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https://github.com/projectacrn/acrn-hypervisor.git
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b55511abd6
Remove tinycrypt files: Currently, hkdf_sha256 (based on Tinycrypt) is used by Trusty seed derivation. And we plan to remove Tinycrypt from ACRN hypervisor now, and replace it with another crypto lib in the future. Signed-off-by: Qi Yadong <yadong.qi@intel.com> Reviewed-by: Zhu Bing <bing.zhu@intel.com> Reviewed-by: Wang Kai <kai.z.wang@intel.com> Acked-by: Eddie Dong <eddie.dong@intel.com>
48 lines
2.1 KiB
C
48 lines
2.1 KiB
C
/*
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* Copyright (C) 2018 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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#include <rtl.h>
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int hkdf_sha256(uint8_t *out_key, size_t out_len,
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const uint8_t *secret, size_t secret_len,
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__unused const uint8_t *salt, __unused size_t salt_len,
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__unused const uint8_t *info, __unused size_t info_len)
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{
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/* FIXME: currently, we only support one AaaG/Trusty
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* instance, so just simply copy the h/w seed to Trusty.
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* In the future, we will choose another crypto library
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* to derive multiple seeds in order to support multiple
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* AaaG/Trusty instances.
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*/
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memcpy_s(out_key, out_len, secret, secret_len);
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return 1;
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}
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