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61 lines
2.7 KiB
C
61 lines
2.7 KiB
C
/** @file
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NULL FMP authentication library.
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Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Uefi.h>
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#include <Library/DebugLib.h>
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#include <Library/FmpAuthenticationLib.h>
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/**
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The function is used to do the authentication for FMP capsule based upon
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EFI_FIRMWARE_IMAGE_AUTHENTICATION.
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The FMP capsule image should start with EFI_FIRMWARE_IMAGE_AUTHENTICATION,
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followed by the payload.
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If the return status is RETURN_SUCCESS, the caller may continue the rest
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FMP update process.
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If the return status is NOT RETURN_SUCCESS, the caller should stop the FMP
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update process and convert the return status to LastAttemptStatus
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to indicate that FMP update fails.
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The LastAttemptStatus can be got from ESRT table or via
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EFI_FIRMWARE_MANAGEMENT_PROTOCOL.GetImageInfo().
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Caution: This function may receive untrusted input.
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@param[in] Image Points to an FMP authentication image, started from EFI_FIRMWARE_IMAGE_AUTHENTICATION.
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@param[in] ImageSize Size of the authentication image in bytes.
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@param[in] PublicKeyData The public key data used to validate the signature.
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@param[in] PublicKeyDataLength The length of the public key data.
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@retval RETURN_SUCCESS Authentication pass.
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The LastAttemptStatus should be LAST_ATTEMPT_STATUS_SUCCESS.
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@retval RETURN_SECURITY_VIOLATION Authentication fail.
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The LastAttemptStatus should be LAST_ATTEMPT_STATUS_ERROR_AUTH_ERROR.
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@retval RETURN_INVALID_PARAMETER The image is in an invalid format.
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The LastAttemptStatus should be LAST_ATTEMPT_STATUS_ERROR_INVALID_FORMAT.
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@retval RETURN_UNSUPPORTED No Authentication handler associated with CertType.
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The LastAttemptStatus should be LAST_ATTEMPT_STATUS_ERROR_INVALID_FORMAT.
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@retval RETURN_UNSUPPORTED Image or ImageSize is invalid.
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The LastAttemptStatus should be LAST_ATTEMPT_STATUS_ERROR_INVALID_FORMAT.
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@retval RETURN_OUT_OF_RESOURCES No Authentication handler associated with CertType.
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The LastAttemptStatus should be LAST_ATTEMPT_STATUS_ERROR_INSUFFICIENT_RESOURCES.
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**/
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RETURN_STATUS
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EFIAPI
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AuthenticateFmpImage (
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IN EFI_FIRMWARE_IMAGE_AUTHENTICATION *Image,
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IN UINTN ImageSize,
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IN CONST UINT8 *PublicKeyData,
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IN UINTN PublicKeyDataLength
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)
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{
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ASSERT(FALSE);
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return RETURN_UNSUPPORTED;
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}
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