Hash2.h

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#ifndef __EFI_HASH2_PROTOCOL_H__
#define __EFI_HASH2_PROTOCOL_H__
 
#define EFI_HASH2_SERVICE_BINDING_PROTOCOL_GUID \
  { \
    0xda836f8d, 0x217f, 0x4ca0, { 0x99, 0xc2, 0x1c, 0xa4, 0xe1, 0x60, 0x77, 0xea } \
  }
 
#define EFI_HASH2_PROTOCOL_GUID \
  { \
    0x55b1d734, 0xc5e1, 0x49db, { 0x96, 0x47, 0xb1, 0x6a, 0xfb, 0xe, 0x30, 0x5b } \
  }
 
#include <Protocol/Hash.h>
 
//
// NOTE:
// Algorithms EFI_HASH_ALGORITHM_SHA1_NOPAD and
// EFI_HASH_ALGORITHM_SHA256_NOPAD_GUID are not compatible with
// EFI_HASH2_PROTOCOL and will return EFI_UNSUPPORTED if used with any
// EFI_HASH2_PROTOCOL function.
//
 
//
// Note: SHA-1 and MD5 are included for backwards compatibility.
// New driver implementations are encouraged to consider stronger algorithms.
//
 
typedef struct _EFI_HASH2_PROTOCOL EFI_HASH2_PROTOCOL;
 
typedef UINT8 EFI_MD5_HASH2[16];
typedef UINT8 EFI_SHA1_HASH2[20];
typedef UINT8 EFI_SHA224_HASH2[28];
typedef UINT8 EFI_SHA256_HASH2[32];
typedef UINT8 EFI_SHA384_HASH2[48];
typedef UINT8 EFI_SHA512_HASH2[64];
 
typedef union {
  EFI_MD5_HASH2       Md5Hash;
  EFI_SHA1_HASH2      Sha1Hash;
  EFI_SHA224_HASH2    Sha224Hash;
  EFI_SHA256_HASH2    Sha256Hash;
  EFI_SHA384_HASH2    Sha384Hash;
  EFI_SHA512_HASH2    Sha512Hash;
} EFI_HASH2_OUTPUT;
 
typedef
EFI_STATUS
(EFIAPI *EFI_HASH2_GET_HASH_SIZE)(
  IN  CONST EFI_HASH2_PROTOCOL     *This,
  IN  CONST EFI_GUID               *HashAlgorithm,
  OUT UINTN                        *HashSize
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_HASH2_HASH)(
  IN CONST EFI_HASH2_PROTOCOL      *This,
  IN CONST EFI_GUID                *HashAlgorithm,
  IN CONST UINT8                   *Message,
  IN UINTN                         MessageSize,
  IN OUT EFI_HASH2_OUTPUT          *Hash
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_HASH2_HASH_INIT)(
  IN CONST EFI_HASH2_PROTOCOL      *This,
  IN CONST EFI_GUID                *HashAlgorithm
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_HASH2_HASH_UPDATE)(
  IN CONST EFI_HASH2_PROTOCOL      *This,
  IN CONST UINT8                   *Message,
  IN UINTN                         MessageSize
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_HASH2_HASH_FINAL)(
  IN CONST EFI_HASH2_PROTOCOL      *This,
  IN OUT EFI_HASH2_OUTPUT          *Hash
  );
 
struct _EFI_HASH2_PROTOCOL {
  EFI_HASH2_GET_HASH_SIZE    GetHashSize;
  EFI_HASH2_HASH             Hash;
  EFI_HASH2_HASH_INIT        HashInit;
  EFI_HASH2_HASH_UPDATE      HashUpdate;
  EFI_HASH2_HASH_FINAL       HashFinal;
};
 
extern EFI_GUID  gEfiHash2ServiceBindingProtocolGuid;
extern EFI_GUID  gEfiHash2ProtocolGuid;
 
#endif