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1bb0a21b46
Adds an API that verifies a signature attached to an image (binary blob). This API is basically a entry to a secure ROM service provided by the device and accessed via an SMC call, using a particular calling convention. Signed-off-by: Daniel Allred <d-allred@ti.com> Signed-off-by: Andreas Dannenberg <dannenberg@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com>
31 lines
931 B
C
31 lines
931 B
C
/*
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* (C) Copyright 2016
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* Texas Instruments, <www.ti.com>
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*
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* Andreas Dannenberg <dannenberg@ti.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _OMAP_SEC_COMMON_H_
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#define _OMAP_SEC_COMMON_H_
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#include <common.h>
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/*
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* Invoke secure ROM API on high-security (HS) device variants. It formats
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* the variable argument list into the format expected by the ROM code before
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* triggering the actual low-level smc entry.
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*/
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u32 secure_rom_call(u32 service, u32 proc_id, u32 flag, ...);
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/*
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* Invoke a secure ROM API on high-secure (HS) device variants that can be used
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* to verify a secure blob by authenticating and optionally decrypting it. The
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* exact operation performed depends on how the certificate that was embedded
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* into the blob during the signing/encryption step when the secure blob was
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* first created.
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*/
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int secure_boot_verify_image(void **p_image, size_t *p_size);
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#endif /* _OMAP_SEC_COMMON_H_ */
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