1 /** @file 2 FMP capsule authenitcation Library. 3 4 Copyright (c) 2016, Intel Corporation. All rights reserved.<BR> 5 This program and the accompanying materials 6 are licensed and made available under the terms and conditions of the BSD License 7 which accompanies this distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 **/ 14 15 16 #ifndef __FMP_AUTHENTICATION_LIB_H__ 17 #define __FMP_AUTHENTICATION_LIB_H__ 18 19 #include <Protocol/FirmwareManagement.h> 20 21 /** 22 The function is used to do the authentication for FMP capsule based upon 23 EFI_FIRMWARE_IMAGE_AUTHENTICATION. 24 25 The FMP capsule image should start with EFI_FIRMWARE_IMAGE_AUTHENTICATION, 26 followed by the payload. 27 28 If the return status is RETURN_SUCCESS, the caller may continue the rest 29 FMP update process. 30 If the return status is NOT RETURN_SUCCESS, the caller should stop the FMP 31 update process and convert the return status to LastAttemptStatus 32 to indicate that FMP update fails. 33 The LastAttemptStatus can be got from ESRT table or via 34 EFI_FIRMWARE_MANAGEMENT_PROTOCOL.GetImageInfo(). 35 36 Caution: This function may receive untrusted input. 37 38 @param[in] Image Points to an FMP authentication image, started from EFI_FIRMWARE_IMAGE_AUTHENTICATION. 39 @param[in] ImageSize Size of the authentication image in bytes. 40 @param[in] PublicKeyData The public key data used to validate the signature. 41 @param[in] PublicKeyDataLength The length of the public key data. 42 43 @retval RETURN_SUCCESS Authentication pass. 44 The LastAttemptStatus should be LAST_ATTEMPT_STATUS_SUCCESS. 45 @retval RETURN_SECURITY_VIOLATION Authentication fail. 46 The LastAttemptStatus should be LAST_ATTEMPT_STATUS_ERROR_AUTH_ERROR. 47 @retval RETURN_INVALID_PARAMETER The image is in an invalid format. 48 The LastAttemptStatus should be LAST_ATTEMPT_STATUS_ERROR_INVALID_FORMAT. 49 @retval RETURN_UNSUPPORTED No Authentication handler associated with CertType. 50 The LastAttemptStatus should be LAST_ATTEMPT_STATUS_ERROR_INVALID_FORMAT. 51 @retval RETURN_UNSUPPORTED Image or ImageSize is invalid. 52 The LastAttemptStatus should be LAST_ATTEMPT_STATUS_ERROR_INVALID_FORMAT. 53 @retval RETURN_OUT_OF_RESOURCES No Authentication handler associated with CertType. 54 The LastAttemptStatus should be LAST_ATTEMPT_STATUS_ERROR_INSUFFICIENT_RESOURCES. 55 **/ 56 RETURN_STATUS 57 EFIAPI 58 AuthenticateFmpImage ( 59 IN EFI_FIRMWARE_IMAGE_AUTHENTICATION *Image, 60 IN UINTN ImageSize, 61 IN CONST UINT8 *PublicKeyData, 62 IN UINTN PublicKeyDataLength 63 ); 64 65 #endif 66 67
