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95d1e40283
New component to maintain seed retrieval and derivation: seed. 1. Retrieve seed from bootloader in Hypervisor's boot stage. 2. Derive virtual seed for Guest/Trusty if need. Tracked-On: #2724 Signed-off-by: Qi Yadong <yadong.qi@intel.com> Reviewed-by: Zhu Bing <bing.zhu@intel.com>
26 lines
569 B
C
26 lines
569 B
C
/*
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* Copyright (C) 2019 Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef SEED_H_
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#define SEED_H_
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struct physical_seed {
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struct seed_info seed_list[BOOTLOADER_SEED_MAX_ENTRIES];
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uint32_t num_seeds;
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uint32_t pad;
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};
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void init_seed(void);
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void append_seed_arg(char *cmd_dst, bool vm_is_sos);
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bool derive_virtual_seed(struct seed_info *seed_list, uint32_t *num_seeds,
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const uint8_t *salt, size_t salt_len, const uint8_t *info, size_t info_len);
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bool derive_attkb_enc_key(uint8_t *out_key);
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#endif /* SEED_H_ */
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