81 lines
3.2 KiB
C
81 lines
3.2 KiB
C
/*
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* Copyright (c) 2014, Freescale Semiconductor, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* o Redistributions of source code must retain the above copyright notice, this list
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* of conditions and the following disclaimer.
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*
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* o Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY 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 OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _aes128_key_wrap_unwrap_h
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#define _aes128_key_wrap_unwrap_h
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//! @addtogroup aes_key_wrap
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//! @{
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////////////////////////////////////////////////////////////////////////////////
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// API
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////////////////////////////////////////////////////////////////////////////////
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#if defined(__cplusplus)
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extern "C" {
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#endif
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//! @name aes_key_wrap
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//@{
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//! @brief Encrypt and wrap plaintext key.
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//!
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//! @param plaintext 40 byte plaintext input array
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//! @param wrapped_ciphertext 48 byte wrapped output array
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//! @param expanded_kek Expanded kek (64 bytes)
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void do_aes128_key_wrap(const unsigned char plaintext[],
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unsigned char wrapped_ciphertext[],
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unsigned int expanded_kek[]);
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//! @brief Decrypt and unwrap wrapped key.
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//!
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//! @param wrapped_ciphertext 48 byte wrapped input array
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//! @param unwrapped_plaintext 48 byte plaintext output array, Note: this includes an 8 byte IV header
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//! that is added to start of the original 40 input bytes by the wrapping
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//! @param expanded_kek Expanded kek (64 ints on host, 4 ints on device)
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//! @retval -1 on error
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//! @retval 0 on success
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unsigned int do_aes128_key_unwrap(const unsigned char wrapped_ciphertext[],
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unsigned char unwrapped_plaintext[],
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unsigned int expanded_kek[]);
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//@}
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#if defined(__cplusplus)
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}
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#endif
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//! @}
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#endif // _aes128_key_wrap_unwrap_h
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////////////////////////////////////////////////////////////////////////////////
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// EOF
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////////////////////////////////////////////////////////////////////////////////
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