TPM2B *in,
TPM2B *out,
const TPM2B *const key,
const TPM2B *const ivIn,
TPM2B *ivOut,
const TPMI_YES_NO enc);
TPM_RC KDFa( TPMI_ALG_HASH hashAlg, TPM2B *key, char *label,
TPM2B *contextU, TPM2B *contextV, UINT16 bits, TPM2B_MAX_BUFFER *resultKey );
UINT32 OpenSslHmac( TPMI_ALG_HASH hashAlg, TPM2B *key,TPM2B **bufferList, TPM2B_DIGEST *result );
void print_buff(char * data, int len, const PBYTE buff);
#endif
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