/** @file DCS configuration Copyright (c) 2016. Disk Cryptography Services for EFI (DCS), Alex Kolotnikov This program and the accompanying materials are licensed and made available under the terms and conditions of the [to be defined License, Version]. The full text of the license may be found at [opensource license to be defined] **/ #ifndef __DCSCFGLIB_H__ #define __DCSCFGLIB_H__ #include ////////////////////////////////////////////////////////////////////////// // DeList and GPT ////////////////////////////////////////////////////////////////////////// #define EFI_PART_TYPE_BASIC_DATA_PART_GUID \ { \ 0xEBD0A0A2, 0xB9E5, 0x4433, { 0x87, 0xC0, 0x68, 0xB6, 0xB7, 0x26, 0x99, 0xC7 } \ } #define EFI_PART_TYPE_MS_RESERVED_PART_GUID \ { \ 0xE3C9E316, 0x0B5C, 0x4DB8, { 0x81, 0x7D, 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE } \ } #define EFI_PART_TYPE_MS_RECOVERY_PART_GUID \ { \ 0xDE94BBA4, 0x06D1, 0x06D1, { 0xA1, 0x6A, 0xBF, 0xD5, 0x01, 0x79, 0xD6, 0xAC } \ } typedef struct _DCS_DISK_ENTRY_LIST DCS_DISK_ENTRY_LIST; typedef struct _DCS_DEP_EXEC DCS_DEP_EXEC; extern EFI_GUID gEfiPartTypeBasicDataPartGuid; extern EFI_GUID gEfiPartTypeMsReservedPartGuid; extern EFI_GUID gEfiPartTypeMsRecoveryPartGuid; extern UINT64 gDcsDiskEntryListHeaderID; extern DCS_DISK_ENTRY_LIST *DeList; extern DCS_DEP_EXEC *DeExecParams; // DcsCfg data extern CONST CHAR16* DcsDiskEntrysFileName; extern EFI_PARTITION_ENTRY DcsHidePart; extern EFI_PARTITION_ENTRY *GptMainEntrys; extern UINTN BootPartIdx; extern UINTN MirrorPartIdx; EFI_STATUS DeListParseSaved( IN UINT8 *DeBuffer ); EFI_STATUS DeListLoadFromFile(); EFI_STATUS DeListZero(); VOID DeListPrint(); VOID DeListSaveToFile(); EFI_STATUS DeListApplySectorsToDisk( IN UINTN diskIdx ); EFI_STATUS DeListExecEdit(); EFI_STATUS DeListPwdCacheEdit(); EFI_STATUS DeListRndSave(); EFI_STATUS DeListRndLoad(); EFI_STATUS GptLoadFromDisk( IN UINTN diskIdx ); VOID GptHideParts(); VOID GptSort(); VOID GptSqueze(); EFI_STATUS GptSyncMainAlt(); BOOLEAN GptAskGUID( IN char* prompt, IN OUT EFI_GUID* guid ); BOOLEAN IsRegionOverlap(UINT64 start1, UINT64 end1, UINT64 start2, UINT64 end2); ////////////////////////////////////////////////////////////////////////// // Random ////////////////////////////////////////////////////////////////////////// enum RndGeneratorTypes { RndTypeNone = 0, RndTypeFile, RndTypeRDRand, RndTypeDtrmHmacSha512 }; #define RND_HEADER_SIGN SIGNATURE_64('D','C','S','_','R','A','N','D') typedef struct _DCS_RND DCS_RND; typedef EFI_STATUS (*DCS_RND_PREPARE)( IN OUT DCS_RND *Rnd ); typedef EFI_STATUS (*DCS_RND_GET_BYTES)( IN DCS_RND *Rnd, OUT UINT8 *buf, IN UINTN len ); #pragma pack(1) /* state of DRBG HMAC SHA512 */ typedef struct _RND_DTRM_HMAC_SHA512_STATE { UINT8 V[64]; /* internal state 10.1.1.1 1a) */ UINT8 C[64]; /* hmac key */ UINT64 ReseedCtr; /* Number of RNG requests since last reseed --* 10.1.1.1 1c)*/ } RND_DTRM_HMAC_SHA512_STATE; typedef struct _RND_FILE_STATE { CHAR16 *FileName; UINT8 *Data; UINTN Size; UINTN Pos; } RND_FILE_STATE; typedef union _DCS_RND_STATE { RND_DTRM_HMAC_SHA512_STATE HMacSha512; RND_FILE_STATE File; } DCS_RND_STATE; typedef struct _DCS_RND_SAVED { UINT64 Sign; UINT32 CRC; UINT32 Size; UINT32 Type; UINT32 Pad; EFI_TIME SavedAt; DCS_RND_STATE State; UINT8 pad[512 - 8 - 4 - 4 - 4 - 4 - sizeof(EFI_TIME) - sizeof(DCS_RND_STATE)]; } DCS_RND_SAVED; #pragma pack() static_assert(sizeof(DCS_RND_SAVED) == 512, "Wrong size DCS_RND_SAVED"); typedef struct _DCS_RND { DCS_RND_PREPARE Prepare; DCS_RND_GET_BYTES GetBytes; UINT32 Type; UINT32 Pad; DCS_RND_STATE State; } DCS_RND; EFI_STATUS RndInit( IN UINTN rndType, IN VOID* Context, OUT DCS_RND **rnd); // Serialize rnd with state to/from memory EFI_STATUS RndLoad( IN DCS_RND_SAVED *rndSaved, OUT DCS_RND **rndOut ); EFI_STATUS RndSave( DCS_RND *rnd, DCS_RND_SAVED **rndSaved); // Global RND extern DCS_RND* gRnd; EFI_STATUS RndGetBytes(UINT8 *buf, UINTN len); EFI_STATUS RndPreapare(); #endif