mirror of
https://github.com/intel/linux-sgx
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Li, Xun
97 lines
3.5 KiB
C
97 lines
3.5 KiB
C
/*
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* Copyright (C) 2011-2020 Intel Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* 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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef SGX_PCL_INTERNAL_H
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#define SGX_PCL_INTERNAL_H
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#define ALIGN_X2Y_AUX(x,y) \
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(x % y ? x + y - (x % y) : x)
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#define ALIGN_X2Y(x,y) ALIGN_X2Y_AUX((x),(y))
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#define CASTU8P(x) ((uint8_t*)(x))
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#define CAST_VOLATILE_U8P(x) ((volatile uint8_t*)(x))
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#define CASTU64(x) ((uint64_t)(x))
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#define ROUND_TO(x,y) ALIGN_X2Y(x,y)
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#define MAX(x,y) ((x)>(y)?(x):(y))
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#define assert(x)
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#ifdef __cplusplus
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extern "C" {
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#endif // #ifdef __cplusplus
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void pcl_memcpy(OUT void* dst, IN void* src, size_t size);
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void pcl_memset(OUT void* dst, uint8_t val, size_t size);
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void pcl_volatile_memset(OUT volatile void* dst, uint8_t val, size_t size);
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// code taken from consttime_memequal
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uint32_t pcl_consttime_memequal(IN const void *b1, IN const void *b2, size_t len);
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int pcl_decrypt(
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IN unsigned char *ciphertext,
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size_t ciphertext_len,
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IN unsigned char *aad,
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size_t aad_len,
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IN unsigned char *tag,
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IN unsigned char *key,
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IN unsigned char *iv,
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OUT unsigned char *plaintext);
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sgx_status_t pcl_sha256(IN uint8_t* buf, size_t buflen, OUT uint8_t* hash);
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sgx_status_t pcl_unseal_data(
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IN const sgx_sealed_data_t *p_sealed_data,
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IN uint8_t *p_additional_MACtext,
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INOUT uint32_t *p_additional_MACtext_length,
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OUT uint8_t *p_decrypted_text,
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INOUT uint32_t *p_decrypted_text_length);
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sgx_status_t pcl_gcm_decrypt(
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IN uint8_t* plaintext,
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OUT uint8_t* ciphertext,
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size_t textlen,
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IN uint8_t* aad,
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size_t aad_len,
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IN uint8_t* key,
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IN uint8_t* iv,
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IN uint8_t* tag);
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uint32_t pcl_bswap32(uint32_t val);
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uint64_t pcl_bswap64(uint64_t val);
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sgx_status_t pcl_increment_iv(INOUT uint8_t* iv);
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int pcl_is_outside_enclave(const void *addr, size_t size);
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int pcl_is_within_enclave(const void *addr, size_t size);
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#ifdef __cplusplus
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}; // extern "C"
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#endif // #ifdef __cplusplus
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#endif // #ifndef SGX_PCL_INTERNAL_H
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